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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
84
GRADE
B
FIX
1
REVIEW
3
PASS
9
INFO
2

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

Mobile Desktop
92
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
92
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
85
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.

970 ms

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

1.71 s

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

0 ms

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

0.010

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

970 ms

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

1.74 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
15
9 PASS 3 REVIEW 1 FIX
F
Page Weight Budget
Action
3.0 MB transferred, 69 requests
FIX
3.0 MB transferred, 69 requests
Warning::
Page weighs 3.8 MB (3.0 MB transferred)
Warning::
Images are 2.2 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 2.2 MB
Info::
Fonts are 457 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 457 KB
Info::
69 HTTP requests
Info::
Estimated 0.62 g CO2 per page load
3.0 MB / 2.4 MB budget
3.0 MB transferred
69 requests
0.62 g CO2 per page load
Images 2.2 MiB 73%
Fonts 457.4 KiB 15%
JavaScript 237.3 KiB 8%
CSS 86.4 KiB 3%
HTML 21.4 KiB 1%
Other 9.0 KiB 0%
Other 2.2 KiB 0%
Other 1.0 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

C
Image Optimization
Action
28 images, 0 KB saveable
REVIEW
28 images, 0 KB saveable
Warning::
https://fpf.org/wp-content/themes/fpf/img/logo-foo... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://fpf.org/wp-content/themes/fpf/img/logo.svg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
28 images 2.2 MB
0 oversized -0 KB
28 legacy format
2 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

B
JS Bundles
12 scripts, 66 KB unused
REVIEW
12 scripts, 66 KB unused
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-T3K...: 66 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 66 KB
66 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtm.js?id=GTM-T3KLDF7129 KB66 KB (51%)✓3rd
https://cdn-cookieyes.com/client_data/f130066eff26df77ca6c4fe2/script.js9 KB—✓3rd
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js?ver=3.4.131 KB—✓3rd
https://fpf.org/wp-content/themes/fpf/assets/js/fpf-facet-labels.js?ver=6.9.41 KB—✓1st
https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.js?ver=6.9.423 KB—✓3rd
https://fpf.org/wp-content/plugins/accordion-blocks/js/accordion-blocks.min.js?ver=1.5.01 KB—✓1st
https://fpf.org/wp-content/themes/fpf/js/script.js?ver=1.0.73 KB—✓1st
https://cdn-cookieyes.com/client_data/f130066eff26df77ca6c4fe2/banner.js8 KB—✓3rd
https://fpf.org/wp-content/uploads/matomo/matomo.js26 KB—✓1st
blob:https://fpf.org/def2eac5-9413-4e99-a2d1-47597309f145-0 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

C
Page Weight Inventory
Action
69 resources · 3.0 MB · 66 KB savings available
REVIEW
69 resources · 3.0 MB · 66 KB savings available
Warning::
Page weight 2.0 MB over 1MB target
Got: 3.0 MB Expected: ≤ 1 MB
Info::
~66 KB of savings available
Info::
21 third-party resources (17% of weight)
Info::
3 resources over 200KB
69 resources · 3.0 MiB · 21 third-party 2.0 MiB over 1MB target
Image 73% · 2.2 MiB
Font 15% · 457.4 KiB
JavaScript 8% · 237.3 KiB
CSS 3% · 86.4 KiB
Document 1% · 21.4 KiB
Other 0% · 10.1 KiB

~66.0 KiB of savings available

Remove unused JavaScript: 66.0 KiB
A+
Third-Party Impact
17% third-party, 0 ms blocking
PASS
17% third-party, 0 ms blocking
Info::
Third-party code accounts for 17% of page weight (505.6 KiB of 3.0 MiB)
Info::
Third-party blocking time is low (0 ms)
83%
17%
First-party Third-party
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+
JS Execution Cost
321ms total JS execution
PASS
321ms total JS execution
Info::
https://fpf.org/: 130ms CPU time
Info::
Unattributable: 120ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-T3K...: 71ms CPU time
Warning::
Third-party scripts: 191ms (59% of total)

Main Thread Breakdown

Script Evaluation 31% Other 30% Style & Layout 23% Parse HTML & CSS 6% Script Parsing & Compilation 6%
ScriptTotalScriptingParse/CompileParty
https://fpf.org/130ms5ms1ms1st
Unattributable120ms5ms0ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-T3KLDF771ms56ms13ms3rd
A+
Font Loading
6 fonts (457 KB)
PASS
6 fonts (457 KB)
Info::
6 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

6

457 KB total

Render-blocking

0

of 6

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s FCP 970 ms LCP 1.7 shttps://fpf.org/wp-content/themes/fpf/fonts/ProximaNova-Bold.woffProximaNova-Bold.woff https://fpf.org/wp-content/themes/fpf/fonts/ProximaNova-Bold.woff — 51.3 KiB — 46 ms — font-display: swaphttps://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-solid-900.woff2fa-solid-900.woff2 https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-solid-900.woff2 — 153.4 KiB — 43 ms — font-display: swaphttps://fpf.org/wp-content/themes/fpf/fonts/ProximaNova-Extrabld.woffProximaNova-Extrabld.woff https://fpf.org/wp-content/themes/fpf/fonts/ProximaNova-Extrabld.woff — 51.0 KiB — 32 ms — font-display: swaphttps://fpf.org/wp-content/themes/fpf/fonts/ProximaNova-Regular.woffProximaNova-Regular.woff https://fpf.org/wp-content/themes/fpf/fonts/ProximaNova-Regular.woff — 51.7 KiB — 38 ms — font-display: swaphttps://fpf.org/wp-content/themes/fpf/fonts/ProximaNova-Bold.woff2ProximaNova-Bold.woff2 https://fpf.org/wp-content/themes/fpf/fonts/ProximaNova-Bold.woff2 — 34.2 KiB — 34 ms — font-display: swaphttps://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-brands-400.woff2fa-brands-400.woff2 https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-brands-400.woff2 — 115.7 KiB — 19 ms — font-display: swap
ProximaNova-Bold.woff woff swap
Size 51 KB
Load time 46 ms
Start 234 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
fa-solid-900.woff2 woff2 swap
Size 153 KB
Load time 43 ms
Start 235 ms
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
ProximaNova-Extrabld.woff woff swap
Size 51 KB
Load time 32 ms
Start 240 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
ProximaNova-Regular.woff woff swap
Size 52 KB
Load time 38 ms
Start 240 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
ProximaNova-Bold.woff2 woff2 swap
Size 34 KB
Load time 34 ms
Start 240 ms
Risk FOUT — text flashes from fallback to web font
fa-brands-400.woff2 woff2 swap
Size 116 KB
Load time 19 ms
Start 308 ms
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
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 ~181 KB and ~362 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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
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

A
HTTP Caching
max-age=604800 (1 week)
PASS
max-age=604800 (1 week)
Info::
Cache-Control header is set
Got: public, max-age=604800
Info::
Effective TTL: 1 week (max-age=604800)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

public, max-age=604800

DirectiveValueMeaning
public—Any cache may store this response
max-age604800Cache for 1 week
Effective TTL: 604800 seconds
Network Waterfall
69 requests over 1190ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 970 ms LCP 1.7 shttps://fpf.org// https://fpf.org/ — 200 — 21.4 KiB — 43 ms — h2https://cdn-cookieyes.com/client_data/f130066eff26df77ca6c4fe2/script.jscdn-cookieyes.com/client_data/f1300... https://cdn-cookieyes.com/client_data/f130066eff26df77ca6c4fe2/script.js — 200 — 8.7 KiB — 48 ms — h2https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.css?ver=1776851930/wp-content/themes/fpf/page-blocks/... https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.css?ver=1776851930 — 200 — 3.1 KiB — 36 ms — h2https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.reset.css?ver=1776851930/wp-content/themes/fpf/page-blocks/... https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.reset.css?ver=1776851930 — 200 — 708 B — 39 ms — h2https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.system.css?ver=1776851930/wp-content/themes/fpf/page-blocks/... https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.system.css?ver=1776851930 — 200 — 1.1 KiB — 28 ms — h2https://fpf.org/wp-content/plugins/accordion-blocks/build/index.css?ver=1.5.0/wp-content/plugins/accordion-block... https://fpf.org/wp-content/plugins/accordion-blocks/build/index.css?ver=1.5.0 — 200 — 996 B — 51 ms — h2https://use.typekit.net/kxf6fpd.css?ver=6.9.4use.typekit.net/kxf6fpd.css?ver=6.9... https://use.typekit.net/kxf6fpd.css?ver=6.9.4 — 200 — 1.2 KiB — 22 ms — h2https://fpf.org/wp-content/themes/fpf/css/addition/addition.css?ver=1.0.2/wp-content/themes/fpf/css/addition... https://fpf.org/wp-content/themes/fpf/css/addition/addition.css?ver=1.0.2 — 200 — 24.5 KiB — 51 ms — h2https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.csscdn.jsdelivr.net/gh/fancyapps/fancy... https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.css — 200 — 3.7 KiB — 40 ms — h2https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.csscdnjs.cloudflare.com/ajax/libs/font... https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css — 200 — 19.1 KiB — 77 ms — h3https://fpf.org/wp-content/themes/fpf/css/style.css?ver=6.3.6/wp-content/themes/fpf/css/style.cs... https://fpf.org/wp-content/themes/fpf/css/style.css?ver=6.3.6 — 200 — 19.5 KiB — 36 ms — h2https://fpf.org/wp-content/themes/fpf/style.css?ver=1.8.5/wp-content/themes/fpf/style.css?ve... https://fpf.org/wp-content/themes/fpf/style.css?ver=1.8.5 — 200 — 1.4 KiB — 29 ms — h2https://fpf.org/wp-content/themes/fpf/css/ai-landing-page.css?ver=1.0.0/wp-content/themes/fpf/css/ai-landi... https://fpf.org/wp-content/themes/fpf/css/ai-landing-page.css?ver=1.0.0 — 200 — 4.6 KiB — 27 ms — h2https://fpf.org/wp-content/plugins/tablepress/css/build/default.css?ver=3.2.8/wp-content/plugins/tablepress/css/... https://fpf.org/wp-content/plugins/tablepress/css/build/default.css?ver=3.2.8 — 200 — 2.4 KiB — 31 ms — h2https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js?ver=3.4.1ajax.googleapis.com/ajax/libs/jquer... https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js?ver=3.4.1 — 200 — 30.7 KiB — 84 ms — h2https://fpf.org/wp-content/themes/fpf/assets/js/fpf-facet-labels.js?ver=6.9.4/wp-content/themes/fpf/assets/js/fp... https://fpf.org/wp-content/themes/fpf/assets/js/fpf-facet-labels.js?ver=6.9.4 — 200 — 787 B — 43 ms — h2https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.js?ver=6.9.4cdn.jsdelivr.net/gh/fancyapps/fancy... https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.js?ver=6.9.4 — 200 — 23.4 KiB — 47 ms — h2https://fpf.org/wp-content/themes/fpf/img/logo.svg/wp-content/themes/fpf/img/logo.svg https://fpf.org/wp-content/themes/fpf/img/logo.svg — 200 — 3.3 KiB — 23 ms — h2https://fpf.org/wp-content/uploads/2025/12/FPF-DC-Privacy-Forum-Web-Header-2880x1500-1-scaled-1-150x150.jpg/wp-content/uploads/2025/12/FPF-DC-... https://fpf.org/wp-content/uploads/2025/12/FPF-DC-Privacy-Forum-Web-Header-2880x1500-1-scaled-1-150x150.jpg — 200 — 6.7 KiB — 46 ms — h2https://fpf.org/wp-content/uploads/2026/03/shutterstock_2513125201-scaled-e1774550471531-150x150.jpg/wp-content/uploads/2026/03/shutter... https://fpf.org/wp-content/uploads/2026/03/shutterstock_2513125201-scaled-e1774550471531-150x150.jpg — 200 — 10.1 KiB — 29 ms — h2https://fpf.org/wp-content/uploads/2024/05/EmailImage-150x150.jpg/wp-content/uploads/2024/05/EmailIm... https://fpf.org/wp-content/uploads/2024/05/EmailImage-150x150.jpg — 200 — 4.2 KiB — 15 ms — h2https://log.cookieyes.com/api/v1/loglog.cookieyes.com/api/v1/log https://log.cookieyes.com/api/v1/log — 200 — 260 B — 216 ms — h3https://p.typekit.net/p.css?s=1&k=kxf6fpd&ht=tk&f=139.140.169.170.173.174.175.176.25136.25137&a=86756031&app=typekit&e=cssp.typekit.net/p.css?s=1&k=kxf6fpd&h... https://p.typekit.net/p.css?s=1&k=kxf6fpd&ht=tk&f=139.140.169.170.173.174.175.176.25136.25137&a=86756031&app=typekit&e=css — 200 — 172 B — 13 ms — h2https://fpf.org/wp-content/themes/fpf/css/pen-styles.css/wp-content/themes/fpf/css/pen-styl... https://fpf.org/wp-content/themes/fpf/css/pen-styles.css — 200 — 2.4 KiB — 23 ms — h2https://fpf.org/wp-content/themes/fpf/page-blocks/fpf-button/block.css/wp-content/themes/fpf/page-blocks/... https://fpf.org/wp-content/themes/fpf/page-blocks/fpf-button/block.css — 200 — 1.4 KiB — 25 ms — h2https://fpf.org/wp-content/themes/fpf/img/logo-footer.svg/wp-content/themes/fpf/img/logo-foo... https://fpf.org/wp-content/themes/fpf/img/logo-footer.svg — 200 — 3.5 KiB — 19 ms — h2https://fpf.org/wp-content/plugins/accordion-blocks/js/accordion-blocks.min.js?ver=1.5.0/wp-content/plugins/accordion-block... https://fpf.org/wp-content/plugins/accordion-blocks/js/accordion-blocks.min.js?ver=1.5.0 — 200 — 1.4 KiB — 24 ms — h2https://fpf.org/wp-content/themes/fpf/js/script.js?ver=1.0.7/wp-content/themes/fpf/js/script.js... https://fpf.org/wp-content/themes/fpf/js/script.js?ver=1.0.7 — 200 — 3.2 KiB — 21 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-T3KLDF7www.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-T3KLDF7 — 200 — 129.1 KiB — 242 ms — h2https://cdn-cookieyes.com/client_data/f130066eff26df77ca6c4fe2/banner.jscdn-cookieyes.com/client_data/f1300... https://cdn-cookieyes.com/client_data/f130066eff26df77ca6c4fe2/banner.js — 200 — 7.6 KiB — 11 ms — h2
0 ms 500 ms 1.0 s 1.5 s FCP 970 ms LCP 1.7 shttps://fpf.org// https://fpf.org/ — 200 — 21.4 KiB — 43 ms — h2https://cdn-cookieyes.com/client_data/f130066eff26df77ca6c4fe2/script.jscdn-cookieyes.com/client_data/f1300... https://cdn-cookieyes.com/client_data/f130066eff26df77ca6c4fe2/script.js — 200 — 8.7 KiB — 48 ms — h2https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.css?ver=1776851930/wp-content/themes/fpf/page-blocks/... https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.css?ver=1776851930 — 200 — 3.1 KiB — 36 ms — h2https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.reset.css?ver=1776851930/wp-content/themes/fpf/page-blocks/... https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.reset.css?ver=1776851930 — 200 — 708 B — 39 ms — h2https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.system.css?ver=1776851930/wp-content/themes/fpf/page-blocks/... https://fpf.org/wp-content/themes/fpf/page-blocks/page-blocks.system.css?ver=1776851930 — 200 — 1.1 KiB — 28 ms — h2https://fpf.org/wp-content/plugins/accordion-blocks/build/index.css?ver=1.5.0/wp-content/plugins/accordion-block... https://fpf.org/wp-content/plugins/accordion-blocks/build/index.css?ver=1.5.0 — 200 — 996 B — 51 ms — h2https://use.typekit.net/kxf6fpd.css?ver=6.9.4use.typekit.net/kxf6fpd.css?ver=6.9... https://use.typekit.net/kxf6fpd.css?ver=6.9.4 — 200 — 1.2 KiB — 22 ms — h2https://fpf.org/wp-content/themes/fpf/css/addition/addition.css?ver=1.0.2/wp-content/themes/fpf/css/addition... https://fpf.org/wp-content/themes/fpf/css/addition/addition.css?ver=1.0.2 — 200 — 24.5 KiB — 51 ms — h2https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.csscdn.jsdelivr.net/gh/fancyapps/fancy... https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.css — 200 — 3.7 KiB — 40 ms — h2https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.csscdnjs.cloudflare.com/ajax/libs/font... https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css — 200 — 19.1 KiB — 77 ms — h3https://fpf.org/wp-content/themes/fpf/css/style.css?ver=6.3.6/wp-content/themes/fpf/css/style.cs... https://fpf.org/wp-content/themes/fpf/css/style.css?ver=6.3.6 — 200 — 19.5 KiB — 36 ms — h2https://fpf.org/wp-content/themes/fpf/style.css?ver=1.8.5/wp-content/themes/fpf/style.css?ve... https://fpf.org/wp-content/themes/fpf/style.css?ver=1.8.5 — 200 — 1.4 KiB — 29 ms — h2https://fpf.org/wp-content/themes/fpf/css/ai-landing-page.css?ver=1.0.0/wp-content/themes/fpf/css/ai-landi... https://fpf.org/wp-content/themes/fpf/css/ai-landing-page.css?ver=1.0.0 — 200 — 4.6 KiB — 27 ms — h2https://fpf.org/wp-content/plugins/tablepress/css/build/default.css?ver=3.2.8/wp-content/plugins/tablepress/css/... https://fpf.org/wp-content/plugins/tablepress/css/build/default.css?ver=3.2.8 — 200 — 2.4 KiB — 31 ms — 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
59% of JavaScript execution is third-party
First-party Third-party 191ms · 129KB · €3/mo
Unattributable
Other
Optional
Execution 120ms
Transfer 0 KB
Monthly Cost €2/mo
Google Tag Manager
Tag Manager
Optional
Execution 71ms
Transfer 129 KB
Unused 51%
Monthly Cost €1/mo

59% of JavaScript execution time comes from third-party scripts.

Why this matters

Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.

Learn more ▾

Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.

Source: web.dev / HTTP Archive Web Almanac

51% of Google Tag Manager'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

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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