Cookie dictionary

Cookie dictionary: what does each cookie do?

For each common cookie: who sets it, what it is for, how long it lasts, whether it needs consent, and how to stop it from being set before the visitor chooses.

Analytics

• _ga — Google Analytics · 2 years
• _ga_<IDENTIFIANT> — Google Analytics 4 · 2 years
• _gid — Google Analytics (Universal Analytics) · 24 hours
• _gat — Google Analytics (Universal Analytics) · 1 minute
• _hjSessionUser_<IDENTIFIANT> — Hotjar · 1 year
• _clck — Microsoft Clarity · 1 year
• _pk_id — Matomo · 13 months
• _clsk — Microsoft Clarity · 1 day
• _hjSession_<IDENTIFIANT> — Hotjar · 30 minutes
• __hstc — HubSpot · 6 months
• hubspotutk — HubSpot · 6 months
• _pk_ses — Matomo · 30 minutes

Advertising and profiling

• _gcl_au — Google Ads / Google Tag · 90 days
• _gcl_aw — Google Ads · 90 days
• _fbp — Meta Pixel (Facebook) · 90 days
• _fbc — Meta Pixel (Facebook) · 90 days
• fr — Meta (Facebook) · 90 days
• IDE — Google DoubleClick · Up to 13 months (depending on region)
• NID — Google · About 6 months
• _ttp — TikTok Pixel · 13 months
• _uetsid — Microsoft Advertising (UET) · 1 day
• _gac_<IDENTIFIANT> — Google Ads · 90 days
• __gads — Google AdSense / Ad Manager · 13 months
• __gpi — Google AdSense / Ad Manager · 13 months
• MUID — Microsoft (Bing, Advertising) · 13 months
• _uetvid — Microsoft Advertising (UET) · 13 months
• _tt_enable_cookie — TikTok Pixel · 13 months
• bcookie — LinkedIn · 1 year
• lidc — LinkedIn · 24 hours
• UserMatchHistory — LinkedIn Ads · 30 days
• _li_fat_id — LinkedIn Insight Tag · 30 days
• personalization_id — X (Twitter) · 2 years
• _pin_unauth — Pinterest Tag · 1 year
• _scid — Snap Pixel · About 13 months

Embedded video

• YSC — YouTube · Session
• VISITOR_INFO1_LIVE — YouTube · About 6 months

Strictly necessary

• PHPSESSID — PHP (votre site) · Session
• __stripe_mid — Stripe · 1 year
• AEC — Google · 6 months
• SOCS — Google · 13 months
• _GRECAPTCHA — Google reCAPTCHA · 6 months
• li_gc — LinkedIn · 6 months
• __cf_bm — Cloudflare · 30 minutes
• __stripe_sid — Stripe · 30 minutes
• wordpress_logged_in_<EMPREINTE> — WordPress · Session (14 days with “Remember me”)
• wordpress_test_cookie — WordPress · Session
• wp-settings-<NUMÉRO> — WordPress · 1 year
• JSESSIONID — Java (votre site) · Session
• OptanonConsent — OneTrust · 1 year
• euconsent-v2 — IAB TCF (plateformes de consentement) · Usually 13 months (depending on the platform)

Test my site

Durations are defaults and may change with configuration. This page describes a cookie; it is not legal advice.