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Performance

· 26 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
82
GRADE
B
FIX
1
REVIEW
10
PASS
12
INFO
3

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

Mobile Desktop
60
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
72
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.
100
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.

3.98 s

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

4.13 s

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

509 ms

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

0.077

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

5.83 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.

7.66 s

Page Load Progression

376 ms
751 ms
1.1 s
1.5 s
1.9 s
2.3 s
2.6 s
3.0 s
Checks
26
12 PASS 10 REVIEW 1 FIX
F
JS Execution Cost
Action
3636ms total JS execution
FIX
3636ms total JS execution
Warning::
https://kofcorporation.com/: 1164ms CPU time
Warning::
https://kofcorporation.com/assets/js/main.js: 647ms CPU time
Warning::
Unattributable: 582ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-FES7...: 275ms CPU time
Warning::
https://kofcorporation.com/assets/js/TweenMax.min....: 272ms CPU time
Info::
Third-party scripts: 586ms (16% of total)

Main Thread Breakdown

Script Evaluation 34% Other 30% Style & Layout 20% Script Parsing & Compilation 6% Rendering 6% Parse HTML & CSS 3%
ScriptTotalScriptingParse/CompileParty
https://kofcorporation.com/1164ms8ms3ms1st
https://kofcorporation.com/assets/js/main.js647ms456ms4ms1st
Unattributable582ms115ms0ms1st
https://www.googletagmanager.com/gtag/js?id=G-FES79Y8HH3&cx=c&gtm=4e68o1275ms189ms81ms3rd
https://kofcorporation.com/assets/js/TweenMax.min.js272ms61ms22ms1st
https://kofcorporation.com/assets/js/jquery.min.js260ms112ms18ms1st
https://www.googletagmanager.com/gtag/js?id=UA-150712916-1252ms198ms51ms3rd
https://kofcorporation.com/assets/js/wow.min.js72ms37ms1ms1st
https://www.google-analytics.com/analytics.js59ms51ms7ms3rd
https://kofcorporation.com/assets/js/ScrollMagic.min.js55ms6ms3ms1st
B
Page Weight Budget
1.5 MB transferred, 79 requests
REVIEW
1.5 MB transferred, 79 requests
Info::
Page weighs 3.1 MB (1.5 MB transferred)
Info::
Fonts are 203 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 203 KB
Info::
79 HTTP requests
Info::
Estimated 0.31 g CO2 per page load
1.5 MB / 2.4 MB budget
1.5 MB transferred
79 requests
0.31 g CO2 per page load
Images 666.9 KiB 45%
JavaScript 498.5 KiB 33%
Fonts 203.5 KiB 14%
CSS 98.2 KiB 7%
Other 14.2 KiB 1%
HTML 7.7 KiB 1%
Other 560 B 0%
Other 551 B 0%
0 2.4 MB 4.9 MB
Under budget

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

C
Image Optimization
Action
31 images, 0 KB saveable
REVIEW
31 images, 0 KB saveable
Warning::
https://kofcorporation.com/assets/img/star-icon.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/services/ico... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/partner/3.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/funfacts/ico... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/partner/1.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/partner/5.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/projects/ggt... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/partner/6.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/banner-img3.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/services/ico... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/funfacts/ico... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/projects/gro... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/project-star... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/logo.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/projects/jeu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/services/ico... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/partner/2.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/funfacts/ico... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/projects/mus... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/partner/4.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/funfacts/ico... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://kofcorporation.com/assets/img/projects/ely... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
31 images 667 KB
0 oversized -0 KB
31 legacy format
22 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

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 Bundles
Action
26 scripts, 159 KB unused
REVIEW
26 scripts, 159 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-FES7...: 72 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=UA-150...: 66 KB unused (50%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://kofcorporation.com/assets/js/TweenMax.min....: 21 KB unused (55%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 159 KB
159 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-FES79Y8HH3&cx=c&gtm=4e68o1170 KB72 KB (42%)✓3rd
https://www.googletagmanager.com/gtag/js?id=UA-150712916-1130 KB66 KB (50%)✓3rd
https://kofcorporation.com/assets/js/TweenMax.min.js39 KB21 KB (55%)✓1st
https://kofcorporation.com/assets/js/isotope.pkgd.min.js10 KB—✓1st
https://kofcorporation.com/assets/js/ScrollMagic.min.js6 KB—✓1st
https://kofcorporation.com/assets/js/magnific-popup.min.js7 KB—✓1st
https://kofcorporation.com/assets/js/tilt.jquery.min.js2 KB—✓1st
https://kofcorporation.com/assets/js/meanmenu.min.js2 KB—✓1st
https://kofcorporation.com/assets/js/nice-select.min.js1 KB—✓1st
https://kofcorporation.com/assets/js/rangeSlider.min.js9 KB—✓1st

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

B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
HTTP/3 (QUIC) is not advertised
HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.
B
Compression Algorithm
Main response uses gzip; brotli would be ~20% smaller
REVIEW
Main response uses gzip; brotli would be ~20% smaller
Info::
Main HTML response uses gzip (brotli would be ~20% smaller)
All current browsers support brotli. Most CDNs (Cloudflare, Fastly, AWS CloudFront, Vercel, Netlify) can switch from gzip to brotli with a single config flag. Origin servers (nginx, Apache) need a brotli module compiled in -- nginx-brotli or Apache mod_brotli.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
C
Page Weight Inventory
Action
79 resources · 1.5 MB · 159 KB savings available
REVIEW
79 resources · 1.5 MB · 159 KB savings available
Warning::
Page weight 1.5 MB exceeds 1 MB target by 466 KB
Got: 1.5 MB Expected: ≤ 1 MB
Info::
~159 KB of savings available
Info::
11 third-party resources (27% of weight)
79 resources · 1.5 MiB · 11 third-party 466.0 KiB over 1MB target
Image 46% · 681.0 KiB
JavaScript 33% · 498.5 KiB
Font 14% · 203.5 KiB
CSS 7% · 98.2 KiB
Document 1% · 7.7 KiB
Other 0% · 1.1 KiB

~159.2 KiB of savings available

Remove unused JavaScript: 159.2 KiB
C
JavaScript Blocking
Action
3 JS blocking issue(s) detected
REVIEW
3 JS blocking issue(s) detected
Warning::
21 render-blocking <script src> tag(s) without async/defer
Each `<script src=...>` without `async`, `defer`, or `type="module"` blocks HTML parsing while the browser fetches and executes it. The block lasts the entire round-trip + execution time -- on slow networks this translates directly into LCP delay. Add `defer` (executes after parse, in source order) for scripts that interact with the DOM, or `async` (executes whenever ready) for analytics / independent scripts. Module scripts (`type="module"`) are deferred by default.
Warning::
Page uses document.write() -- disables Chrome's preload scanner
`document.write()` blocks all parallel resource discovery while it executes. Chrome explicitly disables the preload scanner on connections it judges slow when document.write is detected, serializing the entire subtree load. Almost always third-party ad / analytics legacy code; replacing with createElement + appendChild (or refusing to integrate the offending vendor) recovers significant load-time on mobile.
Warning::
Total JS execution time is 3.6 s -- over the 3.5s budget
Total JavaScript execution (parse + compile + run) across all scripts exceeds 3.5 seconds. On low-end devices that becomes 7-15+ seconds and shows up directly in TBT and INP. Reduce by: tree-shaking unused dependencies, code-splitting (dynamic `import()`), removing or deferring third-party tracking, and replacing heavy frameworks where they're not needed.
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

B
HTTP Caching
no-cache, private
REVIEW
no-cache, private
Info::
Cache-Control header is set
Got: no-cache, private
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-cache, private

DirectiveValueMeaning
no-cache—Cache but always revalidate first
private—Only browser cache, not CDN/proxy
A
Third-Party Impact
27% third-party, 0 ms blocking
PASS
27% third-party, 0 ms blocking
Info::
Third-party code accounts for 27% of page weight (403.1 KiB of 1.5 MiB)
Info::
Third-party blocking time is low (0 ms)
73%
27%
First-party Third-party
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 (203 KB)
PASS
4 fonts (203 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

203 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 1.0 s 2.0 s 3.0 s 4.0 s FCP 4.0 s LCP 4.1 shttps://kofcorporation.com/assets/fonts/Flaticon.woff2Flaticon.woff2 https://kofcorporation.com/assets/fonts/Flaticon.woff2 — 12.0 KiB — 380 ms — font-display: swaphttps://fonts.gstatic.com/s/nunito/v32/XRXV3I6Li01BKofINeaBTMnFcQ.woff2XRXV3I6Li01BKofINeaBTMn... https://fonts.gstatic.com/s/nunito/v32/XRXV3I6Li01BKofINeaBTMnFcQ.woff2 — 38.3 KiB — 13 ms — font-display: swaphttps://kofcorporation.com/assets/fonts/boxicons.woff2boxicons.woff2 https://kofcorporation.com/assets/fonts/boxicons.woff2 — 112.4 KiB — 374 ms — font-display: swaphttps://fonts.gstatic.com/s/nunito/v32/XRXX3I6Li01BKofIMNaDRs7nczIH.woff2XRXX3I6Li01BKofIMNaDRs7... https://fonts.gstatic.com/s/nunito/v32/XRXX3I6Li01BKofIMNaDRs7nczIH.woff2 — 40.8 KiB — 14 ms — font-display: swap
Flaticon.woff2 woff2 swap
Size 12 KB
Load time 380 ms
Start 1.3 s
Risk FOUT — text flashes from fallback to web font
XRXV3I6Li01BKofINeaBTMn... woff2 swap
Size 38 KB
Load time 13 ms
Start 1.3 s
Risk FOUT — text flashes from fallback to web font
boxicons.woff2 woff2 swap
Size 112 KB
Load time 374 ms
Start 1.3 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
XRXX3I6Li01BKofIMNaDRs7... woff2 swap
Size 41 KB
Load time 14 ms
Start 1.3 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)

Fixing the unchecked items could save ~56 KB and ~112 ms

A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
LCP image preload audit not available for this scan
A+
Main HTML Cache-Control
Main HTML uses no-cache -- safe revalidate-on-request policy
PASS
Main HTML uses no-cache -- safe revalidate-on-request policy
Info::
Main HTML uses no-cache -- safe revalidate-on-request policy
Got: no-cache, private
A+
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Info::
`Vary` header declared: Accept-Encoding,User-Agent
The page declares a `Vary` header, telling downstream caches which request headers the response varies on. Critical for content-negotiated responses (compression, language, cookies, device class).
Info::
No `ETag` or `Last-Modified` -- conditional GET not supported
Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.
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
CSS Performance Depth
1 CSS depth issue(s) detected
PASS
1 CSS depth issue(s) detected
Warning::
13 render-blocking stylesheet(s) -- recommended: <=3
Each `<link rel="stylesheet">` without a non-blocking `media` attribute holds up the first paint. Browsers download all of them before painting any content. Consolidate into 1-2 critical-path stylesheets; defer non-critical CSS via `<link rel="stylesheet" media="print" onload="this.media='all'">` or via the loadCSS pattern; inline above-the-fold CSS in `<style>` to short-circuit the request entirely.
Network Waterfall
79 requests over 2382ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 4.0 s LCP 4.1 shttps://kofcorporation.com// https://kofcorporation.com/ — 200 — 7.7 KiB — 672 ms — h2https://kofcorporation.com/assets/css/bootstrap.min.css/assets/css/bootstrap.min.css https://kofcorporation.com/assets/css/bootstrap.min.css — 200 — 23.2 KiB — 283 ms — h2https://kofcorporation.com/assets/css/animate.min.css/assets/css/animate.min.css https://kofcorporation.com/assets/css/animate.min.css — 200 — 5.1 KiB — 142 ms — h2https://www.googletagmanager.com/gtag/js?id=G-123DVDN3PRwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-123DVDN3PR — -1 — 0 B — 720 ms — https://kofcorporation.com/assets/css/boxicons.min.css/assets/css/boxicons.min.css https://kofcorporation.com/assets/css/boxicons.min.css — 200 — 11.6 KiB — 147 ms — h2https://kofcorporation.com/assets/css/flaticon.css/assets/css/flaticon.css https://kofcorporation.com/assets/css/flaticon.css — 200 — 788 B — 157 ms — 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https://stats.g.doubleclick.net/g/collect?v=2&ngs=1&ibt=1&tid=G-FES79Y8HH3&cid=1590408744.1787746977&gtm=45je68o1v9117188455za20g&rcb=3&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=115616986~115938465~115938468~118897920~118897930~119367802~119367810~120385422 — 204 — 560 B — 152 ms — h2https://www.google.com.br/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&ngs=1&ibt=1&tid=G-FES79Y8HH3&cid=1590408744.1787746977&gtm=45je68o1v9117188455za20g&rcb=3&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=115616986~115938465~115938468~118897920~118897930~119367802~119367810~120385422&z=1255799667www.google.com.br/ads/ga-audiences?... https://www.google.com.br/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&ngs=1&ibt=1&tid=G-FES79Y8HH3&cid=1590408744.1787746977&gtm=45je68o1v9117188455za20g&rcb=3&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=115616986~115938465~115938468~118897920~118897930~119367802~119367810~120385422&z=1255799667 — 200 — 63 B — 134 ms — h3https://kofcorporation.com/assets/img/favicon.png/assets/img/favicon.png https://kofcorporation.com/assets/img/favicon.png — 200 — 14.2 KiB — 138 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
16% of JavaScript execution is third-party
First-party Third-party 586ms · 321KB · $8/mo
Google Tag Manager
Tag Manager
Costly
Execution 275ms
Transfer 170 KB
Unused 42%
Monthly Cost $4/mo
Google Tag Manager
Tag Manager
Costly
Execution 252ms
Transfer 130 KB
Unused 50%
Monthly Cost $3/mo
Google Analytics
Analytics
Optional
Execution 59ms
Transfer 21 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 275ms and costs ~$4/month
  • Google Tag Manager adds 252ms and costs ~$3/month

Google Tag Manager takes 275ms 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 252ms 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

50% 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

Image Optimization
39 images, 690 KB total, 330 KB wasted
INFO

Image Optimization Audit

Total Images

39

Total Size

690 KB

Oversized

7

Wasted

330 KB

39 missing dimensions 38 missing lazy loading
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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