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Changes

https://encyclopedia.com
Compared to previous audit · 16 weeks ago View previous audit

Santa Clara, United States → Madrid, Spain

These audits ran from different locations. Timing metrics (TTFB, DNS, TLS) may reflect network path differences rather than site changes.

35
New issues
21
Resolved
25
score changes
CategoryPreviousCurrentChange
CompositeD (68)C (77) +9.000
PerformanceC (72)C (74) +2.000
SecurityD (56)C (78) +22.000
AccessibilityF (54)C (72) +18.000
SEOB (84)B (88) +4.000
InfrastructureA (92)B (82) -10.000
ComplianceC (74)C (73) -1.000
ContentD (62)D (66) +4.000
SustainabilityB (80)C (78) -2.000
MetricPreviousCurrentChange
Performance 48003300 -1500
Accessibility 91008200 -900
Best Practices 77007700—
SEO 85007700 -800
PWA 00—
Desktop Performance 91006200 -2900
Desktop Accessibility 91009100—
Desktop Best Practices 81008100—
Desktop SEO 85008500—
FCP 2.04 s2.35 s +308 ms
LCP 14.18 s7.85 s -6.33 s
TBT 861 ms7.44 s +6.57 s
CLS 0.0510.050 -0.001
Desktop FCP 807 ms710 ms -97 ms
Desktop LCP 1.73 s1.59 s -138 ms
Desktop TBT 14 ms628 ms +615 ms
Desktop CLS 0.0000.000—
TTFB †99 ms31 ms -69 ms
DNS †38 ms9 ms -29 ms
TLS †23 ms11 ms -13 ms
Connect †16 ms2 ms -14 ms
Total †99 ms31 ms -69 ms

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

Projected vs. Actual

Previous
D 68
Projected
A 92
Actual
C 77
Fell short of projection
21 issues resolved since last audit
79 issues remaining
Resolving remaining issues could reach A+

Estimate — actual results may vary

CRITICAL Page weighs 11.9 MB (4.0 MB transferred) performance
WARNING https://ib.3lift.com/static/buttons/edaa/OBA_TRANS... is missing width/height — may cause layout shift performance
WARNING Sitemap appears abandoned -- newest lastmod is 7 years ago seo
WARNING IPv6 DNS records exist but server is not reachable infrastructure
WARNING Third-party code accounts for 100% of page weight (4.0 MiB of 4.0 MiB) performance
WARNING 2 images significantly larger than display size content
WARNING Permissions-Policy header not set -- features default to allow-on-same-origin security
WARNING Third-party scripts: 21285ms (84% of total) performance
WARNING https://ads.adthrive.com/builds/core/2aae14b/vendo...: 70 KB unused (37%) performance
WARNING https://www.googletagmanager.com/gtag/js?id=G-VTWQ...: 67 KB unused (41%) performance
WARNING Total JS execution time is 25.3 s -- over the 3.5s budget performance
WARNING <iframe> missing title attribute (src="") accessibility
WARNING https://ads.adthrive.com/builds/core/2aae14b/vendo...: 3280ms CPU time performance
WARNING https://ib.3lift.com/blob/0050d4a22bdd8a04b08ccef0...: 1635ms CPU time performance
WARNING All 7 images use legacy formats (JPEG/PNG/GIF) content
WARNING https://jsconfig.adsafeprotected.com/jsconfig/rjss...: 1927ms CPU time performance
WARNING https://ads.adthrive.com/builds/core/2aae14b/js/ad...: 1907ms CPU time performance
WARNING 6 advertising/retargeting trackers detected compliance
WARNING 0.95g CO2 — above the median website (0.60g) sustainability
WARNING JavaScript is 2.3 MB — consider code splitting or lazy loading performance
WARNING Unattributable: 4061ms CPU time performance
WARNING Page weight 4.0 MB exceeds 1 MB target by 3.0 MB performance
WARNING 1141 third-party resources (100% of weight) performance
WARNING 11 text node(s) render below 12 CSS pixels on mobile accessibility
WARNING SRI adoption: 0/12 third-party resources protected (0%) security
WARNING <iframe> missing title attribute (src="about:blank") accessibility
WARNING No SPF record found security
WARNING 10 render-blocking <script src> tag(s) without async/defer performance
WARNING 4 render-blocking stylesheet(s) -- recommended: <=3 performance
WARNING 66 of 68 links are healthy content
WARNING Images are 1.1 MB — compress or use modern formats performance
WARNING 1142 HTTP requests — consider bundling or reducing performance
WARNING https://securepubads.g.doubleclick.net/pagead/mana...: 93 KB unused (46%) performance
WARNING https://ads.adthrive.com/builds/core/2aae14b/js/ad...: 179 KB unused (40%) performance
WARNING 7 images missing explicit width/height content
WARNING External script from b.delivery.consentmanager.net lacks integrity attribute security
WARNING Page weighs 6.4 MB (2.6 MB transferred) performance
WARNING https://ads.adthrive.com/builds/core/08b4265/gdpr/...: 126 KB unused (79%) performance
WARNING https://www.googletagmanager.com/gtag/js?id=G-VTWQ...: 63 KB unused (41%) performance
WARNING https://ads.adthrive.com/builds/core/08b4265/es201...: 163 KB unused (44%) performance
WARNING 64 third-party resources (100% of weight) performance
WARNING Unattributable: 605ms CPU time performance
WARNING https://cdn.consentmanager.net/delivery/customdata...: 355ms CPU time performance
WARNING Third-party scripts: 2596ms (81% of total) performance
WARNING No meta description tag found seo
WARNING Third-party code accounts for 100% of page weight (2.6 MiB of 2.6 MiB) performance
WARNING https://securepubads.g.doubleclick.net/pagead/mana...: 132 KB unused (70%) performance
WARNING 71 of 73 links are healthy content
WARNING External script from cdn.consentmanager.net lacks integrity attribute security
WARNING https://www.encyclopedia.com/: 400ms CPU time performance
WARNING Page weight 2.6 MB exceeds 1 MB target by 1.6 MB performance
WARNING External script from eu-us.consentmanager.net lacks integrity attribute security
WARNING 0.61g CO2 — above the median website (0.60g) sustainability
WARNING JavaScript is 1.5 MB — consider code splitting or lazy loading performance
WARNING https://ads.adthrive.com/builds/core/08b4265/es201...: 630ms CPU time performance
WARNING Transfer efficiency: 72% sustainability
CRITICAL No Content-Security-Policy header found security
CRITICAL Content-Security-Policy header is missing security
CRITICAL No <main> landmark found accessibility
CRITICAL Broken link: http://nieman.harvard.edu/wp-content/uploads/pod-assets/m... content
CRITICAL HTTP link loaded on HTTPS page content
CRITICAL Viewport prevents user zooming compliance
CRITICAL Both www and non-www versions serve content infrastructure
CRITICAL No H1 heading found accessibility
CRITICAL 5 control(s) without accessible label accessibility
CRITICAL 1 link(s) with no accessible text accessibility
CRITICAL HSTS header is missing security
CRITICAL 2 button(s) with no accessible text accessibility
WARNING 5 control(s) rely on placeholder only accessibility
WARNING Page has 271 words — thin content seo
WARNING Copyright year is 2019 (7 year(s) behind) compliance
WARNING External script from www.googletagmanager.com lacks integrity attribute security
WARNING Broken link: about:blank content
WARNING X-Frame-Options header is missing security
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING No Permissions-Policy header security
WARNING 3 field(s) would benefit from inputmode attribute accessibility
WARNING Thin content — only 271 words seo
WARNING No accessibility statement detected compliance
WARNING External script from securepubads.g.doubleclick.net lacks integrity attribute security
WARNING External script from c.aps.amazon-adsystem.com lacks integrity attribute security
WARNING External script from s3.amazonaws.com lacks integrity attribute security
WARNING No Open Graph meta tags found content
WARNING X-Content-Type-Options header is missing security
WARNING Cross-Origin-Opener-Policy header is missing security
WARNING No DMARC record found security
WARNING Skip link target(s) don't exist on page: #main-content accessibility
WARNING 1 link(s) with generic text accessibility
WARNING https://s3.amazonaws.com/downloads.mailchimp.com/j...: 90 KB unused (64%) performance
WARNING Permissions-Policy header is missing security
WARNING No favicon.ico at site root accessibility
WARNING External script from ads.adthrive.com lacks integrity attribute security
WARNING /server-status is publicly accessible security
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING Referrer-Policy header is missing security
WARNING External script from www.google-analytics.com lacks integrity attribute security
WARNING 3 field(s) missing recommended autocomplete attribute accessibility
WARNING https://www.encyclopedia.com/sites/default/files/i... is missing width/height — may cause layout shift performance
WARNING Registrar lock is NOT enabled infrastructure
WARNING External link from cdn-images.mailchimp.com lacks integrity attribute security
+ content-type text/html; charset=UTF-8
− content-length 0

4 headers unchanged

− core-js JavaScript libraries
− Onsen UI Mobile frameworks
− Consent Manager Cookie compliance
Prebid v10.23.0 → v10.29.1

24 technologies unchanged

Looking ahead

+21 pts
C (77) Could reach A+ (98)
Accessibility +28Content +26Performance +26Security +22Compliance +21Infrastructure +14SEO +10Sustainability +4

Estimate — actual results may vary (79 issues to fix)

Website improvement report — Encyclopedia

April 21, 2026 → August 17, 2026

D C 68 → 77 +9 pts

21

Resolved

35

New issues

44

Still remaining

Financial summary

Investment delivered

€5,419 in development time

Investment remaining

€11,348 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 score68 (D)77 (C)+9
Performance72 (C)74 (C)+2
Security56 (D)78 (C)+22
Accessibility54 (F)72 (C)+18
SEO84 (B)88 (B)+4
Infrastructure92 (A)82 (B)-10
Compliance74 (C)73 (C)-1
Content62 (D)66 (D)+4
Sustainability80 (B)78 (C)-2

Resolved (21)

  • External script from b.delivery.consentmanager.net lacks integrity attribute (Security)

    → Reduced attack surface for visitors

  • Page weighs 6.4 MB (2.6 MB transferred) (Performance)

    → Page loads faster for users

  • https://ads.adthrive.com/builds/core/08b4265/gdpr/...: 126 KB unused (79%) (Performance)

    → Page loads faster for users

  • https://www.googletagmanager.com/gtag/js?id=G-VTWQ...: 63 KB unused (41%) (Performance)

    → Page loads faster for users

  • https://ads.adthrive.com/builds/core/08b4265/es201...: 163 KB unused (44%) (Performance)

    → Page loads faster for users

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

    → Page loads faster for users

  • Unattributable: 605ms CPU time (Performance)

    → Page loads faster for users

  • https://cdn.consentmanager.net/delivery/customdata...: 355ms CPU time (Performance)

    → Page loads faster for users

  • Third-party scripts: 2596ms (81% of total) (Performance)

    → Page loads faster for users

  • No meta description tag found (SEO)

    → Better search engine visibility

  • Third-party code accounts for 100% of page weight (2.6 MiB of 2.6 MiB) (Performance)

    → Page loads faster for users

  • https://securepubads.g.doubleclick.net/pagead/mana...: 132 KB unused (70%) (Performance)

    → Page loads faster for users

  • 71 of 73 links are healthy (Content)

    → Stronger social sharing and on-page quality

  • External script from cdn.consentmanager.net lacks integrity attribute (Security)

    → Reduced attack surface for visitors

  • https://www.encyclopedia.com/: 400ms CPU time (Performance)

    → Page loads faster for users

…and 6 more resolved issue(s)

Recommended next steps (79)

  • Sprint 1

    Page weighs 11.9 MB (4.0 MB transferred) (Performance)

  • Sprint 2

    No Content-Security-Policy header found (Security)

  • Sprint 2

    Content-Security-Policy header is missing (Security)

  • Sprint 1

    No <main> landmark found (Accessibility)

  • Sprint 1

    Broken link: http://nieman.harvard.edu/wp-content/uploads/pod-assets/m... (Content)

  • Sprint 1

    HTTP link loaded on HTTPS page (Content)

  • Sprint 1

    Viewport prevents user zooming (Compliance)

  • Sprint 1

    Both www and non-www versions serve content (Infrastructure)

  • Sprint 1

    No H1 heading found (Accessibility)

  • Sprint 2

    5 control(s) without accessible label (Accessibility)

  • Sprint 1

    1 link(s) with no accessible text (Accessibility)

  • Sprint 1

    HSTS header is missing (Security)

  • Sprint 1

    2 button(s) with no accessible text (Accessibility)

  • Sprint 1

    https://ib.3lift.com/static/buttons/edaa/OBA_TRANS... is missing width/height — may cause layout shift (Performance)

  • Sprint 1

    Sitemap appears abandoned -- newest lastmod is 7 years ago (SEO)

…and 64 more recommended item(s)

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