opera.com

Conformance report

Tracked site: https://opera.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: 2026-09-28. 2 major, 4 minor; 182 KB first-party transfer, 108 requests.

Rule by rule

RuleFaultResult
JS-01JavaScript MAJOR
  • inline <script>
  • inline <script>
  • inline <script>
  • inline <script>
  • inline <script>
  • and 17 more
TP-01Third-party requests MAJOR
  • https://www.googletagmanager.com (via <link rel=dns-prefetch>)
  • https://cdn-production-opera-website.operacdn.com (via <link rel=dns-prefetch>)
  • https://connect.facebook.net (via <link rel=dns-prefetch>)
  • https://www.clarity.ms (via <link rel=dns-prefetch>)
  • https://bat.bing.com (via <link rel=dns-prefetch>)
  • and 102 more
CK-01Cookies pass
WT-01Excessive transfer pass
AV-01Autoplaying media pass
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 inline CSS
  • @font-face in inline CSS
  • @font-face in inline CSS
  • @font-face in inline CSS
  • @font-face in inline CSS
  • and 2 more
RQ-01Excessive requests 1 minor
  • 108 resource requests
FR-01First-party frame pass

History

DateGradeMajorsMinors WeightRequests
2026-09-28 F 2 4 182 KB 108
2026-09-14 F 2 4 180 KB 109
2026-08-31 F 2 4 180 KB 111
2026-08-17 F 2 4 180 KB 111