What does stackexchange.com track?
stackexchange.com loaded no advertising or analytics trackers before consent.
Scanned October 2, 2026 from Germany, loading stackexchange.com once and clicking nothing. How we scan
- Tracking companies
- 0
- Tracking cookies
- 0
- Third-party hosts
- 13
- Cookies in total
- 17
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
6 of the 7 companies it contacted before consent were unclassified.
None.
Other third parties (content delivery, consent, functional, unclassified)
- gravatar.com16 requestsUnclassified
www.gravatar.com
- sstatic.net15 requestsUnclassified
i.sstatic.net, cdn.sstatic.net
- stackoverflow.com2 requestsUnclassified
stackoverflow.com
- superuser.com1 requestUnclassified
superuser.com
- askubuntu.com1 requestUnclassified
askubuntu.com
- mathoverflow.net1 requestUnclassified
mathoverflow.net
- Google7 requestsFunctional
fonts.gstatic.com, fonts.googleapis.com, ajax.googleapis.com, lh5.googleusercontent.com
Cookies set before consent
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| __cf_ob | Unclassified | stackexchange.com | Session |
| prov | Unclassified | stackexchange.com | Session |
| __cf_bm | Functional | sstatic.net (third party) | Under a day |
| __cf_bm | Functional | stackoverflow.com (third party) | Under a day |
| __cf_bm | Functional | superuser.com (third party) | Under a day |
| __cf_bm | Functional | askubuntu.com (third party) | Under a day |
| __cf_bm | Functional | mathoverflow.net (third party) | Under a day |
| __cf_bm | Functional | i.sstatic.net (third party) | Under a day |
| __cf_bm | Functional | stackexchange.com | Under a day |
| __cflb | Functional | stackexchange.com | 1 day |
| __cflb | Functional | cdn.sstatic.net (third party) | 1 day |
| _cfuvid | Functional | stackexchange.com | Session |
| _cfuvid | Functional | superuser.com (third party) | Session |
| _cfuvid | Functional | askubuntu.com (third party) | Session |
| _cfuvid | Functional | mathoverflow.net (third party) | Session |
| _cfuvid | Functional | i.sstatic.net (third party) | Session |
| cf_clearance | Functional | stackexchange.com | 12 months |
Understanding this page
- How to see which cookies and trackers a website loads
A hands-on walkthrough for checking what a site sets before you've clicked anything, using Chrome and Firefox's built-in tools, plus how CookieTosser automates the same check every month.
- What counts as valid cookie consent in the EU
The rules that actually govern cookie banners — the ePrivacy Directive, the GDPR consent standard, the Planet49 ruling, the strictly-necessary exemption, and what "reject" has to offer compared with "accept.
- Consent management platforms explained
What a CMP banner is actually doing behind the scenes, how the IAB's TCF standard and Google's Consent Mode v2 fit in, and why a banner being present is no guarantee that nothing loads before you answer it.