diff --git a/searx/static/themes/oscar/css/logicodev-dark.css b/searx/static/themes/oscar/css/logicodev-dark.css
index b161b3904..a98858861 100644
--- a/searx/static/themes/oscar/css/logicodev-dark.css
+++ b/searx/static/themes/oscar/css/logicodev-dark.css
@@ -888,3 +888,18 @@ p {
 input.cursor-text {
   margin: 10px 0;
 }
+.engine-tooltip {
+  display: none;
+  position: absolute;
+  padding: 0.5rem 1rem;
+  margin: 0rem 0 0 2rem;
+  border: 1px solid #ddd;
+  background: white;
+  font-size: 14px;
+  font-weight: normal;
+  z-index: 1000000;
+}
+th:hover .engine-tooltip,
+.engine-tooltip:hover {
+  display: inline-block;
+}
diff --git a/searx/static/themes/oscar/css/logicodev-dark.min.css b/searx/static/themes/oscar/css/logicodev-dark.min.css
index 3718e603c..828ce86d9 100644
--- a/searx/static/themes/oscar/css/logicodev-dark.min.css
+++ b/searx/static/themes/oscar/css/logicodev-dark.min.css
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/searx/static/themes/oscar/css/logicodev-dark.min.css.map b/searx/static/themes/oscar/css/logicodev-dark.min.css.map
index a4b373ecf..adccd8b98 100644
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+++ b/searx/static/themes/oscar/css/logicodev-dark.min.css.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"sources":["../src/less/logicodev/footer.less","../src/less/logicodev/checkbox.less","../src/less/logicodev/onoff.less","../src/less/logicodev/results.less","../src/less/logicodev/infobox.less","../src/less/logicodev/search.less","../src/less/logicodev/advanced.less","../src/less/logicodev/cursor.less","../src/less/logicodev/code.less","../src/less/logicodev/pygments.less","../src/less/logicodev/preferences.less","../src/less/logicodev-dark/oscar.less"],"names":[],"mappings":"AACA,EACE,cAAA,YAEF,KACE,SAAA,SACA,WAAA,KACA,MAAA,QAGF,KAEE,YAAA,OAAA,UAAA,MAAA,WACA,cAAA,KACA,iBAAA,KAEA,OACI,MAAA,KAIN,QACE,SAAA,SACA,OAAA,EACA,MAAA,KAEA,OAAA,KACA,WAAA,OACA,MAAA,KC3B2B,oDAAoF,+EAC/G,QAAA,KAI2H,qFAA1F,8DACjC,QAAA,KCPF,gBACI,MAAA,IAEJ,aACI,SAAA,SACA,MAAA,MACA,oBAAA,KACA,iBAAA,KACA,gBAAA,KAEJ,sBACI,QAAA,EACA,SAAA,SAEiB,6BACjB,QAAA,GACA,QAAA,aACA,MAAA,KACA,OAAA,KACA,aAAA,KACA,SAAA,SACA,KAAA,EACA,OAAA,IACA,iBAAA,KACA,OAAA,IAAA,MAAA,KACA,cAAA,EAEJ,mBACI,QAAA,MACA,SAAA,OACA,OAAA,QACA,OAAA,IAAA,MAAA,eACA,cAAA,eAEJ,mBACI,QAAA,MACA,WAAA,OAAA,IAAA,QAAA,GAGyC,yBAA3B,0BACd,QAAA,MACA,MAAA,KACA,MAAA,IACA,OAAA,KACA,QAAA,EACA,YAAA,KACA,UAAA,KACA,WAAA,WACA,QAAA,GACA,iBAAA,KAGJ,oBACI,QAAA,MACA,MAAA,KACA,iBAAA,QACA,SAAA,SACA,IAAA,EACA,OAAA,EACA,MAAA,EACA,OAAA,IAAA,MAAA,KACA,cAAA,eACA,WAAA,IAAA,IAAA,QAAA,GAE+C,oEAC/C,aAAA,EAE+C,qEAC/C,MAAA,KACA,iBAAA,QAE6C,mEAC7C,OAAA,IAAA,MAAA,KCxEJ,eACI,WAAA,EACA,cAAA,IACA,UAAA,KAEA,wBACI,cAAA,KAGJ,iBACI,MAAA,QACA,gBAAA,KAEC,uBACG,MAAA,KAGH,yBACG,MAAA,QAGJ,4BACI,iBAAA,QAOZ,gBAAiB,eAAgB,eAC7B,WAAA,IACA,cAAA,EACA,UAAA,WACA,MAAA,KACA,UAAA,KAGI,mBACJ,YAAA,IAGJ,eACI,UAAA,KACA,MAAA,KAGJ,eACI,UAAA,KACA,MAAA,MAGJ,iBACI,WAAA,KACA,cAAA,KAGJ,eACI,MAAA,QACA,UAAA,KACA,cAAA,KAEA,iBACI,aAAA,IAKS,aAAjB,gBAAgE,YAAjC,gBAAiB,eAC5C,MAAA,KACA,QAAA,KAAA,IACC,mBAAA,sBAAA,kBAAA,sBAAA,qBACG,iBAAA,QAMR,eACI,MAAA,eACA,MAAA,IACA,OAAA,IACA,iBACI,QAAA,MACA,MAAA,KACA,gBAAA,MAIR,eACI,OAAA,IACA,WAAA,MACA,WAAA,MAIJ,eACI,MAAA,KAEA,kBACI,OAAA,IAAA,EAAA,KAAA,EAGJ,yBACI,MAAA,KAGJ,mBACI,cAAA,IAKR,gBACI,MAAA,KAEA,kBACI,aAAA,IACA,YAAA,IAGJ,yBACI,MAAA,QAGJ,0BACI,MAAA,QAIR,iBACI,MAAA,KACA,OAAA,IAEA,oBACI,cAAA,IACA,MAAA,QAGF,kCACE,MAAA,KAKR,YACI,MAAA,KAIJ,aACI,MAAA,KAEA,wBAAuB,0BACnB,MAAA,KAMR,iBACI,OAAA,IAAA,IACA,UAAA,KAEA,sBACI,UAAA,KACA,YAAA,OACA,UAAA,WACA,WAAA,KAKR,iBACI,aAAA,IAIJ,YACI,WAAA,KACA,eAAA,KAGJ,eACI,MAAA,KACA,WAAA,IAGgB,0BAChB,UAAA,WAGJ,eACI,WAAA,EAAA,IAAA,KAAA,eAGJ,eACI,gBAAA,YACA,iBAAA,KACA,OAAA,IAAA,MAAA,eACA,cAAA,IACA,WAAA,EAAA,IAAA,IAAA,eACA,QAAA,EAAA,KACA,SAAA,SAGgC,mCAChC,eACI,WAAA,OC7MJ,wBACI,iBAAA,QAEA,qCACI,YAAA,IAIR,qBACI,YAAA,OACA,SAAA,OACA,cAAA,SACA,QAAA,MAIJ,WACI,YAA+C,eAAlC,QAAA,QAAb,kBAA+C,MAA/C,gBACA,WAAA,OAGJ,aACI,WAAA,QAGJ,cACI,iBAAA,QACA,OAAA,KAEA,gBACI,MAAA,KACA,OAAA,IAIR,uBACI,cAAA,KACA,UAAA,WACA,aAAA,MAIS,kCACT,cAAA,EAGJ,yBACI,MAAA,KACA,WAAA,OACA,cAAA,EAIc,yCACd,WAAA,MACA,SAAA,OAEsB,iDACtB,WAAA,KAIgC,+DAChC,QAAA,MAEgC,6DAChC,QAAA,KAIwC,qEACxC,QAAA,MAEwC,uEACxC,QAAA,KAIiC,0DACjC,QAAA,KAEyC,kEACzC,QAAA,MCpFY,YAApB,mBACE,eAAA,WACA,cAAA,MACA,QAAA,KACA,UAAA,KACA,UAAA,IAAA,KACA,cAAA,QAEO,+BAAP,kBAAO,sCAAP,yBACE,UAAA,EACA,WAAA,KACA,UAAA,OACA,YAAA,IACA,iBAAA,KACA,OAAA,KAAA,IAAA,MACA,aAAA,KACA,MAAA,KACA,eAAA,MACA,YAAA,MACA,WAAA,OACA,UAAA,KAEkC,0CAA/B,6BAA+B,iDAA/B,oCACD,aAAA,KAAA,IAAA,MAG2B,+CAAA,sDAC7B,MAAA,QACA,YAAA,IACA,cAAA,QAAA,IAAA,MAIJ,WACI,WAAA,KACA,cAAA,KAGO,eACP,UAAA,MACA,MAAA,IAGJ,GACI,WAAA,KACA,aAAA,KACA,aAAA,KAG2B,mCAC3B,aAAA,KAG+B,yCAC9B,iBAAA,QACA,MAAA,KAGL,eAAgB,mBACZ,WAAA,KACA,mBAAA,KACA,gBAAA,KACA,UAAA,OACA,YAAA,IACA,iBAAA,KACA,OAAA,KAAA,IAAA,MACA,MAAA,KAEA,WAAA,okBAAA,IAAA,UAGJ,mBACI,sBAAA,GAGJ,eACI,cAAA,KAGJ,iBACI,SAAA,mBACA,OAAA,IACA,MAAA,IACA,SAAA,OACA,KAAM,sBACN,YAAA,OAEW,YAAf,cACI,WAAA,QAEY,aAAhB,eACI,WAAA,QAEE,oBACF,aAAA,eC9FJ,2BACI,QAAA,KACA,WAAA,KACA,cAAA,KACA,MAAA,KAEO,8CAAP,iCACI,UAAA,OACA,YAAA,IACA,iBAAA,KACA,OAAA,KAAA,IAAA,MACA,aAAA,KACA,MAAA,KACA,eAAA,MACA,cAAA,MACA,aAAA,MAGgC,yDAA/B,4CACD,aAAA,KAAA,IAAA,MAGC,6CACD,QAAA,KAGwB,2DACxB,MAAA,QACA,YAAA,IACA,cAAA,QAAA,IAAA,MAIc,4BAClB,gBAAA,UAGoB,mDACpB,QAAA,MAGJ,UACI,QAAA,EACA,WAAA,MACA,WAAA,MACA,gBAAO,iBACH,OAAA,QC7CR,aACI,OAAA,eAGJ,gBACI,OAAA,kBCNC,KAAL,IACI,YAA2C,cAAA,cAA3C,iBAAA,oBCIY,yBACZ,sBAAA,KACA,oBAAA,KACA,mBAAA,KACA,iBAAA,KACA,gBAAA,KACA,YAAA,KACA,OAAA,QASA,aAAA,IACA,WAAA,MARC,oCACG,WAAA,IAEH,yCACG,WAAA,IAOQ,oBAAM,YAAA,KACK,mCAAU,MAAA,QAAgB,iBAAA,YAA+B,aAAA,IAAmB,cAAA,IACnF,6BAAW,MAAA,QAAgB,iBAAA,YAA+B,aAAA,IAAmB,cAAA,IACtE,oCAAW,MAAA,KAAgB,iBAAA,QAA2B,aAAA,IAAmB,cAAA,IACxE,qCAAW,MAAA,KAAgB,iBAAA,QAA2B,aAAA,IAAmB,cAAA,IACrF,qBAAO,iBAAA,KACvB,gBAAkB,WAAA,QACF,mBAAK,MAAA,QAAgB,WAAA,OACrB,qBAAO,OAAA,IAAA,MAAA,IACP,mBAAK,MAAA,QAAgB,YAAA,IACrB,mBAAK,MAAA,QACL,oBAAM,MAAA,QAAgB,WAAA,OACtB,oBAAM,MAAA,QAAgB,WAAA,OACtB,oBAAM,MAAA,QAAgB,WAAA,OACtB,qBAAO,MAAA,QAAgB,WAAA,OACvB,oBAAM,MAAA,QAAgB,WAAA,OACtB,oBAAM,MAAA,QAAgB,WAAA,OACtB,oBAAM,MAAA,QACN,oBAAM,WAAA,OACN,oBAAM,MAAA,IACN,oBAAM,MAAA,KAAgB,YAAA,IACtB,oBAAM,MAAA,QACN,oBAAM,MAAA,KACN,oBAAM,MAAA,KAAgB,YAAA,IACtB,oBAAM,YAAA,IACN,oBAAM,MAAA,OAAgB,YAAA,IACtB,oBAAM,MAAA,KACN,oBA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\ No newline at end of file
diff --git a/searx/static/themes/oscar/css/logicodev.css b/searx/static/themes/oscar/css/logicodev.css
index eaf662b5b..51bbc98d8 100644
--- a/searx/static/themes/oscar/css/logicodev.css
+++ b/searx/static/themes/oscar/css/logicodev.css
@@ -861,6 +861,21 @@ p {
 input.cursor-text {
   margin: 10px 0;
 }
+.engine-tooltip {
+  display: none;
+  position: absolute;
+  padding: 0.5rem 1rem;
+  margin: 0rem 0 0 2rem;
+  border: 1px solid #ddd;
+  background: white;
+  font-size: 14px;
+  font-weight: normal;
+  z-index: 1000000;
+}
+th:hover .engine-tooltip,
+.engine-tooltip:hover {
+  display: inline-block;
+}
 /*Global*/
 body {
   background: #1d1f21 none !important;
@@ -1084,3 +1099,8 @@ p.btn.btn-default {
 .highlight {
   background-color: transparent !important;
 }
+/* engine tooltip */
+.engine-tooltip {
+  border: 1px solid #3d3f43;
+  background: #1d1f21;
+}
diff --git a/searx/static/themes/oscar/css/logicodev.min.css b/searx/static/themes/oscar/css/logicodev.min.css
index 1f35778dc..17fd892d5 100644
--- a/searx/static/themes/oscar/css/logicodev.min.css
+++ b/searx/static/themes/oscar/css/logicodev.min.css
@@ -1 +1 @@
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a{color:#08C}.footer{position:absolute;bottom:0;width:100%;height:60px;text-align:center;color:#999}input[type=checkbox]:checked+.label_hide_if_checked,input[type=checkbox]:checked+.label_hide_if_not_checked+.label_hide_if_checked{display:none}input[type=checkbox]:not(:checked)+.label_hide_if_checked+.label_hide_if_not_checked,input[type=checkbox]:not(:checked)+.label_hide_if_not_checked{display:none}.onoff-checkbox{width:15%}.onoffswitch{position:relative;width:110px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.onoffswitch-checkbox{opacity:0;position:absolute}.onoffswitch-checkbox:before{content:"";display:inline-block;width:16px;height:16px;margin-right:10px;position:absolute;left:0;bottom:1px;background-color:#fff;border:1px solid #ccc;border-radius:0}.onoffswitch-label{display:block;overflow:hidden;cursor:pointer;border:2px solid #FFF!important;border-radius:50px!important}.onoffswitch-inner{display:block;transition:margin .3s ease-in 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diff --git a/searx/static/themes/oscar/css/logicodev.min.css.map b/searx/static/themes/oscar/css/logicodev.min.css.map
index b9299d274..331d41917 100644
--- a/searx/static/themes/oscar/css/logicodev.min.css.map
+++ b/searx/static/themes/oscar/css/logicodev.min.css.map
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/searx/static/themes/oscar/css/pointhi.css b/searx/static/themes/oscar/css/pointhi.css
index 7c0f1d180..c648f2b60 100644
--- a/searx/static/themes/oscar/css/pointhi.css
+++ b/searx/static/themes/oscar/css/pointhi.css
@@ -676,3 +676,18 @@ input[type=checkbox]:not(:checked) + .label_hide_if_checked + .label_hide_if_not
 .table > tbody > tr > th {
   vertical-align: middle !important;
 }
+.engine-tooltip {
+  display: none;
+  position: absolute;
+  padding: 0.5rem 1rem;
+  margin: 0rem 0 0 2rem;
+  border: 1px solid #ddd;
+  background: white;
+  font-size: 14px;
+  font-weight: normal;
+  z-index: 1000000;
+}
+th:hover .engine-tooltip,
+.engine-tooltip:hover {
+  display: inline-block;
+}
diff --git a/searx/static/themes/oscar/css/pointhi.min.css b/searx/static/themes/oscar/css/pointhi.min.css
index 2352062c9..02bee6ad7 100644
--- a/searx/static/themes/oscar/css/pointhi.min.css
+++ b/searx/static/themes/oscar/css/pointhi.min.css
@@ -1 +1 @@
-html{position:relative;min-height:100%}body{margin-bottom:80px}.footer{position:absolute;bottom:0;width:100%;height:60px}input[type=checkbox]:checked+.label_hide_if_checked,input[type=checkbox]:checked+.label_hide_if_not_checked+.label_hide_if_checked{display:none}input[type=checkbox]:not(:checked)+.label_hide_if_checked+.label_hide_if_not_checked,input[type=checkbox]:not(:checked)+.label_hide_if_not_checked{display:none}.onoff-checkbox{width:15%}.onoffswitch{position:relative;width:110px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.onoffswitch-checkbox{display:none}.onoffswitch-label{display:block;overflow:hidden;cursor:pointer;border:2px solid #FFF!important;border-radius:50px!important}.onoffswitch-inner{display:block;transition:margin .3s ease-in 0s}.onoffswitch-inner:after,.onoffswitch-inner:before{display:block;float:left;width:50%;height:30px;padding:0;line-height:40px;font-size:20px;box-sizing:border-box;content:"";background-color:#EEE}.onoffswitch-switch{display:block;width:37px;background-color:#0C0;position:absolute;top:0;bottom:0;right:0;border:2px solid #FFF!important;border-radius:50px!important;transition:all .3s ease-in 0s}.onoffswitch-checkbox:checked+.onoffswitch-label .onoffswitch-inner{margin-right:0}.onoffswitch-checkbox:checked+.onoffswitch-label .onoffswitch-switch{right:71px;background-color:#A1A1A1}.result_header{margin-bottom:5px;margin-top:20px}.result_header .favicon{margin-bottom:-3px}.result_header a{vertical-align:bottom}.result_header a .highlight{font-weight:700}.result-content{margin-top:5px;word-wrap:break-word}.result-content .highlight{font-weight:700}.result-default{clear:both}.result-images{float:left!important;height:138px}.img-thumbnail{margin:5px;max-height:128px}.result-videos{clear:both}.result-torrents{clear:both}.result-map{clear:both}.result-code{clear:both}.suggestion_item{margin:2px 5px;max-width:100%}.suggestion_item .btn{max-width:100%;white-space:normal;word-wrap:break-word;text-align:left}.result_download{margin-right:5px}#pagination{margin-top:30px;padding-bottom:50px}.label-default{color:#AAA;background:#FFF}.result .text-muted small{word-wrap:break-word}.modal-wrapper{box-shadow:0 5px 15px rgba(0,0,0,.5)}.modal-wrapper{background-clip:padding-box;background-color:#fff;border:1px solid rgba(0,0,0,.2);border-radius:6px;box-shadow:0 3px 9px rgba(0,0,0,.5);outline:0 none;position:relative}.highlight{font-weight:700}.infobox img{max-height:250px}.infobox .infobox_part{margin-bottom:20px;word-wrap:break-word;table-layout:fixed}.infobox .infobox_part:last-child{margin-bottom:0}.infobox .header_url{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.infobox .infobox_toggle{width:100%;text-align:center;margin-bottom:0}.infobox .infobox_checkbox~.infobox_body{max-height:300px;overflow:hidden}.infobox .infobox_checkbox:checked~.infobox_body{max-height:none}.infobox .infobox_checkbox~.infobox_toggle .infobox_label_down{display:block}.infobox .infobox_checkbox~.infobox_toggle .infobox_label_up{display:none}.infobox .infobox_checkbox:checked~.infobox_toggle .infobox_label_up{display:block}.infobox .infobox_checkbox:checked~.infobox_toggle .infobox_label_down{display:none}.infobox .infobox_checkbox~.infobox_body img.infobox_part{display:none}.infobox .infobox_checkbox:checked~.infobox_body img.infobox_part{display:block}#categories,.search_categories{text-transform:capitalize;margin-bottom:1.5rem;margin-top:1.5rem;display:flex;flex-wrap:wrap;align-content:stretch}#categories .input-group-addon,#categories label,.search_categories .input-group-addon,.search_categories label{flex-grow:1;flex-basis:auto;font-size:1.3rem;font-weight:400;background-color:#fff;border:#DDD 1px solid;border-right:none;color:#333;padding-bottom:.8rem;padding-top:.8rem;text-align:center;min-width:50px}#categories .input-group-addon:last-child,#categories label:last-child,.search_categories .input-group-addon:last-child,.search_categories label:last-child{border-right:#DDD 1px solid}#categories input[type=checkbox]:checked+label,.search_categories input[type=checkbox]:checked+label{color:#000;font-weight:700;background-color:#EEE}.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px 1px 1px 1px);clip:rect(1px,1px,1px,1px);white-space:nowrap}#advanced-search-container{display:none;text-align:center;margin-bottom:1rem;clear:both}#advanced-search-container .input-group-addon,#advanced-search-container label{font-size:1.3rem;font-weight:400;background-color:#fff;border:#DDD 1px solid;border-right:none;color:#333;padding-bottom:.8rem;padding-left:1.2rem;padding-right:1.2rem}#advanced-search-container .input-group-addon:last-child,#advanced-search-container label:last-child{border-right:#DDD 1px solid}#advanced-search-container input[type=radio]{display:none}#advanced-search-container input[type=radio]:checked+label{color:#000;font-weight:700;background-color:#EEE}#check-advanced{display:none}#check-advanced:checked~#advanced-search-container{display:block}.advanced{padding:0;margin-top:.3rem;text-align:right}.advanced label,.advanced select{cursor:pointer}.cursor-text{cursor:text!important}.cursor-pointer{cursor:pointer!important}.code-highlight .linenos{-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:default;margin-right:8px;text-align:right}.code-highlight .linenos::selection{background:0 0}.code-highlight .linenos::-moz-selection{background:0 0}.code-highlight 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index 3d7ea6cc1..1d18b1fd7 100644
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diff --git a/searx/static/themes/oscar/js/searx.min.js b/searx/static/themes/oscar/js/searx.min.js
index 58dbd73ce..b3317e0c5 100644
--- a/searx/static/themes/oscar/js/searx.min.js
+++ b/searx/static/themes/oscar/js/searx.min.js
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L.TileLayer("https://maps.wikimedia.org/osm-intl/{z}/{x}/{y}.png",{minZoom:1,maxZoom:19,attribution:'Wikimedia maps beta | Maps data © <a href="https://openstreetmap.org">OpenStreetMap</a> contributors'});setTimeout(function(){map_bounds?r.fitBounds(map_bounds,{maxZoom:17}):e&&s&&(n?r.setView(new L.LatLng(s,e),n):r.setView(new L.LatLng(s,e),8))},0),r.addLayer(a),L.control.layers({"OSM Mapnik":a}).addTo(r),o&&L.geoJson(o).addTo(r),$(this).off(t)})}),$(document).ready(function(){$("#allow-all-engines").click(function(){$(".onoffswitch-checkbox").each(function(){this.checked=!1})}),$("#disable-all-engines").click(function(){$(".onoffswitch-checkbox").each(function(){this.checked=!0})})});
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diff --git a/searx/static/themes/oscar/src/less/logicodev-dark/oscar.less b/searx/static/themes/oscar/src/less/logicodev-dark/oscar.less
index b7feccdff..2b26c5043 100644
--- a/searx/static/themes/oscar/src/less/logicodev-dark/oscar.less
+++ b/searx/static/themes/oscar/src/less/logicodev-dark/oscar.less
@@ -239,3 +239,9 @@ p.btn.btn-default{
 .highlight {
   background-color: transparent !important;
 }
+
+/* engine tooltip */
+.engine-tooltip {
+  border: 1px solid #3d3f43;
+  background: #1d1f21 ;
+}
diff --git a/searx/static/themes/oscar/src/less/logicodev/preferences.less b/searx/static/themes/oscar/src/less/logicodev/preferences.less
index 82ce16310..ccd0b0249 100644
--- a/searx/static/themes/oscar/src/less/logicodev/preferences.less
+++ b/searx/static/themes/oscar/src/less/logicodev/preferences.less
@@ -13,3 +13,19 @@ p {
 input.cursor-text {
     margin: 10px 0;
 }
+
+.engine-tooltip {
+    display: none;
+    position: absolute;
+    padding: 0.5rem 1rem;
+    margin: 0rem 0 0 2rem;
+    border: 1px solid #ddd;
+    background: white;
+    font-size: 14px;
+    font-weight: normal;
+    z-index: 1000000; 
+}
+
+th:hover .engine-tooltip, .engine-tooltip:hover {
+    display: inline-block;
+}
\ No newline at end of file
diff --git a/searx/static/themes/oscar/src/less/pointhi/preferences.less b/searx/static/themes/oscar/src/less/pointhi/preferences.less
index 9672d5011..f3a6bee22 100644
--- a/searx/static/themes/oscar/src/less/pointhi/preferences.less
+++ b/searx/static/themes/oscar/src/less/pointhi/preferences.less
@@ -1,3 +1,19 @@
 .table > tbody > tr > td, .table > tbody > tr > th {
     vertical-align: middle !important;
 }
+
+.engine-tooltip {
+    display: none;
+    position: absolute;
+    padding: 0.5rem 1rem;
+    margin: 0rem 0 0 2rem;
+    border: 1px solid #ddd;
+    background: white;
+    font-size: 14px;
+    font-weight: normal;
+    z-index: 1000000; 
+}
+
+th:hover .engine-tooltip, .engine-tooltip:hover {
+    display: inline-block;
+}
diff --git a/searx/static/themes/simple/css/searx-rtl.css b/searx/static/themes/simple/css/searx-rtl.css
index 526f63668..385fc7d5e 100644
--- a/searx/static/themes/simple/css/searx-rtl.css
+++ b/searx/static/themes/simple/css/searx-rtl.css
@@ -1425,6 +1425,21 @@ select:focus {
 #main_preferences div.selectable_url pre {
   width: 100%;
 }
+#main_preferences .engine-tooltip {
+  display: none;
+  position: absolute;
+  padding: 0.5rem 1rem;
+  margin: 0rem 0 0 2rem;
+  border: 1px solid #ddd;
+  background: white;
+  font-size: 14px;
+  font-weight: normal;
+  z-index: 1000000;
+}
+#main_preferences th:hover .engine-tooltip,
+#main_preferences .engine-tooltip:hover {
+  display: inline-block;
+}
 @media screen and (max-width: 75em) {
   .preferences_back {
     clear: both;
diff --git a/searx/static/themes/simple/css/searx-rtl.min.css b/searx/static/themes/simple/css/searx-rtl.min.css
index 73383a710..1cb4a4aa2 100644
--- a/searx/static/themes/simple/css/searx-rtl.min.css
+++ b/searx/static/themes/simple/css/searx-rtl.min.css
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/searx/static/themes/simple/css/searx.css b/searx/static/themes/simple/css/searx.css
index 938731ff7..206c5f903 100644
--- a/searx/static/themes/simple/css/searx.css
+++ b/searx/static/themes/simple/css/searx.css
@@ -1425,6 +1425,21 @@ select:focus {
 #main_preferences div.selectable_url pre {
   width: 100%;
 }
+#main_preferences .engine-tooltip {
+  display: none;
+  position: absolute;
+  padding: 0.5rem 1rem;
+  margin: 0rem 0 0 2rem;
+  border: 1px solid #ddd;
+  background: white;
+  font-size: 14px;
+  font-weight: normal;
+  z-index: 1000000;
+}
+#main_preferences th:hover .engine-tooltip,
+#main_preferences .engine-tooltip:hover {
+  display: inline-block;
+}
 @media screen and (max-width: 75em) {
   .preferences_back {
     clear: both;
diff --git a/searx/static/themes/simple/css/searx.min.css b/searx/static/themes/simple/css/searx.min.css
index 2e8a04828..b2eb4f528 100644
--- a/searx/static/themes/simple/css/searx.min.css
+++ b/searx/static/themes/simple/css/searx.min.css
@@ -1 +1 @@
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#search{margin:0 auto;background:inherit;border:inherit}.index .search_filters{display:block;margin:1em 0}.index .category label{padding:6px 10px;border-bottom:initial!important}@media screen and (max-width:75em){div.title h1{font-size:1em}.preferences_back{clear:both}}#main_preferences form{width:100%}#main_preferences fieldset{margin:8px;border:none}#main_preferences legend{margin:0;padding:5px 0 0;display:block;float:left;width:300px}#main_preferences .value{margin:0;padding:0;float:left;width:15em}#main_preferences .description{margin:0;padding:5px 0 0;float:left;width:50%;color:#909090;font-size:90%}#main_preferences select{width:200px;font-size:inherit!important}#main_preferences table{border-collapse:collapse}#main_preferences table.cookies{width:auto}#main_preferences div.selectable_url pre,footer,main{width:100%}#main_preferences table.cookies td,#main_preferences table.cookies th{text-align:left;padding:.25em}#main_preferences table.cookies td:first-child,#main_preferences table.cookies th:first-child{padding-right:4em}#main_preferences table.cookies>tbody>tr:nth-child(even)>td,#main_preferences table.cookies>tbody>tr:nth-child(even)>th{background-color:#ececec}#main_preferences .name,#main_preferences .shortcut{text-align:left}#main_preferences .preferences_back{background:#3498DB;color:#fff;border:0;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;cursor:pointer;display:inline-block;margin:2px 4px;padding:.5em}#main_preferences .preferences_back a{display:block;color:#FFF}#main_preferences .preferences_back a::first-letter{text-transform:uppercase}#main_preferences .engine-tooltip{display:none;position:absolute;padding:.5rem 1rem;margin:0 0 0 2rem;border:1px solid #ddd;background:#fff;font-size:14px;font-weight:400;z-index:1000000}#categories_container,.category{position:relative}#main_preferences .engine-tooltip:hover,#main_preferences th:hover .engine-tooltip{display:inline-block}#search{padding:0 2em;margin:0;background:#f7f7f7;border-bottom:1px solid #d7d7d7}#search_wrapper{padding:10px 0}.search_box{margin:0 12px 0 0;display:inline-flex;flex-direction:row}#clear_search,#q,#send_search{border-collapse:separate;box-sizing:border-box;margin:0;padding:2px;height:2.2em;background:#FFF;color:#222;font-size:16px;outline:0}#clear_search{display:block;width:1.8em;border-top:1px solid #3498DB;border-bottom:1px solid #3498DB;border-right:none;border-left:none;border-radius:0;z-index:10000}#clear_search:hover{color:#3498DB}#clear_search.empty *{display:none}#q::-ms-clear,#q::-webkit-search-cancel-button{display:none}#q,#send_search{display:block!important;border:1px solid #3498DB;border-radius:0;z-index:2}#q{outline:0;padding-left:8px;padding-right:0!important;border-right:none;width:40em}#send_search{border-left:none;width:2.2em}#send_search:hover{cursor:pointer;background-color:#3498DB;color:#ECF0F1}.no-js #send_search{width:auto!important}.search_filters{display:inline-block;vertical-align:middle}@media screen and (max-width:75em){#categories{font-size:90%;clear:both}#categories .checkbox_container{margin:auto}html.touch #main_index #categories_container,html.touch #main_results #categories_container{width:1000px;width:-moz-max-content;width:-webkit-max-content;width:max-content}html.touch #main_index #categories_container .category,html.touch #main_results #categories_container .category{display:inline-block;width:auto}html.touch #main_index #categories,html.touch #main_results #categories{width:100%;margin:0;text-align:left;overflow-x:scroll;overflow-y:hidden;-webkit-overflow-scrolling:touch}}@media screen and (max-width:50em){#search{width:100%;margin:0;padding:.1em 0 0}#search_wrapper{width:100%;margin:0 0 .7em;padding:0}.search_box{width:99%;margin:.1em;padding:0 .1em 0 0;display:flex;flex-direction:row}#q{width:auto!important;flex:1}.search_filters{display:block;margin:.5em}.language,.time_range{width:45%}.category{display:block;width:90%}.category label{border-bottom:0}}#categories{margin:0 10px 0 0;user-select:none}#categories::-webkit-scrollbar{width:0;height:0}.category{display:inline-block;margin:0 3px;padding:0}.category input{display:none}.category label{cursor:pointer;padding:4px 10px;margin:0;display:block;text-transform:capitalize;font-size:.9em;border-bottom:2px solid transparent;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}body,html,main{padding:0;margin:0}.category input[type=checkbox]:focus+label{box-shadow:0 0 8px #3498DB}.category input[type=checkbox]:checked+label{background:#3498DB;color:#FFF;border-bottom:2px solid #084999}#categories_container .help{position:absolute;width:100%;bottom:-20px;overflow:hidden;opacity:0;transition:opacity 1s ease;font-size:.8em;text-position:center;background:#fff}footer p,html{font-size:.9em}#categories_container:hover .help{opacity:.8;transition:opacity 1s ease}html{font-family:arial,sans-serif;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;color:#444}#main_about,#main_preferences,#main_stats{margin:3em;width:auto}footer{bottom:0;height:3em;margin:1em 0;padding:1em 0;text-align:center}#main_preferences h1,#main_stats h1{background:url(../img/searx.png) no-repeat;background-size:auto 75%;min-height:40px;margin:0 auto}#results button[type=submit],input[type=submit]{padding:.5rem;margin:2px 4px;display:inline-block;background:#3498DB;color:#FFF;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;border:0;cursor:pointer}a{text-decoration:none;color:#29314d}a:visited,a:visited .highlight{color:#684898}article[data-vim-selected]{background:#f7f7f7}article[data-vim-selected]::before{position:absolute;left:1em;padding:2px;content:">";font-weight:700;color:#3498DB}article.result-images[data-vim-selected]{background:#3498DB}article.result-images[data-vim-selected]::before{display:none;content:""}.result{margin:19px 0 18px;padding:0}.result h3{font-size:1.1em;word-wrap:break-word;margin:5px 0 0;padding:0}.result h3 a{color:#084999;font-weight:400;font-size:1.1em}.result h3 a:visited{color:#684898}.result h3 a:focus,.result h3 a:hover{text-decoration:underline;border:none;-webkit-box-shadow:none;box-shadow:none;outline:0}.result .cache_link,.result .proxyfied_link{font-size:.9em!important}.result .altlink,.result .content,.result .stat,.result .url{font-size:.9em;padding:0;max-width:54em;word-wrap:break-word}.result .altlink,.result .content,.result .stat{margin:0;line-height:1.24}.result .altlink .highlight,.result .content .highlight,.result .stat .highlight{color:#000;background:inherit;font-weight:700}.result .codelines .highlight{color:inherit;background:inherit;font-weight:400}.result .url{margin:0 0 3px;color:#25a55b}.result .published_date{font-size:.8em;color:#888}.result img.thumbnail{float:left;padding:0 5px 10px 0;width:20em;min-width:20em;min-height:8em}.result img.image{float:left;padding:0 5px 10px 0;width:100px;max-height:100px;object-fit:scale-down;object-position:right top}.category-social .image{width:auto!important;min-width:48px;min-height:48px;padding:0 5px 25px 0!important}.result-videos .content{overflow:hidden}.engines{float:right;color:#888}.engines span{font-size:smaller;margin:0 .5em 0 0}.result-images,.result-images img{margin:0;padding:0;max-height:200px}.small_font{font-size:.8em}.highlight{color:#094089;background:inherit;font-weight:700}.result-images{display:inline-block;position:relative}.result-images img{float:inherit;border:none;background:#084999}.result-images span a{display:none;color:#FFF}.result-images:hover span a{display:block;position:absolute;bottom:0;right:0;padding:4px;margin:0 0 4px 4px;background-color:rgba(0,0,0,.6);font-size:.7em}.torrent_result{border-left:10px solid #d3d3d3;padding-left:3px}#answers,#backToTop,#sidebar .infobox{border:1px solid #ddd;box-shadow:0 0 5px #CCC}.torrent_result p{margin:3px;font-size:.8em}.torrent_result a{color:#084999}.torrent_result a:hover{text-decoration:underline}.torrent_result a:visited{color:#684898}#results{margin:2em 2em 20px;padding:0;width:50em}#suggestions .wrapper{display:flex;flex-flow:row wrap;justify-content:flex-end}#suggestions .wrapper form{display:inline-block;flex:1 1 50%}#answers,#corrections,#suggestions{max-width:50em}#answers input,#corrections input,#infoboxes input,#suggestions input{padding:0;margin:3px;font-size:.9em;display:inline-block;background:0 0;color:#444;cursor:pointer}#answers .infobox .url a,#answers input[type=submit],#corrections .infobox .url a,#corrections input[type=submit],#infoboxes .infobox .url a,#infoboxes input[type=submit],#suggestions .infobox .url a,#suggestions input[type=submit]{color:#084999;text-decoration:none;font-size:.9rem}#answers .infobox .url a:hover,#answers input[type=submit]:hover,#corrections .infobox .url a:hover,#corrections input[type=submit]:hover,#infoboxes .infobox .url a:hover,#infoboxes input[type=submit]:hover,#suggestions .infobox .url a:hover,#suggestions input[type=submit]:hover{text-decoration:underline}#corrections{display:flex;flex-flow:row wrap;margin:1em 0}#corrections h4,#corrections input[type=submit]{display:inline-block;margin:0 .5em 0 0}#corrections input[type=submit]::after{content:", "}#apis .title,#search_url .title,#suggestions .title{margin:2em 0 .5em;color:#444}#answers{margin:10px 8px;padding:.9em}#answers h4{display:none}#answers .answer{display:block;font-size:1.2em;font-weight:700}#answers form,#infoboxes form{min-width:210px}#sidebar{position:absolute;top:100px;left:57em;margin:0 2px 5px 5px;padding:0 2px 2px;max-width:25em;word-wrap:break-word}#sidebar .infobox{margin:10px 0;padding:.9em;font-size:.9em}#sidebar .infobox h2{margin:0 0 .5em}#sidebar .infobox img{max-width:100%;max-height:12em;display:block;margin:0;padding:0}#sidebar .infobox dl{margin:.5em 0}#sidebar .infobox dt{display:inline;margin:.5em .25em .5em 0;padding:0;font-weight:700}#sidebar .infobox dd{display:inline;margin:.5em 0;padding:0}#apis,#search_url{margin-top:8px}#sidebar .infobox input{font-size:1em}#search_url div.selectable_url pre{width:200em}#linkto_preferences{position:absolute;right:10px;top:.9em;padding:0;border:0;display:block;font-size:1.2em;color:#222}#linkto_preferences a:active *,#linkto_preferences a:hover *,#linkto_preferences a:link *,#linkto_preferences a:visited *{color:#222}#backToTop{margin:0 0 0 2em;padding:0;font-size:1em;background:#fff;position:fixed;bottom:85px;left:50em;transition:opacity .5s;opacity:0}#backToTop a{display:block;margin:0;padding:.6em}@media screen and (max-width:75em){#main_about,#main_preferences,#main_stats{margin:.5em;width:auto}#answers,#suggestions{margin-top:1em}#infoboxes{position:inherit;max-width:inherit}#infoboxes .infobox{clear:both}#infoboxes .infobox img{float:left;max-width:10em;margin:.5em .5em .5em 0}#sidebar{position:static;max-width:50em;margin:0 0 2px;padding:0;float:none;border:none;width:auto}.image_result,.image_result img,.result .thumbnail{max-width:98%}#sidebar input{border:0}#apis,#search_url{display:none}.result{border-bottom:1px solid #E8E7E6;margin:0;padding-top:8px;padding-bottom:6px}.result h3{margin:0 0 1px}.result .url span.url{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;width:100%}.result .url a{float:right;padding:0 .5em}.result .engines{float:right;padding:0 0 3px}.result-images{border-bottom:none!important}}#main_results div#results.only_template_images{flex-direction:column;width:auto;display:flex}#main_results div#results.only_template_images #sidebar{position:relative;top:auto;order:2}#main_results div#results.only_template_images #urls{position:relative;order:1}#main_results div#results.only_template_images #backToTop{right:.5em;left:auto}#main_results div#results.only_template_images #pagination{position:relative;order:3}@media screen and (max-width:50em){article[data-vim-selected]::before{display:none;content:""}#linkto_preferences{display:none;postion:fixed!important;top:100px;right:0}#sidebar{margin:0 5px 2px}#corrections{margin:1em 5px}#results{margin:0;padding:0;width:initial}#backToTop{left:40em;bottom:35px}.result{padding:8px 10px 6px}.result-images{margin:0;padding:0;border:none}}@media screen and (max-width:35em){.result-videos img.thumbnail{float:none!important}.result-videos .content{overflow:inherit}}pre code{white-space:pre-wrap}
\ No newline at end of file
diff --git a/searx/static/themes/simple/less/preferences.less b/searx/static/themes/simple/less/preferences.less
index e1e88b51f..26c4f6ddd 100644
--- a/searx/static/themes/simple/less/preferences.less
+++ b/searx/static/themes/simple/less/preferences.less
@@ -93,6 +93,23 @@
       width: 100%;
     }
   }
+
+
+  .engine-tooltip {
+    display: none;
+    position: absolute;
+    padding: 0.5rem 1rem;
+    margin: 0rem 0 0 2rem;
+    border: 1px solid #ddd;
+    background: white;
+    font-size: 14px;
+    font-weight: normal;
+    z-index: 1000000; 
+  }
+
+  th:hover .engine-tooltip, .engine-tooltip:hover {
+    display: inline-block;
+  }
   
 }
 
diff --git a/searx/templates/oscar/preferences.html b/searx/templates/oscar/preferences.html
index 6253b9858..6d593840a 100644
--- a/searx/templates/oscar/preferences.html
+++ b/searx/templates/oscar/preferences.html
@@ -1,5 +1,15 @@
 {% from 'oscar/macros.html' import preferences_item_header, preferences_item_header_rtl, preferences_item_footer, preferences_item_footer_rtl, checkbox_toggle, support_toggle, custom_select_class %}
 {% extends "oscar/base.html" %}
+{% macro engine_about(search_engine, id) -%}
+{% if search_engine.about is defined %}
+{% set about = search_engine.about %}
+<div class="engine-tooltip" role="tooltip" id="{{ id }}">{{- "" -}}
+    <h5><a href="{{about.website}}" rel="noreferrer">{{about.website}}</a></h5>
+    {%- if about.wikidata_id -%}<p><a href="https://www.wikidata.org/wiki/{{about.wikidata_id}}" rel="noreferrer">wikidata.org/wiki/{{about.wikidata_id}}</a></p>{%- endif -%}
+    {%- if search_engine.enable_http %}<p>{{ icon('exclamation-sign', 'No HTTPS') }}{{ _('No HTTPS')}}</p>{% endif -%}
+</div>
+{%- endif -%}
+{%- endmacro %}
 {% block title %}{{ _('preferences') }} - {% endblock %}
 {% block content %}
 
@@ -227,11 +237,15 @@
                             {% if not search_engine.private %}
                                 <tr>
                                     {% if not rtl %}
-                                    <td class="onoff-checkbox">
-                                        {{ checkbox_toggle('engine_' + search_engine.name|replace(' ', '_') + '__' + categ|replace(' ', '_'), (search_engine.name, categ) in disabled_engines) }}
-                                    </td>
-                                    <th scope="row">{% if search_engine.enable_http %}{{ icon('exclamation-sign', 'No HTTPS') }}{% endif %} {{ search_engine.name }}</td></th>
-                                    <td class="name">{{ shortcuts[search_engine.name] }}
+                                        <td class="onoff-checkbox">
+                                        {{- checkbox_toggle('engine_' + search_engine.name|replace(' ', '_') + '__' + categ|replace(' ', '_'), (search_engine.name, categ) in disabled_engines) -}}
+                                        </td>
+                                        <th scope="row"><span aria-labelledby="{{ 'tooltip_' + categ + '_' + search_engine.name }}">
+                                            {%- if search_engine.enable_http %}{{ icon('exclamation-sign', 'No HTTPS') }}{% endif -%}
+                                            {{- search_engine.name -}}</span>
+                                            {{- engine_about(search_engine, 'tooltip_' + categ + '_' + search_engine.name) -}}
+                                        </th>
+                                        <td class="name">{{ shortcuts[search_engine.name] }}</td>
                                         <td>{{ support_toggle(stats[search_engine.name].supports_selected_language) }}</td>
                                         <td>{{ support_toggle(search_engine.safesearch==True) }}</td>
                                         <td>{{ support_toggle(search_engine.time_range_support==True) }}</td>
@@ -244,10 +258,10 @@
                                         <td>{{ support_toggle(search_engine.safesearch==True) }}</td>
                                         <td>{{ support_toggle(stats[search_engine.name].supports_selected_language) }}</td>
                                         <td>{{ shortcuts[search_engine.name] }}</td>
-                                    <th scope="row">{{ search_engine.name }}</th>
-                                    <td class="onoff-checkbox">
+                                        <th scope="row"><span>{% if search_engine.enable_http %}{{ icon('exclamation-sign', 'No HTTPS') }}{% endif %}{{ search_engine.name }}</span>{{ engine_about(search_engine) }}</th>
+                                        <td class="onoff-checkbox">
                                         {{ checkbox_toggle('engine_' + search_engine.name|replace(' ', '_') + '__' + categ|replace(' ', '_'), (search_engine.name, categ) in disabled_engines) }}
-                                    </td>
+                                        </td>
                                     {% endif %}
                                 </tr>
                             {% endif %}
diff --git a/searx/templates/simple/preferences.html b/searx/templates/simple/preferences.html
index dff7ffba6..2d2529417 100644
--- a/searx/templates/simple/preferences.html
+++ b/searx/templates/simple/preferences.html
@@ -18,6 +18,17 @@
 {%- endfor -%}
 {%- endmacro -%}
 
+{% macro engine_about(search_engine) -%}
+{% if search_engine.about is defined %}
+{% set about = search_engine.about %}
+<div class="engine-tooltip" role="tooltip">{{- "" -}}
+    <p><a href="{{about.website}}" rel="noreferrer">{{about.website}}</a></p>
+    {%- if about.wikidata_id -%}<p><a href="https://www.wikidata.org/wiki/{{about.wikidata_id}}" rel="noreferrer">wikidata.org/wiki/{{about.wikidata_id}}</a></p>{%- endif -%}
+    {%- if search_engine.enable_http %}<p>{{ icon('exclamation-sign', 'No HTTPS') }}{{ _('No HTTPS')}}</p>{% endif -%}
+</div>
+{%- endif -%}
+{%- endmacro %}
+
 {% block head %} {% endblock %}
 {% block content %}
 
@@ -121,7 +132,7 @@
       {% set engine_id = 'engine_' + search_engine.name|replace(' ', '_') + '__' + categ|replace(' ', '_') %}
       <tr>
         <td class="engine_checkbox">{{ checkbox_onoff(engine_id, (search_engine.name, categ) in disabled_engines) }}</td>
-        <th class="name">{% if search_engine.enable_http %}{{ icon('warning', 'No HTTPS') }}{% endif %} {{ search_engine.name }}</th>
+        <th class="name">{% if search_engine.enable_http %}{{ icon('warning', 'No HTTPS') }}{% endif %} {{ search_engine.name }} {{ engine_about(search_engine) }}</th>
         <td class="shortcut">{{ shortcuts[search_engine.name] }}</td>
         <td>{{ checkbox(engine_id + '_supported_languages', current_language == 'all' or current_language in search_engine.supported_languages or current_language.split('-')[0] in search_engine.supported_languages, true, true) }}</td>
         <td>{{ checkbox(engine_id + '_safesearch', search_engine.safesearch==True, true, true) }}</td>
diff --git a/searx/webapp.py b/searx/webapp.py
index 6f0297a99..b4466c718 100755
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -853,7 +853,6 @@ def preferences():
             if e.timeout > settings['outgoing']['request_timeout']:
                 stats[e.name]['warn_timeout'] = True
             stats[e.name]['supports_selected_language'] = _is_selected_language_supported(e, request.preferences)
-
             engines_by_category[c].append(e)
 
     # get first element [0], the engine time,