Skip to content
https://google.co.jp

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
90
GRADE
A
FIX
1
REVIEW
2
PASS
12
INFO
2

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

Mobile Desktop
77
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.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

3.81 s

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

4.16 s

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

10 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.

3.81 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

4.30 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
12 PASS 2 REVIEW 1 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 (248.9 KiB of 249.4 KiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
B
JS Execution Cost
636ms total JS execution
REVIEW
636ms total JS execution
Warning::
https://www.google.com/: 367ms CPU time
Info::
Unattributable: 168ms CPU time
Info::
https://www.gstatic.com/og/_/js/k=og.qtm.en_US.Z6E...: 101ms CPU time
Warning::
Third-party scripts: 636ms (100% of total)

Main Thread Breakdown

Other 32% Script Evaluation 30% Style & Layout 21% Script Parsing & Compilation 8% Parse HTML & CSS 6%
ScriptTotalScriptingParse/CompileParty
https://www.google.com/367ms112ms35ms3rd
Unattributable168ms6ms0ms3rd
https://www.gstatic.com/og/_/js/k=og.qtm.en_US.Z6E9e-jZ3gE.2019.O/rt=j/m=qabr,q_dnp,qcwid,qapid,qads/exm=qaaw,qadd,qaid,qein,qhaw,qhba,qhbr,qhch,qhga,qhid,qhin/d=1/ed=1/rs=AA2YrTtnYMWhnj_5JFE_4rY8kYjgFBEDSA101ms71ms18ms3rd
B
JS Bundles
1 scripts, 54 KB unused
REVIEW
1 scripts, 54 KB unused
Warning::
https://www.gstatic.com/og/_/js/k=og.qtm.en_US.Z6E...: 54 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 54 KB
54 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.gstatic.com/og/_/js/k=og.qtm.en_US.Z6E9e-jZ3gE.2019.O/rt=j/m=qabr,q_dnp,qcwid,qapid,qads/exm=qaaw,qadd,qaid,qein,qhaw,qhba,qhbr,qhch,qhga,qhid,qhin/d=1/ed=1/rs=AA2YrTtnYMWhnj_5JFE_4rY8kYjgFBEDSA80 KB54 KB (67%)✓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

A+
Page Weight Budget
249 KB transferred, 29 requests
PASS
249 KB transferred, 29 requests
Info::
Page weighs 723 KB (249 KB transferred)
Info::
29 HTTP requests
Info::
Estimated 0.05 g CO2 per page load
249 KB / 2.4 MB budget
249 KB transferred
29 requests
0.05 g CO2 per page load
JavaScript 79.9 KiB 32%
HTML 75.9 KiB 30%
Other 58.5 KiB 23%
Fonts 24.0 KiB 10%
Images 7.3 KiB 3%
CSS 3.4 KiB 1%
Other 358 B 0%
Other 75 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget
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
Image Optimization
7 images, 0 KB saveable
PASS
7 images, 0 KB saveable
Warning::
https://fonts.gstatic.com/s/i/productlogos/googleg... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
7 images 7 KB
0 oversized -0 KB
2 legacy format
1 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

A+
Font Loading
1 fonts (24 KB)
PASS
1 fonts (24 KB)
Info::
1 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

1

24 KB total

Render-blocking

0

of 1

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 3.8 s LCP 4.2 shttps://fonts.gstatic.com/s/googlesans/v29/4UaRrENHsxJlGDuGo1OIlJfC6mGS6vhAK1YobMu2vgCIhM907w.woff24UaRrENHsxJlGDuGo1OIlJf... https://fonts.gstatic.com/s/googlesans/v29/4UaRrENHsxJlGDuGo1OIlJfC6mGS6vhAK1YobMu2vgCIhM907w.woff2 — 24.0 KiB — 83 ms — font-display: swap
4UaRrENHsxJlGDuGo1OIlJf... woff2 swap
Size 24 KB
Load time 83 ms
Start 293 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
2 hints, 0 missing preconnects
PASS
2 hints, 0 missing preconnects
Info::
Page uses 2 resource hint(s)

Current Resource Hints

preconnect
—
preload
2
dns-prefetch
—
prefetch
—

2 resource hints configured

A
Page Weight Inventory
29 resources · 249 KB · 54 KB savings available
PASS
29 resources · 249 KB · 54 KB savings available
Info::
Within 1MB page-weight target
Got: 249 KB
Info::
~54 KB of savings available
Warning::
28 third-party resources (100% of weight)
29 resources · 249.4 KiB · 28 third-party Within 1MB page-weight target
JavaScript 32% · 79.9 KiB
Document 31% · 76.9 KiB
Other 21% · 53.0 KiB
Font 10% · 24.0 KiB
Image 5% · 12.1 KiB
CSS 1% · 3.4 KiB

~53.7 KiB of savings available

Remove unused JavaScript: 53.7 KiB
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: Google Cloud

A
HTTP Caching
max-age=2592000 (4 weeks)
PASS
max-age=2592000 (4 weeks)
Info::
Cache-Control header is set
Got: public, max-age=2592000
Info::
Effective TTL: 4 weeks (max-age=2592000)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

public, max-age=2592000

DirectiveValueMeaning
public—Any cache may store this response
max-age2592000Cache for 4 weeks
Effective TTL: 2592000 seconds
Network Waterfall
29 requests over 1640ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 3.8 s LCP 4.2 shttps://google.co.jp// https://google.co.jp/ — 301 — 520 B — 32 ms — h2https://www.google.co.jp/www.google.co.jp/ https://www.google.co.jp/ — 301 — 518 B — 33 ms — h2https://www.google.com/www.google.com/ https://www.google.com/ — 200 — 75.9 KiB — 123 ms — h3https://fonts.gstatic.com/s/googlesans/v29/4UaRrENHsxJlGDuGo1OIlJfC6mGS6vhAK1YobMu2vgCIhM907w.woff2fonts.gstatic.com/s/googlesans/v29/... https://fonts.gstatic.com/s/googlesans/v29/4UaRrENHsxJlGDuGo1OIlJfC6mGS6vhAK1YobMu2vgCIhM907w.woff2 — 200 — 24.0 KiB — 83 ms — h3https://www.google.com/images/searchbox/searchbox_sprites350_hr.webpwww.google.com/images/searchbox/sea... https://www.google.com/images/searchbox/searchbox_sprites350_hr.webp — 200 — 1.6 KiB — 24 ms — h3https://www.google.com/async/hpba?yv=3&cs=0&ei=rMvnaavRGP2GkdUPh8bpuQo&async=_basejs:/xjs/_/js/k%3Dxjs.hm.es.y1ZrfOhS2Ys.2019.O/am%3DAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAAgAAQAABAAAAAAAAAAABAAAAAAAAAAAAAAAARAACAAAAAAAAAAAADAAAAAAIAAAQAAAAAwAEAAABBAAgAAwAAAAAAAAAAAAAAAAAABBEAACAEADAPwBYAQAAAAAAAABIAAZYADQAAABAAAIAAACAAEAAAAAAAAAAEAAAAAAAAAACAAAAAAAAgAAAICgAAAAAAQAAAAAAAAEAAAAAAAAAAAAAAAAAwAAEAAAAAAAAAAAAAAAAgAMAEAgAAAAAcABhBAAAAQAAAAA0ADwQGCIoAAAAAAAAAAAAAAAAAAAAAAAAcAADLIMAAkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJQZcAAAAAAIBB/dg%3D0/br%3D1/rs%3DACT90oEWUZYLfUMyjFZypuqDmAhvH9KYTA,_basecss:/xjs/_/ss/k%3Dxjs.hm.npayecBA_5g.L.B1.O/am%3DABAhAAAAAAAAAAAAQAAAAAAAAAAAAAAAABAAAAAAAAAAAABAAAAAAAAgAAAQAAAAAAAAABAAMgAAgBgAAAAAAAAAAAAAACAAAAAAAQAAAAAACAAAAAAAAAAQAAAAAAAMAAABRAAAAAAKAAAAACAAAAAAAAAAABBAAAAAAAAAAABAAAAAAAAAADAADAYAAAAAAAAAAIABCACBAEIoBAiCAAAAAAAACAAAAAAAAEAAAAAAAAAAIABAAAAAAQAAAAAAAAAACAAAamQAAAADBAACgAgEAIAAAAAAAAAAAAAAgAkAAAAAAMAAcBBhBAAAAAAAAAAQ/br%3D1/rs%3DACT90oErtIK7oEaQUX_GrDox15LgJ09EHw,_basecomb:/xjs/_/js/k%3Dxjs.hm.es.y1ZrfOhS2Ys.2019.O/ck%3Dxjs.hm.npayecBA_5g.L.B1.O/am%3DABAhAAAAAAAAAAAAQAAAAAAAAAAAAAAAABAAAAAAAAAAAABAAAAAAAIgAgAQQAABAAAAABAAMgABgBgAAAAAAAAAAAAARCACAAAAAQAAAAAADAAAAAAIAAAQAAAAAwAMAAABRAAgAAwKAAAAACAAAAAAAAAAABBEAACAEADAPwBYAQAAAAAAADBIDAZYADQAAABAAIIBCACBAEIoBAiCAAAAEAAACAAAAAACAEAAAAAAgAAAIChAAAAAAQAAAAAAAAEACAAAamQAAAADBAACwAgEAIAAAAAAAAAAAAAAgAsAEAgAAMAAcBBhBAAAAQAAAAA0ADwQGCIoAAAAAAAAAAAAAAAAAAAAAAAAcAADLIMAAkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJQZcAAAAAAIBB/d%3D1/ed%3D1/dg%3D0/br%3D1/ujg%3D1/rs%3DACT90oF4ob6w_XXDYjSgvJ0dDx6WNbG2ew,_fmt:prog,_id:_rMvnaavRGP2GkdUPh8bpuQo_8&sp_imghp=false&sp_hpep=2&sp_hpte=0&vet=10ahUKEwir173c0v-TAxV9Q6QEHQdjOqcQj-0KCBo..iwww.google.com/async/hpba?yv=3&cs=0... https://www.google.com/async/hpba?yv=3&cs=0&ei=rMvnaavRGP2GkdUPh8bpuQo&async=_basejs:/xjs/_/js/k%3Dxjs.hm.es.y1ZrfOhS2Ys.2019.O/am%3DAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAAgAAQAABAAAAAAAAAAABAAAAAAAAAAAAAAAARAACAAAAAAAAAAAADAAAAAAIAAAQAAAAAwAEAAABBAAgAAwAAAAAAAAAAAAAAAAAABBEAACAEADAPwBYAQAAAAAAAABIAAZYADQAAABAAAIAAACAAEAAAAAAAAAAEAAAAAAAAAACAAAAAAAAgAAAICgAAAAAAQAAAAAAAAEAAAAAAAAAAAAAAAAAwAAEAAAAAAAAAAAAAAAAgAMAEAgAAAAAcABhBAAAAQAAAAA0ADwQGCIoAAAAAAAAAAAAAAAAAAAAAAAAcAADLIMAAkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJQZcAAAAAAIBB/dg%3D0/br%3D1/rs%3DACT90oEWUZYLfUMyjFZypuqDmAhvH9KYTA,_basecss:/xjs/_/ss/k%3Dxjs.hm.npayecBA_5g.L.B1.O/am%3DABAhAAAAAAAAAAAAQAAAAAAAAAAAAAAAABAAAAAAAAAAAABAAAAAAAAgAAAQAAAAAAAAABAAMgAAgBgAAAAAAAAAAAAAACAAAAAAAQAAAAAACAAAAAAAAAAQAAAAAAAMAAABRAAAAAAKAAAAACAAAAAAAAAAABBAAAAAAAAAAABAAAAAAAAAADAADAYAAAAAAAAAAIABCACBAEIoBAiCAAAAAAAACAAAAAAAAEAAAAAAAAAAIABAAAAAAQAAAAAAAAAACAAAamQAAAADBAACgAgEAIAAAAAAAAAAAAAAgAkAAAAAAMAAcBBhBAAAAAAAAAAQ/br%3D1/rs%3DACT90oErtIK7oEaQUX_GrDox15LgJ09EHw,_basecomb:/xjs/_/js/k%3Dxjs.hm.es.y1ZrfOhS2Ys.2019.O/ck%3Dxjs.hm.npayecBA_5g.L.B1.O/am%3DABAhAAAAAAAAAAAAQAAAAAAAAAAAAAAAABAAAAAAAAAAAABAAAAAAAIgAgAQQAABAAAAABAAMgABgBgAAAAAAAAAAAAARCACAAAAAQAAAAAADAAAAAAIAAAQAAAAAwAMAAABRAAgAAwKAAAAACAAAAAAAAAAABBEAACAEADAPwBYAQAAAAAAADBIDAZYADQAAABAAIIBCACBAEIoBAiCAAAAEAAACAAAAAACAEAAAAAAgAAAIChAAAAAAQAAAAAAAAEACAAAamQAAAADBAACwAgEAIAAAAAAAAAAAAAAgAsAEAgAAMAAcBBhBAAAAQAAAAA0ADwQGCIoAAAAAAAAAAAAAAAAAAAAAAAAcAADLIMAAkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJQZcAAAAAAIBB/d%3D1/ed%3D1/dg%3D0/br%3D1/ujg%3D1/rs%3DACT90oF4ob6w_XXDYjSgvJ0dDx6WNbG2ew,_fmt:prog,_id:_rMvnaavRGP2GkdUPh8bpuQo_8&sp_imghp=false&sp_hpep=2&sp_hpte=0&vet=10ahUKEwir173c0v-TAxV9Q6QEHQdjOqcQj-0KCBo..i — 200 — 153 B — 77 ms — h3https://www.gstatic.com/og/_/js/k=og.qtm.en_US.Z6E9e-jZ3gE.2019.O/rt=j/m=qabr,q_dnp,qcwid,qapid,qads/exm=qaaw,qadd,qaid,qein,qhaw,qhba,qhbr,qhch,qhga,qhid,qhin/d=1/ed=1/rs=AA2YrTtnYMWhnj_5JFE_4rY8kYjgFBEDSAwww.gstatic.com/og/_/js/k=og.qtm.en... https://www.gstatic.com/og/_/js/k=og.qtm.en_US.Z6E9e-jZ3gE.2019.O/rt=j/m=qabr,q_dnp,qcwid,qapid,qads/exm=qaaw,qadd,qaid,qein,qhaw,qhba,qhbr,qhch,qhga,qhid,qhin/d=1/ed=1/rs=AA2YrTtnYMWhnj_5JFE_4rY8kYjgFBEDSA — 200 — 79.9 KiB — 139 ms — h2https://www.gstatic.com/og/_/ss/k=og.qtm.UU1jl0qlR-Q.L.W.O/m=qcwid,d_b_gm3,d_wi_gm3,d_lo_gm3/excm=qaaw,qadd,qaid,qein,qhaw,qhba,qhbr,qhch,qhga,qhid,qhin/d=1/ed=1/ct=zgms/rs=AA2YrTvjm3gfcT8z8P1WhtTK58OWs4wlSQwww.gstatic.com/og/_/ss/k=og.qtm.UU... https://www.gstatic.com/og/_/ss/k=og.qtm.UU1jl0qlR-Q.L.W.O/m=qcwid,d_b_gm3,d_wi_gm3,d_lo_gm3/excm=qaaw,qadd,qaid,qein,qhaw,qhba,qhbr,qhch,qhga,qhid,qhin/d=1/ed=1/ct=zgms/rs=AA2YrTvjm3gfcT8z8P1WhtTK58OWs4wlSQ — 200 — 3.4 KiB — 92 ms — h2https://fonts.gstatic.com/s/i/productlogos/googleg/v6/24px.svgfonts.gstatic.com/s/i/productlogos/... https://fonts.gstatic.com/s/i/productlogos/googleg/v6/24px.svg — 200 — 465 B — 48 ms — h3https://fonts.gstatic.com/s/i/googlematerialicons/expand_more/v12/24px.svgfonts.gstatic.com/s/i/googlemateria... https://fonts.gstatic.com/s/i/googlematerialicons/expand_more/v12/24px.svg — 200 — 197 B — 49 ms — h3https://www.google.com/gen_204?atyp=i&ct=bxjs&cad=&b=0&ei=rMvnaavRGP2GkdUPh8bpuQo&zx=1776798636544&opi=89978449www.google.com/gen_204?atyp=i&ct=bx... https://www.google.com/gen_204?atyp=i&ct=bxjs&cad=&b=0&ei=rMvnaavRGP2GkdUPh8bpuQo&zx=1776798636544&opi=89978449 — 204 — 15 B — 26 ms — h3https://www.google.com/gen_204?ei=rMvnaavRGP2GkdUPh8bpuQo&vet=10ahUKEwir173c0v-TAxV9Q6QEHQdjOqcQhJAHCDY..s&bl=J8Xr&s=webhp&gl=es&pc=SEARCH_HOMEPAGE&isMobile=truewww.google.com/gen_204?ei=rMvnaavRG... https://www.google.com/gen_204?ei=rMvnaavRGP2GkdUPh8bpuQo&vet=10ahUKEwir173c0v-TAxV9Q6QEHQdjOqcQhJAHCDY..s&bl=J8Xr&s=webhp&gl=es&pc=SEARCH_HOMEPAGE&isMobile=true — 204 — 15 B — 27 ms — h3data:image/svg+xml,<svg width='16' height='16' xmlns='http://www.w3.org/2000/svg'><path fill='%233…www.w3.org/2000/svg'><path fill='%... data:image/svg+xml,<svg width='16' height='16' xmlns='http://www.w3.org/2000/svg'><path fill='%233… — 200 — 0 B — 0 ms — datadata:image/svg+xml,<svg width='16' height='16' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/sv…www.w3.org/2000/sv… data:image/svg+xml,<svg width='16' height='16' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/sv… — 200 — 0 B — 0 ms — datadata:image/svg+xml,<svg width='16' height='16' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/sv…www.w3.org/2000/sv… data:image/svg+xml,<svg width='16' height='16' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/sv… — 200 — 0 B — 0 ms — datadata:image/svg+xml,<svg width='16' height='16' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/sv…www.w3.org/2000/sv… data:image/svg+xml,<svg width='16' height='16' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/sv… — 200 — 0 B — 0 ms — datadata:image/svg+xml,<svg width='16' height='16' xmlns='http://www.w3.org/2000/svg'><path fill='%233…www.w3.org/2000/svg'><path fill='%... data:image/svg+xml,<svg width='16' height='16' xmlns='http://www.w3.org/2000/svg'><path fill='%233… — 200 — 0 B — 0 ms — datadata:image/svg+xml,<svg width='16' height='16' viewBox='0 0 16 16' fill='%233c4043' xmlns='http://w…w… data:image/svg+xml,<svg width='16' height='16' viewBox='0 0 16 16' fill='%233c4043' xmlns='http://w… — 200 — 0 B — 0 ms — datahttps://www.google.com/gen_204?ei=rMvnaavRGP2GkdUPh8bpuQo&vet=10ahUKEwir173c0v-TAxV9Q6QEHQdjOqcQkpAHCJcB..s&bl=J8Xr&s=webhpwww.google.com/gen_204?ei=rMvnaavRG... https://www.google.com/gen_204?ei=rMvnaavRGP2GkdUPh8bpuQo&vet=10ahUKEwir173c0v-TAxV9Q6QEHQdjOqcQkpAHCJcB..s&bl=J8Xr&s=webhp — 204 — 15 B — 27 ms — h3https://www.google.com/xjs/_/ss/k=xjs.hm.npayecBA_5g.L.B1.O/am=ABAhAAAAAAAAAAAAQAAAAAAAAAAAAAAAABAAAAAAAAAAAABAAAAAAAAgAAAQAAAAAAAAABAAMgAAgBgAAAAAAAAAAAAAACAAAAAAAQAAAAAACAAAAAAAAAAQAAAAAAAMAAABRAAAAAAKAAAAACAAAAAAAAAAABBAAAAAAAAAAABAAAAAAAAAADAADAYAAAAAAAAAAIABCACBAEIoBAiCAAAAAAAACAAAAAAAAEAAAAAAAAAAIABAAAAAAQAAAAAAAAAACAAAamQAAAADBAACgAgEAIAAAAAAAAAAAAAAgAkAAAAAAMAAcBBhBAAAAAAAAAAQ/d=1/ed=1/br=1/rs=ACT90oErtIK7oEaQUX_GrDox15LgJ09EHw/m=bct,cdos,hsm,jsa,qim,rr4R9e,cEt90b,SNUn3,qddgKe,sTsDMc,dtl0hd,eHDfl,YV5bee,d,csiwww.google.com/xjs/_/ss/k=xjs.hm.np... https://www.google.com/xjs/_/ss/k=xjs.hm.npayecBA_5g.L.B1.O/am=ABAhAAAAAAAAAAAAQAAAAAAAAAAAAAAAABAAAAAAAAAAAABAAAAAAAAgAAAQAAAAAAAAABAAMgAAgBgAAAAAAAAAAAAAACAAAAAAAQAAAAAACAAAAAAAAAAQAAAAAAAMAAABRAAAAAAKAAAAACAAAAAAAAAAABBAAAAAAAAAAABAAAAAAAAAADAADAYAAAAAAAAAAIABCACBAEIoBAiCAAAAAAAACAAAAAAAAEAAAAAAAAAAIABAAAAAAQAAAAAAAAAACAAAamQAAAADBAACgAgEAIAAAAAAAAAAAAAAgAkAAAAAAMAAcBBhBAAAAAAAAAAQ/d=1/ed=1/br=1/rs=ACT90oErtIK7oEaQUX_GrDox15LgJ09EHw/m=bct,cdos,hsm,jsa,qim,rr4R9e,cEt90b,SNUn3,qddgKe,sTsDMc,dtl0hd,eHDfl,YV5bee,d,csi — 200 — 22 B — 20 ms — h3https://www.google.com/gen_204?s=webhp&t=aft&atyp=csi&ei=rMvnaavRGP2GkdUPh8bpuQo&rt=wsrt.268,hst.16,prt.86,afti.107,aft.107&folr=_rMvnaavRGP2GkdUPh8bpuQo_8&imn=2&dtc=176&stc=31&ima=2&imad=0&imac=0&wh=823&nt=navigate&dt=&ts=77913&nhp=h3&ant=push&opi=89978449www.google.com/gen_204?s=webhp&t=af... https://www.google.com/gen_204?s=webhp&t=aft&atyp=csi&ei=rMvnaavRGP2GkdUPh8bpuQo&rt=wsrt.268,hst.16,prt.86,afti.107,aft.107&folr=_rMvnaavRGP2GkdUPh8bpuQo_8&imn=2&dtc=176&stc=31&ima=2&imad=0&imac=0&wh=823&nt=navigate&dt=&ts=77913&nhp=h3&ant=push&opi=89978449 — 204 — 15 B — 25 ms — h3https://www.google.com/images/nav_logo325_hr.webpwww.google.com/images/nav_logo325_h... https://www.google.com/images/nav_logo325_hr.webp — 200 — 5.0 KiB — 25 ms — h3https://www.google.com/gen_204?s=async&astyp=hpba&t=all&atyp=csi&ei=rMvnadSgIamikdUPgKGhyAk&rt=ipf.14,ipfr.94,ttfb.94,st.95,ipfrl.96,acrt.96,aaft.96,art.97,ns.-298&twt=1&mwt=1&imn=0&ima=0&cb=112&ucb=102&folid=_rMvnaavRGP2GkdUPh8bpuQo_8www.google.com/gen_204?s=async&asty... https://www.google.com/gen_204?s=async&astyp=hpba&t=all&atyp=csi&ei=rMvnadSgIamikdUPgKGhyAk&rt=ipf.14,ipfr.94,ttfb.94,st.95,ipfrl.96,acrt.96,aaft.96,art.97,ns.-298&twt=1&mwt=1&imn=0&ima=0&cb=112&ucb=102&folid=_rMvnaavRGP2GkdUPh8bpuQo_8 — 204 — 15 B — 26 ms — h3https://ogads-pa.clients6.google.com/$rpc/google.internal.onegoogle.asyncdata.v1.AsyncDataService/GetAsyncDataogads-pa.clients6.google.com/$rpc/g... https://ogads-pa.clients6.google.com/$rpc/google.internal.onegoogle.asyncdata.v1.AsyncDataService/GetAsyncData — 200 — 0 B — 95 ms — h2https://www.google.com/shared_dict/homepage/17dd9163060fe7f073575b3f66dddf04000120e9aad984bab3a315e475e4f195.dictwww.google.com/shared_dict/homepage... https://www.google.com/shared_dict/homepage/17dd9163060fe7f073575b3f66dddf04000120e9aad984bab3a315e475e4f195.dict — 200 — 52.7 KiB — 49 ms — h3https://www.google.com/images/branding/product/1x/gsa_android_144dp.pngwww.google.com/images/branding/prod... https://www.google.com/images/branding/product/1x/gsa_android_144dp.png — 200 — 4.9 KiB — 26 ms — h3https://ogads-pa.clients6.google.com/$rpc/google.internal.onegoogle.asyncdata.v1.AsyncDataService/GetAsyncDataogads-pa.clients6.google.com/$rpc/g... https://ogads-pa.clients6.google.com/$rpc/google.internal.onegoogle.asyncdata.v1.AsyncDataService/GetAsyncData — 200 — 54 B — 77 ms — h3https://play.google.com/log?format=json&hasfast=trueplay.google.com/log?format=json&has... https://play.google.com/log?format=json&hasfast=true — 200 — 0 B — 91 ms — h2https://play.google.com/log?format=json&hasfast=trueplay.google.com/log?format=json&has... https://play.google.com/log?format=json&hasfast=true — 200 — 151 B — 73 ms — h3
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 636ms · 156KB · ¥879/mo
www.google.com
Other
Costly
Execution 367ms
Transfer 76 KB
Monthly Cost ¥508/mo
Unattributable
Other
Costly
Execution 168ms
Transfer 0 KB
Monthly Cost ¥233/mo
www.gstatic.com
Other
Costly
Execution 101ms
Transfer 80 KB
Unused 67%
Monthly Cost ¥139/mo

These scripts may cost more than they're worth

  • www.google.com adds 367ms and costs ~¥508/month
  • Unattributable adds 168ms and costs ~¥233/month
  • www.gstatic.com adds 101ms and costs ~¥139/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.google.com takes 367ms 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 168ms 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.gstatic.com takes 101ms 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

67% of www.gstatic.com's code is unused. The script may be loading features you don't use.

Why this matters

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

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback