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https://semanticscholar.org

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
71
GRADE
C
FIX
6
REVIEW
2
PASS
7
INFO
2

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

Mobile Desktop
46
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
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.

3.62 s

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

4.78 s

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

2.55 s

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

0.001

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

3.62 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.

19.57 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 2 REVIEW 6 FIX
D
Page Weight Budget
Action
2.4 MB transferred, 45 requests
FIX
2.4 MB transferred, 45 requests
Info::
Page weighs 7.8 MB (2.4 MB transferred)
Warning::
JavaScript is 2.1 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 2.1 MB
Info::
45 HTTP requests
Info::
Estimated 0.50 g CO2 per page load
2.4 MB / 2.4 MB budget
2.4 MB transferred
45 requests
0.50 g CO2 per page load
JavaScript 2.1 MiB 90%
HTML 87.3 KiB 4%
CSS 77.3 KiB 3%
Fonts 70.1 KiB 3%
Other 6.2 KiB 0%
Images 5.0 KiB 0%
Other 2.0 KiB 0%
Other 2.0 KiB 0%
Other 554 B 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

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 (2.4 MiB of 2.4 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
5052ms total JS execution
FIX
5052ms total JS execution
Warning::
https://cdn.semanticscholar.org/bc669961c407e17a/j...: 1248ms CPU time
Warning::
https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04...: 1156ms CPU time
Warning::
https://js.hs-analytics.net/analytics/177679890000...: 486ms CPU time
Warning::
Unattributable: 463ms CPU time
Warning::
https://fast.appcues.com/generic/main/7.20.2/appcu...: 375ms CPU time
Warning::
Third-party scripts: 5052ms (100% of total)

Main Thread Breakdown

Script Evaluation 68% Script Parsing & Compilation 12% Other 10% Style & Layout 6%
ScriptTotalScriptingParse/CompileParty
https://cdn.semanticscholar.org/bc669961c407e17a/js/BrowserEntry.tsx.js1248ms966ms248ms3rd
https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04079/4996efde3854/challenge.js1156ms985ms102ms3rd
https://js.hs-analytics.net/analytics/1776798900000/5910970.js486ms341ms8ms3rd
Unattributable463ms35ms0ms3rd
https://fast.appcues.com/generic/main/7.20.2/appcues.main.6a6a274575024b516c91cfd03d287c29b5744063.js375ms333ms36ms3rd
https://www.semanticscholar.org/342ms16ms13ms3rd
https://www.googletagmanager.com/gtag/js?id=G-H7P4ZT52H5336ms286ms47ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-592W6WL237ms198ms36ms3rd
https://www.googletagmanager.com/gtag/js?id=AW-936736651236ms201ms33ms3rd
https://js.hubspot.com/web-interactives-embed.js114ms102ms9ms3rd

Showing top 10 of 11 scripts

F
JS Bundles
Action
15 scripts, 1.1 MB unused
FIX
15 scripts, 1.1 MB unused
Warning::
https://cdn.semanticscholar.org/bc669961c407e17a/j...: 396 KB unused (56%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04...: 257 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=AW-936...: 103 KB unused (73%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://fast.appcues.com/generic/main/7.20.2/appcu...: 73 KB unused (72%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://accounts.google.com/gsi/client: 72 KB unused (75%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 1.1 MB
1089 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://cdn.semanticscholar.org/bc669961c407e17a/js/BrowserEntry.tsx.js715 KB396 KB (56%)✓3rd
https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04079/4996efde3854/challenge.js501 KB257 KB (51%)✓3rd
https://www.googletagmanager.com/gtag/js?id=AW-936736651&cx=c&gtm=4e64h1142 KB103 KB (73%)✓3rd
https://fast.appcues.com/generic/main/7.20.2/appcues.main.6a6a274575024b516c91cfd03d287c29b5744063.js101 KB73 KB (72%)✓3rd
https://accounts.google.com/gsi/client96 KB72 KB (75%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-592W6WL155 KB71 KB (46%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-H7P4ZT52H5177 KB64 KB (36%)✓3rd
https://www.googletagmanager.com/gtag/js?id=AW-936736651142 KB54 KB (38%)✓3rd
https://js.hs-scripts.com/5910970.js1 KB—✓3rd
https://js.hubspot.com/web-interactives-embed.js28 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

F
Page Weight Inventory
Action
45 resources · 2.4 MB · 1.1 MB savings available
FIX
45 resources · 2.4 MB · 1.1 MB savings available
Warning::
Page weight 1.4 MB over 1MB target
Got: 2.4 MB Expected: ≤ 1 MB
Info::
~1.1 MB of savings available
Warning::
44 third-party resources (100% of weight)
Info::
2 resources over 200KB
45 resources · 2.4 MiB · 44 third-party 1.4 MiB over 1MB target
JavaScript 90% · 2.1 MiB
Document 4% · 87.9 KiB
CSS 3% · 77.3 KiB
Font 3% · 70.1 KiB
Other 0% · 8.6 KiB
Image 0% · 6.4 KiB

~1.1 MiB of savings available

Remove unused JavaScript: 1.1 MiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Image Optimization
7 images, 0 KB saveable
REVIEW
7 images, 0 KB saveable
Info::
All images are well-optimized
7 images 5 KB
0 oversized -0 KB
5 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
2 fonts (70 KB)
PASS
2 fonts (70 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

70 KB total

Render-blocking

0

of 2

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 FCP 3.6 s LCP 4.8 shttps://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 36.7 KiB — 61 ms — font-display: swaphttps://fonts.gstatic.com/s/robotoslab/v36/BngMUXZYTXPIvIBgJJSb6ufN5qWr4xCC.woff2BngMUXZYTXPIvIBgJJSb6uf... https://fonts.gstatic.com/s/robotoslab/v36/BngMUXZYTXPIvIBgJJSb6ufN5qWr4xCC.woff2 — 33.4 KiB — 63 ms — font-display: swap
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 37 KB
Load time 61 ms
Start 614 ms
Risk FOUT — text flashes from fallback to web font
BngMUXZYTXPIvIBgJJSb6uf... woff2 swap
Size 33 KB
Load time 63 ms
Start 615 ms
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
Network Waterfall
45 requests over 2433ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 3.6 s LCP 4.8 shttps://semanticscholar.org// https://semanticscholar.org/ — 301 — 484 B — 199 ms — http/1.1https://www.semanticscholar.org/www.semanticscholar.org/ https://www.semanticscholar.org/ — 200 — 87.3 KiB — 240 ms — http/1.1https://fonts.googleapis.com/css?family=Roboto+Slab:400,500,600,700|Roboto:300,400,500,600,700&display=swapfonts.googleapis.com/css?family=Rob... https://fonts.googleapis.com/css?family=Roboto+Slab:400,500,600,700|Roboto:300,400,500,600,700&display=swap — 200 — 2.5 KiB — 79 ms — h2https://cdn.semanticscholar.org/bc669961c407e17a/css/mobile.csscdn.semanticscholar.org/bc669961c40... https://cdn.semanticscholar.org/bc669961c407e17a/css/mobile.css — 200 — 72.1 KiB — 114 ms — h2https://fast.appcues.com/87350.jsfast.appcues.com/87350.js https://fast.appcues.com/87350.js — 200 — 6.2 KiB — 51 ms — h2https://www.googletagmanager.com/gtag/js?id=G-H7P4ZT52H5www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-H7P4ZT52H5 — 200 — 177.4 KiB — 176 ms — h2https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04079/4996efde3854/challenge.jsc09bc9c04079.edge.sdk.awswaf.com/c0... https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04079/4996efde3854/challenge.js — 200 — 501.3 KiB — 178 ms — h2https://js.hs-scripts.com/5910970.jsjs.hs-scripts.com/5910970.js https://js.hs-scripts.com/5910970.js — 200 — 1.1 KiB — 111 ms — h2https://cdn.semanticscholar.org/bc669961c407e17a/js/bundle-2571.jscdn.semanticscholar.org/bc669961c40... https://cdn.semanticscholar.org/bc669961c407e17a/js/bundle-2571.js — 200 — 64.6 KiB — 73 ms — h3https://cdn.semanticscholar.org/bc669961c407e17a/js/BrowserEntry.tsx.jscdn.semanticscholar.org/bc669961c40... https://cdn.semanticscholar.org/bc669961c407e17a/js/BrowserEntry.tsx.js — 200 — 715.0 KiB — 138 ms — h3https://www.googletagmanager.com/gtm.js?id=GTM-592W6WLwww.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-592W6WL — 200 — 155.3 KiB — 143 ms — h2data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAnUAAAKACAMAAADNdn7MAAAC+lBMVEUAAAA9gOwvhfgiM2cgMGMyh…data:image/png;base64,iVBORw0KGgoAA... data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAnUAAAKACAMAAADNdn7MAAAC+lBMVEUAAAA9gOwvhfgiM2cgMGMyh… — 200 — 0 B — 1 ms — datadata:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAoIAAAHrCAYAAABb4/waAAAACXBIWXMAAAsSAAALEgHS3X78AAAgA…data:image/png;base64,iVBORw0KGgoAA... data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAoIAAAHrCAYAAABb4/waAAAACXBIWXMAAAsSAAALEgHS3X78AAAgA… — 200 — 0 B — 0 ms — datahttps://fast.appcues.com/generic/main/7.20.2/appcues.main.6a6a274575024b516c91cfd03d287c29b5744063.jsfast.appcues.com/generic/main/7.20.... https://fast.appcues.com/generic/main/7.20.2/appcues.main.6a6a274575024b516c91cfd03d287c29b5744063.js — 200 — 101.1 KiB — 11 ms — h2https://cdn.semanticscholar.org/bc669961c407e17a/img/homepage-background.svgcdn.semanticscholar.org/bc669961c40... https://cdn.semanticscholar.org/bc669961c407e17a/img/homepage-background.svg — 200 — 1.6 KiB — 23 ms — h2https://cdn.semanticscholar.org/bc669961c407e17a/img/Ai2_logo_offwhite_RGB.svgcdn.semanticscholar.org/bc669961c40... https://cdn.semanticscholar.org/bc669961c407e17a/img/Ai2_logo_offwhite_RGB.svg — 200 — 1.4 KiB — 20 ms — h2https://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2fonts.gstatic.com/s/roboto/v51/KFO7... https://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 200 — 36.7 KiB — 61 ms — h3https://fonts.gstatic.com/s/robotoslab/v36/BngMUXZYTXPIvIBgJJSb6ufN5qWr4xCC.woff2fonts.gstatic.com/s/robotoslab/v36/... https://fonts.gstatic.com/s/robotoslab/v36/BngMUXZYTXPIvIBgJJSb6ufN5qWr4xCC.woff2 — 200 — 33.4 KiB — 63 ms — h3https://fast.appcues.com/generic/main/7.20.2/container.6a6a274575024b516c91cfd03d287c29b5744063.cssfast.appcues.com/generic/main/7.20.... https://fast.appcues.com/generic/main/7.20.2/container.6a6a274575024b516c91cfd03d287c29b5744063.css — 200 — 2.0 KiB — 4 ms — h2https://js.hsadspixel.net/pixels.jsjs.hsadspixel.net/pixels.js https://js.hsadspixel.net/pixels.js — 200 — 3.9 KiB — 96 ms — h2https://js.hubspot.com/web-interactives-embed.jsjs.hubspot.com/web-interactives-emb... https://js.hubspot.com/web-interactives-embed.js — 200 — 28.2 KiB — 104 ms — h2https://js.hs-analytics.net/analytics/1776798900000/5910970.jsjs.hs-analytics.net/analytics/17767... https://js.hs-analytics.net/analytics/1776798900000/5910970.js — 200 — 42.3 KiB — 123 ms — h2https://js.hs-banner.com/v2/5910970/banner.jsjs.hs-banner.com/v2/5910970/banner.... https://js.hs-banner.com/v2/5910970/banner.js — 200 — 24.1 KiB — 97 ms — h2https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04079/4996efde3854/mp_verifyc09bc9c04079.edge.sdk.awswaf.com/c0... https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04079/4996efde3854/mp_verify — 200 — 736 B — 129 ms — h2https://accounts.google.com/gsi/clientaccounts.google.com/gsi/client https://accounts.google.com/gsi/client — 200 — 96.4 KiB — 129 ms — h2https://region1.analytics.google.com/g/collect?v=2&tid=G-H7P4ZT52H5&gtm=45je64h1v9101518703za200zd9101518703&_p=1776799281021&_gaz=1&gcd=13l3lPl2l1l1&npa=1&dma_cps=a&dma=1&_eu=AAAAAGA&are=1&cid=1488255360.1776799282&frm=0&pscdl=noapi&rcb=9&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938468~117266401&sid=1776799281&sct=1&seg=0&dl=https%3A%2F%2Fwww.semanticscholar.org%2F&dt=Semantic%20Scholar%20%7C%20AI-Powered%20Research%20Tool&en=routeloadtiming&_fv=1&_nsi=1&_ss=1&_ee=1&ep.event_action=routeloadtiming&ep.event_category=NO%20TARGET&tfd=1311region1.analytics.google.com/g/coll... https://region1.analytics.google.com/g/collect?v=2&tid=G-H7P4ZT52H5&gtm=45je64h1v9101518703za200zd9101518703&_p=1776799281021&_gaz=1&gcd=13l3lPl2l1l1&npa=1&dma_cps=a&dma=1&_eu=AAAAAGA&are=1&cid=1488255360.1776799282&frm=0&pscdl=noapi&rcb=9&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938468~117266401&sid=1776799281&sct=1&seg=0&dl=https%3A%2F%2Fwww.semanticscholar.org%2F&dt=Semantic%20Scholar%20%7C%20AI-Powered%20Research%20Tool&en=routeloadtiming&_fv=1&_nsi=1&_ss=1&_ee=1&ep.event_action=routeloadtiming&ep.event_category=NO%20TARGET&tfd=1311 — 204 — 554 B — 117 ms — h2https://stats.g.doubleclick.net/g/collect?v=2&tid=G-H7P4ZT52H5&cid=1488255360.1776799282&gtm=45je64h1v9101518703za200zd9101518703&rcb=9&aip=1&dma=1&dma_cps=a&gcd=13l3lPl2l1l1&npa=1&frm=0&tag_exp=0~115938465~115938468~117266401stats.g.doubleclick.net/g/collect?v... https://stats.g.doubleclick.net/g/collect?v=2&tid=G-H7P4ZT52H5&cid=1488255360.1776799282&gtm=45je64h1v9101518703za200zd9101518703&rcb=9&aip=1&dma=1&dma_cps=a&gcd=13l3lPl2l1l1&npa=1&frm=0&tag_exp=0~115938465~115938468~117266401 — 204 — 554 B — 95 ms — h2https://www.google.es/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-H7P4ZT52H5&cid=1488255360.1776799282&gtm=45je64h1v9101518703za200zd9101518703&rcb=9&aip=1&dma=1&dma_cps=a&gcd=13l3lPl2l1l1&npa=1&frm=0&tag_exp=0~115938465~115938468~117266401&z=91291161www.google.es/ads/ga-audiences?v=1&... https://www.google.es/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-H7P4ZT52H5&cid=1488255360.1776799282&gtm=45je64h1v9101518703za200zd9101518703&rcb=9&aip=1&dma=1&dma_cps=a&gcd=13l3lPl2l1l1&npa=1&frm=0&tag_exp=0~115938465~115938468~117266401&z=91291161 — 200 — 408 B — 98 ms — 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h3https://googleads.g.doubleclick.net/pagead/viewthroughconversion/936736651/?random=2050997926&cv=11&fst=1776799282174&bg=ffffff&guid=ON&async=1&en=page_view&gtm=45be64h1v9129852248za200zb9101518703zd9101518703xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115938465~115938468~117266400~118463262&u_w=412&u_h=823&url=https%3A%2F%2Fwww.semanticscholar.org%2F&rcb=17&capi=1&gtm_ee=1&frm=0&tiba=Semantic%20Scholar%20%7C%20AI-Powered%20Research%20Tool&did=dZTQ1Zm&gdid=dZTQ1Zm&npa=1&pscdl=noapi&auid=39044970.1776799282&label=q9VSCNbTk6AYEIvv1b4D&hn=www.googleadservices.com&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uamb=1&uam=moto%20g%20power%20(2022)&uap=Android&uapv=11.0&uaw=0&gcl_ctr=1~0~0~0&data=event%3Dgtag.config&category=acrcp_v1_512&fmt=8&ct_cookie_present=false&crd=CLTesQII8t-xAgit4bECCKG4sQIIscGxAgiwwbECCLHDsQIIisWxAgjCybECCLTGsQIIk9qxAgjb3LECCIfbsQII08WxAgjrzLECCO3OsQII1c-xAgj02rECCJfUsQIIyduxAgix4bECCLPhsQIIpt2xAgiw3rECCIDbsQJKJnRyaWdnZXI7ZXZlbnQtc291cmNlO25hdmlnYXRpb24tc291cmNlWgMKAQFiAwoBAw&cerd=CgEA&fsk=ChAI8MCczwYQ5M2swJGnz8hdEiwA-P8T6TrsDWp3mLmziWz7kLLYziDvdbQC0HgfChTipmPR6gI9fGTkahghPRoC1gA&pscrd=IhMIn6C4kNX_kwMV6UykBB3w_QGsMgwIA2IICAAQABgAIAAyDAgEYggIABAAGAAgADIMCAdiCAgAEAAYACAAMgwICGIICAAQABgAIAAyDAgJYggIABAAGAAgADIMCApiCAgAEAAYACAAMgwIAmIICAAQABgAIAAyDAgLYggIABAAGAAgADIMCBViCAgAEAAYACAAMgwIH2IICAAQABgAIAAyDAgTYggIABAAGAAgADIMCBJiCAgAEAAYACAAOiBodHRwczovL3d3dy5zZW1hbnRpY3NjaG9sYXIub3JnL0JXQ2hBSThNQ2N6d1lRb09lNTdPdlZucm9lRWkwQXR0dm4wZDZLaVFGV3ZYejRPM29KMWphVmgyMTVwS2tkc2RPS3RlZ09kVFhnMjhhM1VrRk5YdTI1TGY0egwICWIICAAQABgAIAAgoogleads.g.doubleclick.net/pagead/... https://googleads.g.doubleclick.net/pagead/viewthroughconversion/936736651/?random=2050997926&cv=11&fst=1776799282174&bg=ffffff&guid=ON&async=1&en=page_view&gtm=45be64h1v9129852248za200zb9101518703zd9101518703xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115938465~115938468~117266400~118463262&u_w=412&u_h=823&url=https%3A%2F%2Fwww.semanticscholar.org%2F&rcb=17&capi=1&gtm_ee=1&frm=0&tiba=Semantic%20Scholar%20%7C%20AI-Powered%20Research%20Tool&did=dZTQ1Zm&gdid=dZTQ1Zm&npa=1&pscdl=noapi&auid=39044970.1776799282&label=q9VSCNbTk6AYEIvv1b4D&hn=www.googleadservices.com&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uamb=1&uam=moto%20g%20power%20(2022)&uap=Android&uapv=11.0&uaw=0&gcl_ctr=1~0~0~0&data=event%3Dgtag.config&category=acrcp_v1_512&fmt=8&ct_cookie_present=false&crd=CLTesQII8t-xAgit4bECCKG4sQIIscGxAgiwwbECCLHDsQIIisWxAgjCybECCLTGsQIIk9qxAgjb3LECCIfbsQII08WxAgjrzLECCO3OsQII1c-xAgj02rECCJfUsQIIyduxAgix4bECCLPhsQIIpt2xAgiw3rECCIDbsQJKJnRyaWdnZXI7ZXZlbnQtc291cmNlO25hdmlnYXRpb24tc291cmNlWgMKAQFiAwoBAw&cerd=CgEA&fsk=ChAI8MCczwYQ5M2swJGnz8hdEiwA-P8T6TrsDWp3mLmziWz7kLLYziDvdbQC0HgfChTipmPR6gI9fGTkahghPRoC1gA&pscrd=IhMIn6C4kNX_kwMV6UykBB3w_QGsMgwIA2IICAAQABgAIAAyDAgEYggIABAAGAAgADIMCAdiCAgAEAAYACAAMgwICGIICAAQABgAIAAyDAgJYggIABAAGAAgADIMCApiCAgAEAAYACAAMgwIAmIICAAQABgAIAAyDAgLYggIABAAGAAgADIMCBViCAgAEAAYACAAMgwIH2IICAAQABgAIAAyDAgTYggIABAAGAAgADIMCBJiCAgAEAAYACAAOiBodHRwczovL3d3dy5zZW1hbnRpY3NjaG9sYXIub3JnL0JXQ2hBSThNQ2N6d1lRb09lNTdPdlZucm9lRWkwQXR0dm4wZDZLaVFGV3ZYejRPM29KMWphVmgyMTVwS2tkc2RPS3RlZ09kVFhnMjhhM1VrRk5YdTI1TGY0egwICWIICAAQABgAIAA — 302 — 23 B — 150 ms — h3https://www.google.com/pagead/1p-conversion/936736651/?random=2050997926&cv=11&fst=1776799282174&bg=ffffff&guid=ON&async=1&en=page_view&gtm=45be64h1v9129852248za200zb9101518703zd9101518703xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115938465~115938468~117266400~118463262&u_w=412&u_h=823&url=https%3A%2F%2Fwww.semanticscholar.org%2F&rcb=17&capi=1&gtm_ee=1&frm=0&tiba=Semantic%20Scholar%20%7C%20AI-Powered%20Research%20Tool&did=dZTQ1Zm&gdid=dZTQ1Zm&npa=1&pscdl=noapi&auid=39044970.1776799282&label=q9VSCNbTk6AYEIvv1b4D&hn=www.googleadservices.com&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uamb=1&uam=moto%20g%20power%20(2022)&uap=Android&uapv=11.0&uaw=0&gcl_ctr=1~0~0~0&data=event%3Dgtag.config&category=acrcp_v1_512&fmt=8&ct_cookie_present=false&crd=CLTesQII8t-xAgit4bECCKG4sQIIscGxAgiwwbECCLHDsQIIisWxAgjCybECCLTGsQIIk9qxAgjb3LECCIfbsQII08WxAgjrzLECCO3OsQII1c-xAgj02rECCJfUsQIIyduxAgix4bECCLPhsQIIpt2xAgiw3rECCIDbsQJKJnRyaWdnZXI7ZXZlbnQtc291cmNlO25hdmlnYXRpb24tc291cmNlWgMKAQFiAwoBAw&cerd=CgEA&fsk=ChAI8MCczwYQ5M2swJGnz8hdEiwA-P8T6TrsDWp3mLmziWz7kLLYziDvdbQC0HgfChTipmPR6gI9fGTkahghPRoC1gA&pscrd=IhMIn6C4kNX_kwMV6UykBB3w_QGsMgwIA2IICAAQABgAIAAyDAgEYggIABAAGAAgADIMCAdiCAgAEAAYACAAMgwICGIICAAQABgAIAAyDAgJYggIABAAGAAgADIMCApiCAgAEAAYACAAMgwIAmIICAAQABgAIAAyDAgLYggIABAAGAAgADIMCBViCAgAEAAYACAAMgwIH2IICAAQABgAIAAyDAgTYggIABAAGAAgADIMCBJiCAgAEAAYACAAOiBodHRwczovL3d3dy5zZW1hbnRpY3NjaG9sYXIub3JnL0JXQ2hBSThNQ2N6d1lRb09lNTdPdlZucm9lRWkwQXR0dm4wZDZLaVFGV3ZYejRPM29KMWphVmgyMTVwS2tkc2RPS3RlZ09kVFhnMjhhM1VrRk5YdTI1TGY0egwICWIICAAQABgAIAA&is_vtc=1&cid=CAQSWwAFq6B97Jxrys8sacgpN-tNnGCDZTdchdzvOqnFcl8IlRPoRtC3ywM9lJb6bP2M08xwnnzdrumzL8V63QuUHPfH-UkQoy7-2UkqUIKbahGq5FasT9pEvSxWi08&random=1172073916www.google.com/pagead/1p-conversion... https://www.google.com/pagead/1p-conversion/936736651/?random=2050997926&cv=11&fst=1776799282174&bg=ffffff&guid=ON&async=1&en=page_view&gtm=45be64h1v9129852248za200zb9101518703zd9101518703xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115938465~115938468~117266400~118463262&u_w=412&u_h=823&url=https%3A%2F%2Fwww.semanticscholar.org%2F&rcb=17&capi=1&gtm_ee=1&frm=0&tiba=Semantic%20Scholar%20%7C%20AI-Powered%20Research%20Tool&did=dZTQ1Zm&gdid=dZTQ1Zm&npa=1&pscdl=noapi&auid=39044970.1776799282&label=q9VSCNbTk6AYEIvv1b4D&hn=www.googleadservices.com&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uamb=1&uam=moto%20g%20power%20(2022)&uap=Android&uapv=11.0&uaw=0&gcl_ctr=1~0~0~0&data=event%3Dgtag.config&category=acrcp_v1_512&fmt=8&ct_cookie_present=false&crd=CLTesQII8t-xAgit4bECCKG4sQIIscGxAgiwwbECCLHDsQIIisWxAgjCybECCLTGsQIIk9qxAgjb3LECCIfbsQII08WxAgjrzLECCO3OsQII1c-xAgj02rECCJfUsQIIyduxAgix4bECCLPhsQIIpt2xAgiw3rECCIDbsQJKJnRyaWdnZXI7ZXZlbnQtc291cmNlO25hdmlnYXRpb24tc291cmNlWgMKAQFiAwoBAw&cerd=CgEA&fsk=ChAI8MCczwYQ5M2swJGnz8hdEiwA-P8T6TrsDWp3mLmziWz7kLLYziDvdbQC0HgfChTipmPR6gI9fGTkahghPRoC1gA&pscrd=IhMIn6C4kNX_kwMV6UykBB3w_QGsMgwIA2IICAAQABgAIAAyDAgEYggIABAAGAAgADIMCAdiCAgAEAAYACAAMgwICGIICAAQABgAIAAyDAgJYggIABAAGAAgADIMCApiCAgAEAAYACAAMgwIAmIICAAQABgAIAAyDAgLYggIABAAGAAgADIMCBViCAgAEAAYACAAMgwIH2IICAAQABgAIAAyDAgTYggIABAAGAAgADIMCBJiCAgAEAAYACAAOiBodHRwczovL3d3dy5zZW1hbnRpY3NjaG9sYXIub3JnL0JXQ2hBSThNQ2N6d1lRb09lNTdPdlZucm9lRWkwQXR0dm4wZDZLaVFGV3ZYejRPM29KMWphVmgyMTVwS2tkc2RPS3RlZ09kVFhnMjhhM1VrRk5YdTI1TGY0egwICWIICAAQABgAIAA&is_vtc=1&cid=CAQSWwAFq6B97Jxrys8sacgpN-tNnGCDZTdchdzvOqnFcl8IlRPoRtC3ywM9lJb6bP2M08xwnnzdrumzL8V63QuUHPfH-UkQoy7-2UkqUIKbahGq5FasT9pEvSxWi08&random=1172073916 — 302 — 22 B — 70 ms — h3https://www.google.es/pagead/1p-conversion/936736651/?random=2050997926&cv=11&fst=1776799282174&bg=ffffff&guid=ON&async=1&en=page_view&gtm=45be64h1v9129852248za200zb9101518703zd9101518703xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115938465~115938468~117266400~118463262&u_w=412&u_h=823&url=https%3A%2F%2Fwww.semanticscholar.org%2F&rcb=17&capi=1&gtm_ee=1&frm=0&tiba=Semantic%20Scholar%20%7C%20AI-Powered%20Research%20Tool&did=dZTQ1Zm&gdid=dZTQ1Zm&npa=1&pscdl=noapi&auid=39044970.1776799282&label=q9VSCNbTk6AYEIvv1b4D&hn=www.googleadservices.com&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uamb=1&uam=moto%20g%20power%20(2022)&uap=Android&uapv=11.0&uaw=0&gcl_ctr=1~0~0~0&data=event%3Dgtag.config&category=acrcp_v1_512&fmt=8&ct_cookie_present=false&crd=CLTesQII8t-xAgit4bECCKG4sQIIscGxAgiwwbECCLHDsQIIisWxAgjCybECCLTGsQIIk9qxAgjb3LECCIfbsQII08WxAgjrzLECCO3OsQII1c-xAgj02rECCJfUsQIIyduxAgix4bECCLPhsQIIpt2xAgiw3rECCIDbsQJKJnRyaWdnZXI7ZXZlbnQtc291cmNlO25hdmlnYXRpb24tc291cmNlWgMKAQFiAwoBAw&cerd=CgEA&fsk=ChAI8MCczwYQ5M2swJGnz8hdEiwA-P8T6TrsDWp3mLmziWz7kLLYziDvdbQC0HgfChTipmPR6gI9fGTkahghPRoC1gA&is_vtc=1&cid=CAQSWwAFq6B97Jxrys8sacgpN-tNnGCDZTdchdzvOqnFcl8IlRPoRtC3ywM9lJb6bP2M08xwnnzdrumzL8V63QuUHPfH-UkQoy7-2UkqUIKbahGq5FasT9pEvSxWi08&random=1172073916&ipr=y&pscrd=IhMIn6C4kNX_kwMV6UykBB3w_QGsMgwIA2IICAAQABgAIAAyDAgEYggIABAAGAAgADIMCAdiCAgAEAAYACAAMgwICGIICAAQABgAIAAyDAgJYggIABAAGAAgADIMCApiCAgAEAAYACAAMgwIAmIICAAQABgAIAAyDAgLYggIABAAGAAgADIMCBViCAgAEAAYACAAMgwIH2IICAAQABgAIAAyDAgTYggIABAAGAAgADIMCBJiCAgAEAAYACAAOiBodHRwczovL3d3dy5zZW1hbnRpY3NjaG9sYXIub3JnL0JXQ2hBSThNQ2N6d1lRb09lNTdPdlZucm9lRWkwQXR0dm4wZDZLaVFGV3ZYejRPM29KMWphVmgyMTVwS2tkc2RPS3RlZ09kVFhnMjhhM1VrRk5YdTI1TGY0egwICWIICAAQABgAIAAwww.google.es/pagead/1p-conversion/... https://www.google.es/pagead/1p-conversion/936736651/?random=2050997926&cv=11&fst=1776799282174&bg=ffffff&guid=ON&async=1&en=page_view&gtm=45be64h1v9129852248za200zb9101518703zd9101518703xec&gcd=13l3l3l2l1l1&dma_cps=a&dma=1&tag_exp=0~115938465~115938468~117266400~118463262&u_w=412&u_h=823&url=https%3A%2F%2Fwww.semanticscholar.org%2F&rcb=17&capi=1&gtm_ee=1&frm=0&tiba=Semantic%20Scholar%20%7C%20AI-Powered%20Research%20Tool&did=dZTQ1Zm&gdid=dZTQ1Zm&npa=1&pscdl=noapi&auid=39044970.1776799282&label=q9VSCNbTk6AYEIvv1b4D&hn=www.googleadservices.com&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uamb=1&uam=moto%20g%20power%20(2022)&uap=Android&uapv=11.0&uaw=0&gcl_ctr=1~0~0~0&data=event%3Dgtag.config&category=acrcp_v1_512&fmt=8&ct_cookie_present=false&crd=CLTesQII8t-xAgit4bECCKG4sQIIscGxAgiwwbECCLHDsQIIisWxAgjCybECCLTGsQIIk9qxAgjb3LECCIfbsQII08WxAgjrzLECCO3OsQII1c-xAgj02rECCJfUsQIIyduxAgix4bECCLPhsQIIpt2xAgiw3rECCIDbsQJKJnRyaWdnZXI7ZXZlbnQtc291cmNlO25hdmlnYXRpb24tc291cmNlWgMKAQFiAwoBAw&cerd=CgEA&fsk=ChAI8MCczwYQ5M2swJGnz8hdEiwA-P8T6TrsDWp3mLmziWz7kLLYziDvdbQC0HgfChTipmPR6gI9fGTkahghPRoC1gA&is_vtc=1&cid=CAQSWwAFq6B97Jxrys8sacgpN-tNnGCDZTdchdzvOqnFcl8IlRPoRtC3ywM9lJb6bP2M08xwnnzdrumzL8V63QuUHPfH-UkQoy7-2UkqUIKbahGq5FasT9pEvSxWi08&random=1172073916&ipr=y&pscrd=IhMIn6C4kNX_kwMV6UykBB3w_QGsMgwIA2IICAAQABgAIAAyDAgEYggIABAAGAAgADIMCAdiCAgAEAAYACAAMgwICGIICAAQABgAIAAyDAgJYggIABAAGAAgADIMCApiCAgAEAAYACAAMgwIAmIICAAQABgAIAAyDAgLYggIABAAGAAgADIMCBViCAgAEAAYACAAMgwIH2IICAAQABgAIAAyDAgTYggIABAAGAAgADIMCBJiCAgAEAAYACAAOiBodHRwczovL3d3dy5zZW1hbnRpY3NjaG9sYXIub3JnL0JXQ2hBSThNQ2N6d1lRb09lNTdPdlZucm9lRWkwQXR0dm4wZDZLaVFGV3ZYejRPM29KMWphVmgyMTVwS2tkc2RPS3RlZ09kVFhnMjhhM1VrRk5YdTI1TGY0egwICWIICAAQABgAIAA — 200 — 115 B — 36 ms — h2https://www.semanticscholar.org/beacon/metricswww.semanticscholar.org/beacon/metr... https://www.semanticscholar.org/beacon/metrics — 204 — 944 B — 187 ms — http/1.1https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04079/4996efde3854/telemetryc09bc9c04079.edge.sdk.awswaf.com/c0... https://c09bc9c04079.edge.sdk.awswaf.com/c09bc9c04079/4996efde3854/telemetry — 200 — 1.4 KiB — 26 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 5052ms · 2091KB · €55/mo
cdn.semanticscholar.org
Other
Costly
Execution 1248ms
Transfer 715 KB
Unused 56%
Monthly Cost €14/mo
c09bc9c04079.edge.sdk.awswaf.com
Other
Costly
Execution 1156ms
Transfer 501 KB
Unused 51%
Monthly Cost €13/mo
HubSpot Analytics
Analytics
Costly
Execution 486ms
Transfer 42 KB
Monthly Cost €5/mo
Unattributable
Other
Costly
Execution 463ms
Transfer 0 KB
Monthly Cost €5/mo
fast.appcues.com
Other
Costly
Execution 375ms
Transfer 101 KB
Unused 72%
Monthly Cost €4/mo
www.semanticscholar.org
Other
Costly
Execution 342ms
Transfer 87 KB
Monthly Cost €4/mo
Google Tag Manager
Tag Manager
Costly
Execution 336ms
Transfer 177 KB
Unused 36%
Monthly Cost €4/mo
Google Tag Manager
Tag Manager
Costly
Execution 237ms
Transfer 155 KB
Unused 46%
Monthly Cost €3/mo
Google Tag Manager
Tag Manager
Costly
Execution 236ms
Transfer 142 KB
Unused 38%
Monthly Cost €3/mo
js.hubspot.com
Other
Optional
Execution 114ms
Transfer 28 KB
Monthly Cost €1/mo
Google Tag Manager
Tag Manager
Optional
Execution 58ms
Transfer 142 KB
Unused 73%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • cdn.semanticscholar.org adds 1248ms and costs ~€14/month
  • c09bc9c04079.edge.sdk.awswaf.com adds 1156ms and costs ~€13/month
  • HubSpot Analytics adds 486ms and costs ~€5/month
  • Unattributable adds 463ms and costs ~€5/month
  • fast.appcues.com adds 375ms and costs ~€4/month
  • www.semanticscholar.org adds 342ms and costs ~€4/month
  • Google Tag Manager adds 336ms and costs ~€4/month
  • Google Tag Manager adds 237ms and costs ~€3/month
  • Google Tag Manager adds 236ms and costs ~€3/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

cdn.semanticscholar.org takes 1248ms 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

56% of cdn.semanticscholar.org's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

c09bc9c04079.edge.sdk.awswaf.com takes 1156ms 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 c09bc9c04079.edge.sdk.awswaf.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

HubSpot Analytics takes 486ms 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

Unattributable takes 463ms 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

fast.appcues.com takes 375ms 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

72% of fast.appcues.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

www.semanticscholar.org takes 342ms 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 336ms 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 237ms 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 236ms 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

73% 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

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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