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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
76
GRADE
C
FIX
4
REVIEW
3
PASS
6
INFO
2

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

62
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
93
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.
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.

3.11 s

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

4.13 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.

0.003

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

3.11 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.

4.13 s

Page Load Progression

555 ms
1.1 s
1.7 s
2.2 s
2.8 s
3.3 s
3.9 s
4.4 s
Checks
15
6 PASS 3 REVIEW 4 FIX
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 (1.9 MiB of 1.9 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Bundles
Action
44 scripts, 350 KB unused
FIX
44 scripts, 350 KB unused
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 242 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.linuxjournal.com/core/assets/vendor/jq...: 52 KB unused (59%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.consentmanager.net/delivery/js/cmp_en....: 36 KB unused (36%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.linuxjournal.com/themes/linuxjournal/j...: 21 KB unused (44%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.linuxjournal.com/themes/contrib/bootst...: unminified — 6 KB could be saved
Info::
Total unused JavaScript: 350 KB
350 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js362 KB242 KB (67%)3rd
https://www.linuxjournal.com/core/assets/vendor/jquery/jquery.min.js?v=3.6.388 KB52 KB (59%)3rd
https://cdn.consentmanager.net/delivery/js/cmp_en.min.js101 KB36 KB (36%)3rd
https://www.linuxjournal.com/themes/linuxjournal/js/accessibility.js47 KB21 KB (44%)3rd
https://www.linuxjournal.com/themes/contrib/bootstrap/js/attributes.js?snzigw10 KB3rd
https://www.linuxjournal.com/core/misc/drupal.js?v=9.5.117 KB3rd
https://www.google.com/recaptcha/api.js1 KB3rd
https://d.delivery.consentmanager.net/delivery/cmp.php?&cdid=f46fb9b4e114&h=https%3A%2F%2Fwww.linuxjournal.com%2F&cmpregulationkey=GDPR&&l=en&o=17768971632151 KB3rd
https://a.fsdn.com/con/js/sftheme/cmp2.js22 KB3rd
https://www.linuxjournal.com/themes/linuxjournal/js/ada.js1 KB3rd

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

D
Page Weight Inventory
Action
94 resources · 1.9 MB · 350 KB savings available
FIX
94 resources · 1.9 MB · 350 KB savings available
Warning::
Page weight 927 KB over 1MB target
Got: 1.9 MB Expected: ≤ 1 MB
Info::
~350 KB of savings available
Warning::
93 third-party resources (100% of weight)
Info::
3 resources over 200KB
94 resources · 1.9 MiB · 93 third-party 927.3 KiB over 1MB target
JavaScript 43% · 841.1 KiB
Font 35% · 679.3 KiB
CSS 14% · 264.9 KiB
Image 6% · 110.4 KiB
Document 3% · 55.6 KiB

~349.8 KiB of savings available

Remove unused JavaScript: 349.8 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
Page Weight Budget
Action
1.9 MB transferred, 94 requests
REVIEW
1.9 MB transferred, 94 requests
Info::
Page weighs 2.8 MB (1.9 MB transferred)
Warning::
JavaScript is 841 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 841 KB
Info::
Fonts are 679 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 679 KB
Info::
CSS is 265 KB — consider purging unused styles
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
Got: 265 KB
Info::
94 HTTP requests
Info::
Estimated 0.40 g CO2 per page load
1.9 MB / 2.4 MB budget
1.9 MB transferred
94 requests
0.40 g CO2 per page load
JavaScript 841.1 KiB 43%
Fonts 679.3 KiB 35%
CSS 264.9 KiB 14%
Images 108.7 KiB 6%
HTML 55.3 KiB 3%
Other 2.0 KiB 0%
0 2.4 MB 4.9 MB
Approaching limit

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

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

Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.

Why this matters

CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.

Source: web.dev

C
Image Optimization
Action
13 images, 0 KB saveable
REVIEW
13 images, 0 KB saveable
Warning::
https://www.linuxjournal.com/sites/default/files/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.linuxjournal.com/themes/linuxjournal/i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.linuxjournal.com/sites/default/files/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.linuxjournal.com/sites/default/files/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.linuxjournal.com/sites/default/files/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.linuxjournal.com/sites/default/files/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.linuxjournal.com/sites/default/files/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
13 images 109 KB
0 oversized -0 KB
13 legacy format
7 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

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+
JS Execution Cost
253ms total JS execution
PASS
253ms total JS execution
Info::
https://www.linuxjournal.com/: 125ms CPU time
Info::
Unattributable: 76ms CPU time
Info::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 51ms CPU time
Warning::
Third-party scripts: 253ms (100% of total)

Main Thread Breakdown

Script Evaluation 36% Other 30% Style & Layout 15% Script Parsing & Compilation 12% Parse HTML & CSS 4% Rendering 3%
ScriptTotalScriptingParse/CompileParty
https://www.linuxjournal.com/125ms11ms1ms3rd
Unattributable76ms2ms0ms3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js51ms26ms26ms3rd
A+
Font Loading
5 fonts (679 KB)
PASS
5 fonts (679 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

679 KB total

Render-blocking

0

of 5

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 FCP 3.1 s LCP 4.1 shttps://www.linuxjournal.com/themes/linuxjournal/fonts/Lateef/LateefRegOT.ttfLateefRegOT.ttf https://www.linuxjournal.com/themes/linuxjournal/fonts/Lateef/LateefRegOT.ttf — 240.7 KiB — 298 ms — font-display: swaphttps://www.linuxjournal.com/themes/linuxjournal/fonts/Open_Sans/OpenSans-Bold.ttfOpenSans-Bold.ttf https://www.linuxjournal.com/themes/linuxjournal/fonts/Open_Sans/OpenSans-Bold.ttf — 219.5 KiB — 470 ms — font-display: swaphttps://www.linuxjournal.com/themes/linuxjournal/bootstrap/assets/fonts/bootstrap/glyphicons-halflings-regular.woff2glyphicons-halflings-re... https://www.linuxjournal.com/themes/linuxjournal/bootstrap/assets/fonts/bootstrap/glyphicons-halflings-regular.woff2 — 17.9 KiB — 238 ms — font-display: swaphttps://www.linuxjournal.com/libraries/shariff/fontawesome-webfont.woff2fontawesome-webfont.woff2 https://www.linuxjournal.com/libraries/shariff/fontawesome-webfont.woff2 — 75.6 KiB — 546 ms — font-display: swaphttps://fonts.gstatic.com/s/materialicons/v145/flUhRq6tzZclQEJ-Vdg-IuiaDsNcIhQ8tQ.woff2flUhRq6tzZclQEJ-Vdg-Iui... https://fonts.gstatic.com/s/materialicons/v145/flUhRq6tzZclQEJ-Vdg-IuiaDsNcIhQ8tQ.woff2 — 125.6 KiB — 126 ms — font-display: swap
LateefRegOT.ttf ttf swap
Size 241 KB
Load time 298 ms
Start 2.3 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
OpenSans-Bold.ttf ttf swap
Size 219 KB
Load time 470 ms
Start 2.3 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
glyphicons-halflings-re... woff2 swap
Size 18 KB
Load time 238 ms
Start 2.4 s
Risk FOUT — text flashes from fallback to web font
fontawesome-webfont.woff2 woff2 swap
Size 76 KB
Load time 546 ms
Start 2.4 s
Risk FOUT — text flashes from fallback to web font
flUhRq6tzZclQEJ-Vdg-Iui... woff2 swap
Size 126 KB
Load time 126 ms
Start 3.9 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
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 ~431 KB and ~862 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
Network Waterfall
94 requests over 3994ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 3.1 s LCP 4.1 shttps://linuxjournal.com// https://linuxjournal.com/ — 301 — 273 B — 459 ms — http/1.1https://www.linuxjournal.com/www.linuxjournal.com/ https://www.linuxjournal.com/ — 200 — 55.3 KiB — 768 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/align.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/align.module.css?snzigw — 200 — 817 B — 439 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/fieldgroup.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/fieldgroup.module.css?snzigw — 200 — 426 B — 450 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/container-inline.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/container-inline.module.css?snzigw — 200 — 608 B — 451 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/clearfix.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/clearfix.module.css?snzigw — 200 — 639 B — 456 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/details.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/details.module.css?snzigw — 200 — 459 B — 460 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/hidden.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/hidden.module.css?snzigw — 200 — 1.7 KiB — 473 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/item-list.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/item-list.module.css?snzigw — 200 — 618 B — 588 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/js.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/js.module.css?snzigw — 200 — 735 B — 599 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/nowrap.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/nowrap.module.css?snzigw — 200 — 427 B — 601 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/position-container.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/position-container.module.css?snzigw — 200 — 426 B — 606 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/progress.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/progress.module.css?snzigw — 200 — 1.1 KiB — 612 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/reset-appearance.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/reset-appearance.module.css?snzigw — 200 — 607 B — 630 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/resize.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/resize.module.css?snzigw — 200 — 603 B — 740 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/sticky-header.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/sticky-header.module.css?snzigw — 200 — 495 B — 749 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/system-status-counter.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/system-status-counter.css?snzigw — 200 — 1.1 KiB — 751 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/system-status-report-counters.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/system-status-report-counters.css?snzigw — 200 — 890 B — 758 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/system-status-report-general-info.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/system-status-report-general-info.css?snzigw — 200 — 587 B — 764 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/tablesort.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/tablesort.module.css?snzigw — 200 — 698 B — 787 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/tree-child.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/tree-child.module.css?snzigw — 200 — 799 B — 889 ms — http/1.1https://www.linuxjournal.com/modules/contrib/poll/css/poll.base.css?snzigwwww.linuxjournal.com/modules/contri... https://www.linuxjournal.com/modules/contrib/poll/css/poll.base.css?snzigw — 200 — 587 B — 899 ms — http/1.1https://www.linuxjournal.com/modules/contrib/poll/css/poll.theme.css?snzigwwww.linuxjournal.com/modules/contri... https://www.linuxjournal.com/modules/contrib/poll/css/poll.theme.css?snzigw — 200 — 779 B — 901 ms — http/1.1https://www.linuxjournal.com/core/modules/views/css/views.module.css?snzigwwww.linuxjournal.com/core/modules/v... https://www.linuxjournal.com/core/modules/views/css/views.module.css?snzigw — 200 — 767 B — 909 ms — http/1.1https://www.linuxjournal.com/modules/contrib/webform/modules/webform_bootstrap/css/webform_bootstrap.css?snzigwwww.linuxjournal.com/modules/contri... https://www.linuxjournal.com/modules/contrib/webform/modules/webform_bootstrap/css/webform_bootstrap.css?snzigw — 200 — 1.8 KiB — 917 ms — http/1.1https://www.linuxjournal.com/libraries/shariff/shariff.complete.css?snzigwwww.linuxjournal.com/libraries/shar... https://www.linuxjournal.com/libraries/shariff/shariff.complete.css?snzigw — 200 — 40.5 KiB — 1.3 s — http/1.1https://www.linuxjournal.com/themes/linuxjournal/css/style.css?snzigwwww.linuxjournal.com/themes/linuxjo... https://www.linuxjournal.com/themes/linuxjournal/css/style.css?snzigw — 200 — 198.6 KiB — 1.3 s — http/1.1https://www.linuxjournal.com/themes/linuxjournal/css/fonts.css?snzigwwww.linuxjournal.com/themes/linuxjo... https://www.linuxjournal.com/themes/linuxjournal/css/fonts.css?snzigw — 200 — 1.5 KiB — 1.0 s — http/1.1https://slashdot.org/country.jsslashdot.org/country.js https://slashdot.org/country.js — 200 — 241 B — 807 ms — h2https://www.linuxjournal.com/themes/linuxjournal/js/ada.jswww.linuxjournal.com/themes/linuxjo... https://www.linuxjournal.com/themes/linuxjournal/js/ada.js — 200 — 773 B — 926 ms — http/1.1
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 3.1 s LCP 4.1 shttps://linuxjournal.com// https://linuxjournal.com/ — 301 — 273 B — 459 ms — http/1.1https://www.linuxjournal.com/www.linuxjournal.com/ https://www.linuxjournal.com/ — 200 — 55.3 KiB — 768 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/align.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/align.module.css?snzigw — 200 — 817 B — 439 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/fieldgroup.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/fieldgroup.module.css?snzigw — 200 — 426 B — 450 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/container-inline.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/container-inline.module.css?snzigw — 200 — 608 B — 451 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/clearfix.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/clearfix.module.css?snzigw — 200 — 639 B — 456 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/details.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/details.module.css?snzigw — 200 — 459 B — 460 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/hidden.module.css?snzigwwww.linuxjournal.com/core/modules/s... https://www.linuxjournal.com/core/modules/system/css/components/hidden.module.css?snzigw — 200 — 1.7 KiB — 473 ms — http/1.1https://www.linuxjournal.com/core/modules/system/css/components/item-list.module.css?snzigwwww.linuxjournal.com/core/modules/s... 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http/1.1https://www.linuxjournal.com/sites/default/files/styles/200x200_square/public/nodeimage/story/mx-linux-pushes-back-against-age-verification-a-stand-for-privacy-and-open-source-principles.jpg?itok=gB7B8kQ3www.linuxjournal.com/sites/default/... https://www.linuxjournal.com/sites/default/files/styles/200x200_square/public/nodeimage/story/mx-linux-pushes-back-against-age-verification-a-stand-for-privacy-and-open-source-principles.jpg?itok=gB7B8kQ3 — 200 — 6.0 KiB — 152 ms — http/1.1https://www.linuxjournal.com/sites/default/files/styles/200x200_square/public/nodeimage/story/libreoffice-drives-europes-open-source-shift-a-growing-push-for-digital-sovereignty.jpg?itok=TmKl9Irkwww.linuxjournal.com/sites/default/... https://www.linuxjournal.com/sites/default/files/styles/200x200_square/public/nodeimage/story/libreoffice-drives-europes-open-source-shift-a-growing-push-for-digital-sovereignty.jpg?itok=TmKl9Irk — 200 — 10.5 KiB — 154 ms — http/1.1https://www.linuxjournal.com/core/misc/feed.svgwww.linuxjournal.com/core/misc/feed... https://www.linuxjournal.com/core/misc/feed.svg — 200 — 800 B — 158 ms — http/1.1https://fonts.googleapis.com/icon?family=Material+Iconsfonts.googleapis.com/icon?family=Ma... https://fonts.googleapis.com/icon?family=Material+Icons — 200 — 817 B — 118 ms — h2https://www.linuxjournal.com/themes/linuxjournal/favicon.icowww.linuxjournal.com/themes/linuxjo... https://www.linuxjournal.com/themes/linuxjournal/favicon.ico — 200 — 1.7 KiB — 158 ms — http/1.1https://fonts.gstatic.com/s/materialicons/v145/flUhRq6tzZclQEJ-Vdg-IuiaDsNcIhQ8tQ.woff2fonts.gstatic.com/s/materialicons/v... https://fonts.gstatic.com/s/materialicons/v145/flUhRq6tzZclQEJ-Vdg-IuiaDsNcIhQ8tQ.woff2 — 200 — 125.6 KiB — 126 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 253ms · 418KB · $3/mo
www.linuxjournal.com
Other
Optional
Execution 125ms
Transfer 55 KB
Monthly Cost $2/mo
Unattributable
Other
Optional
Execution 76ms
Transfer 0 KB
Monthly Cost $1/mo
www.gstatic.com
Other
Optional
Execution 51ms
Transfer 362 KB
Unused 67%
Monthly Cost $1/mo

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

67% of www.gstatic.com'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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