optimizely.com

Conformance report

Tracked site: https://optimizely.com/. Checked against the Web 1.0 Specification (2026 Edition), front page only, roughly every two weeks.

F

Fails on multiple major faults. Latest check: 2026-09-29. 5 major, 4 minor; 20.8 MB first-party transfer, 143 requests.

Rule by rule

RuleFaultResult
JS-01JavaScript MAJOR
  • <script src="/_next/static/immutable/chunks/1191lj8_x8otc.js">
  • <script src="/_next/static/immutable/chunks/2wsgu897b8wv9.js">
  • <script src="/_next/static/immutable/chunks/2ubee6i_t47ts.js">
  • <script src="/_next/static/immutable/chunks/0y4y16qcv8s-3.js">
  • <script src="/_next/static/immutable/chunks/turbopack-1bu2s8p9dkdoj.js">
  • and 132 more
TP-01Third-party requests MAJOR
  • https://www.googletagmanager.com/gtm.js?id=GTM-59ZNLHC (via <script src>)
  • https://peach.blender.org/wp-content/uploads/bbb-splash.png (via url() in https://www.optimizely.com/_next/static/immutable/chunks/0iuiw-1q7co2p.css)
CK-01Cookies MAJOR
  • Set-Cookie on https://optimizely.com/
WT-01Excessive transfer MAJOR
  • total first-party transfer 20.82 MB (over 2 MB)
AV-01Autoplaying media MAJOR
  • <video src="/assets/Slow_2.5m.mp4">
  • <video src="https://uxwamy.files.cmp.optimizely.com/download/c154996c6ae511f1bac8fa367214800">
HY-01Missing doctype pass
HY-02Missing title pass
HY-03Missing language pass
HY-04Missing charset pass
HY-05Missing alt text pass
FT-01Web fonts 3 minor
  • @font-face in https://www.optimizely.com/_next/static/immutable/chunks/0iuiw-1q7co2p.css
  • @font-face in https://www.optimizely.com/_next/static/immutable/chunks/0iuiw-1q7co2p.css
  • @font-face in https://www.optimizely.com/_next/static/immutable/chunks/0iuiw-1q7co2p.css
  • @font-face in https://www.optimizely.com/_next/static/immutable/chunks/0iuiw-1q7co2p.css
  • @font-face in https://www.optimizely.com/_next/static/immutable/chunks/0iuiw-1q7co2p.css
  • and 22 more
RQ-01Excessive requests 1 minor
  • 143 resource requests
FR-01First-party frame pass

History

DateGradeMajorsMinors WeightRequests
2026-09-29 F 5 4 20.8 MB 143
2026-09-15 F 5 4 21.3 MB 144
2026-09-01 F 5 4 20.9 MB 144
2026-08-17 F 5 4 20.9 MB 145