What does w3schools.com track?
Before any consent, w3schools.com loaded 3 tracking companies and set 2 advertising or analytics cookies.
That's more tracking companies than 58% of the 2,450 sites we scanned.
Scanned October 2, 2026 from Germany, loading www.w3schools.com once and clicking nothing. How we scan
- Tracking companies
- 3
- Tracking cookies
- 2
- Third-party hosts
- 8
- Cookies in total
- 3
Consent banner
The page loaded IAB TCF (unidentified platform), a consent management platform. Everything below was recorded before anyone answered it. 3 tracking companies still loaded while it was unanswered.
Companies contacted before consent
2 of the 4 companies it contacted before consent were advertising companies.
- Google Ads2 requestsAdvertising
www.google.de, stats.g.doubleclick.net
- Sparteo1 requestAdvertising
sync.sparteo.com
- Google Analytics4 requestsAnalytics
www.googletagmanager.com, region1.analytics.google.com
Other third parties (content delivery, consent, functional, unclassified)
- fastcmp.com6 requestsUnclassified
static.fastcmp.com, t.fastcmp.com, eu.fastcmp.com
Cookies set before consent
The longest-lived tracking cookie it set was _ga, from Google Analytics, lasting about 13 months.
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| _ga | Analytics | w3schools.com | 13 months |
| _ga_9YNMTB56NB | Analytics | w3schools.com | 13 months |
| w3s.theme | Unclassified | w3schools.com | 12 months |
The page also wrote 2 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.