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https://guardian.ng

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
77
GRADE
C
FIX
4
REVIEW
3
PASS
8
INFO
2

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

Mobile Desktop
64
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
73
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
77
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.

3.14 s

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

9.11 s

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

96 ms

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

0.000

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

6.08 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.

14.09 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
17
8 PASS 3 REVIEW 4 FIX
F
Page Weight Budget
Action
7.8 MB transferred, 49 requests
FIX
7.8 MB transferred, 49 requests
Critical::
Page weighs 9.1 MB (7.8 MB transferred)
Warning::
Images are 7.1 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 7.1 MB
Info::
Fonts are 205 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 205 KB
Info::
49 HTTP requests
Info::
Estimated 1.6 g CO2 per page load
7.8 MB / 2.4 MB budget
7.8 MB transferred
49 requests
1.6 g CO2 per page load
Images 7.1 MiB 92%
JavaScript 295.9 KiB 4%
Fonts 205.4 KiB 3%
HTML 87.5 KiB 1%
CSS 27.3 KiB 0%
Other 2.4 KiB 0%
Other 1.3 KiB 0%
Other 0 B 0%
Other 0 B 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

D
Third-Party Impact
Action
95% third-party, 0 ms blocking
FIX
95% third-party, 0 ms blocking
Warning::
Third-party code accounts for 95% of page weight (7.4 MiB of 7.8 MiB)
Info::
Third-party blocking time is low (0 ms)
95%
First-party Third-party
D
Page Weight Inventory
Action
49 resources · 7.8 MB · 122 KB savings available
FIX
49 resources · 7.8 MB · 122 KB savings available
Warning::
Page weight 6.8 MB over 1MB target
Got: 7.8 MB Expected: ≤ 1 MB
Info::
~122 KB of savings available
Warning::
27 third-party resources (95% of weight)
Info::
5 resources over 200KB
49 resources · 7.8 MiB · 27 third-party 6.8 MiB over 1MB target
Image 92% · 7.1 MiB
JavaScript 4% · 295.9 KiB
Font 3% · 205.4 KiB
Document 1% · 87.5 KiB
CSS 0% · 27.3 KiB
Other 0% · 1.5 KiB

~122.0 KiB of savings available

Remove unused JavaScript: 122.0 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.

B
Image Optimization
23 images, 0 KB saveable
REVIEW
23 images, 0 KB saveable
Warning::
https://cdn.guardian.ng/wp-content/uploads/2026/02... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.guardian.ng/wp-content/uploads/2026/04... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://guardian.ng/wp-content/themes/guardian_ng/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.guardian.ng/wp-content/uploads/2026/02... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.guardian.ng/wp-content/uploads/2026/04... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://guardian.ng/wp-content/themes/guardian_ng/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.guardian.ng/wp-content/uploads/2026/04... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.guardian.ng/wp-content/uploads/2026/04... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.guardian.ng/wp-content/uploads/2026/04... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
23 images 7.1 MB
0 oversized -0 KB
3 legacy format
10 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

Performance issues directly impact user engagement and conversion rates.

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

C
JS Execution Cost
Action
1596ms total JS execution
REVIEW
1596ms total JS execution
Warning::
https://guardian.ng/: 511ms CPU time
Warning::
Unattributable: 339ms CPU time
Warning::
https://guardian.ng/cdn-cgi/challenge-platform/scr...: 262ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-FJEQ...: 223ms CPU time
Info::
https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7....: 199ms CPU time
Info::
Third-party scripts: 761ms (48% of total)

Main Thread Breakdown

Script Evaluation 40% Other 25% Style & Layout 16% Parse HTML & CSS 9% Script Parsing & Compilation 6% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://guardian.ng/511ms45ms5ms1st
Unattributable339ms6ms0ms3rd
https://guardian.ng/cdn-cgi/challenge-platform/scripts/jsd/main.js262ms237ms13ms1st
https://www.googletagmanager.com/gtag/js?id=G-FJEQ3FB9QG223ms183ms38ms3rd
https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js?ver=1.9.0199ms127ms14ms3rd
https://guardian.ng/wp-content/themes/guardian_ng/assets/build/js/script.min.js?ver=177384268162ms49ms7ms1st
B
JS Bundles
8 scripts, 122 KB unused
REVIEW
8 scripts, 122 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-FJEQ...: 67 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdnjs.cloudflare.com/ajax/libs/Swiper/8.4....: 33 KB unused (97%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://guardian.ng/wp-content/themes/guardian_ng/...: 22 KB unused (82%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 122 KB
122 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-FJEQ3FB9QG173 KB67 KB (39%)✓3rd
https://cdnjs.cloudflare.com/ajax/libs/Swiper/8.4.5/swiper-bundle.min.js?ver=6.7.234 KB33 KB (97%)✓3rd
https://guardian.ng/wp-content/themes/guardian_ng/assets/build/js/script.min.js?ver=177384268127 KB22 KB (82%)✓1st
https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js?ver=1.9.027 KB—✓3rd
https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.min.js?ver=1.9.010 KB—✓3rd
https://guardian.ng/wp-content/plugins/guardian-throwback/assets/js/throwback.js?ver=69e95f3dc801b1 KB—✓1st
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312451611 KB—✓3rd
https://guardian.ng/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?13 KB—✓1st

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

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
9 fonts (205 KB)
PASS
9 fonts (205 KB)
Info::
9 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

9

205 KB total

Render-blocking

0

of 9

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s 9.0 s FCP 3.1 s LCP 9.1 shttps://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-regular.woff2poppins-v24-latin-regul... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-regular.woff2 — 8.0 KiB — 27 ms — font-display: swaphttps://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-500.woff2poppins-v24-latin-500.w... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-500.woff2 — 7.9 KiB — 28 ms — font-display: swaphttps://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-600.woff2poppins-v24-latin-600.w... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-600.woff2 — 8.1 KiB — 30 ms — font-display: swaphttps://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-200.woff2poppins-v24-latin-200.w... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-200.woff2 — 8.0 KiB — 32 ms — font-display: swaphttps://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/merriweather-v33-latin-700.woff2merriweather-v33-latin-... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/merriweather-v33-latin-700.woff2 — 47.9 KiB — 40 ms — font-display: swaphttps://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/icomoon.woff2?v=1icomoon.woff2 https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/icomoon.woff2?v=1 — 2.1 KiB — 28 ms — font-display: swaphttps://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/merriweather-v33-latin-600.woff2merriweather-v33-latin-... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/merriweather-v33-latin-600.woff2 — 48.2 KiB — 45 ms — font-display: swaphttps://fonts.gstatic.com/s/plusjakartasans/v12/LDIoaomQNQcsA88c7O9yZ4KMCoOg4Ko20yygg_vb.woff2LDIoaomQNQcsA88c7O9yZ4K... https://fonts.gstatic.com/s/plusjakartasans/v12/LDIoaomQNQcsA88c7O9yZ4KMCoOg4Ko20yygg_vb.woff2 — 26.7 KiB — 42 ms — font-display: swaphttps://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/merriweather-v33-latin-regular.woff2merriweather-v33-latin-... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/merriweather-v33-latin-regular.woff2 — 48.5 KiB — 45 ms — font-display: swap
poppins-v24-latin-regul... woff2 swap
Size 8 KB
Load time 27 ms
Start 252 ms
Risk FOUT — text flashes from fallback to web font
poppins-v24-latin-500.w... woff2 swap
Size 8 KB
Load time 28 ms
Start 253 ms
Risk FOUT — text flashes from fallback to web font
poppins-v24-latin-600.w... woff2 swap
Size 8 KB
Load time 30 ms
Start 253 ms
Risk FOUT — text flashes from fallback to web font
poppins-v24-latin-200.w... woff2 swap
Size 8 KB
Load time 32 ms
Start 253 ms
Risk FOUT — text flashes from fallback to web font
merriweather-v33-latin-... woff2 swap
Size 48 KB
Load time 40 ms
Start 254 ms
Risk FOUT — text flashes from fallback to web font
icomoon.woff2 woff2 swap
Size 2 KB
Load time 28 ms
Start 423 ms
Risk FOUT — text flashes from fallback to web font
merriweather-v33-latin-... woff2 swap
Size 48 KB
Load time 45 ms
Start 423 ms
Risk FOUT — text flashes from fallback to web font
LDIoaomQNQcsA88c7O9yZ4K... woff2 swap
Size 27 KB
Load time 42 ms
Start 423 ms
Risk FOUT — text flashes from fallback to web font
merriweather-v33-latin-... woff2 swap
Size 49 KB
Load time 45 ms
Start 423 ms
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)
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
10 hints, 0 missing preconnects
PASS
10 hints, 0 missing preconnects
Info::
Page uses 10 resource hint(s)

Current Resource Hints

preconnect
2
preload
6
dns-prefetch
2
prefetch
—

10 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
49 requests over 3660ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s 9.0 s FCP 3.1 s LCP 9.1 shttps://guardian.ng// https://guardian.ng/ — 200 — 87.5 KiB — 296 ms — h2https://cdnjs.cloudflare.com/ajax/libs/Swiper/8.4.5/swiper-bundle.min.css?ver=6.7.2cdnjs.cloudflare.com/ajax/libs/Swip... https://cdnjs.cloudflare.com/ajax/libs/Swiper/8.4.5/swiper-bundle.min.css?ver=6.7.2 — 200 — 4.2 KiB — 108 ms — h2https://guardian.ng/wp-content/plugins/affiliatable-plugin/css/styles.css?ver=6.7.2/wp-content/plugins/affiliatable-pl... https://guardian.ng/wp-content/plugins/affiliatable-plugin/css/styles.css?ver=6.7.2 — 200 — 19.9 KiB — 39 ms — h2https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.min.css?ver=1.9.0cdnjs.cloudflare.com/ajax/libs/slic... https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.min.css?ver=1.9.0 — 200 — 1.0 KiB — 104 ms — h2https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans%3Aital%2Cwght%400%2C200..800%3B1%2C200..800&display=swap&ver=1.9.0fonts.googleapis.com/css2?family=Pl... https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans%3Aital%2Cwght%400%2C200..800%3B1%2C200..800&display=swap&ver=1.9.0 — 200 — 1.0 KiB — 96 ms — h2https://guardian.ng/wp-content/plugins/guardian-throwback/assets/css/throwback.css?ver=69e95f3dc8011/wp-content/plugins/guardian-throwb... https://guardian.ng/wp-content/plugins/guardian-throwback/assets/css/throwback.css?ver=69e95f3dc8011 — 200 — 1.2 KiB — 63 ms — h2https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-regular.woff2/wp-content/themes/guardian_ng/asse... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-regular.woff2 — 200 — 8.0 KiB — 27 ms — h2https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-500.woff2/wp-content/themes/guardian_ng/asse... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-500.woff2 — 200 — 7.9 KiB — 28 ms — h2https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-600.woff2/wp-content/themes/guardian_ng/asse... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-600.woff2 — 200 — 8.1 KiB — 30 ms — h2https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-200.woff2/wp-content/themes/guardian_ng/asse... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/poppins-v24-latin-200.woff2 — 200 — 8.0 KiB — 32 ms — h2https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/merriweather-v33-latin-700.woff2/wp-content/themes/guardian_ng/asse... https://guardian.ng/wp-content/themes/guardian_ng/assets/fonts/merriweather-v33-latin-700.woff2 — 200 — 47.9 KiB — 40 ms — h2https://cdn.guardian.ng/wp-content/uploads/2026/02/google-news-2.pngcdn.guardian.ng/wp-content/uploads/... https://cdn.guardian.ng/wp-content/uploads/2026/02/google-news-2.png — 200 — 6.9 KiB — 110 ms — h3https://guardian.ng/wp-content/themes/guardian_ng/assets/build/images/logo-black.png/wp-content/themes/guardian_ng/asse... https://guardian.ng/wp-content/themes/guardian_ng/assets/build/images/logo-black.png — 200 — 21.9 KiB — 69 ms — h3https://cdn.guardian.ng/wp-content/uploads/2025/11/Guardian-grey.jpgcdn.guardian.ng/wp-content/uploads/... https://cdn.guardian.ng/wp-content/uploads/2025/11/Guardian-grey.jpg — 200 — 5.8 KiB — 99 ms — h3https://cdn.guardian.ng/wp-content/uploads/2026/04/FIGO-300x250-EN.pngcdn.guardian.ng/wp-content/uploads/... https://cdn.guardian.ng/wp-content/uploads/2026/04/FIGO-300x250-EN.png — 200 — 47.2 KiB — 120 ms — h3https://cdn.guardian.ng/wp-content/uploads/2026/04/HF-002-1.webpcdn.guardian.ng/wp-content/uploads/... https://cdn.guardian.ng/wp-content/uploads/2026/04/HF-002-1.webp — 200 — 786.3 KiB — 246 ms — h3https://cdn.guardian.ng/wp-content/uploads/2026/04/HF-001-1.webpcdn.guardian.ng/wp-content/uploads/... https://cdn.guardian.ng/wp-content/uploads/2026/04/HF-001-1.webp — 200 — 779.8 KiB — 251 ms — h3https://cdn.guardian.ng/wp-content/uploads/2026/04/HF-003-1.webpcdn.guardian.ng/wp-content/uploads/... https://cdn.guardian.ng/wp-content/uploads/2026/04/HF-003-1.webp — 200 — 776.7 KiB — 249 ms — h3https://guardian.ng/wp-content/themes/guardian_ng/assets/build/images/marie-claire.png/wp-content/themes/guardian_ng/asse... https://guardian.ng/wp-content/themes/guardian_ng/assets/build/images/marie-claire.png — 200 — 6.4 KiB — 60 ms — h3https://cdnjs.cloudflare.com/ajax/libs/Swiper/8.4.5/swiper-bundle.min.js?ver=6.7.2cdnjs.cloudflare.com/ajax/libs/Swip... https://cdnjs.cloudflare.com/ajax/libs/Swiper/8.4.5/swiper-bundle.min.js?ver=6.7.2 — 200 — 34.1 KiB — 41 ms — h2https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js?ver=1.9.0cdnjs.cloudflare.com/ajax/libs/jque... https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js?ver=1.9.0 — 200 — 27.2 KiB — 27 ms — h2https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.min.js?ver=1.9.0cdnjs.cloudflare.com/ajax/libs/slic... https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.min.js?ver=1.9.0 — 200 — 9.7 KiB — 25 ms — h2https://guardian.ng/wp-content/plugins/guardian-throwback/assets/js/throwback.js?ver=69e95f3dc801b/wp-content/plugins/guardian-throwb... https://guardian.ng/wp-content/plugins/guardian-throwback/assets/js/throwback.js?ver=69e95f3dc801b — 200 — 922 B — 57 ms — h3https://guardian.ng/wp-content/themes/guardian_ng/assets/build/js/script.min.js?ver=1773842681/wp-content/themes/guardian_ng/asse... https://guardian.ng/wp-content/themes/guardian_ng/assets/build/js/script.min.js?ver=1773842681 — 200 — 27.3 KiB — 78 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... 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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
48% of JavaScript execution is third-party
First-party Third-party 761ms · 200KB · ₦6809/mo
Unattributable
Other
Costly
Execution 339ms
Transfer 0 KB
Monthly Cost ₦3031/mo
Google Tag Manager
Tag Manager
Costly
Execution 223ms
Transfer 173 KB
Unused 39%
Monthly Cost ₦1998/mo
cdnjs
CDN
Costly
Execution 199ms
Transfer 27 KB
Monthly Cost ₦1780/mo

These scripts may cost more than they're worth

  • Unattributable adds 339ms and costs ~₦3031/month
  • Google Tag Manager adds 223ms and costs ~₦1998/month
  • cdnjs adds 199ms and costs ~₦1780/month

48% 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

Unattributable takes 339ms 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

Google Tag Manager takes 223ms 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

cdnjs takes 199ms 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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