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Changes

https://skyscanner.net
Compared to previous audit · 3 weeks ago View previous audit
28
New issues
20
Resolved
24
score changes
CategoryPreviousCurrentChange
CompositeC (72)B (80) +8.000
PerformanceC (76)B (85) +9.000
SecurityC (73)C (79) +6.000
AccessibilityD (60)C (79) +19.000
SEOC (74)B (83) +9.000
InfrastructureB (83)B (84) +1.000
ComplianceC (73)D (63) -10.000
ContentD (65)C (71) +6.000
SustainabilityC (72)B (81) +9.000
MetricPreviousCurrentChange
Performance 37005500 +1800
Accessibility 84008400—
Best Practices 77008100 +400
SEO 91009100—
PWA 00—
Desktop Performance 76009700 +2100
Desktop Accessibility 84008400—
Desktop Best Practices 77008100 +400
Desktop SEO 91009100—
FCP 6.41 s1.56 s -4.85 s
LCP 12.04 s4.26 s -7.79 s
TBT 901 ms2.28 s +1.37 s
CLS 0.0870.068 -0.019
Desktop FCP 1.64 s455 ms -1.18 s
Desktop LCP 2.92 s884 ms -2.04 s
Desktop TBT 6 ms124 ms +118 ms
Desktop CLS 0.0060.006—
TTFB †136 ms161 ms +25 ms
DNS 27 ms27 ms—
TLS †81 ms99 ms +19 ms
Connect †1 ms1 ms -0 ms
Total †136 ms161 ms +25 ms

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

Projected vs. Actual

Previous
C 72
Projected
A 93
Actual
B 80
Fell short of projection
20 issues resolved since last audit
56 issues remaining
Resolving remaining issues could reach A+

Estimate — actual results may vary

CRITICAL Scan returned a PerimeterX / HUMAN bot-protection interstitial, not the actual page security
CRITICAL Page body has only 48 chars of text -- likely empty / placeholder security
WARNING Broken link: https://skyscanner.net/static/css/main.7b7617db.css content
WARNING 1 images missing explicit width/height content
WARNING Unattributable: 412ms CPU time performance
WARNING Total JS execution time is 5.7 s -- over the 3.5s budget performance
WARNING Transfer efficiency: 74% sustainability
WARNING https://www.skyscanner.net/rf8vapwA/captcha.js?a=c...: 1844ms CPU time performance
WARNING https://client.px-cloud.net/PXrf8vapwA/main.min.js: 29 KB unused (30%) performance
WARNING https://client.px-cloud.net/PXrf8vapwA/main.min.js: 3190ms CPU time performance
WARNING https://www.skyscanner.net/rf8vapwA/captcha.js?a=c...: 44 KB unused (17%) performance
WARNING Third-party scripts: 5698ms (100% of total) performance
WARNING 24 third-party resources (100% of weight) performance
WARNING Trackers detected but no privacy policy found compliance
WARNING 1 images missing alt text content
WARNING https://www.skyscanner.net/sttc/px/captcha-v2/stat...: 35 KB unused (42%) performance
WARNING 2 redirects before reaching final URL infrastructure
WARNING JavaScript is 595 KB — consider code splitting or lazy loading performance
WARNING sitemap.xml is empty — no URLs found infrastructure
WARNING Domain expires in 54 days infrastructure
WARNING Trackers detected but no cookie policy found compliance
WARNING Permissions-Policy header not set -- features default to allow-on-same-origin security
WARNING 1 publicly-accessible JavaScript source map(s) security
WARNING Third-party code accounts for 100% of page weight (684.4 KiB of 684.7 KiB) performance
WARNING Sitemap is empty -- 0 URLs listed seo
WARNING sitemap.xml contains invalid XML infrastructure
WARNING 3 of 5 links are healthy content
WARNING Manifest contains invalid JSON accessibility
WARNING Broken link: https://skyscanner.net/manifest.json content
WARNING Third-party code accounts for 100% of page weight (1.8 MiB of 1.8 MiB) performance
WARNING https://www.skyscanner.fr/rf8vapwA/captcha.js?a=ca...: 44 KB unused (17%) performance
WARNING https://www.skyscanner.fr/sttc/px/captcha-v2/stati...: 35 KB unused (42%) performance
WARNING https://js.skyscnr.com/sttc/banana/static/js/463.a...: 1667ms CPU time performance
WARNING https://js.skyscnr.com/sttc/banana/static/js/463.a...: 43 KB unused (41%) performance
WARNING JavaScript is 1.3 MB — consider code splitting or lazy loading performance
WARNING https://www.skyscanner.fr/g/tagging/gtm.js?id=GTM-...: 81 KB unused (49%) performance
WARNING 113 third-party resources (100% of weight) performance
WARNING Domain expires in 49 days infrastructure
WARNING 3 redirects before reaching final URL infrastructure
WARNING 2 of 5 links are healthy content
WARNING Unattributable: 756ms CPU time performance
WARNING https://www.skyscanner.fr/?previousCultureSource=G...: 663ms CPU time performance
WARNING Third-party scripts: 7316ms (91% of total) performance
WARNING Broken link: https://skyscanner.net/static/css/main.23768613.css content
WARNING Page weight 1.8 MB exceeds 1 MB target by 799 KB performance
WARNING https://client.px-cloud.net/PXrf8vapwA/main.min.js: 2284ms CPU time performance
WARNING https://www.skyscanner.fr/rf8vapwA/captcha.js?a=ca...: 1444ms CPU time performance
WARNING 114 HTTP requests — consider bundling or reducing performance
CRITICAL Page has only 2 words — nearly empty seo
CRITICAL No <main> landmark found accessibility
CRITICAL Content-Security-Policy header is missing security
CRITICAL No Content-Security-Policy header found security
WARNING No canonical tag found seo
WARNING Privacy Policy not detected compliance
WARNING Broken link: https://skyscanner.net/static/js/main.80db1e99.js content
WARNING Referrer-Policy header is missing security
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING Registrar lock is NOT enabled infrastructure
WARNING No accessibility statement detected compliance
WARNING Server header reveals version information security
WARNING No Permissions-Policy header security
WARNING No meta description tag found seo
WARNING No privacy policy link detected compliance
WARNING X-Content-Type-Options header is missing security
WARNING Terms of Service not detected compliance
WARNING Cross-Origin-Opener-Policy header is missing security
WARNING No <nav> landmark found accessibility
WARNING 1 empty heading(s) accessibility
WARNING Thin content — only 2 words seo
WARNING Dead-end page — no outgoing internal links seo
WARNING Permissions-Policy header is missing security
WARNING Title is only 10 characters — consider expanding seo
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING X-Frame-Options header is missing security
WARNING No Open Graph meta tags found content
WARNING Cross-Origin-Embedder-Policy header is missing security

HTTP headers unchanged

5 headers unchanged

Technology stack unchanged

12 technologies unchanged

Looking ahead

+17 pts
B (80) Could reach A+ (97)
Accessibility +21Security +21Compliance +17SEO +17Infrastructure +16Performance +15Content +14Sustainability +4

Estimate — actual results may vary (56 issues to fix)

Website improvement report — Skyscanner

April 15, 2026 → May 10, 2026

C B 72 → 80 +8 pts

20

Resolved

28

New issues

28

Still remaining

Financial summary

Investment delivered

$6,400 in development time

Investment remaining

$9,433 to complete the remaining items

Ongoing risk

$13,125/month in ongoing exposure

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

Performance by category

MetricBeforeAfterChange
Overall score72 (C)80 (B)+8
Performance76 (C)85 (B)+9
Security73 (C)79 (C)+6
Accessibility60 (D)79 (C)+19
SEO74 (C)83 (B)+9
Infrastructure83 (B)84 (B)+1
Compliance73 (C)63 (D)-10
Content65 (D)71 (C)+6
Sustainability72 (C)81 (B)+9

Resolved (20)

  • Broken link: https://skyscanner.net/manifest.json (Content)

    → Stronger social sharing and on-page quality

  • Third-party code accounts for 100% of page weight (1.8 MiB of 1.8 MiB) (Performance)

    → Page loads faster for users

  • https://www.skyscanner.fr/rf8vapwA/captcha.js?a=ca...: 44 KB unused (17%) (Performance)

    → Page loads faster for users

  • https://www.skyscanner.fr/sttc/px/captcha-v2/stati...: 35 KB unused (42%) (Performance)

    → Page loads faster for users

  • https://js.skyscnr.com/sttc/banana/static/js/463.a...: 1667ms CPU time (Performance)

    → Page loads faster for users

  • https://js.skyscnr.com/sttc/banana/static/js/463.a...: 43 KB unused (41%) (Performance)

    → Page loads faster for users

  • JavaScript is 1.3 MB — consider code splitting or lazy loading (Performance)

    → Page loads faster for users

  • https://www.skyscanner.fr/g/tagging/gtm.js?id=GTM-...: 81 KB unused (49%) (Performance)

    → Page loads faster for users

  • 113 third-party resources (100% of weight) (Performance)

    → Page loads faster for users

  • Domain expires in 49 days (Infrastructure)

    → More reliable delivery

  • 3 redirects before reaching final URL (Infrastructure)

    → More reliable delivery

  • 2 of 5 links are healthy (Content)

    → Stronger social sharing and on-page quality

  • Unattributable: 756ms CPU time (Performance)

    → Page loads faster for users

  • https://www.skyscanner.fr/?previousCultureSource=G...: 663ms CPU time (Performance)

    → Page loads faster for users

  • Third-party scripts: 7316ms (91% of total) (Performance)

    → Page loads faster for users

…and 5 more resolved issue(s)

Recommended next steps (56)

  • Sprint 1

    Scan returned a PerimeterX / HUMAN bot-protection interstitial, not the actual page (Security)

  • Sprint 1

    Page body has only 48 chars of text -- likely empty / placeholder (Security)

  • Sprint 3

    Page has only 2 words — nearly empty (SEO)

  • Sprint 1

    No <main> landmark found (Accessibility)

  • Sprint 2

    Content-Security-Policy header is missing (Security)

  • Sprint 2

    No Content-Security-Policy header found (Security)

  • Sprint 1

    Broken link: https://skyscanner.net/static/css/main.7b7617db.css (Content)

  • Sprint 1

    1 images missing explicit width/height (Content)

  • Sprint 1

    Unattributable: 412ms CPU time (Performance)

  • Sprint 2

    Total JS execution time is 5.7 s -- over the 3.5s budget (Performance)

  • Sprint 1

    Transfer efficiency: 74% (Sustainability)

  • Sprint 1

    https://www.skyscanner.net/rf8vapwA/captcha.js?a=c...: 1844ms CPU time (Performance)

  • Sprint 3

    https://client.px-cloud.net/PXrf8vapwA/main.min.js: 29 KB unused (30%) (Performance)

  • Sprint 1

    https://client.px-cloud.net/PXrf8vapwA/main.min.js: 3190ms CPU time (Performance)

  • Sprint 3

    https://www.skyscanner.net/rf8vapwA/captcha.js?a=c...: 44 KB unused (17%) (Performance)

…and 41 more recommended item(s)

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