What does zhihu.com track?
Before any consent, zhihu.com loaded 1 tracking company and set 1 advertising or analytics cookie.
That's fewer tracking companies than most sites we scanned: 75% of the 2,450 sites we checked loaded more.
Scanned October 2, 2026 from Germany, loading www.zhihu.com/signin?next=%2F once and clicking nothing. How we scan
- Tracking companies
- 1
- Tracking cookies
- 1
- Third-party hosts
- 9
- Cookies in total
- 10
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
4 of the 5 companies it contacted before consent were unclassified.
- Baidu Analytics2 requestsAnalytics
hm.baidu.com
Other third parties (content delivery, consent, functional, unclassified)
- zhimg.com18 requestsUnclassified
unpkg.zhimg.com, pic2.zhimg.com, pic3.zhimg.com, pica.zhimg.com
- 126.net6 requestsUnclassified
cstaticdun.126.net
- 118.89.204.1982 requestsUnclassified
118.89.204.198
- 163.com2 requestsUnclassified
c.dun.163.com
Cookies set before consent
The longest-lived tracking cookie it set was captcha_session_v2, lasting about 30 days.
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| captcha_session_v2 | Advertising | zhihu.com | 30 days |
| __snaker__id | Unclassified | www.zhihu.com | 12 months |
| _xsrf | Unclassified | zhihu.com | Session |
| _zap | Unclassified | zhihu.com | 13 months |
| BEC | Unclassified | www.zhihu.com | Under a day |
| d_c0 | Unclassified | zhihu.com | 13 months |
| gdxidpyhxdE | Unclassified | www.zhihu.com | 30 days |
| JOID | Unclassified | www.zhihu.com | Session |
| osd | Unclassified | www.zhihu.com | Session |
| SESSIONID | Unclassified | www.zhihu.com | Session |
The page also wrote 7 keys to local storage, which works like a cookie but isn't sent with requests.
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.