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https://enlightenment.org

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
73
GRADE
C
FIX
5
REVIEW
3
PASS
7
INFO
2

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

Mobile Desktop
33
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.
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.

6.10 s

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

20.88 s

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

226 ms

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

0.441

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

8.67 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.

21.51 s

Page Load Progression

539 ms
1.1 s
1.6 s
2.2 s
2.7 s
3.2 s
3.8 s
4.3 s
Checks
17
7 PASS 3 REVIEW 5 FIX
F
Page Weight Budget
Action
4.6 MB transferred, 38 requests
FIX
4.6 MB transferred, 38 requests
Critical::
Page weighs 5.8 MB (4.6 MB transferred)
Warning::
Images are 4.1 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 4.1 MB
Info::
38 HTTP requests
Info::
Estimated 0.96 g CO2 per page load
4.6 MB / 2.4 MB budget
4.6 MB transferred
38 requests
0.96 g CO2 per page load
Images 4.1 MiB 89%
JavaScript 435.2 KiB 9%
CSS 41.9 KiB 1%
Fonts 13.1 KiB 0%
HTML 7.1 KiB 0%
Other 5.8 KiB 0%
Other 469 B 0%
Other 20 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

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 (4.6 MiB of 4.6 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Bundles
Action
5 scripts, 242 KB unused
FIX
5 scripts, 242 KB unused
Warning::
https://www.enlightenment.org/lib/exe/js.php?tseed...: 179 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.enlightenment.org/lib/exe/js.php?tseed...: unminified — 103 KB could be saved
Warning::
https://www.googletagmanager.com/gtag/js?id=G-3RSY...: 63 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 242 KB
242 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.enlightenment.org/lib/exe/js.php?tseed=32ab2166fcbcb683eb3137d94cb255ba257 KB179 KB (70%)✗3rd
https://www.googletagmanager.com/gtag/js?id=G-3RSY61N2N2&cx=c&_slc=1148 KB63 KB (42%)✓3rd
https://www.enlightenment.org/lib/tpl/e/js/bootstrap.min.js8 KB—✓3rd
https://www.enlightenment.org/lib/tpl/e/js/modifications.js1 KB—✓3rd
https://www.google-analytics.com/analytics.js21 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

D
Page Weight Inventory
Action
38 resources · 4.6 MB · 242 KB savings available
FIX
38 resources · 4.6 MB · 242 KB savings available
Warning::
Page weight 3.6 MB over 1MB target
Got: 4.6 MB Expected: ≤ 1 MB
Info::
~242 KB of savings available
Warning::
37 third-party resources (100% of weight)
Info::
6 resources over 200KB
38 resources · 4.6 MiB · 37 third-party 3.6 MiB over 1MB target
Image 89% · 4.1 MiB
JavaScript 9% · 435.2 KiB
CSS 1% · 41.9 KiB
Font 0% · 13.1 KiB
Document 0% · 7.4 KiB
Other 0% · 489 B

~241.9 KiB of savings available

Remove unused JavaScript: 241.9 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
22 images, 0 KB saveable
REVIEW
22 images, 0 KB saveable
Warning::
https://www.enlightenment.org/_media/scut_mastodon... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/scut-youtube.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/piggy-bank.sv... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/e-logo-title.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/thanks-samsun... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/scut-pad-sml.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/scut-facebook... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/aa/shot-2021-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/thanks-gandi.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/thanks-openwi... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/scut-twitter.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/scut-pad.svg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/books.svg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/aa/shot-2021-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/aa/shot-2021-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/aa/shot-2021-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/aa/shot-2021-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/aa/shot-2021-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/thanks-osuosl... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.enlightenment.org/_media/thanks-easydn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
22 images 4.1 MB
0 oversized -0 KB
22 legacy format
20 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

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

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

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
1725ms total JS execution
REVIEW
1725ms total JS execution
Warning::
Unattributable: 675ms CPU time
Warning::
https://www.enlightenment.org/lib/exe/js.php?tseed...: 376ms CPU time
Warning::
https://www.enlightenment.org/: 321ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-3RSY...: 279ms CPU time
Info::
https://www.google-analytics.com/analytics.js: 74ms CPU time
Warning::
Third-party scripts: 1725ms (100% of total)

Main Thread Breakdown

Other 35% Script Evaluation 32% Script Parsing & Compilation 13% Style & Layout 12% Rendering 6%
ScriptTotalScriptingParse/CompileParty
Unattributable675ms94ms0ms3rd
https://www.enlightenment.org/lib/exe/js.php?tseed=32ab2166fcbcb683eb3137d94cb255ba376ms166ms152ms3rd
https://www.enlightenment.org/321ms6ms3ms3rd
https://www.googletagmanager.com/gtag/js?id=G-3RSY61N2N2&cx=c&_slc=1279ms219ms55ms3rd
https://www.google-analytics.com/analytics.js74ms64ms7ms3rd
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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
1 fonts (13 KB)
PASS
1 fonts (13 KB)
Info::
1 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

1

13 KB total

Render-blocking

0

of 1

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 FCP 6.1 s LCP 20.9 shttps://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVIUx6EQ.woff2memSYaGs126MiZpBA-UvWbX... https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVIUx6EQ.woff2 — 13.1 KiB — 6 ms — font-display: swap
memSYaGs126MiZpBA-UvWbX... woff2 swap
Size 13 KB
Load time 6 ms
Start 2.9 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)
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+
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
Network Waterfall
38 requests over 4503ms
INFO
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 FCP 6.1 s LCP 20.9 shttps://enlightenment.org// https://enlightenment.org/ — 301 — 270 B — 732 ms — http/1.1https://www.enlightenment.org/www.enlightenment.org/ https://www.enlightenment.org/ — 200 — 7.1 KiB — 618 ms — http/1.1https://www.enlightenment.org/lib/exe/css.php?t=e&tseed=32ab2166fcbcb683eb3137d94cb255bawww.enlightenment.org/lib/exe/css.p... https://www.enlightenment.org/lib/exe/css.php?t=e&tseed=32ab2166fcbcb683eb3137d94cb255ba — 200 — 19.2 KiB — 211 ms — http/1.1https://www.enlightenment.org/lib/exe/js.php?tseed=32ab2166fcbcb683eb3137d94cb255bawww.enlightenment.org/lib/exe/js.ph... https://www.enlightenment.org/lib/exe/js.php?tseed=32ab2166fcbcb683eb3137d94cb255ba — 200 — 257.3 KiB — 1.4 s — http/1.1https://www.enlightenment.org/lib/tpl/e/css/bootstrap-default.min.csswww.enlightenment.org/lib/tpl/e/css... https://www.enlightenment.org/lib/tpl/e/css/bootstrap-default.min.css — 200 — 16.6 KiB — 415 ms — http/1.1https://www.enlightenment.org/lib/tpl/e/css/modifications.csswww.enlightenment.org/lib/tpl/e/css... https://www.enlightenment.org/lib/tpl/e/css/modifications.css — 200 — 3.4 KiB — 604 ms — http/1.1https://www.enlightenment.org/lib/tpl/e/js/bootstrap.min.jswww.enlightenment.org/lib/tpl/e/js/... https://www.enlightenment.org/lib/tpl/e/js/bootstrap.min.js — 200 — 7.5 KiB — 606 ms — http/1.1https://www.enlightenment.org/lib/tpl/e/js/modifications.jswww.enlightenment.org/lib/tpl/e/js/... https://www.enlightenment.org/lib/tpl/e/js/modifications.js — 200 — 1.0 KiB — 620 ms — http/1.1https://fonts.googleapis.com/css?family=Open+Sansfonts.googleapis.com/css?family=Ope... https://fonts.googleapis.com/css?family=Open+Sans — 200 — 2.0 KiB — 117 ms — h2https://fonts.googleapis.com/css?family=Source+Code+Profonts.googleapis.com/css?family=Sou... https://fonts.googleapis.com/css?family=Source+Code+Pro — 200 — 740 B — 128 ms — h2https://www.enlightenment.org/_media/scut_mastodon.svgwww.enlightenment.org/_media/scut_m... https://www.enlightenment.org/_media/scut_mastodon.svg — 200 — 2.0 KiB — 411 ms — http/1.1https://www.enlightenment.org/_media/scut-pad-sml.svgwww.enlightenment.org/_media/scut-p... https://www.enlightenment.org/_media/scut-pad-sml.svg — 200 — 2.5 KiB — 210 ms — http/1.1https://www.enlightenment.org/_media/scut-twitter.svgwww.enlightenment.org/_media/scut-t... https://www.enlightenment.org/_media/scut-twitter.svg — 200 — 5.1 KiB — 204 ms — http/1.1https://www.enlightenment.org/_media/scut-facebook.svgwww.enlightenment.org/_media/scut-f... https://www.enlightenment.org/_media/scut-facebook.svg — 200 — 3.2 KiB — 210 ms — http/1.1https://www.enlightenment.org/_media/scut-youtube.svgwww.enlightenment.org/_media/scut-y... https://www.enlightenment.org/_media/scut-youtube.svg — 200 — 3.1 KiB — 211 ms — http/1.1https://www.enlightenment.org/_media/scut-pad.svgwww.enlightenment.org/_media/scut-p... https://www.enlightenment.org/_media/scut-pad.svg — 200 — 2.5 KiB — 210 ms — http/1.1https://www.enlightenment.org/_media/piggy-bank.svgwww.enlightenment.org/_media/piggy-... https://www.enlightenment.org/_media/piggy-bank.svg — 200 — 44.2 KiB — 619 ms — http/1.1https://www.enlightenment.org/_media/e-logo-title.svgwww.enlightenment.org/_media/e-logo... https://www.enlightenment.org/_media/e-logo-title.svg — 200 — 11.9 KiB — 205 ms — http/1.1https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-47-19.pngwww.enlightenment.org/_media/aa/sho... https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-47-19.png — 200 — 1.1 MiB — 1.4 s — http/1.1https://www.enlightenment.org/_media/books.svgwww.enlightenment.org/_media/books.... https://www.enlightenment.org/_media/books.svg — 200 — 41.2 KiB — 416 ms — http/1.1https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-49-55.pngwww.enlightenment.org/_media/aa/sho... https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-49-55.png — 200 — 119.1 KiB — 808 ms — http/1.1https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-52-28.pngwww.enlightenment.org/_media/aa/sho... https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-52-28.png — 200 — 552.1 KiB — 1.4 s — http/1.1https://www.google-analytics.com/analytics.jswww.google-analytics.com/analytics.... https://www.google-analytics.com/analytics.js — 200 — 20.9 KiB — 69 ms — h2https://www.enlightenment.org/lib/tpl/e/images/logo.svgwww.enlightenment.org/lib/tpl/e/ima... https://www.enlightenment.org/lib/tpl/e/images/logo.svg — 200 — 11.6 KiB — 303 ms — http/1.1https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVIUx6EQ.woff2fonts.gstatic.com/s/opensans/v44/me... https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVIUx6EQ.woff2 — 200 — 13.1 KiB — 6 ms — h3https://www.google-analytics.com/j/collect?v=1&_v=j102&aip=1&a=1116367330&t=pageview&_s=1&dl=https%3A%2F%2Fwww.enlightenment.org%2F&dp=%2Fstart&ul=en-us&dt=Enlightenment%20Main&sr=412x823&vp=412x823&_u=YEBAAUABAAAAACAAI~&jid=2080523119&gjid=1566938551&cid=923086190.1776802569&tid=UA-110876574-1&_gid=185118997.1776802569&_r=1&_slc=1&cd1=show&z=1678685469www.google-analytics.com/j/collect?... https://www.google-analytics.com/j/collect?v=1&_v=j102&aip=1&a=1116367330&t=pageview&_s=1&dl=https%3A%2F%2Fwww.enlightenment.org%2F&dp=%2Fstart&ul=en-us&dt=Enlightenment%20Main&sr=412x823&vp=412x823&_u=YEBAAUABAAAAACAAI~&jid=2080523119&gjid=1566938551&cid=923086190.1776802569&tid=UA-110876574-1&_gid=185118997.1776802569&_r=1&_slc=1&cd1=show&z=1678685469 — 200 — 469 B — 57 ms — h2https://www.googletagmanager.com/gtag/js?id=G-3RSY61N2N2&cx=c&_slc=1www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-3RSY61N2N2&cx=c&_slc=1 — 200 — 148.4 KiB — 279 ms — h2https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-46-44.pngwww.enlightenment.org/_media/aa/sho... https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-46-44.png — 200 — 1.3 MiB — 621 ms — http/1.1https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-53-27.pngwww.enlightenment.org/_media/aa/sho... https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-53-27.png — 200 — 772.5 KiB — 1.0 s — http/1.1https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-58-08.pngwww.enlightenment.org/_media/aa/sho... https://www.enlightenment.org/_media/aa/shot-2021-12-13_17-58-08.png — 200 — 211.5 KiB — 621 ms — http/1.1
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 FCP 6.1 s LCP 20.9 shttps://enlightenment.org// https://enlightenment.org/ — 301 — 270 B — 732 ms — http/1.1https://www.enlightenment.org/www.enlightenment.org/ https://www.enlightenment.org/ — 200 — 7.1 KiB — 618 ms — http/1.1https://www.enlightenment.org/lib/exe/css.php?t=e&tseed=32ab2166fcbcb683eb3137d94cb255bawww.enlightenment.org/lib/exe/css.p... https://www.enlightenment.org/lib/exe/css.php?t=e&tseed=32ab2166fcbcb683eb3137d94cb255ba — 200 — 19.2 KiB — 211 ms — http/1.1https://www.enlightenment.org/lib/exe/js.php?tseed=32ab2166fcbcb683eb3137d94cb255bawww.enlightenment.org/lib/exe/js.ph... https://www.enlightenment.org/lib/exe/js.php?tseed=32ab2166fcbcb683eb3137d94cb255ba — 200 — 257.3 KiB — 1.4 s — http/1.1https://www.enlightenment.org/lib/tpl/e/css/bootstrap-default.min.csswww.enlightenment.org/lib/tpl/e/css... https://www.enlightenment.org/lib/tpl/e/css/bootstrap-default.min.css — 200 — 16.6 KiB — 415 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
100% of JavaScript execution is third-party
First-party Third-party 1725ms · 434KB · $23/mo
Unattributable
Other
Costly
Execution 675ms
Transfer 0 KB
Monthly Cost $9/mo
www.enlightenment.org
Other
Costly
Execution 376ms
Transfer 257 KB
Unused 70%
Monthly Cost $5/mo
www.enlightenment.org
Other
Costly
Execution 321ms
Transfer 7 KB
Monthly Cost $4/mo
Google Tag Manager
Tag Manager
Costly
Execution 279ms
Transfer 148 KB
Unused 42%
Monthly Cost $4/mo
Google Analytics
Analytics
Optional
Execution 74ms
Transfer 21 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • Unattributable adds 675ms and costs ~$9/month
  • www.enlightenment.org adds 376ms and costs ~$5/month
  • www.enlightenment.org adds 321ms and costs ~$4/month
  • Google Tag Manager adds 279ms and costs ~$4/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

Unattributable takes 675ms 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.enlightenment.org takes 376ms 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

70% of www.enlightenment.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

www.enlightenment.org takes 321ms 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 279ms 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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