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document updated 28 days ago, on May 17, 2026

Ways to get a more "canonical" version of a URL

Theory

Click-tracking parameters

PlatformParameters
Google Adsgclid, gclsrc, wbraid, gbraid, dclid, gad_source
Google Analyticsutm_source, utm_medium, utm_campaign, utm_term, utm_content, utm_id, _ga, _gl
Google Productssrsltid
Facebook / Metafbclid, fb_action_ids, fb_action_types
Microsoft Adsmsclkid
TikTokttclid
Twitter / Xtwclid
LinkedInli_fat_id
Pinterestepik
Email / Marketingmc_cid, mc_eid, _hsenc, _hsmi, mkt_tok, ck_subscriber_id

Tools