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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
77
GRADE
C
FIX
5
REVIEW
3
PASS
7
INFO
2

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

Mobile Desktop
35
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
96
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
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.

5.33 s

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

5.84 s

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

2.82 s

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.

5.84 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.

13.77 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
7 PASS 3 REVIEW 5 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 (1.4 MiB of 1.4 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
5288ms total JS execution
FIX
5288ms total JS execution
Warning::
https://www.reference.com/wp-content/plugins/maste...: 1639ms CPU time
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 787ms CPU time
Warning::
Unattributable: 783ms CPU time
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-KMF...: 673ms CPU time
Warning::
https://www.reference.com/: 450ms CPU time
Warning::
Third-party scripts: 5288ms (100% of total)

Main Thread Breakdown

Script Evaluation 72% Other 11% Script Parsing & Compilation 6% Style & Layout 5%
ScriptTotalScriptingParse/CompileParty
https://www.reference.com/wp-content/plugins/master-amg-plugin/assets/js/page-view-ga.js?m=1766132423g1639ms1636ms3ms3rd
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js787ms670ms75ms3rd
Unattributable783ms220ms0ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KMFC6W2673ms549ms79ms3rd
https://www.reference.com/450ms25ms5ms3rd
https://www.googletagmanager.com/gtag/js?id=G-JWGLYE8PG5&cx=c&gtm=4e64h1346ms277ms54ms3rd
https://cdn.cookielaw.org/scripttemplates/202410.1.0/otBannerSdk.js285ms205ms59ms3rd
https://securepubads.g.doubleclick.net/tag/js/gpt.js?_=1776803375480110ms95ms14ms3rd
https://www.reference.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.183ms70ms10ms3rd
https://www.reference.com/_static/??-eJydkEsOwjAMRC9EcCsWVReIs1iJGxLyU+zSHp9UCLGATbsbjfw8o4GlKJ2TUBIoYbYuMURkoaowWvW2AJlJGDyD5BzElbPnE+xEp9qOj4AFK4aA6xF2M23ONpBCs8JXKtbVlR19XNJhNsRNeNKiKGSNQS3OWJJP4v+ncqfYwEoTVUq65fNDRTIOt4oJn86iuJx2cL+z3uK1H4bLOHZ9N/oXuISxKA==79ms61ms7ms3rd

Showing top 10 of 11 scripts

D
JS Bundles
Action
20 scripts, 323 KB unused
FIX
20 scripts, 323 KB unused
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 100 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.cookielaw.org/scripttemplates/202410.1...: 66 KB unused (59%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-JWGL...: 62 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-KMF...: 53 KB unused (33%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.reference.com/wp-includes/js/jquery/jq...: 42 KB unused (49%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 323 KB
323 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js188 KB100 KB (53%)✓3rd
https://cdn.cookielaw.org/scripttemplates/202410.1.0/otBannerSdk.js112 KB66 KB (59%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-JWGLYE8PG5&cx=c&gtm=4e64h1144 KB62 KB (43%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KMFC6W2160 KB53 KB (33%)✓3rd
https://www.reference.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.186 KB42 KB (49%)✓3rd
https://securepubads.g.doubleclick.net/tag/js/gpt.js?_=177680337548034 KB—✓3rd
https://cdn.cookielaw.org/consent/08b32bf6-d4a7-4572-a522-de7fd1d26f41/OtAutoBlock.js?ver=6.8.52 KB—✓3rd
https://stats.wp.com/e-202617.js2 KB—✓3rd
https://www.reference.com/wp-content/plugins/master-amg-plugin/assets/js/page-view-ga.js?m=1766132423g7 KB—✓3rd
https://www.reference.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.15 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

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
83 resources · 1.4 MB · 323 KB savings available
FIX
83 resources · 1.4 MB · 323 KB savings available
Warning::
Page weight 377 KB over 1MB target
Got: 1.4 MB Expected: ≤ 1 MB
Info::
~323 KB of savings available
Warning::
82 third-party resources (100% of weight)
83 resources · 1.4 MiB · 82 third-party 377.3 KiB over 1MB target
JavaScript 63% · 883.2 KiB
Image 11% · 160.8 KiB
CSS 10% · 137.5 KiB
Other 7% · 92.9 KiB
Document 6% · 80.2 KiB
Font 3% · 46.6 KiB

~322.6 KiB of savings available

Remove unused JavaScript: 322.6 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
Page Weight Budget
1.4 MB transferred, 83 requests
REVIEW
1.4 MB transferred, 83 requests
Info::
Page weighs 3.5 MB (1.4 MB transferred)
Warning::
JavaScript is 883 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 883 KB
Info::
83 HTTP requests
Info::
Estimated 0.29 g CO2 per page load
1.4 MB / 2.4 MB budget
1.4 MB transferred
83 requests
0.29 g CO2 per page load
JavaScript 883.2 KiB 63%
Images 159.2 KiB 11%
CSS 133.2 KiB 10%
HTML 79.5 KiB 6%
Other 57.3 KiB 4%
Fonts 46.6 KiB 3%
Other 25.4 KiB 2%
Other 16.6 KiB 1%
Other 75 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget

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

B
Image Optimization
24 images, 0 KB saveable
REVIEW
24 images, 0 KB saveable
Info::
All images are well-optimized
24 images 159 KB
0 oversized -0 KB
11 legacy format
0 missing dimensions CLS risk
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
3 fonts (47 KB)
PASS
3 fonts (47 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

47 KB total

Render-blocking

0

of 3

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 FCP 5.3 s LCP 5.8 shttps://www.reference.com/wp-content/themes/reference-ask-media/assets/fonts/KFOmCnqEu92Fr1Mu4mxK.woff2KFOmCnqEu92Fr1Mu4mxK.woff2 https://www.reference.com/wp-content/themes/reference-ask-media/assets/fonts/KFOmCnqEu92Fr1Mu4mxK.woff2 — 15.5 KiB — 39 ms — font-display: swaphttps://www.reference.com/wp-content/themes/reference-ask-media/assets/fonts/ieVl2ZhZI2eCN5jzbjEETS9weq8-19K7DQ.woff2ieVl2ZhZI2eCN5jzbjEETS9... https://www.reference.com/wp-content/themes/reference-ask-media/assets/fonts/ieVl2ZhZI2eCN5jzbjEETS9weq8-19K7DQ.woff2 — 15.4 KiB — 26 ms — font-display: swaphttps://www.reference.com/wp-content/themes/reference-ask-media/assets/fonts/KFOlCnqEu92Fr1MmEU9fBBc4.woff2KFOlCnqEu92Fr1MmEU9fBBc... https://www.reference.com/wp-content/themes/reference-ask-media/assets/fonts/KFOlCnqEu92Fr1MmEU9fBBc4.woff2 — 15.7 KiB — 40 ms — font-display: swap
KFOmCnqEu92Fr1Mu4mxK.woff2 woff2 swap
Size 16 KB
Load time 39 ms
Start 1.7 s
Risk FOUT — text flashes from fallback to web font
ieVl2ZhZI2eCN5jzbjEETS9... woff2 swap
Size 15 KB
Load time 26 ms
Start 1.7 s
Risk FOUT — text flashes from fallback to web font
KFOlCnqEu92Fr1MmEU9fBBc... woff2 swap
Size 16 KB
Load time 40 ms
Start 1.7 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
3 hints, 0 missing preconnects
PASS
3 hints, 0 missing preconnects
Info::
Page uses 3 resource hint(s)

Current Resource Hints

preconnect
—
preload
—
dns-prefetch
3
prefetch
—

3 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
Network Waterfall
83 requests over 3825ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s FCP 5.3 s LCP 5.8 shttps://reference.com// https://reference.com/ — 301 — 131 B — 18 ms — h2https://www.reference.com/www.reference.com/ https://www.reference.com/ — 200 — 66.6 KiB — 88 ms — h2https://www.reference.com/wp-includes/css/dist/block-library/style.min.css?m=1774626878gwww.reference.com/wp-includes/css/d... https://www.reference.com/wp-includes/css/dist/block-library/style.min.css?m=1774626878g — 200 — 113.9 KiB — 1.1 s — h2https://www.reference.com/_static/??-eJzTLy/QzcxLzilNSS3WzyrWz01NyUxMzUnNTc0rQeEU5CRWphbp5qSmJyZX6uVm5uklFxfr6OPTDpRD5sM02efaGpqbm5gZmVmYWwIARPsu9A==www.reference.com/_static/??-eJzTLy... https://www.reference.com/_static/??-eJzTLy/QzcxLzilNSS3WzyrWz01NyUxMzUnNTc0rQeEU5CRWphbp5qSmJyZX6uVm5uklFxfr6OPTDpRD5sM02efaGpqbm5gZmVmYWwIARPsu9A== — 200 — 3.5 KiB — 22 ms — h2https://www.reference.com/wp-content/mu-plugins/search/elasticpress/dist/css/related-posts-block-styles.min.css?m=1774625888gwww.reference.com/wp-content/mu-plu... https://www.reference.com/wp-content/mu-plugins/search/elasticpress/dist/css/related-posts-block-styles.min.css?m=1774625888g — 200 — 344 B — 24 ms — h2https://www.reference.com/_static/??-eJyVj8sOgjAQRX/IsREX4ML4LaVcaqUtpDOE+PdWfAQjG3aTuXPP5KhpINNHQRQ1+NG6yEpzF9A4Tbam2veme64Ywsrwb9qmXH3f7HO4Uyu4oFmQSAdLr9WSNhM2VF00fmzAebjBCCH/1p4m11jIB8xy9/iDyhUhFxNaJEQDyiY0q2wvLAxWYvpaXcL5UJbHU1UVRfEAcBOIGg==www.reference.com/_static/??-eJyVj8... https://www.reference.com/_static/??-eJyVj8sOgjAQRX/IsREX4ML4LaVcaqUtpDOE+PdWfAQjG3aTuXPP5KhpINNHQRQ1+NG6yEpzF9A4Tbam2veme64Ywsrwb9qmXH3f7HO4Uyu4oFmQSAdLr9WSNhM2VF00fmzAebjBCCH/1p4m11jIB8xy9/iDyhUhFxNaJEQDyiY0q2wvLAxWYvpaXcL5UJbHU1UVRfEAcBOIGg== — 200 — 14.7 KiB — 24 ms — h2https://cdn.cookielaw.org/scripttemplates/otSDKStub.js?ver=6.8.5cdn.cookielaw.org/scripttemplates/o... https://cdn.cookielaw.org/scripttemplates/otSDKStub.js?ver=6.8.5 — 200 — 9.1 KiB — 45 ms — h2https://cdn.cookielaw.org/consent/08b32bf6-d4a7-4572-a522-de7fd1d26f41/OtAutoBlock.js?ver=6.8.5cdn.cookielaw.org/consent/08b32bf6-... https://cdn.cookielaw.org/consent/08b32bf6-d4a7-4572-a522-de7fd1d26f41/OtAutoBlock.js?ver=6.8.5 — 200 — 2.5 KiB — 53 ms — h2https://ak.staticimgfarm.com/images/gdpr/onetrust-reporting.js?ver=6.8.5ak.staticimgfarm.com/images/gdpr/on... https://ak.staticimgfarm.com/images/gdpr/onetrust-reporting.js?ver=6.8.5 — 200 — 1.3 KiB — 38 ms — http/1.1https://www.reference.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1www.reference.com/wp-includes/js/jq... https://www.reference.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 — 200 — 85.8 KiB — 86 ms — h2https://www.reference.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1www.reference.com/wp-includes/js/jq... https://www.reference.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1 — 200 — 5.0 KiB — 24 ms — h2https://www.reference.com/wp-content/plugins/master-amg-plugin/assets/js/page-view-ga.js?m=1766132423gwww.reference.com/wp-content/plugin... https://www.reference.com/wp-content/plugins/master-amg-plugin/assets/js/page-view-ga.js?m=1766132423g — 200 — 7.2 KiB — 24 ms — h2https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_544253224_Editorial_Use_Only.jpeg?resize=768,512www.reference.com/wp-content/upload... https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_544253224_Editorial_Use_Only.jpeg?resize=768,512 — 200 — 17.8 KiB — 21 ms — h2https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_725059791.jpeg?w=192&h=165&crop=1www.reference.com/wp-content/upload... https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_725059791.jpeg?w=192&h=165&crop=1 — 200 — 2.8 KiB — 78 ms — h2https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_420590090.jpeg?w=192&h=165&crop=1www.reference.com/wp-content/upload... https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_420590090.jpeg?w=192&h=165&crop=1 — 200 — 5.3 KiB — 22 ms — h2https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_43016029.jpeg?w=192&h=165&crop=1www.reference.com/wp-content/upload... https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_43016029.jpeg?w=192&h=165&crop=1 — 200 — 9.4 KiB — 6 ms — h2https://www.reference.com/wp-content/themes/reference-ask-media/assets/images/site-logo.svgwww.reference.com/wp-content/themes... https://www.reference.com/wp-content/themes/reference-ask-media/assets/images/site-logo.svg — 200 — 6.8 KiB — 7 ms — h2https://www.reference.com/_static/??-eJydkEsOwjAMRC9EcCsWVReIs1iJGxLyU+zSHp9UCLGATbsbjfw8o4GlKJ2TUBIoYbYuMURkoaowWvW2AJlJGDyD5BzElbPnE+xEp9qOj4AFK4aA6xF2M23ONpBCs8JXKtbVlR19XNJhNsRNeNKiKGSNQS3OWJJP4v+ncqfYwEoTVUq65fNDRTIOt4oJn86iuJx2cL+z3uK1H4bLOHZ9N/oXuISxKA==www.reference.com/_static/??-eJydkE... https://www.reference.com/_static/??-eJydkEsOwjAMRC9EcCsWVReIs1iJGxLyU+zSHp9UCLGATbsbjfw8o4GlKJ2TUBIoYbYuMURkoaowWvW2AJlJGDyD5BzElbPnE+xEp9qOj4AFK4aA6xF2M23ONpBCs8JXKtbVlR19XNJhNsRNeNKiKGSNQS3OWJJP4v+ncqfYwEoTVUq65fNDRTIOt4oJn86iuJx2cL+z3uK1H4bLOHZ9N/oXuISxKA== — 200 — 14.0 KiB — 7 ms — h2https://stats.wp.com/e-202617.jsstats.wp.com/e-202617.js https://stats.wp.com/e-202617.js — 200 — 1.7 KiB — 8 ms — h2https://cdn.cookielaw.org/consent/08b32bf6-d4a7-4572-a522-de7fd1d26f41/08b32bf6-d4a7-4572-a522-de7fd1d26f41.jsoncdn.cookielaw.org/consent/08b32bf6-... https://cdn.cookielaw.org/consent/08b32bf6-d4a7-4572-a522-de7fd1d26f41/08b32bf6-d4a7-4572-a522-de7fd1d26f41.json — 200 — 2.5 KiB — 34 ms — h2https://www.reference.com/wp-json/amg/v2/get-header-variablewww.reference.com/wp-json/amg/v2/ge... https://www.reference.com/wp-json/amg/v2/get-header-variable — 200 — 423 B — 403 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-KMFC6W2www.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-KMFC6W2 — 200 — 159.6 KiB — 84 ms — h2https://geolocation.onetrust.com/cookieconsentpub/v1/geo/locationgeolocation.onetrust.com/cookiecons... https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location — 200 — 307 B — 31 ms — h2https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_420714876.jpeg?w=192&h=165&crop=1www.reference.com/wp-content/upload... https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_420714876.jpeg?w=192&h=165&crop=1 — 200 — 7.7 KiB — 14 ms — h2https://www.reference.com/wp-content/uploads/sites/2/2024/06/AdobeStock_568784719.jpeg?w=192&h=165&crop=1www.reference.com/wp-content/upload... 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h3https://tracenep.admaster.cc/ju/ic?tn=2ce2e6e33746b4224011d22068a89c02&trackingid=1c739d25f13020f39bc7402e7f051f95&acid=24935&data=gFRynX1NepZFJxpOelgGSKQl1q5045YAR38dI6PVuRQt6SWp6iGZe9aPtBXSBxY2IKuxOmOu1hx2em2KhSdBlcWIe1WEgBpjHBrQzagAJIxiz1qv1c_ok8j95xuCbgmn7oXVa_aFY5qag5Bg77RGNweE1Vkr0Fr7QxRv4yR7TEdcxTHcHbac-1XwuAvyyf_S7Elq7mOYhVcDdQCNOf1mCvvWQcFvWaqviTr6z8ARfzzATr1NnaDKwmH6VyDGoFU1DsImJeYGLSubqPjT1u-6SQ_cCTTiy5iWhIF6WFkyEqOe8xMrSHtcrbtJ7vAEAE2duCL8lSma4V8Z2HCoblrCT7R7CqAnGTCX0cokAwp2NhTlq8AayDTGWlEpzJBDGrMB37nMK8PlKnZY2VPLN7ySeoMiT1iCLEpeXQO8Zp4la57V7-xnorzBDyir4RKV0Jzce2uG1MnaGe_k_Esn8uV5_9tqwVHOUdgliYkcOuJIEjv_vz33Gbu-rTpdkpXmn-94C0pikl4iZrMZLETg12qqj3WvOuIamZ9XH030RZyEi48a7ee-67SzStAM-BaFFfj_RaZrka4lZwrF0UYxmGiP5TJ4b1vEcg513PGvxvNdT4QuJ44r7kOIGFV5V6kws0AopcTSOTXqo7hIXSMxBrPpLJP47_h7XUNjVMOQasoVKT5A0PKh57HTMIcHZ6XXSeYOiY812lhb0vT1Mrpwwl1aseTEI_UHuSkamIVeFljy0NCtz5fFn0zIAdcaY1D1jXob5HHkdudrxTkDi42ns5H94-PGfxuez706fCIPCSC6zyLD-UKTBbgZpjq9MVawUHS9SWPlVDfidKxoTEl8LNLG5_dU_LeIFaVHjxEuTDIX18vLgyRDDUHjVFl-uP4x00l8m7dVXV2LKyw6GjvpMrXEn_eRgl3iEM2LfUCLeTVJuSd9n-pS30Y4waE6rRSafUbIRvsfsYCvIF9ppllcx-8kK-jBqLzcBpnkAvnl3KovMVJrnhfjUM2dzaHstde486WaFmzfGOXEypPk4h_0G7ybDDyn8oMMKMT4eZAWB2kW0tiAWO_0JAd0QJn7WPNjbz_qP9y2A8TGzgEKfi9SALrfSSyAosdkkWI-uD9HgvV0P1_G_NlQYec0w8CphLTFoukGEngBDxp-w_TzMkAuk6aKoahZhh-LG2VnbXjjZHADBtDlZ6JbxBE5Qe7-itxAsYmAe4PE22DgP31a14EVWplhtidlsWYbFcbJTWGPPPM7mzKZ5_vs_V5C0ncmepuqAY6YzV0n4PaWsN9JztUD2x5SeNLvm2Ne9SqsTbID-5piJgZycdcW8JKD6gxeG2Z2MnFCKnL3iMV7_2uT9lvnE0_vp4S-DtVBx9XZadT5xgesLjzd7Skh-AdUhXu2VPawLiNtjj5ICsW9OykqOw5VtURJYR3NKFEK9hVGAV4yuzftkr8UPW3igBic6ogJHc6YPyx0KmAGg1o0rHLGakZ4ES6nCdUKcN9gAHJpOme0HbVjtAN97K7eZIAIv9PPZQrfzNi0MoDpYUoowbU4SnzNlEZAybhisQs4DVttxdjfzLl9_5dVTWYYVxfSbCSN7CfcHGgVkxSUEL8QdrmwhfhadnEgSFJHkriKShAl-26r_m-2T8twvKvmNDJrEHwUIIUPco5HpHlsau7WScCngMzM8VcCwwUSvsQYafAXpmnypMxCIKE&uid=mid_74eef904c58957c0f02095c077e15e5e&mguid=&ap=0.010001&tid=107&c_sync=1tracenep.admaster.cc/ju/ic?tn=2ce2e... https://tracenep.admaster.cc/ju/ic?tn=2ce2e6e33746b4224011d22068a89c02&trackingid=1c739d25f13020f39bc7402e7f051f95&acid=24935&data=gFRynX1NepZFJxpOelgGSKQl1q5045YAR38dI6PVuRQt6SWp6iGZe9aPtBXSBxY2IKuxOmOu1hx2em2KhSdBlcWIe1WEgBpjHBrQzagAJIxiz1qv1c_ok8j95xuCbgmn7oXVa_aFY5qag5Bg77RGNweE1Vkr0Fr7QxRv4yR7TEdcxTHcHbac-1XwuAvyyf_S7Elq7mOYhVcDdQCNOf1mCvvWQcFvWaqviTr6z8ARfzzATr1NnaDKwmH6VyDGoFU1DsImJeYGLSubqPjT1u-6SQ_cCTTiy5iWhIF6WFkyEqOe8xMrSHtcrbtJ7vAEAE2duCL8lSma4V8Z2HCoblrCT7R7CqAnGTCX0cokAwp2NhTlq8AayDTGWlEpzJBDGrMB37nMK8PlKnZY2VPLN7ySeoMiT1iCLEpeXQO8Zp4la57V7-xnorzBDyir4RKV0Jzce2uG1MnaGe_k_Esn8uV5_9tqwVHOUdgliYkcOuJIEjv_vz33Gbu-rTpdkpXmn-94C0pikl4iZrMZLETg12qqj3WvOuIamZ9XH030RZyEi48a7ee-67SzStAM-BaFFfj_RaZrka4lZwrF0UYxmGiP5TJ4b1vEcg513PGvxvNdT4QuJ44r7kOIGFV5V6kws0AopcTSOTXqo7hIXSMxBrPpLJP47_h7XUNjVMOQasoVKT5A0PKh57HTMIcHZ6XXSeYOiY812lhb0vT1Mrpwwl1aseTEI_UHuSkamIVeFljy0NCtz5fFn0zIAdcaY1D1jXob5HHkdudrxTkDi42ns5H94-PGfxuez706fCIPCSC6zyLD-UKTBbgZpjq9MVawUHS9SWPlVDfidKxoTEl8LNLG5_dU_LeIFaVHjxEuTDIX18vLgyRDDUHjVFl-uP4x00l8m7dVXV2LKyw6GjvpMrXEn_eRgl3iEM2LfUCLeTVJuSd9n-pS30Y4waE6rRSafUbIRvsfsYCvIF9ppllcx-8kK-jBqLzcBpnkAvnl3KovMVJrnhfjUM2dzaHstde486WaFmzfGOXEypPk4h_0G7ybDDyn8oMMKMT4eZAWB2kW0tiAWO_0JAd0QJn7WPNjbz_qP9y2A8TGzgEKfi9SALrfSSyAosdkkWI-uD9HgvV0P1_G_NlQYec0w8CphLTFoukGEngBDxp-w_TzMkAuk6aKoahZhh-LG2VnbXjjZHADBtDlZ6JbxBE5Qe7-itxAsYmAe4PE22DgP31a14EVWplhtidlsWYbFcbJTWGPPPM7mzKZ5_vs_V5C0ncmepuqAY6YzV0n4PaWsN9JztUD2x5SeNLvm2Ne9SqsTbID-5piJgZycdcW8JKD6gxeG2Z2MnFCKnL3iMV7_2uT9lvnE0_vp4S-DtVBx9XZadT5xgesLjzd7Skh-AdUhXu2VPawLiNtjj5ICsW9OykqOw5VtURJYR3NKFEK9hVGAV4yuzftkr8UPW3igBic6ogJHc6YPyx0KmAGg1o0rHLGakZ4ES6nCdUKcN9gAHJpOme0HbVjtAN97K7eZIAIv9PPZQrfzNi0MoDpYUoowbU4SnzNlEZAybhisQs4DVttxdjfzLl9_5dVTWYYVxfSbCSN7CfcHGgVkxSUEL8QdrmwhfhadnEgSFJHkriKShAl-26r_m-2T8twvKvmNDJrEHwUIIUPco5HpHlsau7WScCngMzM8VcCwwUSvsQYafAXpmnypMxCIKE&uid=mid_74eef904c58957c0f02095c077e15e5e&mguid=&ap=0.010001&tid=107&c_sync=1 — 204 — 122 B — 48 ms — h2https://static.admaster.cc/js/cookieSync.html?tn=2ce2e6e33746b4224011d22068a89c02static.admaster.cc/js/cookieSync.ht... https://static.admaster.cc/js/cookieSync.html?tn=2ce2e6e33746b4224011d22068a89c02 — 200 — 3.3 KiB — 26 ms — h3data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACsAAAAWBAMAAACrl3iAAAAABlBMVEUAAAD+AciWmZzWAAAAAnRST…data:image/png;base64,iVBORw0KGgoAA... data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACsAAAAWBAMAAACrl3iAAAAABlBMVEUAAAD+AciWmZzWAAAAAnRST… — 200 — 0 B — 0 ms — datahttps://pagead2.googlesyndication.com/pagead/gen_204?id=av-js&type=fle-fetch-start2pagead2.googlesyndication.com/pagea... https://pagead2.googlesyndication.com/pagead/gen_204?id=av-js&type=fle-fetch-start2 — 204 — 20 B — 73 ms — h3https://gtracenep.admaster.cc/ju/cs/eplist?tn=2ce2e6e33746b4224011d22068a89c02&gdpr_consent=&gdpr=0&dm=https%253A%252F%252Fstatic.admaster.cc&mcb=mmgg_1776803377141_829gtracenep.admaster.cc/ju/cs/eplist?... https://gtracenep.admaster.cc/ju/cs/eplist?tn=2ce2e6e33746b4224011d22068a89c02&gdpr_consent=&gdpr=0&dm=https%253A%252F%252Fstatic.admaster.cc&mcb=mmgg_1776803377141_829 — 200 — 852 B — 131 ms — h2https://pagead2.googlesyndication.com/pagead/gen_204?id=av-js&type=colleague-executed&name=4pagead2.googlesyndication.com/pagea... https://pagead2.googlesyndication.com/pagead/gen_204?id=av-js&type=colleague-executed&name=4 — 204 — 20 B — 61 ms — h3https://pagead2.googlesyndication.com/pagead/gen_204?id=av-js&type=reach&proto=CAlgAWACaAM%3Dpagead2.googlesyndication.com/pagea... https://pagead2.googlesyndication.com/pagead/gen_204?id=av-js&type=reach&proto=CAlgAWACaAM%3D — 204 — 20 B — 27 ms — h3https://ib.adnxs.com/setuid?entity=529&code=e0d4b25ad9fa4e622s9a1v00mo92us7zib.adnxs.com/setuid?entity=529&code... https://ib.adnxs.com/setuid?entity=529&code=e0d4b25ad9fa4e622s9a1v00mo92us7z — 200 — 523 B — 25 ms — h2https://cm.g.doubleclick.net/pixel?google_nid=baidu_mediago&google_hm=e0d4b25ad9fa4e622s9a1v00mo92us7zcm.g.doubleclick.net/pixel?google_n... https://cm.g.doubleclick.net/pixel?google_nid=baidu_mediago&google_hm=e0d4b25ad9fa4e622s9a1v00mo92us7z — 302 — 454 B — 40 ms — h2https://dsum-sec.casalemedia.com/crum?cm_dsp_id=215&external_user_id=e0d4b25ad9fa4e622s9a1v00mo92us7zdsum-sec.casalemedia.com/crum?cm_ds... https://dsum-sec.casalemedia.com/crum?cm_dsp_id=215&external_user_id=e0d4b25ad9fa4e622s9a1v00mo92us7z — 302 — 876 B — 44 ms — h3https://cm.g.doubleclick.net/pixel?google_nid=baidu_mediago&google_hm=e0d4b25ad9fa4e622s9a1v00mo92us7z&google_tc=cm.g.doubleclick.net/pixel?google_n... https://cm.g.doubleclick.net/pixel?google_nid=baidu_mediago&google_hm=e0d4b25ad9fa4e622s9a1v00mo92us7z&google_tc= — 302 — 20 B — 24 ms — h3https://dsum-sec.casalemedia.com/crum?cm_dsp_id=215&external_user_id=e0d4b25ad9fa4e622s9a1v00mo92us7z&C=1dsum-sec.casalemedia.com/crum?cm_ds... https://dsum-sec.casalemedia.com/crum?cm_dsp_id=215&external_user_id=e0d4b25ad9fa4e622s9a1v00mo92us7z&C=1 — 200 — 481 B — 23 ms — h3https://gtrace.mediago.io/ju/log/c?tn=41b6e88a2b85b0e731ef8e73e5558712&app=Google_Cookie_Sync_Error&google_error=3gtrace.mediago.io/ju/log/c?tn=41b6e... https://gtrace.mediago.io/ju/log/c?tn=41b6e88a2b85b0e731ef8e73e5558712&app=Google_Cookie_Sync_Error&google_error=3 — 200 — 158 B — 133 ms — h2https://ep1.adtrafficquality.google/pagead/sodar?id=sodar2&v=254&t=2&li=gpt_m202604160201&jk=5891625979417539&bg=!wsGlwaPNAAY2C5OeFgs7AEcBe5WfODzxaAX24gnY1VW1dxKDkHEc2WyVrioI6u2giWpB6oEenRKT5kd-IDa50LaGoMB-rUQyY9ey0oh8nnOlf4g_eIbtzAIAAAB8UgAAAAdoAQd-ADadJLn3PImaz3F5Ffc171NTebDsMkbl6iC50_DTA7so_YkYXA507oLHdkk0slFB3mWXzlV0-oQKADYu7XPJQVywGuAwXwGroU1pyqSErzZyD0c7F8e3tMZ9Vj7sl0eludW7uSyxNlx54BR1sq45PSKZAqq_nIFG122rYKigaEErF_x2GXgELND2g2mIxAvpvuojJKb7lQ3mZ6q2AzCcSTw-QcRSJJuOzCHNfqbqtRtAawHDkInSAsiZ9qy7zSxjl0TKqSrkL7s66zSuuWcfKSYUJVA5R7lyzJNQg4_no16zGJpWlg9mTV7HCAhZCJabrEN9y_IuYEavtRQP5BjHQD5BMEfz7rlSfHqDvErkm9nxFjsxcOX-y9AK_Md9ofJ5L843UsEvCPb2c9kvywOWWsWL1Y_uHuUjkW_lWVGx9rXVb8ta2ChzJiWT1g1iezWKZL2bc-fJdSv2xJoN2fFaGJi29KoNhRrcV_ZoOlQa8ZSObBRkbV9tZX-weXFuYUn_OwHTh7U93IF7MthO2cFMTf135BQRMWaD-j5PuAMa9YLlF2SKb_OFSU7rbwEa0RBRjSWvmrP5KTa_9c-Gt02-eXo767qKpAFVn7NeNwszIXNova7yQndI_AwimIzBEpxBexc2JhI7ntoGWn8l4haeBqm6te01ZZCk4BL2HDI_WR70YtUhrx3YT1MInHuyib8qKHS1crIFDAqiHXYLkrfDeCMmIfoteIG8ORRpRhgh5tCLS3yD3jbIwwCOlOsP-O-HOORITB7EBiRdyGcoIfclSGMusl_lkmjr90a_IvbHTaFoNch6f55WzbjihY6ovc0f0GfqeBH_7LwGDbVzY8Xtcvjo8QGEhSL85cYWc2bWkB6djVfCvRipE8njfToIOPkQPG1oPDxlB6USEdVUIyZpVgXgwskhyLJy_R2hV9mc4nvkiZ7VshhsiqsTBYpevLKllGGUJB--QEgn6zbfZBGpI2DayrPOswH2_Cou32k7aTaI2iHcreIxT0a5LyACCCj4geKdjUQoiW2EFjRwPAMjFw9l1ksSyuXUYdtDSDy7ep1.adtrafficquality.google/pagead/... https://ep1.adtrafficquality.google/pagead/sodar?id=sodar2&v=254&t=2&li=gpt_m202604160201&jk=5891625979417539&bg=!wsGlwaPNAAY2C5OeFgs7AEcBe5WfODzxaAX24gnY1VW1dxKDkHEc2WyVrioI6u2giWpB6oEenRKT5kd-IDa50LaGoMB-rUQyY9ey0oh8nnOlf4g_eIbtzAIAAAB8UgAAAAdoAQd-ADadJLn3PImaz3F5Ffc171NTebDsMkbl6iC50_DTA7so_YkYXA507oLHdkk0slFB3mWXzlV0-oQKADYu7XPJQVywGuAwXwGroU1pyqSErzZyD0c7F8e3tMZ9Vj7sl0eludW7uSyxNlx54BR1sq45PSKZAqq_nIFG122rYKigaEErF_x2GXgELND2g2mIxAvpvuojJKb7lQ3mZ6q2AzCcSTw-QcRSJJuOzCHNfqbqtRtAawHDkInSAsiZ9qy7zSxjl0TKqSrkL7s66zSuuWcfKSYUJVA5R7lyzJNQg4_no16zGJpWlg9mTV7HCAhZCJabrEN9y_IuYEavtRQP5BjHQD5BMEfz7rlSfHqDvErkm9nxFjsxcOX-y9AK_Md9ofJ5L843UsEvCPb2c9kvywOWWsWL1Y_uHuUjkW_lWVGx9rXVb8ta2ChzJiWT1g1iezWKZL2bc-fJdSv2xJoN2fFaGJi29KoNhRrcV_ZoOlQa8ZSObBRkbV9tZX-weXFuYUn_OwHTh7U93IF7MthO2cFMTf135BQRMWaD-j5PuAMa9YLlF2SKb_OFSU7rbwEa0RBRjSWvmrP5KTa_9c-Gt02-eXo767qKpAFVn7NeNwszIXNova7yQndI_AwimIzBEpxBexc2JhI7ntoGWn8l4haeBqm6te01ZZCk4BL2HDI_WR70YtUhrx3YT1MInHuyib8qKHS1crIFDAqiHXYLkrfDeCMmIfoteIG8ORRpRhgh5tCLS3yD3jbIwwCOlOsP-O-HOORITB7EBiRdyGcoIfclSGMusl_lkmjr90a_IvbHTaFoNch6f55WzbjihY6ovc0f0GfqeBH_7LwGDbVzY8Xtcvjo8QGEhSL85cYWc2bWkB6djVfCvRipE8njfToIOPkQPG1oPDxlB6USEdVUIyZpVgXgwskhyLJy_R2hV9mc4nvkiZ7VshhsiqsTBYpevLKllGGUJB--QEgn6zbfZBGpI2DayrPOswH2_Cou32k7aTaI2iHcreIxT0a5LyACCCj4geKdjUQoiW2EFjRwPAMjFw9l1ksSyuXUYdtDSDy7 — 204 — 17 B — 39 ms — h3https://parallax.askmediagroup.com/postparallax.askmediagroup.com/post https://parallax.askmediagroup.com/post — 200 — 0 B — 56 ms — h2https://parallax.askmediagroup.com/postparallax.askmediagroup.com/post https://parallax.askmediagroup.com/post — 200 — 96 B — 14 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 5288ms · 818KB · $70/mo
www.reference.com
Other
Costly
Execution 1639ms
Transfer 7 KB
Monthly Cost $22/mo
securepubads.g.doubleclick.net
Other
Costly
Execution 787ms
Transfer 188 KB
Unused 53%
Monthly Cost $10/mo
Unattributable
Other
Costly
Execution 783ms
Transfer 0 KB
Monthly Cost $10/mo
Google Tag Manager
Tag Manager
Costly
Execution 673ms
Transfer 160 KB
Unused 33%
Monthly Cost $9/mo
www.reference.com
Other
Costly
Execution 450ms
Transfer 67 KB
Monthly Cost $6/mo
Google Tag Manager
Tag Manager
Costly
Execution 346ms
Transfer 144 KB
Unused 43%
Monthly Cost $5/mo
OneTrust
Consent
Essential
Execution 285ms
Transfer 112 KB
Unused 59%
Monthly Cost $4/mo
securepubads.g.doubleclick.net
Other
Optional
Execution 110ms
Transfer 34 KB
Monthly Cost $1/mo
www.reference.com
Other
Optional
Execution 83ms
Transfer 86 KB
Unused 49%
Monthly Cost $1/mo
www.reference.com
Other
Optional
Execution 79ms
Transfer 14 KB
Monthly Cost $1/mo
ep2.adtrafficquality.google
Other
Optional
Execution 53ms
Transfer 8 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • www.reference.com adds 1639ms and costs ~$22/month
  • securepubads.g.doubleclick.net adds 787ms and costs ~$10/month
  • Unattributable adds 783ms and costs ~$10/month
  • Google Tag Manager adds 673ms and costs ~$9/month
  • www.reference.com adds 450ms and costs ~$6/month
  • Google Tag Manager adds 346ms and costs ~$5/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

www.reference.com takes 1639ms 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 787ms 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

53% 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

Unattributable takes 783ms 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 673ms 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.reference.com takes 450ms 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 346ms 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 OneTrust'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

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