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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
67
GRADE
D
FIX
6
REVIEW
1
PASS
8
INFO
2

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
52
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
97
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

2.84 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

35.73 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

441 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.017

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

7.73 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

36.54 s

Page Load Progression

445 ms
890 ms
1.3 s
1.8 s
2.2 s
2.7 s
3.1 s
3.6 s
Checks
17
8 PASS 1 REVIEW 6 FIX
F
Page Weight Budget
Action
9.1 MB transferred, 98 requests
FIX
9.1 MB transferred, 98 requests
Critical::
Page weighs 13.2 MB (9.1 MB transferred)
Warning::
Images are 3.9 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 3.9 MB
Info::
Fonts are 3.7 MB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 3.7 MB
Warning::
JavaScript is 1.1 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.1 MB
Info::
98 HTTP requests
Info::
Estimated 1.9 g CO2 per page load
9.1 MB / 2.4 MB budget
9.1 MB transferred
98 requests
1.9 g CO2 per page load
Images 3.9 MiB 43%
Fonts 3.7 MiB 41%
JavaScript 1.1 MiB 12%
Other 234.3 KiB 3%
CSS 110.0 KiB 1%
HTML 75.8 KiB 1%
Other 5.7 KiB 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

Source: web.dev

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (9.1 MiB of 9.1 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
4124ms total JS execution
FIX
4124ms total JS execution
Warning::
https://www.gatesfoundation.org/: 2257ms CPU time
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 518ms CPU time
Warning::
https://www.gatesfoundation.org/Areas/GFO/assets/j...: 492ms CPU time
Warning::
Unattributable: 436ms CPU time
Info::
https://www.gatesfoundation.org/Areas/GFO/assets/j...: 215ms CPU time
Warning::
Third-party scripts: 4124ms (100% of total)

Main Thread Breakdown

Script Evaluation 44% Other 22% Style & Layout 16% Rendering 8% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://www.gatesfoundation.org/2257ms1013ms18ms3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js518ms414ms80ms3rd
https://www.gatesfoundation.org/Areas/GFO/assets/js/libraries-generated.js?v=bfae96857aff7eec6d2db67b0638233e72f1b687492ms43ms82ms3rd
Unattributable436ms6ms0ms3rd
https://www.gatesfoundation.org/Areas/GFO/assets/js/index-generated.js?v=bfae96857aff7eec6d2db67b0638233e72f1b687215ms170ms19ms3rd
https://js-agent.newrelic.com/nr-spa-1.313.1.min.js206ms168ms12ms3rd
F
JS Bundles
Action
17 scripts, 860 KB unused
FIX
17 scripts, 860 KB unused
Warning::
https://www.gatesfoundation.org/Areas/GFO/assets/j...: 187 KB unused (65%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 162 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 162 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 162 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 162 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 860 KB
860 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.gatesfoundation.org/Areas/GFO/assets/js/libraries-generated.js?v=bfae96857aff7eec6d2db67b0638233e72f1b687287 KB187 KB (65%)✓3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js362 KB162 KB (45%)✓3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js0 KB162 KB (45%)✓3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js0 KB162 KB (45%)✓3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js362 KB162 KB (45%)✓3rd
https://www.gatesfoundation.org/Areas/GFO/assets/js/index-generated.js?v=bfae96857aff7eec6d2db67b0638233e72f1b68747 KB26 KB (55%)✓3rd
https://www.gatesfoundation.org/assets/js/email-signup-generated.js?v=bfae96857aff7eec6d2db67b0638233e72f1b6875 KB—✓3rd
https://www.gatesfoundation.org/assets/js/text-over-carousel-generated.js?v=bfae96857aff7eec6d2db67b0638233e72f1b6872 KB—✓3rd
https://www.gatesfoundation.org/assets/js/tabbed-content-carousel-generated.js?v=bfae96857aff7eec6d2db67b0638233e72f1b6871 KB—✓3rd
https://www.gatesfoundation.org/assets/js/half-gate-hero-generated.js?v=bfae96857aff7eec6d2db67b0638233e72f1b6872 KB—✓3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

F
Page Weight Inventory
Action
98 resources · 9.1 MB · 860 KB savings available
FIX
98 resources · 9.1 MB · 860 KB savings available
Warning::
Page weight 8.1 MB over 1MB target
Got: 9.1 MB Expected: ≤ 1 MB
Info::
~860 KB of savings available
Warning::
97 third-party resources (100% of weight)
Info::
5 resources over 200KB
98 resources · 9.1 MiB · 97 third-party 8.1 MiB over 1MB target
Image 43% · 3.9 MiB
Font 41% · 3.7 MiB
JavaScript 14% · 1.3 MiB
CSS 1% · 110.0 KiB
Document 1% · 75.8 KiB
Other 0% · 4.6 KiB

~860.3 KiB of savings available

Remove unused JavaScript: 860.3 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

C
Image Optimization
Action
33 images, 0 KB saveable
REVIEW
33 images, 0 KB saveable
Warning::
https://www.gatesfoundation.org/-/media/gfo/2home/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.gatesfoundation.org/-/media/logos/gf-p... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.gatesfoundation.org/-/media/gfo/2home/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.gatesfoundation.org/-/media/gfo/2home/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.gatesfoundation.org/-/media/logos/gf-p... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
33 images 3.9 MB
0 oversized -0 KB
27 legacy format
5 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A+
Font Loading
28 fonts (3775 KB)
PASS
28 fonts (3775 KB)
Info::
28 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

28

3775 KB total

Render-blocking

0

of 28

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s 18.0 s 20.0 s 22.0 s 24.0 s 26.0 s 28.0 s 30.0 s 32.0 s 34.0 s 36.0 s FCP 2.8 s LCP 35.7 shttps://www.gatesfoundation.org/assets/fonts/NotoSerifDisplay-Medium.woff2NotoSerifDisplay-Medium... https://www.gatesfoundation.org/assets/fonts/NotoSerifDisplay-Medium.woff2 — 129.4 KiB — 86 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-BoldItalic.woff2NotoSerif-BoldItalic.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSerif-BoldItalic.woff2 — 26.3 KiB — 84 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-Bold.woff2NotoSerif-Bold.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSerif-Bold.woff2 — 23.6 KiB — 84 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-MediumItalic.woff2NotoSerif-MediumItalic.... https://www.gatesfoundation.org/assets/fonts/NotoSerif-MediumItalic.woff2 — 141.4 KiB — 90 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-bold.woff2NotoSerif-bold.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSerif-bold.woff2 — 23.7 KiB — 88 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-SemiBoldItalic.woff2NotoSerif-SemiBoldItali... https://www.gatesfoundation.org/assets/fonts/NotoSerif-SemiBoldItalic.woff2 — 141.7 KiB — 97 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-SemiBold.woff2NotoSerif-SemiBold.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSerif-SemiBold.woff2 — 128.5 KiB — 94 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-Medium.woff2NotoSerif-Medium.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSerif-Medium.woff2 — 128.6 KiB — 97 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-Italic.woff2NotoSerif-Italic.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSerif-Italic.woff2 — 133.7 KiB — 101 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-Regular.woff2NotoSerif-Regular.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSerif-Regular.woff2 — 123.0 KiB — 102 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-LightItalic.woff2NotoSerif-LightItalic.w... https://www.gatesfoundation.org/assets/fonts/NotoSerif-LightItalic.woff2 — 145.2 KiB — 109 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-Light.woff2NotoSerif-Light.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSerif-Light.woff2 — 133.5 KiB — 113 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-Condensed-LightItalic.woff2NotoSerif-Condensed-Lig... https://www.gatesfoundation.org/assets/fonts/NotoSerif-Condensed-LightItalic.woff2 — 195.8 KiB — 114 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSerif-Condensed-Light.woff2NotoSerif-Condensed-Lig... https://www.gatesfoundation.org/assets/fonts/NotoSerif-Condensed-Light.woff2 — 173.7 KiB — 118 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-ExtraCondensed-BlackItalic.woff2NotoSans-ExtraCondensed... https://www.gatesfoundation.org/assets/fonts/NotoSans-ExtraCondensed-BlackItalic.woff2 — 199.7 KiB — 121 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-ExtraCondensed-Black.woff2NotoSans-ExtraCondensed... https://www.gatesfoundation.org/assets/fonts/NotoSans-ExtraCondensed-Black.woff2 — 193.9 KiB — 126 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedBoldItalic.woff2NotoSans-CondensedBoldI... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedBoldItalic.woff2 — 172.9 KiB — 133 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedBold.woff2NotoSans-CondensedBold.... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedBold.woff2 — 167.7 KiB — 135 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedSemiBoldItalic.woff2NotoSans-CondensedSemiB... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedSemiBoldItalic.woff2 — 173.3 KiB — 136 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedSemiBold.woff2NotoSans-CondensedSemiB... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedSemiBold.woff2 — 167.3 KiB — 143 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedMediumItalic.woff2NotoSans-CondensedMediu... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedMediumItalic.woff2 — 173.0 KiB — 145 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedMedium.woff2NotoSans-CondensedMediu... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedMedium.woff2 — 167.1 KiB — 148 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedItalic.woff2NotoSans-CondensedItali... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedItalic.woff2 — 172.6 KiB — 153 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-Condensed.woff2NotoSans-Condensed.woff2 https://www.gatesfoundation.org/assets/fonts/NotoSans-Condensed.woff2 — 167.5 KiB — 163 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedLightItalic.woff2NotoSans-CondensedLight... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedLightItalic.woff2 — 170.6 KiB — 163 ms — font-display: swaphttps://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedLight.woff2NotoSans-CondensedLight... https://www.gatesfoundation.org/assets/fonts/NotoSans-CondensedLight.woff2 — 166.8 KiB — 163 ms — font-display: swaphttps://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 33.9 KiB — 79 ms — font-display: swaphttps://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 0 B — 0 ms — font-display: swap
NotoSerifDisplay-Medium... woff2 swap
Size 129 KB
Load time 86 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-BoldItalic.woff2 woff2 swap
Size 26 KB
Load time 84 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
NotoSerif-Bold.woff2 woff2 swap
Size 24 KB
Load time 84 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
NotoSerif-MediumItalic.... woff2 swap
Size 141 KB
Load time 90 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-bold.woff2 woff2 swap
Size 24 KB
Load time 88 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
NotoSerif-SemiBoldItali... woff2 swap
Size 142 KB
Load time 97 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-SemiBold.woff2 woff2 swap
Size 129 KB
Load time 94 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-Medium.woff2 woff2 swap
Size 129 KB
Load time 97 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-Italic.woff2 woff2 swap
Size 134 KB
Load time 101 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-Regular.woff2 woff2 swap
Size 123 KB
Load time 102 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-LightItalic.w... woff2 swap
Size 145 KB
Load time 109 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-Light.woff2 woff2 swap
Size 133 KB
Load time 113 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-Condensed-Lig... woff2 swap
Size 196 KB
Load time 114 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSerif-Condensed-Lig... woff2 swap
Size 174 KB
Load time 118 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-ExtraCondensed... woff2 swap
Size 200 KB
Load time 121 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-ExtraCondensed... woff2 swap
Size 194 KB
Load time 126 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedBoldI... woff2 swap
Size 173 KB
Load time 133 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedBold.... woff2 swap
Size 168 KB
Load time 135 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedSemiB... woff2 swap
Size 173 KB
Load time 136 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedSemiB... woff2 swap
Size 167 KB
Load time 143 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedMediu... woff2 swap
Size 173 KB
Load time 145 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedMediu... woff2 swap
Size 167 KB
Load time 148 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedItali... woff2 swap
Size 173 KB
Load time 153 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-Condensed.woff2 woff2 swap
Size 168 KB
Load time 163 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedLight... woff2 swap
Size 171 KB
Load time 163 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-CondensedLight... woff2 swap
Size 167 KB
Load time 163 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 34 KB
Load time 79 ms
Start 2.3 s
Risk FOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 0 KB
Load time 0 ms
Start 3.0 s
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)

Fixing the unchecked items could save ~1833 KB and ~3666 ms

A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
28 hints, 0 missing preconnects
PASS
28 hints, 0 missing preconnects
Info::
Page uses 28 resource hint(s)

Current Resource Hints

preconnect
—
preload
+17
27
dns-prefetch
—
prefetch
1

28 resource hints configured

A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
98 requests over 3174ms
INFO
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https://www.google.com/recaptcha/api2/bframe?hl=en&v=gTpTIWhbKpxADzTzkcabhXN4&k=6Lf3sOIqAAAAAOCgs_XQ-rJNeZpBP4s-bBV-pvC8&bft=0dAFcWeA6cqsC1uJ6lPsranNkaUhMFkGaz5zw5jypF-ATu1MSGQV0eR9Z9Kcsps7PhCIKAX_sgpNzBiryB6oxrOhyQt-k0rqALYw&ca=false — 200 — 2.2 KiB — 28 ms — h3https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/styles__ltr.csswww.gstatic.com/recaptcha/releases/... https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/styles__ltr.css — 200 — 0 B — 0 ms — h2https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.jswww.gstatic.com/recaptcha/releases/... https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js — 200 — 0 B — 0 ms — h2https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2fonts.gstatic.com/s/roboto/v48/KFO7... https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 200 — 0 B — 0 ms — h3https://www.google.com/recaptcha/api2/reload?k=6Lf3sOIqAAAAAOCgs_XQ-rJNeZpBP4s-bBV-pvC8www.google.com/recaptcha/api2/reloa... https://www.google.com/recaptcha/api2/reload?k=6Lf3sOIqAAAAAOCgs_XQ-rJNeZpBP4s-bBV-pvC8 — 200 — 3.7 KiB — 60 ms — h3https://www.gstatic.com/recaptcha/api2/refresh_2x.pngwww.gstatic.com/recaptcha/api2/refr... https://www.gstatic.com/recaptcha/api2/refresh_2x.png — 200 — 624 B — 26 ms — h3https://www.gstatic.com/recaptcha/api2/audio_2x.pngwww.gstatic.com/recaptcha/api2/audi... https://www.gstatic.com/recaptcha/api2/audio_2x.png — 200 — 554 B — 28 ms — h3https://www.gstatic.com/recaptcha/api2/info_2x.pngwww.gstatic.com/recaptcha/api2/info... https://www.gstatic.com/recaptcha/api2/info_2x.png — 200 — 689 B — 27 ms — h3https://www.google.com/recaptcha/api2/payload?p=06AFcWeA5lMV7dDQEG4nfOy4-6YE9JdTN3PmESETFuEP9ZXzYKTu2gSUue82c-8p_uZvCGgGy6GPamYWmAPH9vCaTGQka3nXIQWLociauqvS1iDf_SX5SWwp9QA_bNfyZk9GGrTKs8951gsmsPhnEpWuawI1nNSSAX2_oXIJeGH3p2sSk_miLk2oPSvPpGQzLCMCbcHA2Kx_odx_Qxev4bhTs3trK8Mshosw&k=6Lf3sOIqAAAAAOCgs_XQ-rJNeZpBP4s-bBV-pvC8www.google.com/recaptcha/api2/paylo... https://www.google.com/recaptcha/api2/payload?p=06AFcWeA5lMV7dDQEG4nfOy4-6YE9JdTN3PmESETFuEP9ZXzYKTu2gSUue82c-8p_uZvCGgGy6GPamYWmAPH9vCaTGQka3nXIQWLociauqvS1iDf_SX5SWwp9QA_bNfyZk9GGrTKs8951gsmsPhnEpWuawI1nNSSAX2_oXIJeGH3p2sSk_miLk2oPSvPpGQzLCMCbcHA2Kx_odx_Qxev4bhTs3trK8Mshosw&k=6Lf3sOIqAAAAAOCgs_XQ-rJNeZpBP4s-bBV-pvC8 — 200 — 55.7 KiB — 37 ms — h3
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 4124ms · 410KB · €27/mo
www.gatesfoundation.org
Other
Costly
Execution 2257ms
Transfer 46 KB
Monthly Cost €15/mo
www.gstatic.com
Other
Costly
Execution 518ms
Transfer 0 KB
Unused 45%
Monthly Cost €3/mo
www.gatesfoundation.org
Other
Costly
Execution 492ms
Transfer 287 KB
Unused 65%
Monthly Cost €3/mo
Unattributable
Other
Costly
Execution 436ms
Transfer 0 KB
Monthly Cost €3/mo
www.gatesfoundation.org
Other
Costly
Execution 215ms
Transfer 47 KB
Unused 55%
Monthly Cost €1/mo
js-agent.newrelic.com
Other
Costly
Execution 206ms
Transfer 30 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.gatesfoundation.org adds 2257ms and costs ~€15/month
  • www.gstatic.com adds 518ms and costs ~€3/month
  • www.gatesfoundation.org adds 492ms and costs ~€3/month
  • Unattributable adds 436ms and costs ~€3/month
  • www.gatesfoundation.org adds 215ms and costs ~€1/month
  • js-agent.newrelic.com adds 206ms and costs ~€1/month

100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.

Learn more ▾

Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.

Source: web.dev

www.gatesfoundation.org takes 2257ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

www.gstatic.com takes 518ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

www.gatesfoundation.org takes 492ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

65% of www.gatesfoundation.org's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

Unattributable takes 436ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

www.gatesfoundation.org takes 215ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

55% of www.gatesfoundation.org's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

js-agent.newrelic.com takes 206ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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