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Changes

https://schalke04.de
Compared to previous audit · just now View previous audit
17
New issues
13
Resolved
10
score changes
CategoryPreviousCurrentChange
CompositeB (82)B (82)—
PerformanceC (78)C (78)—
SecurityB (80)B (80)—
AccessibilityC (74)C (74)—
SEOA (91)A (91)—
InfrastructureA (90)A (90)—
ComplianceB (85)B (85)—
ContentA (90)A (90)—
SustainabilityB (81)C (78) -3.000
MetricPreviousCurrentChange
Performance 13003300 +2000
Accessibility 80008000—
Best Practices 96009600—
SEO 1000010000—
PWA 00—
Desktop Performance 79007900—
Desktop Accessibility 84008400—
Desktop Best Practices 96009600—
Desktop SEO 1000010000—
FCP 8.99 s9.88 s +887 ms
LCP 21.01 s22.29 s +1.28 s
TBT 986 ms1.11 s +126 ms
CLS 0.5630.000 -0.563
Desktop FCP 1.06 s1.06 s—
Desktop LCP 2.08 s2.08 s—
Desktop TBT 0 ms0 ms—
Desktop CLS 0.0570.057—
TTFB †173 ms128 ms -46 ms
DNS †31 ms1 ms -30 ms
TLS †26 ms27 ms +1 ms
Connect 16 ms16 ms—
Total †175 ms129 ms -46 ms

† Timing metrics may vary by worker location and do not necessarily indicate site changes.

WARNING 114 third-party resources (48% of weight) performance
WARNING Total JS execution time is 6.3 s -- over the 3.5s budget performance
WARNING 9 render-blocking <script src> tag(s) without async/defer performance
WARNING 1 advertising/retargeting trackers detected compliance
WARNING https://schalke04.de/: 781ms CPU time performance
WARNING <iframe> missing title attribute (src="https://partner.schalke04.de/partner/DAZN/cw_35_2026/billboard-mobile.htm") accessibility
WARNING Images are 1.2 MB — compress or use modern formats performance
WARNING https://schalke04.de/firebase/static/js/main.js?ve...: 816ms CPU time performance
WARNING <iframe> missing title attribute (src="https://partner.schalke04.de/partner/DAZN/cw_35_2026/billboard-desktop.htm") accessibility
WARNING Page weighs 11.3 MB (3.4 MB transferred) performance
WARNING https://app.usercentrics.eu/browser-ui/3.113.0/ind...: 1058ms CPU time performance
WARNING https://schalke04.de/content/themes/fcschalke04/as...: 424ms CPU time performance
WARNING Unattributable: 1903ms CPU time performance
WARNING Page weight 3.4 MB exceeds 1 MB target by 2.4 MB performance
WARNING 8 render-blocking stylesheet(s) -- recommended: <=3 performance
WARNING 0.80g CO2 — above the median website (0.60g) sustainability
WARNING 202 HTTP requests — consider bundling or reducing performance
WARNING 112 third-party resources (49% of weight) performance
WARNING https://app.usercentrics.eu/browser-ui/3.113.0/ind...: 1253ms CPU time performance
WARNING 200 HTTP requests — consider bundling or reducing performance
WARNING <iframe> missing title attribute (src="https://partner.schalke04.de/partner/sky/cw_42_2026_lb2/billboard-desktop.htm") accessibility
WARNING Images are 1.1 MB — compress or use modern formats performance
WARNING https://schalke04.de/firebase/static/js/main.js?ve...: 872ms CPU time performance
WARNING https://schalke04.de/: 812ms CPU time performance
WARNING 0.79g CO2 — above the median website (0.60g) sustainability
WARNING Page weighs 11.2 MB (3.3 MB transferred) performance
WARNING https://schalke04.de/content/themes/fcschalke04/as...: 438ms CPU time performance
WARNING Page weight 3.3 MB exceeds 1 MB target by 2.3 MB performance
WARNING Unattributable: 1978ms CPU time performance
WARNING <iframe> missing title attribute (src="https://partner.schalke04.de/partner/sky/cw_42_2026_lb2/billboard-mobile.htm") accessibility
CRITICAL Content-Security-Policy header is missing security
CRITICAL og:image is not reachable content
CRITICAL No <main> landmark found accessibility
WARNING Referrer-Policy header is missing security
WARNING SRI adoption: 1/15 third-party resources protected (6%) security
WARNING 1 software version(s) disclosed in HTML: WPML ver:4.5.5 stt:1,3; security
WARNING Missing required property "name" for Organization content
WARNING External link from playout.3qsdn.com lacks integrity attribute security
WARNING External script from googleads.g.doubleclick.net lacks integrity attribute security
WARNING 4 of 4 <nav> elements are unlabeled accessibility
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING 3 field(s) missing recommended autocomplete attribute accessibility
WARNING <iframe> missing title attribute (src="https://partner.schalke04.de/partner/s04-shop/cw_45_2026_Adventskalender_billbo…") accessibility
WARNING External script from app.usercentrics.eu lacks integrity attribute security
WARNING 3 field(s) would benefit from inputmode attribute accessibility
WARNING https://schalke04.de/content/themes/fcschalke04/as... is missing width/height — may cause layout shift performance
WARNING No Permissions-Policy header security
WARNING https://storage.schalke04.de/sites/1/2026/07/s04tv... is missing width/height — may cause layout shift performance
WARNING External script from cdn.jsdelivr.net lacks integrity attribute security
WARNING Permissions-Policy header is missing security
WARNING 38 link(s) open in new tab without warning accessibility
WARNING No name or short_name accessibility
WARNING 28 inline style attribute(s) detected security
WARNING External script from connect.facebook.net lacks integrity attribute security
WARNING Registrar lock is NOT enabled infrastructure
WARNING 31 link(s) open in a new tab without rel=noopener security
WARNING https://schalke04.de/firebase/static/js/main.js?ve...: 111 KB unused (52%) performance
WARNING https://schalke04.de/content/themes/fcschalke04/as...: unminified — 135 KB could be saved performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-PVT...: 79 KB unused (41%) performance
WARNING 5 images significantly larger than display size content
WARNING HSTS is enabled but max-age is short (15552000s, should be >= 31536000s) security
WARNING No favicon.ico at site root accessibility
WARNING External script from capi-automation.s3.us-east-2.amazonaws.com lacks integrity attribute security
WARNING External script from joyuwr60wv.kameleoon.eu lacks integrity attribute security
WARNING https://schalke04.de/content/themes/fcschalke04/as...: 88 KB unused (38%) performance
WARNING X-Frame-Options header is missing security
WARNING Cross-Origin-Opener-Policy header is missing security
WARNING https://storage.schalke04.de/sites/1/2026/10/26102... is missing width/height — may cause layout shift performance
WARNING https://storage.schalke04.de/sites/1/2026/10/dna_h... is missing width/height — may cause layout shift performance
WARNING https://cdn.jsdelivr.net/npm/hls.js@latest: 137 KB unused (91%) performance
WARNING 64 images missing explicit width/height content
WARNING JavaScript is 1.3 MB — consider code splitting or lazy loading performance
WARNING https://app.usercentrics.eu/browser-ui/3.113.0/ind...: 53 KB unused (44%) performance
WARNING External script from snap.licdn.com lacks integrity attribute security
WARNING External script from l.ecn-ldr.de lacks integrity attribute security
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING Login form does not contain a recognizable CSRF token security
WARNING External script from www.googletagmanager.com lacks integrity attribute security
WARNING External script from zn3rbqbel717pvo3i-schalke04.siteintercept.qualtrics.com lacks integrity attribute security
WARNING Multiple H1 headings (2 found) accessibility
WARNING All 37 images use legacy formats (JPEG/PNG/GIF) content
x-guploader-uploadid
AFy3sg09VY2Q1s9naS3DRbxqxvrOWECyAzQC5j6IdGZQDI1sHwsSVL3jpKAWkaqFNoYrPgfc → AFy3sg0Z1eUZUe3vN_sILNG47lbl_uhcuCgJDmZxuT45g9hSWNXnyw5IvAWrnvIQ2zlWCXaL
expires
Tue, 09 Nov 2027 15:45:37 GMT → Tue, 09 Nov 2027 15:46:12 GMT

15 headers unchanged

+ Underscore.js JavaScript libraries v4.17.21
− Lodash JavaScript libraries

39 technologies unchanged

Looking ahead

+15 pts
B (82) Could reach A+ (97)
Accessibility +26Performance +22Security +20Content +10Compliance +4Infrastructure +4Sustainability +4

Estimate — actual results may vary (68 issues to fix)

Website improvement report — Schalke04

November 9, 2026 → November 9, 2026

B B 82 → 82 0 pts

13

Resolved

17

New issues

51

Still remaining

Financial summary

Investment delivered

€1,230 in development time

Investment remaining

€8,543 to complete the remaining items

Ongoing risk

€1/month in ongoing exposure

Figures are estimates based on local developer hourly rate, industry CPC, and regulatory fine ranges.

Performance by category

MetricBeforeAfterChange
Overall score82 (B)82 (B)0
Performance78 (C)78 (C)0
Security80 (B)80 (B)0
Accessibility74 (C)74 (C)0
SEO91 (A)91 (A)0
Infrastructure90 (A)90 (A)0
Compliance85 (B)85 (B)0
Content90 (A)90 (A)0
Sustainability81 (B)78 (C)-3

Resolved (13)

  • 112 third-party resources (49% of weight) (Performance)

    → Page loads faster for users

  • https://app.usercentrics.eu/browser-ui/3.113.0/ind...: 1253ms CPU time (Performance)

    → Page loads faster for users

  • 200 HTTP requests — consider bundling or reducing (Performance)

    → Page loads faster for users

  • <iframe> missing title attribute (src="https://partner.schalke04.de/partner/sky/cw_42_2026_lb2/billboard-desktop.htm") (Accessibility)

    → Improved usability for assistive technology users

  • Images are 1.1 MB — compress or use modern formats (Performance)

    → Page loads faster for users

  • https://schalke04.de/firebase/static/js/main.js?ve...: 872ms CPU time (Performance)

    → Page loads faster for users

  • https://schalke04.de/: 812ms CPU time (Performance)

    → Page loads faster for users

  • 0.79g CO2 — above the median website (0.60g) (Sustainability)

    → Lower carbon footprint per page view

  • Page weighs 11.2 MB (3.3 MB transferred) (Performance)

    → Page loads faster for users

  • https://schalke04.de/content/themes/fcschalke04/as...: 438ms CPU time (Performance)

    → Page loads faster for users

  • Page weight 3.3 MB exceeds 1 MB target by 2.3 MB (Performance)

    → Page loads faster for users

  • Unattributable: 1978ms CPU time (Performance)

    → Page loads faster for users

  • <iframe> missing title attribute (src="https://partner.schalke04.de/partner/sky/cw_42_2026_lb2/billboard-mobile.htm") (Accessibility)

    → Improved usability for assistive technology users

Recommended next steps (68)

  • Sprint 2

    Content-Security-Policy header is missing (Security)

  • Sprint 1

    og:image is not reachable (Content)

  • Sprint 1

    No <main> landmark found (Accessibility)

  • Sprint 1

    114 third-party resources (48% of weight) (Performance)

  • Sprint 2

    Total JS execution time is 6.3 s -- over the 3.5s budget (Performance)

  • Sprint 2

    9 render-blocking <script src> tag(s) without async/defer (Performance)

  • Sprint 2

    1 advertising/retargeting trackers detected (Compliance)

  • Sprint 1

    https://schalke04.de/: 781ms CPU time (Performance)

  • Sprint 1

    <iframe> missing title attribute (src="https://partner.schalke04.de/partner/DAZN/cw_35_2026/billboard-mobile.htm") (Accessibility)

  • Sprint 2

    Images are 1.2 MB — compress or use modern formats (Performance)

  • Sprint 1

    https://schalke04.de/firebase/static/js/main.js?ve...: 816ms CPU time (Performance)

  • Sprint 1

    <iframe> missing title attribute (src="https://partner.schalke04.de/partner/DAZN/cw_35_2026/billboard-desktop.htm") (Accessibility)

  • Sprint 1

    Page weighs 11.3 MB (3.4 MB transferred) (Performance)

  • Sprint 1

    https://app.usercentrics.eu/browser-ui/3.113.0/ind...: 1058ms CPU time (Performance)

  • Sprint 1

    https://schalke04.de/content/themes/fcschalke04/as...: 424ms CPU time (Performance)

…and 53 more recommended item(s)

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