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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
79
GRADE
C
FIX
3
REVIEW
4
PASS
8
INFO
2

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

Mobile Desktop
54
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
98
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
92
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.

6.75 s

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

13.45 s

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

235 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.

7.46 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.

13.48 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 4 REVIEW 3 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 (1.6 MiB of 1.6 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
75 resources · 1.6 MB · 291 KB savings available
FIX
75 resources · 1.6 MB · 291 KB savings available
Warning::
Page weight 609 KB over 1MB target
Got: 1.6 MB Expected: ≤ 1 MB
Info::
~291 KB of savings available
Warning::
74 third-party resources (100% of weight)
75 resources · 1.6 MiB · 74 third-party 609.3 KiB over 1MB target
JavaScript 46% · 750.9 KiB
Image 36% · 583.8 KiB
Font 11% · 174.2 KiB
CSS 4% · 66.1 KiB
Other 2% · 40.0 KiB
Document 1% · 18.3 KiB

~291.4 KiB of savings available

Remove unused JavaScript: 291.4 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
1.6 MB transferred, 75 requests
REVIEW
1.6 MB transferred, 75 requests
Info::
Page weighs 3.5 MB (1.6 MB transferred)
Warning::
JavaScript is 751 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 751 KB
Info::
75 HTTP requests
Info::
Estimated 0.33 g CO2 per page load
1.6 MB / 2.4 MB budget
1.6 MB transferred
75 requests
0.33 g CO2 per page load
JavaScript 750.9 KiB 46%
Images 580.0 KiB 36%
Fonts 174.2 KiB 11%
CSS 66.1 KiB 4%
Other 26.5 KiB 2%
HTML 17.5 KiB 1%
Other 15.8 KiB 1%
Other 1.3 KiB 0%
Other 1.0 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

C
Image Optimization
Action
17 images, 0 KB saveable
REVIEW
17 images, 0 KB saveable
Warning::
https://www.ingentaconnect.com/images/ic_ingenta_l... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/ingenta-conn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/journal-logo... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/journal-logo... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/123.jpg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/katina-banne... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/journal-logo... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://assets.crossref.org/logo/crossref-logo-lan... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/ic_counter_l... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/katina-skysc... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.ingentaconnect.com/images/journal-logo... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
17 images 580 KB
0 oversized -0 KB
17 legacy format
11 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

C
JS Execution Cost
Action
1925ms total JS execution
REVIEW
1925ms total JS execution
Warning::
Unattributable: 438ms CPU time
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 385ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-FWEP...: 240ms CPU time
Info::
https://www.ingentaconnect.com/js/jquery/jquery.mi...: 228ms CPU time
Info::
https://cdn.openshareweb.com/v2/71c6eb22/main.js: 170ms CPU time
Warning::
Third-party scripts: 1925ms (100% of total)

Main Thread Breakdown

Script Evaluation 60% Other 16% Script Parsing & Compilation 10% Style & Layout 8% Parse HTML & CSS 3%
ScriptTotalScriptingParse/CompileParty
Unattributable438ms127ms0ms3rd
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js385ms332ms42ms3rd
https://www.googletagmanager.com/gtag/js?id=G-FWEPW5188Q&cx=c&gtm=4e64h1240ms188ms50ms3rd
https://www.ingentaconnect.com/js/jquery/jquery.min.js228ms93ms10ms3rd
https://cdn.openshareweb.com/v2/71c6eb22/main.js170ms148ms11ms3rd
https://www.googletagmanager.com/gtag/js?id=UA-1313315-1124ms98ms25ms3rd
https://www.ingentaconnect.com/117ms6ms4ms3rd
https://www.googletagservices.com/tag/js/gpt.js88ms74ms14ms3rd
https://www.ingentaconnect.com/js/jquery/jquery-ui-1.11.4.min.js76ms36ms23ms3rd
https://pagead2.googlesyndication.com/pagead/js/rum.js59ms50ms5ms3rd
C
JS Bundles
Action
26 scripts, 291 KB unused
REVIEW
26 scripts, 291 KB unused
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 111 KB unused (59%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=UA-131...: 64 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-FWEP...: 61 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.ingentaconnect.com/js/jquery/jquery-ui...: 56 KB unused (90%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 291 KB
291 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js188 KB111 KB (59%)✓3rd
https://www.googletagmanager.com/gtag/js?id=UA-1313315-1125 KB64 KB (51%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-FWEPW5188Q&cx=c&gtm=4e64h1148 KB61 KB (41%)✓3rd
https://www.ingentaconnect.com/js/jquery/jquery-ui-1.11.4.min.js62 KB56 KB (90%)✓3rd
https://www.ingentaconnect.com/js/rwd/enquire.min.js1 KB—✓3rd
https://www.googletagservices.com/tag/js/gpt.js34 KB—✓3rd
https://www.ingentaconnect.com/js/jquery/jquery.bookmark.js6 KB—✗3rd
https://www.ingentaconnect.com/js/menus.js0 KB—✓3rd
https://www.ingentaconnect.com/js/jquery/jquery.functions.js1 KB—✓3rd
https://www.ingentaconnect.com/js/site.js7 KB—✗3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

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
4 fonts (174 KB)
PASS
4 fonts (174 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

174 KB total

Render-blocking

0

of 4

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 FCP 6.7 s LCP 13.4 shttps://www.ingentaconnect.com/fonts/OpenSans-Regular-webfont.woffOpenSans-Regular-webfon... https://www.ingentaconnect.com/fonts/OpenSans-Regular-webfont.woff — 83.1 KiB — 34 ms — font-display: swaphttps://www.ingentaconnect.com/fonts/fontawesome-webfont.woff2fontawesome-webfont.woff2 https://www.ingentaconnect.com/fonts/fontawesome-webfont.woff2 — 55.6 KiB — 28 ms — font-display: swaphttps://www.ingentaconnect.com/fonts/montserrat-v23-latin-700.woff2montserrat-v23-latin-70... https://www.ingentaconnect.com/fonts/montserrat-v23-latin-700.woff2 — 12.6 KiB — 51 ms — font-display: swaphttps://www.ingentaconnect.com/fonts/glyphicons-halflings-regular.woffglyphicons-halflings-re... https://www.ingentaconnect.com/fonts/glyphicons-halflings-regular.woff — 22.9 KiB — 45 ms — font-display: swap
OpenSans-Regular-webfon... woff swap
Size 83 KB
Load time 34 ms
Start 600 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
fontawesome-webfont.woff2 woff2 swap
Size 56 KB
Load time 28 ms
Start 602 ms
Risk FOUT — text flashes from fallback to web font
montserrat-v23-latin-70... woff2 swap
Size 13 KB
Load time 51 ms
Start 602 ms
Risk FOUT — text flashes from fallback to web font
glyphicons-halflings-re... woff swap
Size 23 KB
Load time 45 ms
Start 603 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
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 ~32 KB and ~64 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
1 hints, 0 missing preconnects
PASS
1 hints, 0 missing preconnects
Info::
Page uses 1 resource hint(s)

Current Resource Hints

preconnect
—
preload
1
dns-prefetch
—
prefetch
—

1 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
75 requests over 2951ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s FCP 6.7 s LCP 13.4 shttps://ingentaconnect.com// https://ingentaconnect.com/ — 301 — 440 B — 89 ms — h2https://www.ingentaconnect.com/www.ingentaconnect.com/ https://www.ingentaconnect.com/ — 200 — 8.6 KiB — 256 ms — h2https://cdn.shareaholic.net/assets/pub/shareaholic.jscdn.shareaholic.net/assets/pub/shar... https://cdn.shareaholic.net/assets/pub/shareaholic.js — 200 — 4.7 KiB — 133 ms — h2https://www.ingentaconnect.com/css/connect/jquery.bookmark.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/jquery.bookmark.css — 200 — 773 B — 34 ms — h2https://www.ingentaconnect.com/css/connect/template_layout.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/template_layout.css — 200 — 1.1 KiB — 37 ms — h2https://www.ingentaconnect.com/css/connect/content.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/content.css — 200 — 2.1 KiB — 41 ms — h2https://www.ingentaconnect.com/css/connect/menus.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/menus.css — 200 — 1.6 KiB — 35 ms — h2https://www.ingentaconnect.com/css/connect/reset.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/reset.css — 200 — 567 B — 39 ms — h2https://www.ingentaconnect.com/css/connect/bobby.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/bobby.css — 200 — 290 B — 37 ms — h2https://www.ingentaconnect.com/css/connect/admin/ui-theme/cupertino/jquery-ui-1.11.4.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/admin/ui-theme/cupertino/jquery-ui-1.11.4.css — 200 — 8.2 KiB — 54 ms — h2https://www.ingentaconnect.com/css/connect/home.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/home.css — 200 — 1.4 KiB — 41 ms — h2https://www.ingentaconnect.com/css/common/jquery-ajaxCarousel.csswww.ingentaconnect.com/css/common/j... https://www.ingentaconnect.com/css/common/jquery-ajaxCarousel.css — 200 — 519 B — 49 ms — h2https://www.ingentaconnect.com/Less/ingenta.csswww.ingentaconnect.com/Less/ingenta... https://www.ingentaconnect.com/Less/ingenta.css — 200 — 48.9 KiB — 69 ms — h2https://www.ingentaconnect.com/js/jquery/jquery.min.jswww.ingentaconnect.com/js/jquery/jq... https://www.ingentaconnect.com/js/jquery/jquery.min.js — 200 — 32.5 KiB — 64 ms — h2https://www.ingentaconnect.com/js/bootstrap.min.jswww.ingentaconnect.com/js/bootstrap... https://www.ingentaconnect.com/js/bootstrap.min.js — 200 — 7.6 KiB — 53 ms — h2https://www.ingentaconnect.com/js/ingenta/dialoguePopup.jswww.ingentaconnect.com/js/ingenta/d... https://www.ingentaconnect.com/js/ingenta/dialoguePopup.js — 200 — 1.5 KiB — 47 ms — h2https://www.ingentaconnect.com/js/common/loader.jswww.ingentaconnect.com/js/common/lo... https://www.ingentaconnect.com/js/common/loader.js — 200 — 218 B — 49 ms — h2https://www.ingentaconnect.com/js/common/popup.jswww.ingentaconnect.com/js/common/po... https://www.ingentaconnect.com/js/common/popup.js — 200 — 602 B — 41 ms — h2https://www.ingentaconnect.com/js/jquery/jquery.bookmark.jswww.ingentaconnect.com/js/jquery/jq... https://www.ingentaconnect.com/js/jquery/jquery.bookmark.js — 200 — 5.9 KiB — 45 ms — h2https://www.ingentaconnect.com/js/menus.jswww.ingentaconnect.com/js/menus.js https://www.ingentaconnect.com/js/menus.js — 200 — 402 B — 67 ms — h2https://www.ingentaconnect.com/js/jquery/jquery.functions.jswww.ingentaconnect.com/js/jquery/jq... https://www.ingentaconnect.com/js/jquery/jquery.functions.js — 200 — 685 B — 67 ms — h2https://www.ingentaconnect.com/js/site.jswww.ingentaconnect.com/js/site.js https://www.ingentaconnect.com/js/site.js — 200 — 6.9 KiB — 67 ms — h2https://www.ingentaconnect.com/js/jquery/jquery-ui-1.11.4.min.jswww.ingentaconnect.com/js/jquery/jq... https://www.ingentaconnect.com/js/jquery/jquery-ui-1.11.4.min.js — 200 — 62.3 KiB — 72 ms — h2https://www.ingentaconnect.com/js/jquery-ajaxCarousel.jswww.ingentaconnect.com/js/jquery-aj... https://www.ingentaconnect.com/js/jquery-ajaxCarousel.js — 200 — 1.2 KiB — 68 ms — h2https://www.ingentaconnect.com/js/rwd/enquire.min.jswww.ingentaconnect.com/js/rwd/enqui... https://www.ingentaconnect.com/js/rwd/enquire.min.js — 200 — 1.1 KiB — 68 ms — h2https://www.ingentaconnect.com/js/rwd/enquire-settings.jswww.ingentaconnect.com/js/rwd/enqui... https://www.ingentaconnect.com/js/rwd/enquire-settings.js — 200 — 1.4 KiB — 68 ms — h2https://www.ingentaconnect.com/js/admin/metastore-tools-popup.jswww.ingentaconnect.com/js/admin/met... https://www.ingentaconnect.com/js/admin/metastore-tools-popup.js — 200 — 1.0 KiB — 55 ms — h2https://www.ingentaconnect.com/images/ingenta-connect_182x60.pngwww.ingentaconnect.com/images/ingen... https://www.ingentaconnect.com/images/ingenta-connect_182x60.png — 200 — 6.2 KiB — 54 ms — h2https://www.ingentaconnect.com/images/journal-logos/inmm/jnmm.pngwww.ingentaconnect.com/images/journ... https://www.ingentaconnect.com/images/journal-logos/inmm/jnmm.png — 200 — 60.0 KiB — 57 ms — h2https://www.ingentaconnect.com/images/journal-logos/smart/ajec.pngwww.ingentaconnect.com/images/journ... https://www.ingentaconnect.com/images/journal-logos/smart/ajec.png — 200 — 83.3 KiB — 54 ms — h2
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s FCP 6.7 s LCP 13.4 shttps://ingentaconnect.com// https://ingentaconnect.com/ — 301 — 440 B — 89 ms — h2https://www.ingentaconnect.com/www.ingentaconnect.com/ https://www.ingentaconnect.com/ — 200 — 8.6 KiB — 256 ms — h2https://cdn.shareaholic.net/assets/pub/shareaholic.jscdn.shareaholic.net/assets/pub/shar... https://cdn.shareaholic.net/assets/pub/shareaholic.js — 200 — 4.7 KiB — 133 ms — h2https://www.ingentaconnect.com/css/connect/jquery.bookmark.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/jquery.bookmark.css — 200 — 773 B — 34 ms — h2https://www.ingentaconnect.com/css/connect/template_layout.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/template_layout.css — 200 — 1.1 KiB — 37 ms — h2https://www.ingentaconnect.com/css/connect/content.csswww.ingentaconnect.com/css/connect/... https://www.ingentaconnect.com/css/connect/content.css — 200 — 2.1 KiB — 41 ms — 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https://ep2.adtrafficquality.google/sodar/sodar2.js — 200 — 7.9 KiB — 94 ms — h2https://securepubads.g.doubleclick.net/pagead/managed/dict/m202604210101/gptsecurepubads.g.doubleclick.net/page... https://securepubads.g.doubleclick.net/pagead/managed/dict/m202604210101/gpt — 200 — 23.0 KiB — 47 ms — h3https://ep2.adtrafficquality.google/sodar/sodar2/254/runner.htmlep2.adtrafficquality.google/sodar/s... https://ep2.adtrafficquality.google/sodar/sodar2/254/runner.html — 200 — 5.8 KiB — 70 ms — h2https://pagead2.googlesyndication.com/bg/dj12lhpBI2WR1GQ6n5lcmp69XlpHOiTAWO7c9b6NTo0.jspagead2.googlesyndication.com/bg/dj... https://pagead2.googlesyndication.com/bg/dj12lhpBI2WR1GQ6n5lcmp69XlpHOiTAWO7c9b6NTo0.js — 200 — 21.6 KiB — 80 ms — h3https://pagead2.googlesyndication.com/pagead/ping?e=1pagead2.googlesyndication.com/pagea... https://pagead2.googlesyndication.com/pagead/ping?e=1 — 204 — 20 B — 26 ms — h3https://ep2.adtrafficquality.google/generate_204?Pr-x9gep2.adtrafficquality.google/generat... https://ep2.adtrafficquality.google/generate_204?Pr-x9g — 204 — 40 B — 24 ms — h2https://ep1.adtrafficquality.google/pagead/sodar?id=sodar2&v=254&t=2&li=gpt_m202604160201&jk=7297152045980707&bg=!-Pul-5nNAAY2C5OeFgs7AEcBe5WfOHJ-To65l8ueZp6uty7oNBDiKUEw7swhqIEjJ5Bjp1wcm28jYm0yqOPShT0p4aheR8jJP11XmUMaS0VpVUkKV0rReAIAAABHUgAAAAVoAQd-ADbLhTVeVuIgXpTJlgXIfcAxq66DCcHu2yZra4Zqqgv1FQaOhZxg5xc_nfJ8YM5G7Gh1qeaTc8WZAroFeX7TnNc9_Mmud7AnOxOM8xgYW5p_tib2Wou7ortthN6hMzqav2clXzHg_QUYPQNl-yRluzcJIk6QhybxIJ3pltA8xHCvYII5d_VJmujX-dcELovHp61I-L3okyo3oZfu0DgCvkRna-VDmcLZal1QtIPoYP1G5eQTyaX_NJGlZ5RZAlp4xpRHZuPwJtv3T2R5PxibrfsC1yu80sFrJUKuJ60iOunSOB_Ebe7KHWK7V7CwHeFzIpPQrZTKuKNr_15A8NNj9NpfNKyur5malQvnqx-UBd4FbijovNaLVp2AsVRHJg2CZAq_ZO2GsAICm907td_GYJppWeeRwZP5lin1a9XWFrxVqsdrk2AKpMwkcoxUwFmWNiKWwiGCO1-_us9kRB9sfCMX-H_iBxb5RJJOi73uV-9CbPfn9MbbtaR5as7Oy0sWCdBSFl_fhpRxXBDSMs9s-_hs5sI06Lf2BCUdAT1HkWXwZNhO6zCKRI4lUbuSCAIG-ZtJzsH1DSSqEv4_syiga40I0fyTEhCZXWvbqig2L-2uFnOcmo5HGvFVPki1gIhkCPvkTAOh3w0isZotUXzCkBtgqJn7aXbx76QoDxQMy0W0YuXaJay-EmDvT-zh4MQPZOKA-lwJKzI1-d7xNnP36JHo2t5DLZme4KaC3rgGM8Q9fv98Es9N94CWbWaiE661Oik9FWPxSNyONicbKvdu6RIFYd5Bsb70jP4VxJUXfMRXeXjnVMLTUM-U2JrNaiJ2AuhkuxyV9xvlC7u-CSzXrhJVI42LqFF0nLGowhdIqj_wirOVUzNbEeL0Hau95aRRKtr5vDyYW8LmeKcZ_Ylo2uSoxSPWjEc-NfDexh9ecrUr5YsbeDroV7ytTK3QfgKYxkXaNFeJuNfBQONbuLpTgJv3z8wSTHVYWRQuWkVLpcLDgOL0Pgep1.adtrafficquality.google/pagead/... https://ep1.adtrafficquality.google/pagead/sodar?id=sodar2&v=254&t=2&li=gpt_m202604160201&jk=7297152045980707&bg=!-Pul-5nNAAY2C5OeFgs7AEcBe5WfOHJ-To65l8ueZp6uty7oNBDiKUEw7swhqIEjJ5Bjp1wcm28jYm0yqOPShT0p4aheR8jJP11XmUMaS0VpVUkKV0rReAIAAABHUgAAAAVoAQd-ADbLhTVeVuIgXpTJlgXIfcAxq66DCcHu2yZra4Zqqgv1FQaOhZxg5xc_nfJ8YM5G7Gh1qeaTc8WZAroFeX7TnNc9_Mmud7AnOxOM8xgYW5p_tib2Wou7ortthN6hMzqav2clXzHg_QUYPQNl-yRluzcJIk6QhybxIJ3pltA8xHCvYII5d_VJmujX-dcELovHp61I-L3okyo3oZfu0DgCvkRna-VDmcLZal1QtIPoYP1G5eQTyaX_NJGlZ5RZAlp4xpRHZuPwJtv3T2R5PxibrfsC1yu80sFrJUKuJ60iOunSOB_Ebe7KHWK7V7CwHeFzIpPQrZTKuKNr_15A8NNj9NpfNKyur5malQvnqx-UBd4FbijovNaLVp2AsVRHJg2CZAq_ZO2GsAICm907td_GYJppWeeRwZP5lin1a9XWFrxVqsdrk2AKpMwkcoxUwFmWNiKWwiGCO1-_us9kRB9sfCMX-H_iBxb5RJJOi73uV-9CbPfn9MbbtaR5as7Oy0sWCdBSFl_fhpRxXBDSMs9s-_hs5sI06Lf2BCUdAT1HkWXwZNhO6zCKRI4lUbuSCAIG-ZtJzsH1DSSqEv4_syiga40I0fyTEhCZXWvbqig2L-2uFnOcmo5HGvFVPki1gIhkCPvkTAOh3w0isZotUXzCkBtgqJn7aXbx76QoDxQMy0W0YuXaJay-EmDvT-zh4MQPZOKA-lwJKzI1-d7xNnP36JHo2t5DLZme4KaC3rgGM8Q9fv98Es9N94CWbWaiE661Oik9FWPxSNyONicbKvdu6RIFYd5Bsb70jP4VxJUXfMRXeXjnVMLTUM-U2JrNaiJ2AuhkuxyV9xvlC7u-CSzXrhJVI42LqFF0nLGowhdIqj_wirOVUzNbEeL0Hau95aRRKtr5vDyYW8LmeKcZ_Ylo2uSoxSPWjEc-NfDexh9ecrUr5YsbeDroV7ytTK3QfgKYxkXaNFeJuNfBQONbuLpTgJv3z8wSTHVYWRQuWkVLpcLDgOL0Pg — 204 — 17 B — 47 ms — h3https://csi.gstatic.com/csi?v=2&s=pagead&action=csi_pagead&dmc=8&top=1&puid=1~mo972r4k&c=7297152045980707&e=31097993%2C31061691%2C31061693&ctx=1&met.9=1.h7~2.n8~9.0~3_1.ot~7_1.0~7_2.0~7_3.0~7_4.0~7_5.0~7_6.0~4_1.s2~5_1.sb~5_2.sc~5_3.sc~5_4.sd~5_5.sd~5_6.sd&met.3=112.qr_1~113.10w_2&met.7=CBsQCMABqauB3g4~CBsQByDEAjiIAcAB_LmGlA4~CBsQByDFAjglwAG64ZDSAg~CBsQByDFAjgpwAGtusv_Dw~CBsQByDFAjgtwAHaycvZAQ~CBsQByDFAjgnwAHO2s6_DQ~CBsQByDFAjgqwAHoqM6mDg~CBsQByDFAjgrwAHR1dOuBg~CBsQByDFAjguwAHgj-rWDg~CBsQByDFAjg6wAGzy8CiBw~CBsQByDFAjg2wAG-2ozCCg~CBsQCiDFAjhGwAHC3rnlDA~CBsQByDFAjhLwAGi6d2mAg~CBsQCiDGAjg7wAH7t7uiDQ~CBsQCiDGAjgwwAGhhebCBg~CBsQCiDGAjg4wAGYgoaSCg~CBsQCiDGAjg2wAH1vupF~CBsQCiDGAjg1wAGMocYl~CBsQCiDGAjhKwAHI-c_PAQ~CBsQCiDGAjhLwAG4_ICpDg~CBsQCiDGAjhLwAH34ZKnBw~CBsQCiDGAjhQwAHP687ZDA~CBsQCiDGAjhMwAGe3rEo~CBsQCiDGAjhNwAGGubvxAQ~CBsQCiDGAjhNwAHa07q5BQ~CA0QChgBIMYCKMYCMMUEOP4BQMgDSN4DUN4DWIsEYPMDaIsEcKsEeOqOAoABvowCiAGz1gawAQG4AQPAAeHb5t0L~CBsQByDIAjikAcAByrnpywU~CBsQCiDcAjg3wAHc_aOBBg~CBsQBiDcAjg3wAHutvWADg~CBsQBiDcAjg6wAHn3b_9AQ~CBsQBiDcAjhxwAGijaSEAg~CBsQBiDcAjhYwAG34ZD_Bg~CBsQBiDdAjiPAcAB6ZfW_As~CBsQBiDdAjiSAcAB06bNmgo~CBsQBiDdAjidAcABoJ3tmws~CBsQChgBIN0CKN0CMNcEOPoBwAGM1djrBA~CBsQBiDdAjiRAcABiKOx0As~CBsQBiDdAjiLAcABsbvX9A8~CBsQBiDdAjjzAsAB2a_Cxg0~CBsQCiDdAjjKAcAB2ff1zQU~CBsQDSCtAzg4wAGJqJ-zAQ~CBsQCiDVAzh0wAHyjazFAg~CBsQAiCuBDghwAH5nfffDw~CBsQAiCwBDhLwAGFteycBg~CBsQAiCwBDhIwAGm_9rYAQ~CBsQAiCwBDhewAGkl5-cAg~CBsQAiCwBDhZwAGVuNLWCw~CBsQDSDOBDg8wAGMz6fnCw~CBsQAiDRBDgcwAGi5pr5Dg~CEMQChgBIO0EKO0EMO8FOIMBQO0ESO4EUO4EWJsFYO4EaJsFcLEFeMffC4ABm90LiAHHviWwAQG4AQPAAdS31cIE~CBsQBiCQBTgdwAGM-tGRCQ~CBsQChgBIKsFKKsFMOQFODrAAYzV2OsE~CBsQCiCuBThiwAHZ67DzCg~CBsQBBgBIKUGKKUGMPgGOFPAAYCw2fQC~CCgQARgBIKYGKKYGMPEGOEzAAdPno8oF~CBsQBhgBIKcGKKcGMPUGOE1AqAZIqAZQqAZY1QZgvgZo1QZw9AZ41gKAASqIASqwAQG4AQPAAZOot8sF~CBkQChgBINcGKNcGML4HOGdA2AZI7QZQ7QZYmwdg7QZomwdwsgd478oBgAHDyAGIAYmiBLABAbgBA8ABlN3A2AU~~CBsQDSCNBTjEAsAB4MCWeA~CCcQBBgBIIEHKIEHMPEHOHBQgQdYrgdggQdorgdw7wd44QWAAbUDiAGoHbABAbgBA8ABkui12QU~CBsQBRgBIKIHKKIHMIAIOF9AqQdIuQdQuQdY5wdguQdo5wdw_wd43RqAAbEYiAHsObABAbgBA8AB2tj1jg8~CBsQCiDfBzjIAsABr7LI3Ac~CBsQCDisCsABqauB3g4~CBsQDSCuCjgUwAHttOWICA~CBwQBhgBILMKKLMKMMwKOBloswpwywp4rAKwAQG4AQPAAZSE4rUO~CBsgswo4HMABoZmfng4~CBsQDSCrCjhXwAHI6ey1Dw~CBsQCiCECzhfwAGSirvlAw~CFIQBxgBIMILKMILMPELODBQwgtY2wtgwwtoxAtw2wt4iroBgAHetwGIAbr8A7ABAbgBA8ABjK_65wk~CBsQBSDmCzhawAHa5cXWCw~CFQQBBgBINUMKNUMMO4MOBpo1Qxw7Qx4rAKwAQG4AQPAAfWUnY4L~CBsQBiDtETgwwAG_iLmSCQ&met.1=1.mo972qdt~6.2i~7.2k~8.2q~9.2q~10.3t~11.37~12.3u~13.8o~14.9n~15.8v~16.cy~17.fg~18.gg~19.10o~20.10o~21.10s&qqid.1=CMrUgeb-_5MDFRXBDQkdJ9YPPQ&qqid.2=CMvUgeb-_5MDFRXBDQkdJ9YPPQ&qqid.3=CMzUgeb-_5MDFRXBDQkdJ9YPPQ&qqid.4=CM3Ugeb-_5MDFRXBDQkdJ9YPPQ&qqid.5=CM7Ugeb-_5MDFRXBDQkdJ9YPPQ&qqid.6=CM_Ugeb-_5MDFRXBDQkdJ9YPPQcsi.gstatic.com/csi?v=2&s=pagead&ac... https://csi.gstatic.com/csi?v=2&s=pagead&action=csi_pagead&dmc=8&top=1&puid=1~mo972r4k&c=7297152045980707&e=31097993%2C31061691%2C31061693&ctx=1&met.9=1.h7~2.n8~9.0~3_1.ot~7_1.0~7_2.0~7_3.0~7_4.0~7_5.0~7_6.0~4_1.s2~5_1.sb~5_2.sc~5_3.sc~5_4.sd~5_5.sd~5_6.sd&met.3=112.qr_1~113.10w_2&met.7=CBsQCMABqauB3g4~CBsQByDEAjiIAcAB_LmGlA4~CBsQByDFAjglwAG64ZDSAg~CBsQByDFAjgpwAGtusv_Dw~CBsQByDFAjgtwAHaycvZAQ~CBsQByDFAjgnwAHO2s6_DQ~CBsQByDFAjgqwAHoqM6mDg~CBsQByDFAjgrwAHR1dOuBg~CBsQByDFAjguwAHgj-rWDg~CBsQByDFAjg6wAGzy8CiBw~CBsQByDFAjg2wAG-2ozCCg~CBsQCiDFAjhGwAHC3rnlDA~CBsQByDFAjhLwAGi6d2mAg~CBsQCiDGAjg7wAH7t7uiDQ~CBsQCiDGAjgwwAGhhebCBg~CBsQCiDGAjg4wAGYgoaSCg~CBsQCiDGAjg2wAH1vupF~CBsQCiDGAjg1wAGMocYl~CBsQCiDGAjhKwAHI-c_PAQ~CBsQCiDGAjhLwAG4_ICpDg~CBsQCiDGAjhLwAH34ZKnBw~CBsQCiDGAjhQwAHP687ZDA~CBsQCiDGAjhMwAGe3rEo~CBsQCiDGAjhNwAGGubvxAQ~CBsQCiDGAjhNwAHa07q5BQ~CA0QChgBIMYCKMYCMMUEOP4BQMgDSN4DUN4DWIsEYPMDaIsEcKsEeOqOAoABvowCiAGz1gawAQG4AQPAAeHb5t0L~CBsQByDIAjikAcAByrnpywU~CBsQCiDcAjg3wAHc_aOBBg~CBsQBiDcAjg3wAHutvWADg~CBsQBiDcAjg6wAHn3b_9AQ~CBsQBiDcAjhxwAGijaSEAg~CBsQBiDcAjhYwAG34ZD_Bg~CBsQBiDdAjiPAcAB6ZfW_As~CBsQBiDdAjiSAcAB06bNmgo~CBsQBiDdAjidAcABoJ3tmws~CBsQChgBIN0CKN0CMNcEOPoBwAGM1djrBA~CBsQBiDdAjiRAcABiKOx0As~CBsQBiDdAjiLAcABsbvX9A8~CBsQBiDdAjjzAsAB2a_Cxg0~CBsQCiDdAjjKAcAB2ff1zQU~CBsQDSCtAzg4wAGJqJ-zAQ~CBsQCiDVAzh0wAHyjazFAg~CBsQAiCuBDghwAH5nfffDw~CBsQAiCwBDhLwAGFteycBg~CBsQAiCwBDhIwAGm_9rYAQ~CBsQAiCwBDhewAGkl5-cAg~CBsQAiCwBDhZwAGVuNLWCw~CBsQDSDOBDg8wAGMz6fnCw~CBsQAiDRBDgcwAGi5pr5Dg~CEMQChgBIO0EKO0EMO8FOIMBQO0ESO4EUO4EWJsFYO4EaJsFcLEFeMffC4ABm90LiAHHviWwAQG4AQPAAdS31cIE~CBsQBiCQBTgdwAGM-tGRCQ~CBsQChgBIKsFKKsFMOQFODrAAYzV2OsE~CBsQCiCuBThiwAHZ67DzCg~CBsQBBgBIKUGKKUGMPgGOFPAAYCw2fQC~CCgQARgBIKYGKKYGMPEGOEzAAdPno8oF~CBsQBhgBIKcGKKcGMPUGOE1AqAZIqAZQqAZY1QZgvgZo1QZw9AZ41gKAASqIASqwAQG4AQPAAZOot8sF~CBkQChgBINcGKNcGML4HOGdA2AZI7QZQ7QZYmwdg7QZomwdwsgd478oBgAHDyAGIAYmiBLABAbgBA8ABlN3A2AU~~CBsQDSCNBTjEAsAB4MCWeA~CCcQBBgBIIEHKIEHMPEHOHBQgQdYrgdggQdorgdw7wd44QWAAbUDiAGoHbABAbgBA8ABkui12QU~CBsQBRgBIKIHKKIHMIAIOF9AqQdIuQdQuQdY5wdguQdo5wdw_wd43RqAAbEYiAHsObABAbgBA8AB2tj1jg8~CBsQCiDfBzjIAsABr7LI3Ac~CBsQCDisCsABqauB3g4~CBsQDSCuCjgUwAHttOWICA~CBwQBhgBILMKKLMKMMwKOBloswpwywp4rAKwAQG4AQPAAZSE4rUO~CBsgswo4HMABoZmfng4~CBsQDSCrCjhXwAHI6ey1Dw~CBsQCiCECzhfwAGSirvlAw~CFIQBxgBIMILKMILMPELODBQwgtY2wtgwwtoxAtw2wt4iroBgAHetwGIAbr8A7ABAbgBA8ABjK_65wk~CBsQBSDmCzhawAHa5cXWCw~CFQQBBgBINUMKNUMMO4MOBpo1Qxw7Qx4rAKwAQG4AQPAAfWUnY4L~CBsQBiDtETgwwAG_iLmSCQ&met.1=1.mo972qdt~6.2i~7.2k~8.2q~9.2q~10.3t~11.37~12.3u~13.8o~14.9n~15.8v~16.cy~17.fg~18.gg~19.10o~20.10o~21.10s&qqid.1=CMrUgeb-_5MDFRXBDQkdJ9YPPQ&qqid.2=CMvUgeb-_5MDFRXBDQkdJ9YPPQ&qqid.3=CMzUgeb-_5MDFRXBDQkdJ9YPPQ&qqid.4=CM3Ugeb-_5MDFRXBDQkdJ9YPPQ&qqid.5=CM7Ugeb-_5MDFRXBDQkdJ9YPPQ&qqid.6=CM_Ugeb-_5MDFRXBDQkdJ9YPPQ — 204 — 378 B — 526 ms — h2
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 1925ms · 665KB · €10/mo
Unattributable
Other
Costly
Execution 438ms
Transfer 0 KB
Monthly Cost €2/mo
securepubads.g.doubleclick.net
Other
Costly
Execution 385ms
Transfer 188 KB
Unused 59%
Monthly Cost €2/mo
Google Tag Manager
Tag Manager
Costly
Execution 240ms
Transfer 148 KB
Unused 41%
Monthly Cost €1/mo
www.ingentaconnect.com
Other
Costly
Execution 228ms
Transfer 33 KB
Monthly Cost €1/mo
cdn.openshareweb.com
Other
Optional
Execution 170ms
Transfer 41 KB
Monthly Cost €1/mo
Google Tag Manager
Tag Manager
Optional
Execution 124ms
Transfer 125 KB
Unused 51%
Monthly Cost €1/mo
www.ingentaconnect.com
Other
Optional
Execution 117ms
Transfer 9 KB
Monthly Cost €1/mo
www.googletagservices.com
Other
Optional
Execution 88ms
Transfer 34 KB
Monthly Cost €0/mo
www.ingentaconnect.com
Other
Optional
Execution 76ms
Transfer 62 KB
Unused 90%
Monthly Cost €0/mo
pagead2.googlesyndication.com
Other
Optional
Execution 59ms
Transfer 25 KB
Monthly Cost €0/mo

These scripts may cost more than they're worth

  • Unattributable adds 438ms and costs ~€2/month
  • securepubads.g.doubleclick.net adds 385ms and costs ~€2/month
  • Google Tag Manager adds 240ms and costs ~€1/month
  • www.ingentaconnect.com adds 228ms and costs ~€1/month

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

Why this matters

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

Learn more ▾

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

Source: web.dev

Unattributable takes 438ms 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

securepubads.g.doubleclick.net takes 385ms 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

59% of securepubads.g.doubleclick.net'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

Google Tag Manager takes 240ms 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.ingentaconnect.com takes 228ms 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

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

90% of www.ingentaconnect.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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