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Changes

https://boeing.com
Compared to previous audit · 11 weeks ago View previous audit

Madrid, Spain → Amsterdam, Netherlands

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

37
New issues
26
Resolved
24
score changes
CategoryPreviousCurrentChange
CompositeC (70)C (79) +9.000
PerformanceD (69)C (74) +5.000
SecurityD (69)B (83) +14.000
AccessibilityF (41)C (70) +29.000
SEOA (91)A (94) +3.000
InfrastructureB (85)B (83) -2.000
ComplianceB (85)C (78) -7.000
ContentB (82)B (85) +3.000
SustainabilityF (54)D (60) +6.000
MetricPreviousCurrentChange
Performance 34004000 +600
Accessibility 91009100—
Best Practices 1000010000—
SEO 77007700—
PWA 00—
Desktop Performance 59006400 +500
Desktop Accessibility 87008700—
Desktop Best Practices 1000010000—
Desktop SEO 77007700—
FCP 2.52 s2.46 s -59 ms
LCP 58.64 s52.91 s -5.73 s
TBT 2.36 s824 ms -1.54 s
CLS 0.0650.097 +0.031
Desktop FCP 866 ms754 ms -111 ms
Desktop LCP 8.81 s7.75 s -1.06 s
Desktop TBT 178 ms34 ms -144 ms
Desktop CLS 0.0870.119 +0.032
TTFB †617 ms598 ms -18 ms
DNS †149 ms120 ms -29 ms
TLS †311 ms318 ms +7 ms
Connect †1 ms1 ms -0 ms
Total †617 ms599 ms -18 ms

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

Projected vs. Actual

Previous
C 70
Projected
A 94
Actual
C 79
Fell short of projection
26 issues resolved since last audit
71 issues remaining
Resolving remaining issues could reach A+

Estimate — actual results may vary

CRITICAL 3.92g CO2 per page view sustainability
CRITICAL Page weighs 18.7 MB (13.8 MB transferred) performance
WARNING 3.92g CO2 — above the median website (0.60g) sustainability
WARNING 116 HTTP requests — consider bundling or reducing performance
WARNING 30 link(s) open in a new tab without rel=noopener security
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-T6N...: 647ms CPU time performance
WARNING 1 render-blocking <script src> tag(s) without async/defer performance
WARNING 1 `@font-face` rule(s) without `font-display` -- causes FOIT performance
WARNING Third-party code accounts for 100% of page weight (13.8 MiB of 13.8 MiB) performance
WARNING https://players.brightcove.net/800000612001/zgcyiK...: 1832ms CPU time performance
WARNING Page weight 13.8 MB exceeds 1 MB target by 12.8 MB performance
WARNING https://www.boeing.com/etc.clientlibs/theboeingcom...: 42 KB unused (67%) performance
WARNING 2 images significantly larger than display size content
WARNING All 73 images use legacy formats (JPEG/PNG/GIF) content
WARNING 7 images missing alt text content
WARNING Multiple H1 headings (8 found) accessibility
WARNING Unattributable: 1088ms CPU time performance
WARNING 5 render-blocking stylesheet(s) -- recommended: <=3 performance
WARNING 34 link(s) open in new tab without warning accessibility
WARNING https://www.boeing.com/: 1279ms CPU time performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-T6N...: 78 KB unused (43%) performance
WARNING Domain expires in 50 days infrastructure
WARNING 1 above-fold image(s) marked loading="lazy" (LCP anti-pattern) content
WARNING Third-party scripts: 5070ms (82% of total) performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-MH9...: 60 KB unused (42%) performance
WARNING Heading level skipped: H1 → H3 (missing H2) accessibility
WARNING Total image weight: 5872 KB (5.7 MB) content
WARNING DNS resolution is slow (368 ms) infrastructure
WARNING 19 images missing explicit width/height content
WARNING SRI adoption: 1/6 third-party resources protected (16%) security
WARNING JavaScript is 987 KB — consider code splitting or lazy loading performance
WARNING Permissions-Policy header not set -- features default to allow-on-same-origin security
WARNING 2 link(s) with generic text accessibility
WARNING Images are 7.4 MB — compress or use modern formats performance
WARNING 115 third-party resources (100% of weight) performance
WARNING Total JS execution time is 6.2 s -- over the 3.5s budget performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-MH9...: 451ms CPU time performance
CRITICAL Page weighs 18.5 MB (13.7 MB transferred) performance
CRITICAL 3.88g CO2 per page view sustainability
CRITICAL Broken link: https://services.boeing.com/ content
CRITICAL Broken link: https://services.boeing.com content
WARNING https://www.boeing.com/etc.clientlibs/theboeingcom...: 41 KB unused (66%) performance
WARNING DNS resolution is slow (591 ms) infrastructure
WARNING Images are 7.3 MB — compress or use modern formats performance
WARNING 31 link(s) open in new tab without warning accessibility
WARNING Unattributable: 1665ms CPU time performance
WARNING Page weight 13.7 MB exceeds 1 MB target by 12.7 MB performance
WARNING Third-party scripts: 9165ms (85% of total) performance
WARNING 3.88g CO2 — above the median website (0.60g) sustainability
WARNING Multiple H1 headings (7 found) accessibility
WARNING 107 third-party resources (100% of weight) performance
WARNING https://www.boeing.com/: 1977ms CPU time performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-T6N...: 968ms CPU time performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-T6N...: 77 KB unused (42%) performance
WARNING Third-party code accounts for 100% of page weight (13.7 MiB of 13.7 MiB) performance
WARNING 157 of 159 links are healthy content
WARNING JavaScript is 981 KB — consider code splitting or lazy loading performance
WARNING No meta description tag found seo
WARNING 108 HTTP requests — consider bundling or reducing performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-MH9...: 682ms CPU time performance
WARNING https://players.brightcove.net/800000612001/zgcyiK...: 3672ms CPU time performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-MH9...: 62 KB unused (44%) performance
WARNING Domain expires in 49 days infrastructure
CRITICAL Content-Security-Policy header is missing security
CRITICAL HSTS header is missing security
CRITICAL No Content-Security-Policy header found security
CRITICAL 3 control(s) without accessible label accessibility
CRITICAL 1 button(s) with no accessible text accessibility
CRITICAL 7 image(s) missing alt attribute accessibility
CRITICAL Both www and non-www versions serve content infrastructure
CRITICAL No <main> landmark found accessibility
WARNING https://players.brightcove.net/800000612001/zgcyiK...: 129 KB unused (44%) performance
WARNING Registrar lock is NOT enabled infrastructure
WARNING Missing og:image content
WARNING Cross-Origin-Opener-Policy header is missing security
WARNING 3 of 3 <nav> elements are unlabeled accessibility
WARNING Heading level skipped: H3 → H6 (missing H4) accessibility
WARNING X-Content-Type-Options header is missing security
WARNING No Permissions-Policy header security
WARNING 2 heading(s) are over 120 characters -- likely a misformatted paragraph accessibility
WARNING Heading level skipped: H1 → H6 (missing H2) accessibility
WARNING Permissions-Policy header is missing security
WARNING External script from www.googletagmanager.com lacks integrity attribute security
WARNING External script from cdn.cookielaw.org lacks integrity attribute security
WARNING https://cdn.cookielaw.org/scripttemplates/202510.2...: 66 KB unused (53%) performance
WARNING Server header reveals version information security
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING Heading level skipped: H4 → H6 (missing H5) accessibility
WARNING https://www.boeing.com/etc.clientlibs/theboeingcom...: unminified — 19 KB could be saved performance
WARNING X-Frame-Options header is missing security
WARNING External script from players.brightcove.net lacks integrity attribute security
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING https://www.boeing.com/content/experience-fragment... is missing width/height — may cause layout shift performance
WARNING Heading level skipped: H2 → H5 (missing H3) accessibility
WARNING Canonical does not match final URL (https://www.boeing.com:443/) seo
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING Referrer-Policy header is missing security

HTTP headers unchanged

4 headers unchanged

Technology stack unchanged

13 technologies unchanged

Looking ahead

+19 pts
C (79) Could reach A+ (98)
Accessibility +30Performance +26Infrastructure +17Security +17Content +15Sustainability +14Compliance +4SEO +4

Estimate — actual results may vary (71 issues to fix)

Website improvement report — Boeing

April 21, 2026 → July 13, 2026

C C 70 → 79 +9 pts

26

Resolved

37

New issues

34

Still remaining

Financial summary

Investment delivered

$6,425 in development time

Investment remaining

$11,717 to complete the remaining items

Ongoing risk

$3/month in ongoing exposure

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

Performance by category

MetricBeforeAfterChange
Overall score70 (C)79 (C)+9
Performance69 (D)74 (C)+5
Security69 (D)83 (B)+14
Accessibility41 (F)70 (C)+29
SEO91 (A)94 (A)+3
Infrastructure85 (B)83 (B)-2
Compliance85 (B)78 (C)-7
Content82 (B)85 (B)+3
Sustainability54 (F)60 (D)+6

Resolved (26)

  • https://www.boeing.com/etc.clientlibs/theboeingcom...: 41 KB unused (66%) (Performance)

    → Page loads faster for users

  • DNS resolution is slow (591 ms) (Infrastructure)

    → More reliable delivery

  • Images are 7.3 MB — compress or use modern formats (Performance)

    → Page loads faster for users

  • 31 link(s) open in new tab without warning (Accessibility)

    → Improved usability for assistive technology users

  • Unattributable: 1665ms CPU time (Performance)

    → Page loads faster for users

  • Page weighs 18.5 MB (13.7 MB transferred) (Performance)

    → Page loads faster for users

  • Page weight 13.7 MB exceeds 1 MB target by 12.7 MB (Performance)

    → Page loads faster for users

  • Third-party scripts: 9165ms (85% of total) (Performance)

    → Page loads faster for users

  • 3.88g CO2 — above the median website (0.60g) (Sustainability)

    → Lower carbon footprint per page view

  • Multiple H1 headings (7 found) (Accessibility)

    → Improved usability for assistive technology users

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

    → Page loads faster for users

  • https://www.boeing.com/: 1977ms CPU time (Performance)

    → Page loads faster for users

  • https://www.googletagmanager.com/gtm.js?id=GTM-T6N...: 968ms CPU time (Performance)

    → Page loads faster for users

  • https://www.googletagmanager.com/gtm.js?id=GTM-T6N...: 77 KB unused (42%) (Performance)

    → Page loads faster for users

  • Third-party code accounts for 100% of page weight (13.7 MiB of 13.7 MiB) (Performance)

    → Page loads faster for users

…and 11 more resolved issue(s)

Recommended next steps (71)

  • Sprint 1

    3.92g CO2 per page view (Sustainability)

  • Sprint 1

    Page weighs 18.7 MB (13.8 MB transferred) (Performance)

  • Sprint 2

    Content-Security-Policy header is missing (Security)

  • Sprint 1

    HSTS header is missing (Security)

  • Sprint 2

    No Content-Security-Policy header found (Security)

  • Sprint 2

    3 control(s) without accessible label (Accessibility)

  • Sprint 1

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

  • Sprint 2

    7 image(s) missing alt attribute (Accessibility)

  • Sprint 1

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

  • Sprint 1

    No <main> landmark found (Accessibility)

  • Sprint 2

    3.92g CO2 — above the median website (0.60g) (Sustainability)

  • Sprint 2

    116 HTTP requests — consider bundling or reducing (Performance)

  • Sprint 1

    30 link(s) open in a new tab without rel=noopener (Security)

  • Sprint 1

    https://www.googletagmanager.com/gtm.js?id=GTM-T6N...: 647ms CPU time (Performance)

  • Sprint 2

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

…and 56 more recommended item(s)

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