Merge pull request #2723 from 3nprob/clean-hubspot-tracking-urls

Remove hubsbpot tracking URL params

More information here:
https://knowledge.hubspot.com/settings/how-do-i-create-a-tracking-url
https://knowledge.hubspot.com/ads/ad-tracking-in-hubspot
https://knowledge.hubspot.com/ctas/calls-to-action-frequently-asked-questions
https://meta.stackexchange.com/questions/263392/what-are-these-very-long-parameters-in-so-careers-feedback-always-welcome-url

searx/plugins/tracker_url_remover.py

@@ -21,6 +21,7 @@ from urllib.parse import urlunparse, parse_qsl, urlencode
 
 regexes = {re.compile(r'utm_[^&]+'),
            re.compile(r'(wkey|wemail)[^&]*'),
+           re.compile(r'(_hsenc|_hsmi|hsCtaTracking|__hssc|__hstc|__hsfp)[^&]*'),
            re.compile(r'&$')}
 
 name = gettext('Tracker URL remover')