issuu.com

Conformance report

Tracked site: https://issuu.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. 2 major, 5 minor; 1.6 MB first-party transfer, 65 requests.

Rule by rule

RuleFaultResult
JS-01JavaScript MAJOR
  • <script src="/publisher-space/assets/_next/static/chunks/b325466e-712011c6a794f64f.js">
  • <script src="/publisher-space/assets/_next/static/chunks/8034-eb5c627a64ce8f02.js">
  • <script src="/publisher-space/assets/_next/static/chunks/main-app-a69c102dc2a3dc96.js">
  • <script src="/publisher-space/assets/_next/static/chunks/8226-7c8a5b3d044b3a2a.js">
  • <script src="/publisher-space/assets/_next/static/chunks/6952-9a5195ee65f9dc34.js">
  • and 58 more
TP-01Third-party requests MAJOR
  • https://consent.cookiebot.com/uc.js (via <script src>)
  • https://static.isu.pub/fonts/inter/v3_19/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa2JL7W0Q5n-wU.woff2 (via url() in https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css)
  • https://static.isu.pub/fonts/inter/v3_19/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa0ZL7W0Q5n-wU.woff2 (via url() in https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css)
  • https://static.isu.pub/fonts/inter/v3_19/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa2ZL7W0Q5n-wU.woff2 (via url() in https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css)
  • https://static.isu.pub/fonts/inter/v3_19/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa1pL7W0Q5n-wU.woff2 (via url() in https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css)
  • and 9 more
CK-01Cookies pass
WT-01Excessive transfer 1 minor
  • total first-party transfer 1.56 MB (over 512 KB)
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 https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css
  • @font-face in https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css
  • @font-face in https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css
  • @font-face in https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css
  • @font-face in https://issuu.com/publisher-space/assets/_next/static/css/d20463b1f64dc0bb.css
  • and 29 more
RQ-01Excessive requests 1 minor
  • 65 resource requests
FR-01First-party frame pass

History

DateGradeMajorsMinors WeightRequests
2026-09-29 F 2 5 1.6 MB 65
2026-09-15 F 2 5 1.6 MB 65
2026-08-31 F 2 5 1.6 MB 65
2026-08-17 F 2 5 1.6 MB 65