What does caltech.edu track?
Before any consent, caltech.edu 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.caltech.edu once and clicking nothing. How we scan
- Tracking companies
- 3
- Tracking cookies
- 2
- Third-party hosts
- 6
- Cookies in total
- 4
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
3 of the 6 companies it contacted before consent were content delivery companies.
- Meta4 requestsSocial media
scontent-sea5-1.cdninstagram.com
- Google Analytics2 requestsAnalytics
www.googletagmanager.com
- Cloudflare Web Analytics1 requestAnalytics
static.cloudflareinsights.com
Other third parties (content delivery, consent, functional, unclassified)
- Cloudflare6 requestsContent delivery
cdnjs.cloudflare.com
- DataTables5 requestsContent delivery
cdn.datatables.net
- jQuery CDN1 requestContent delivery
code.jquery.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 | caltech.edu | 13 months |
| _ga_7RL83EX4D4 | Analytics | caltech.edu | 13 months |
| __cf_bm | Functional | www.caltech.edu | Under a day |
| __cf_bm | Functional | resources.caltech.edu | Under a day |
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.