What does optimizely.com track?
Before any consent, optimizely.com loaded 4 tracking companies and set 6 advertising or analytics cookies.
That's more tracking companies than 70% of the 2,450 sites we scanned.
Scanned October 2, 2026 from Germany, loading www.optimizely.com once and clicking nothing. How we scan
- Tracking companies
- 4
- Tracking cookies
- 6
- Third-party hosts
- 8
- Cookies in total
- 14
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
3 of the 5 companies it contacted before consent were social media companies.
- LinkedIn5 requestsSocial media
px.ads.linkedin.com, snap.licdn.com
- Meta4 requestsSocial media
connect.facebook.net, www.facebook.com
- Reddit3 requestsSocial media
alb.reddit.com, www.redditstatic.com
- Google Analytics1 requestAnalytics
www.googletagmanager.com
Other third parties (content delivery, consent, functional, unclassified)
- Amazon Web Services1 requestContent delivery
capi-automation.s3.us-east-2.amazonaws.com
Cookies set before consent
The longest-lived tracking cookie it set was bcookie, from LinkedIn, lasting about 12 months.
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| _fbp | Advertising | optimizely.com | 3 months |
| _rdt_uuid | Advertising | optimizely.com | 3 months |
| bcookie | Advertising | linkedin.com (third party) | 12 months |
| lidc | Advertising | linkedin.com (third party) | 1 day |
| optimizelyEndUserId | Advertising | optimizely.com | 6 months |
| optimizelySession | Analytics | optimizely.com | 6 months |
| _oeu1790934436364r0.4873097428089287$… | Unclassified | a26942930964.cdn.optimizely.com | 6 months |
| optimizely-user-id | Unclassified | www.optimizely.com | 12 months |
| optimizelyRumLB | Unclassified | rum.optimizely.com | Session |
| vtsrc | Unclassified | www.optimizely.com | 13 months |
| __cf_bm | Functional | linkedin.com (third party) | Under a day |
| AWSELB | Functional | rum.optimizely.com | Session |
| AWSELBCORS | Functional | rum.optimizely.com | Session |
| li_gc | Functional | linkedin.com (third party) | 6 months |
The page also wrote 12 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.