diff --git a/.gitignore b/.gitignore
index 381b24b..9d89a5a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -72,4 +72,6 @@ config-dev.ini
 .python-version
 stacosys.sublime-project
 stacosys.sublime-workspace
-out/
\ No newline at end of file
+out/
+junit.xml
+coverage.xml
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 74573e7..9e40e0f 100644
--- a/Makefile
+++ b/Makefile
@@ -25,9 +25,10 @@ check: all
 
 # test
 test:
-	PYTHONPATH=src/ uv run coverage run -m --source=stacosys pytest tests
-	uv run coverage report
-	uv run coverage-badge -f -o coverage.svg
+	PYTHONPATH=src/ uv run coverage run -m --source=stacosys pytest --junitxml=junit.xml tests
+	uv run genbadge tests -i junit.xml
+	uv run coverage xml
+	uv run genbadge coverage -i coverage.xml
 
 # build
 build:
diff --git a/README.md b/README.md
index 05ecfc4..b013672 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
  [![Python version](https://img.shields.io/badge/Python-3.13-blue.svg)](https://www.python.org/) [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black) [![Flask version](https://img.shields.io/badge/Flask-3.1-green.svg)](https://flask.palletsprojects.com) 
 
-[![Build Status - pytest](https://github.com/kianby/stacosys/workflows/pytest/badge.svg)](https://github.com/kianby/stacosys) ![Coverage Status](https://gitea.zaclys.com/yannic/stacosys/raw/branch/main/coverage.svg)
+![Build Status - pytest](https://gitea.zaclys.com/yannic/stacosys/raw/branch/main/tests-badge.svg) ![Coverage Status](https://gitea.zaclys.com/yannic/stacosys/raw/branch/main/coverage-badge.svg)
 
 ## Stacosys
 
diff --git a/coverage-badge.svg b/coverage-badge.svg
new file mode 100644
index 0000000..c3d15a1
--- /dev/null
+++ b/coverage-badge.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="114" height="20" role="img" aria-label="coverage: 86.82%"><title>coverage: 86.82%</title><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="114" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="61" height="20" fill="#555"/><rect x="61" width="53" height="20" fill="#97ca00"/><rect width="114" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><text aria-hidden="true" x="315" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="510">coverage</text><text x="315" y="140" transform="scale(.1)" fill="#fff" textLength="510">coverage</text><text aria-hidden="true" x="865" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="430">86.82%</text><text x="865" y="140" transform="scale(.1)" fill="#fff" textLength="430">86.82%</text></g></svg>
\ No newline at end of file
diff --git a/coverage.svg b/coverage.svg
deleted file mode 100644
index 6963b3e..0000000
--- a/coverage.svg
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg xmlns="http://www.w3.org/2000/svg" width="99" height="20">
-    <linearGradient id="b" x2="0" y2="100%">
-        <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
-        <stop offset="1" stop-opacity=".1"/>
-    </linearGradient>
-    <mask id="a">
-        <rect width="99" height="20" rx="3" fill="#fff"/>
-    </mask>
-    <g mask="url(#a)">
-        <path fill="#555" d="M0 0h63v20H0z"/>
-        <path fill="#a4a61d" d="M63 0h36v20H63z"/>
-        <path fill="url(#b)" d="M0 0h99v20H0z"/>
-    </g>
-    <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
-        <text x="31.5" y="15" fill="#010101" fill-opacity=".3">coverage</text>
-        <text x="31.5" y="14">coverage</text>
-        <text x="80" y="15" fill="#010101" fill-opacity=".3">87%</text>
-        <text x="80" y="14">87%</text>
-    </g>
-</svg>
diff --git a/pyproject.toml b/pyproject.toml
index 85a93b6..ff7649d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,8 +9,9 @@ authors = [
 requires-python = ">=3.13.1"
 dependencies = [
     "background>=0.2.1",
-    "coverage-badge>=1.1.2",
+    "defusedxml>=0.7.1",
     "flask>=3.1.0",
+    "genbadge>=1.1.2",
     "markdown>=3.7",
     "pydal>=20241204.1",
     "pyrss2gen>=1.1",
diff --git a/tests-badge.svg b/tests-badge.svg
new file mode 100644
index 0000000..29110b8
--- /dev/null
+++ b/tests-badge.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="60" height="20" role="img" aria-label="tests: 19"><title>tests: 19</title><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="60" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="37" height="20" fill="#555"/><rect x="37" width="23" height="20" fill="#4c1"/><rect width="60" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><text aria-hidden="true" x="195" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="270">tests</text><text x="195" y="140" transform="scale(.1)" fill="#fff" textLength="270">tests</text><text aria-hidden="true" x="475" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="130">19</text><text x="475" y="140" transform="scale(.1)" fill="#fff" textLength="130">19</text></g></svg>
\ No newline at end of file
diff --git a/uv.lock b/uv.lock
index aeef7a6..154cad1 100644
--- a/uv.lock
+++ b/uv.lock
@@ -131,19 +131,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/26/74/b0729f196f328ac55e42b1e22ec2f16d8bcafe4b8158a26ec9f1cdd1d93e/coverage-7.6.9-cp313-cp313t-win_amd64.whl", hash = "sha256:97ddc94d46088304772d21b060041c97fc16bdda13c6c7f9d8fcd8d5ae0d8611", size = 211815 },
 ]
 
-[[package]]
-name = "coverage-badge"
-version = "1.1.2"
-source = { registry = "https://pypi.org/simple" }
-dependencies = [
-    { name = "coverage" },
-    { name = "setuptools" },
-]
-sdist = { url = "https://files.pythonhosted.org/packages/be/8f/e92b0a010c76b0da82709838b3f3ae9aec638d0c44dbfb1186a5751f5d2e/coverage_badge-1.1.2.tar.gz", hash = "sha256:fe7ed58a3b72dad85a553b64a99e963dea3847dcd0b8ddd2b38a00333618642c", size = 6335 }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/90/3d/5642a1a06191b2e1e0f87a2e824e6d3eb7c32c589a68ed4d1dcbd3324d63/coverage_badge-1.1.2-py2.py3-none-any.whl", hash = "sha256:d8413ce51c91043a1692b943616b450868cbeeb0ea6a0c54a32f8318c9c96ff7", size = 6493 },
-]
-
 [[package]]
 name = "coveralls"
 version = "4.0.1"
@@ -158,6 +145,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/63/e5/6708c75e2a4cfca929302d4d9b53b862c6dc65bd75e6933ea3d20016d41d/coveralls-4.0.1-py3-none-any.whl", hash = "sha256:7a6b1fa9848332c7b2221afb20f3df90272ac0167060f41b5fe90429b30b1809", size = 13599 },
 ]
 
+[[package]]
+name = "defusedxml"
+version = "0.7.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/0f/d5/c66da9b79e5bdb124974bfe172b4daf3c984ebd9c2a06e2b8a4dc7331c72/defusedxml-0.7.1.tar.gz", hash = "sha256:1bb3032db185915b62d7c6209c5a8792be6a32ab2fedacc84e01b52c51aa3e69", size = 75520 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/07/6c/aa3f2f849e01cb6a001cd8554a88d4c77c5c1a31c95bdf1cf9301e6d9ef4/defusedxml-0.7.1-py2.py3-none-any.whl", hash = "sha256:a352e7e428770286cc899e2542b6cdaedb2b4953ff269a210103ec58f6198a61", size = 25604 },
+]
+
 [[package]]
 name = "dill"
 version = "0.3.9"
@@ -189,6 +185,21 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/af/47/93213ee66ef8fae3b93b3e29206f6b251e65c97bd91d8e1c5596ef15af0a/flask-3.1.0-py3-none-any.whl", hash = "sha256:d667207822eb83f1c4b50949b1623c8fc8d51f2341d65f72e1a1815397551136", size = 102979 },
 ]
 
+[[package]]
+name = "genbadge"
+version = "1.1.2"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "click" },
+    { name = "pillow" },
+    { name = "requests" },
+    { name = "setuptools" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/e8/2b/75c50383f951f36334635715819f89d1b4dae1de0ff7d510970bbf137994/genbadge-1.1.2.tar.gz", hash = "sha256:987ed2feaf6e9cc2850fc3883320d8706b3849eb6c9f436156254dcac438515c", size = 137188 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/43/5e/91f2340d7a51ce0b7a59e5caa1cccd61131d8d5163cc02f3563c819cb49c/genbadge-1.1.2-py2.py3-none-any.whl", hash = "sha256:4e3073cb56c2745fbef4b7da97eb85b28a18a22af519b66acb6706b6546279f1", size = 100945 },
+]
+
 [[package]]
 name = "idna"
 version = "3.10"
@@ -328,6 +339,33 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/cc/20/ff623b09d963f88bfde16306a54e12ee5ea43e9b597108672ff3a408aad6/pathspec-0.12.1-py3-none-any.whl", hash = "sha256:a0d503e138a4c123b27490a4f7beda6a01c6f288df0e4a8b79c7eb0dc7b4cc08", size = 31191 },
 ]
 
+[[package]]
+name = "pillow"
+version = "11.1.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/f3/af/c097e544e7bd278333db77933e535098c259609c4eb3b85381109602fb5b/pillow-11.1.0.tar.gz", hash = "sha256:368da70808b36d73b4b390a8ffac11069f8a5c85f29eff1f1b01bcf3ef5b2a20", size = 46742715 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/b3/31/9ca79cafdce364fd5c980cd3416c20ce1bebd235b470d262f9d24d810184/pillow-11.1.0-cp313-cp313-macosx_10_13_x86_64.whl", hash = "sha256:ae98e14432d458fc3de11a77ccb3ae65ddce70f730e7c76140653048c71bfcbc", size = 3226640 },
+    { url = "https://files.pythonhosted.org/packages/ac/0f/ff07ad45a1f172a497aa393b13a9d81a32e1477ef0e869d030e3c1532521/pillow-11.1.0-cp313-cp313-macosx_11_0_arm64.whl", hash = "sha256:cc1331b6d5a6e144aeb5e626f4375f5b7ae9934ba620c0ac6b3e43d5e683a0f0", size = 3101437 },
+    { url = "https://files.pythonhosted.org/packages/08/2f/9906fca87a68d29ec4530be1f893149e0cb64a86d1f9f70a7cfcdfe8ae44/pillow-11.1.0-cp313-cp313-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:758e9d4ef15d3560214cddbc97b8ef3ef86ce04d62ddac17ad39ba87e89bd3b1", size = 4326605 },
+    { url = "https://files.pythonhosted.org/packages/b0/0f/f3547ee15b145bc5c8b336401b2d4c9d9da67da9dcb572d7c0d4103d2c69/pillow-11.1.0-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:b523466b1a31d0dcef7c5be1f20b942919b62fd6e9a9be199d035509cbefc0ec", size = 4411173 },
+    { url = "https://files.pythonhosted.org/packages/b1/df/bf8176aa5db515c5de584c5e00df9bab0713548fd780c82a86cba2c2fedb/pillow-11.1.0-cp313-cp313-manylinux_2_28_aarch64.whl", hash = "sha256:9044b5e4f7083f209c4e35aa5dd54b1dd5b112b108648f5c902ad586d4f945c5", size = 4369145 },
+    { url = "https://files.pythonhosted.org/packages/de/7c/7433122d1cfadc740f577cb55526fdc39129a648ac65ce64db2eb7209277/pillow-11.1.0-cp313-cp313-manylinux_2_28_x86_64.whl", hash = "sha256:3764d53e09cdedd91bee65c2527815d315c6b90d7b8b79759cc48d7bf5d4f114", size = 4496340 },
+    { url = "https://files.pythonhosted.org/packages/25/46/dd94b93ca6bd555588835f2504bd90c00d5438fe131cf01cfa0c5131a19d/pillow-11.1.0-cp313-cp313-musllinux_1_2_aarch64.whl", hash = "sha256:31eba6bbdd27dde97b0174ddf0297d7a9c3a507a8a1480e1e60ef914fe23d352", size = 4296906 },
+    { url = "https://files.pythonhosted.org/packages/a8/28/2f9d32014dfc7753e586db9add35b8a41b7a3b46540e965cb6d6bc607bd2/pillow-11.1.0-cp313-cp313-musllinux_1_2_x86_64.whl", hash = "sha256:b5d658fbd9f0d6eea113aea286b21d3cd4d3fd978157cbf2447a6035916506d3", size = 4431759 },
+    { url = "https://files.pythonhosted.org/packages/33/48/19c2cbe7403870fbe8b7737d19eb013f46299cdfe4501573367f6396c775/pillow-11.1.0-cp313-cp313-win32.whl", hash = "sha256:f86d3a7a9af5d826744fabf4afd15b9dfef44fe69a98541f666f66fbb8d3fef9", size = 2291657 },
+    { url = "https://files.pythonhosted.org/packages/3b/ad/285c556747d34c399f332ba7c1a595ba245796ef3e22eae190f5364bb62b/pillow-11.1.0-cp313-cp313-win_amd64.whl", hash = "sha256:593c5fd6be85da83656b93ffcccc2312d2d149d251e98588b14fbc288fd8909c", size = 2626304 },
+    { url = "https://files.pythonhosted.org/packages/e5/7b/ef35a71163bf36db06e9c8729608f78dedf032fc8313d19bd4be5c2588f3/pillow-11.1.0-cp313-cp313-win_arm64.whl", hash = "sha256:11633d58b6ee5733bde153a8dafd25e505ea3d32e261accd388827ee987baf65", size = 2375117 },
+    { url = "https://files.pythonhosted.org/packages/79/30/77f54228401e84d6791354888549b45824ab0ffde659bafa67956303a09f/pillow-11.1.0-cp313-cp313t-macosx_10_13_x86_64.whl", hash = "sha256:70ca5ef3b3b1c4a0812b5c63c57c23b63e53bc38e758b37a951e5bc466449861", size = 3230060 },
+    { url = "https://files.pythonhosted.org/packages/ce/b1/56723b74b07dd64c1010fee011951ea9c35a43d8020acd03111f14298225/pillow-11.1.0-cp313-cp313t-macosx_11_0_arm64.whl", hash = "sha256:8000376f139d4d38d6851eb149b321a52bb8893a88dae8ee7d95840431977081", size = 3106192 },
+    { url = "https://files.pythonhosted.org/packages/e1/cd/7bf7180e08f80a4dcc6b4c3a0aa9e0b0ae57168562726a05dc8aa8fa66b0/pillow-11.1.0-cp313-cp313t-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:9ee85f0696a17dd28fbcfceb59f9510aa71934b483d1f5601d1030c3c8304f3c", size = 4446805 },
+    { url = "https://files.pythonhosted.org/packages/97/42/87c856ea30c8ed97e8efbe672b58c8304dee0573f8c7cab62ae9e31db6ae/pillow-11.1.0-cp313-cp313t-manylinux_2_28_x86_64.whl", hash = "sha256:dd0e081319328928531df7a0e63621caf67652c8464303fd102141b785ef9547", size = 4530623 },
+    { url = "https://files.pythonhosted.org/packages/ff/41/026879e90c84a88e33fb00cc6bd915ac2743c67e87a18f80270dfe3c2041/pillow-11.1.0-cp313-cp313t-musllinux_1_2_x86_64.whl", hash = "sha256:e63e4e5081de46517099dc30abe418122f54531a6ae2ebc8680bcd7096860eab", size = 4465191 },
+    { url = "https://files.pythonhosted.org/packages/e5/fb/a7960e838bc5df57a2ce23183bfd2290d97c33028b96bde332a9057834d3/pillow-11.1.0-cp313-cp313t-win32.whl", hash = "sha256:dda60aa465b861324e65a78c9f5cf0f4bc713e4309f83bc387be158b077963d9", size = 2295494 },
+    { url = "https://files.pythonhosted.org/packages/d7/6c/6ec83ee2f6f0fda8d4cf89045c6be4b0373ebfc363ba8538f8c999f63fcd/pillow-11.1.0-cp313-cp313t-win_amd64.whl", hash = "sha256:ad5db5781c774ab9a9b2c4302bbf0c1014960a0a7be63278d13ae6fdf88126fe", size = 2631595 },
+    { url = "https://files.pythonhosted.org/packages/cf/6c/41c21c6c8af92b9fea313aa47c75de49e2f9a467964ee33eb0135d47eb64/pillow-11.1.0-cp313-cp313t-win_arm64.whl", hash = "sha256:67cd427c68926108778a9005f2a04adbd5e67c442ed21d95389fe1d595458756", size = 2377651 },
+]
+
 [[package]]
 name = "platformdirs"
 version = "4.3.6"
@@ -437,8 +475,9 @@ version = "3.4"
 source = { editable = "." }
 dependencies = [
     { name = "background" },
-    { name = "coverage-badge" },
+    { name = "defusedxml" },
     { name = "flask" },
+    { name = "genbadge" },
     { name = "markdown" },
     { name = "pydal" },
     { name = "pyrss2gen" },
@@ -459,8 +498,9 @@ dev = [
 [package.metadata]
 requires-dist = [
     { name = "background", specifier = ">=0.2.1" },
-    { name = "coverage-badge", specifier = ">=1.1.2" },
+    { name = "defusedxml", specifier = ">=0.7.1" },
     { name = "flask", specifier = ">=3.1.0" },
+    { name = "genbadge", specifier = ">=1.1.2" },
     { name = "markdown", specifier = ">=3.7" },
     { name = "pydal", specifier = ">=20241204.1" },
     { name = "pyrss2gen", specifier = ">=1.1" },