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https://hikvision.com

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
67
GRADE
D
FIX
6
REVIEW
2
PASS
5
INFO
2

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

Mobile Desktop
54
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
71
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.
77
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.

1.71 s

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

2.48 s

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

637 ms

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

0.051

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

1.71 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.

4.59 s

Page Load Progression

734 ms
1.5 s
2.2 s
2.9 s
3.7 s
4.4 s
5.1 s
5.9 s
Checks
15
5 PASS 2 REVIEW 6 FIX
F
Page Weight Budget
Action
14.8 MB transferred, 107 requests
FIX
14.8 MB transferred, 107 requests
Critical::
Page weighs 19.6 MB (14.8 MB transferred)
Warning::
Images are 2.9 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 2.9 MB
Warning::
JavaScript is 1.1 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.1 MB
Info::
Fonts are 336 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 336 KB
Info::
CSS is 274 KB — consider purging unused styles
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
Got: 274 KB
Warning::
107 HTTP requests — consider bundling or reducing
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
Info::
Estimated 3.1 g CO2 per page load
14.8 MB / 2.4 MB budget
14.8 MB transferred
107 requests
3.1 g CO2 per page load
Other 10.0 MiB 68%
Images 2.9 MiB 20%
JavaScript 1.1 MiB 8%
Fonts 335.7 KiB 2%
CSS 274.3 KiB 2%
HTML 72.1 KiB 0%
Other 25.7 KiB 0%
Other 2.6 KiB 0%
Other 1.1 KiB 0%
Other 890 B 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

Source: web.dev

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

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

Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.

Why this matters

CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.

Source: web.dev

Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.

Why this matters

High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.

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 (14.8 MiB of 14.8 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
3265ms total JS execution
FIX
3265ms total JS execution
Warning::
https://www.hikvision.com/etc.clientlibs/hiknow/cl...: 1823ms CPU time
Warning::
https://www.hikvision.com/en/?C3VK=7cc681: 454ms CPU time
Warning::
Unattributable: 306ms CPU time
Info::
https://www.hikvision.com/etc.clientlibs/clientlib...: 186ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-PG3H...: 185ms CPU time
Warning::
Third-party scripts: 3265ms (100% of total)

Main Thread Breakdown

Other 55% Script Evaluation 27% Style & Layout 8% Script Parsing & Compilation 4% Rendering 3%
ScriptTotalScriptingParse/CompileParty
https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-site/dependencies.min.e0e24d46966d0b9d128091e12819a487.js1823ms205ms4ms3rd
https://www.hikvision.com/en/?C3VK=7cc681454ms23ms3ms3rd
Unattributable306ms7ms0ms3rd
https://www.hikvision.com/etc.clientlibs/clientlibs/granite/jquery.min.f670cad9b49f6e0179cfb6bd07a99b09.js186ms150ms3ms3rd
https://www.googletagmanager.com/gtag/js?id=G-PG3HDW12RB&cx=c&gtm=4e64k0185ms166ms17ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-MSGBK2H110ms93ms15ms3rd
https://connect.facebook.net/signals/config/579708877049878?v=2.9.303&r=stable&domain=www.hikvision.com&hme=97937018cefade17726f0472876fc101316b2ce9008a35a6a5a7977d7436151a&ex_m=104%2C205%2C154%2C22%2C72%2C73%2C145%2C68%2C67%2C11%2C162%2C90%2C16%2C138%2C127%2C39%2C75%2C78%2C134%2C159%2C164%2C8%2C4%2C5%2C7%2C6%2C3%2C91%2C101%2C165%2C170%2C219%2C62%2C186%2C187%2C55%2C276%2C30%2C74%2C231%2C230%2C229%2C23%2C33%2C103%2C61%2C10%2C63%2C97%2C98%2C99%2C105%2C130%2C31%2C29%2C132%2C133%2C129%2C128%2C155%2C76%2C158%2C156%2C157%2C50%2C60%2C123%2C15%2C161%2C45%2C263%2C264%2C262%2C26%2C27%2C28%2C48%2C146%2C77%2C112%2C18%2C20%2C44%2C40%2C42%2C41%2C83%2C92%2C96%2C110%2C144%2C147%2C46%2C111%2C24%2C21%2C119%2C69%2C36%2C149%2C148%2C150%2C141%2C139%2C25%2C35%2C59%2C109%2C160%2C70%2C17%2C152%2C114%2C81%2C66%2C19%2C85%2C86%2C116%2C84%2C136%2C135%2C34%2C278%2C293%2C212%2C201%2C202%2C200%2C296%2C288%2C52%2C213%2C107%2C131%2C80%2C121%2C54%2C47%2C49%2C113%2C120%2C126%2C58%2C64%2C151%2C115%2C37%2C32%2C53%2C56%2C100%2C163%2C1%2C124%2C14%2C122%2C12%2C2%2C57%2C93%2C65%2C118%2C89%2C88%2C166%2C167%2C94%2C95%2C9%2C125%2C102%2C51%2C142%2C87%2C79%2C71%2C117%2C106%2C43%2C143%2C0%2C82%2C137%2C140%2C153%2C38%2C108%2C13%2C16893ms63ms12ms3rd
https://script.hotjar.com/modules.6a0f3932cb1341a35c18.js57ms48ms8ms3rd
https://connect.facebook.net/en_US/fbevents.js52ms39ms11ms3rd
F
JS Bundles
Action
21 scripts, 526 KB unused
FIX
21 scripts, 526 KB unused
Warning::
https://www.hikvision.com/etc.clientlibs/hiknow/co...: 126 KB unused (75%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-MSG...: 63 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.hikvision.com/etc.clientlibs/hiknow/cl...: 60 KB unused (52%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.hikvision.com/etc.clientlibs/hiknow/cl...: unminified — 57 KB could be saved
Warning::
https://www.googletagmanager.com/gtag/js?id=G-PG3H...: 53 KB unused (30%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.hikvision.com/etc.clientlibs/hiknow/co...: 47 KB unused (76%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.hikvision.com/etc.clientlibs/hiknow/co...: unminified — 22 KB could be saved
Info::
Total unused JavaScript: 526 KB
526 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.hikvision.com/etc.clientlibs/hiknow/components/structure/home-page/clientlibs/dependencies.min.c833cd807d1cc99eb0f420b1e62fb6b5.js168 KB126 KB (75%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-MSGBK2H150 KB63 KB (42%)✓3rd
https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-before.min.c4689a4019bedcad149e65728ed8aeea.js117 KB60 KB (52%)✗3rd
https://www.googletagmanager.com/gtag/js?id=G-PG3HDW12RB&cx=c&gtm=4e64k0178 KB53 KB (30%)✓3rd
https://www.hikvision.com/etc.clientlibs/hiknow/components/structure/home-page/clientlibs/components.min.32888f9b7cd653dbc7ec7184ba09bb29.js63 KB47 KB (76%)✗3rd
https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-in-page.min.1984d9c443d8688ff9c460eb0280ff8c.js57 KB43 KB (78%)✗3rd
https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-base.min.b7dad676def7b140a846330be87d9498.js45 KB39 KB (88%)✓3rd
https://script.hotjar.com/modules.6a0f3932cb1341a35c18.js57 KB38 KB (67%)✓3rd
https://connect.facebook.net/en_US/fbevents.js97 KB34 KB (35%)✓3rd
https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-site/dependencies.min.e0e24d46966d0b9d128091e12819a487.js39 KB23 KB (61%)✗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
107 resources · 14.8 MB · 526 KB savings available
FIX
107 resources · 14.8 MB · 526 KB savings available
Warning::
Page weight 13.8 MB over 1MB target
Got: 14.8 MB Expected: ≤ 1 MB
Info::
~526 KB of savings available
Warning::
105 third-party resources (100% of weight)
Info::
10 resources over 200KB
107 resources · 14.8 MiB · 105 third-party 13.8 MiB over 1MB target
Media 68% · 10.0 MiB
Image 20% · 2.9 MiB
JavaScript 8% · 1.1 MiB
Font 2% · 335.7 KiB
CSS 2% · 274.3 KiB
Document 0% · 73.7 KiB
Other 0% · 27.7 KiB

~525.8 KiB of savings available

Remove unused JavaScript: 525.8 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

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

C
Image Optimization
Action
44 images, 0 KB saveable
REVIEW
44 images, 0 KB saveable
Warning::
https://www.hikvision.com/content/dam/hikvision/en... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.hikvision.com/etc/clientlibs/it/resour... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.hikvision.com/etc/clientlibs/it/resour... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.hikvision.com/etc/clientlibs/it/resour... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.hikvision.com/etc/clientlibs/it/resour... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
44 images 2.9 MB
0 oversized -0 KB
42 legacy format
5 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

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
5 fonts (336 KB)
PASS
5 fonts (336 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

336 KB total

Render-blocking

0

of 5

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 1.7 s LCP 2.5 shttps://www.hikvision.com/etc/clientlibs/it/resources/fonts/OpenSans-Regular.ttfOpenSans-Regular.ttf https://www.hikvision.com/etc/clientlibs/it/resources/fonts/OpenSans-Regular.ttf — 62.0 KiB — 27 ms — font-display: swaphttps://www.hikvision.com/etc/clientlibs/it/resources/fonts/OpenSans-SemiBold.ttfOpenSans-SemiBold.ttf https://www.hikvision.com/etc/clientlibs/it/resources/fonts/OpenSans-SemiBold.ttf — 64.5 KiB — 44 ms — font-display: swaphttps://www.hikvision.com/etc/clientlibs/it/resources/fonts/Poppins-Bold.ttfPoppins-Bold.ttf https://www.hikvision.com/etc/clientlibs/it/resources/fonts/Poppins-Bold.ttf — 71.7 KiB — 31 ms — font-display: swaphttps://www.hikvision.com/etc/clientlibs/it/resources/fonts/Poppins-Medium.ttfPoppins-Medium.ttf https://www.hikvision.com/etc/clientlibs/it/resources/fonts/Poppins-Medium.ttf — 72.2 KiB — 28 ms — font-display: swaphttps://www.hikvision.com/etc/clientlibs/it/resources/fonts/OpenSans-Bold.ttfOpenSans-Bold.ttf https://www.hikvision.com/etc/clientlibs/it/resources/fonts/OpenSans-Bold.ttf — 65.3 KiB — 22 ms — font-display: swap
OpenSans-Regular.ttf ttf swap
Size 62 KB
Load time 27 ms
Start 1.3 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
OpenSans-SemiBold.ttf ttf swap
Size 65 KB
Load time 44 ms
Start 1.5 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Poppins-Bold.ttf ttf swap
Size 72 KB
Load time 31 ms
Start 1.6 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Poppins-Medium.ttf ttf swap
Size 72 KB
Load time 28 ms
Start 1.6 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
OpenSans-Bold.ttf ttf swap
Size 65 KB
Load time 22 ms
Start 1.6 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)

Fixing the unchecked items could save ~101 KB and ~202 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
Network Waterfall
107 requests over 4773ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 1.7 s LCP 2.5 shttps://hikvision.com// https://hikvision.com/ — 302 — 385 B — 676 ms — http/1.1https://hikvision.com// https://hikvision.com/ — 301 — 348 B — 200 ms — http/1.1https://www.hikvision.com/www.hikvision.com/ https://www.hikvision.com/ — 200 — 421 B — 289 ms — h2https://www.hikvision.com/?C3VK=398851www.hikvision.com/?C3VK=398851 https://www.hikvision.com/?C3VK=398851 — 302 — 228 B — 9 ms — h2https://www.hikvision.com/www.hikvision.com/ https://www.hikvision.com/ — 200 — 312 B — 11 ms — h2https://www.hikvision.com/?C3VK=398851www.hikvision.com/?C3VK=398851 https://www.hikvision.com/?C3VK=398851 — 302 — 677 B — 10 ms — h2http://www.hikvision.com/en/?C3VK=7cc681www.hikvision.com/en/?C3VK=7cc681 http://www.hikvision.com/en/?C3VK=7cc681 — 307 — 0 B — 1 ms — http/1.1https://www.hikvision.com/en/?C3VK=7cc681www.hikvision.com/en/?C3VK=7cc681 https://www.hikvision.com/en/?C3VK=7cc681 — 200 — 70.9 KiB — 34 ms — h2https://www.hikvision.com/etc/clientlibs/it/resources/fonts/OpenSans-Regular.ttfwww.hikvision.com/etc/clientlibs/it... https://www.hikvision.com/etc/clientlibs/it/resources/fonts/OpenSans-Regular.ttf — 200 — 62.0 KiB — 27 ms — h2https://www.hikvision.com/content/dam/hikvision/en/marketing/image/home/company-information/Banner_Where-to-buy.pngwww.hikvision.com/content/dam/hikvi... https://www.hikvision.com/content/dam/hikvision/en/marketing/image/home/company-information/Banner_Where-to-buy.png — 200 — 146.9 KiB — 34 ms — h2https://tag.aticdn.net/piano-analytics.jstag.aticdn.net/piano-analytics.js https://tag.aticdn.net/piano-analytics.js — 200 — 26.6 KiB — 33 ms — h2https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-before.min.c4689a4019bedcad149e65728ed8aeea.jswww.hikvision.com/etc.clientlibs/hi... https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-before.min.c4689a4019bedcad149e65728ed8aeea.js — 200 — 116.5 KiB — 59 ms — h2https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-base.min.244c6d44618e866a77c6033a2c8d8bf7.csswww.hikvision.com/etc.clientlibs/hi... https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-base.min.244c6d44618e866a77c6033a2c8d8bf7.css — 200 — 10.0 KiB — 28 ms — h2https://www.hikvision.com/etc.clientlibs/hiknow/components/structure/home-page/clientlibs/dependencies.min.abcb6202fd3000dbba929d88e3e57a53.csswww.hikvision.com/etc.clientlibs/hi... https://www.hikvision.com/etc.clientlibs/hiknow/components/structure/home-page/clientlibs/dependencies.min.abcb6202fd3000dbba929d88e3e57a53.css — 200 — 46.8 KiB — 36 ms — h2https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-common.min.8f0c941f678087e3350071a8aed87bf3.csswww.hikvision.com/etc.clientlibs/hi... https://www.hikvision.com/etc.clientlibs/hiknow/clientlibs/clientlib-common.min.8f0c941f678087e3350071a8aed87bf3.css — 200 — 87.1 KiB — 56 ms — 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https://googleads.g.doubleclick.net/pagead/viewthroughconversion/811033317/?random=1776894534414&cv=11&fst=1776894534414&bg=ffffff&guid=ON&async=1&en=gtag.config&gtm=45je64k0v899049168z8861001987za20gzb861001987zd861001987xec&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~117266400~117512542&u_w=800&u_h=600&url=https%3A%2F%2Fwww.hikvision.com%2Fen%2F%3FC3VK%3D7cc681&rcb=3&frm=0&tiba=Hikvision%20Global%20-%20Leading%20the%20future%20of%20AIoT&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=1519293345.1776894534&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uamb=0&uam=&uap=macOS&uapv=10.15.7&uaw=0&data=event%3Dgtag.config&rfmt=3&fmt=4 — 200 — 2.2 KiB — 72 ms — h3https://www.google.com/rmkt/collect/811033317/?random=1776894534414&cv=11&fst=1776894534414&fmt=8&bg=ffffff&guid=ON&async=1&en=gtag.config&gtm=45je64k0v899049168z8861001987za20gzb861001987zd861001987xec&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~117266400~117512542&u_w=800&u_h=600&url=https%3A%2F%2Fwww.hikvision.com%2Fen%2F%3FC3VK%3D7cc681&rcb=3&frm=0&tiba=Hikvision%20Global%20-%20Leading%20the%20future%20of%20AIoT&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=1519293345.1776894534&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uamb=0&uam=&uap=macOS&uapv=10.15.7&uaw=0&data=event%3Dgtag.config&gcp=5www.google.com/rmkt/collect/8110333... https://www.google.com/rmkt/collect/811033317/?random=1776894534414&cv=11&fst=1776894534414&fmt=8&bg=ffffff&guid=ON&async=1&en=gtag.config&gtm=45je64k0v899049168z8861001987za20gzb861001987zd861001987xec&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~117266400~117512542&u_w=800&u_h=600&url=https%3A%2F%2Fwww.hikvision.com%2Fen%2F%3FC3VK%3D7cc681&rcb=3&frm=0&tiba=Hikvision%20Global%20-%20Leading%20the%20future%20of%20AIoT&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=1519293345.1776894534&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uamb=0&uam=&uap=macOS&uapv=10.15.7&uaw=0&data=event%3Dgtag.config&gcp=5 — 200 — 20 B — 36 ms — h3https://www.google.com/ccm/collect?rcb=3&frm=0&en=page_view&dl=https%3A%2F%2Fwww.hikvision.com%2Fen%2F&scrsrc=www.googletagmanager.com&rnd=1650790529.1776894534&dt=Hikvision%20Global%20-%20Leading%20the%20future%20of%20AIoT&auid=1519293345.1776894534&navt=n&npa=0&gtm=45je64k0v899049168z8861001987za20gzb861001987zd861001987xec&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~117266400~117512542&apve=1&apvf=f&apvc=0&tids=AW-811033317&tid=AW-811033317&tft=1776894534444&tfd=2573www.google.com/ccm/collect?rcb=3&fr... https://www.google.com/ccm/collect?rcb=3&frm=0&en=page_view&dl=https%3A%2F%2Fwww.hikvision.com%2Fen%2F&scrsrc=www.googletagmanager.com&rnd=1650790529.1776894534&dt=Hikvision%20Global%20-%20Leading%20the%20future%20of%20AIoT&auid=1519293345.1776894534&navt=n&npa=0&gtm=45je64k0v899049168z8861001987za20gzb861001987zd861001987xec&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~117266400~117512542&apve=1&apvf=f&apvc=0&tids=AW-811033317&tid=AW-811033317&tft=1776894534444&tfd=2573 — 200 — 21 B — 43 ms — 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https://www.facebook.com/tr/?id=579708877049878&ev=PageView&dl=https%3A%2F%2Fwww.hikvision.com%2Fen%2F%3FC3VK%3D7cc681&rl=&if=false&ts=1776894534576&sw=800&sh=600&v=2.9.303&r=stable&ec=0&o=12318&fbp=fb.1.1776894534554.57225193651359830&ler=empty&cdl=API_unavailable&pmd[title]=Hikvision%20Global%20-%20Leading%20the%20future%20of%20AIoT&pmd[locale]=en&pmd[keywords]=hikvision&pmd[description]=Hikvision%20provides%20top-of-the-line%20AIoT%20solutions%20and%20reliable%20security%20camera%20systems%20to%20empower%20advanced%20monitoring%20and%20automation%20and%20improve%20security.&plt=768.0999999046326&it=1776894534238&coo=false&expv2[0]=pl0&expv2[1]=el2&expv2[2]=bc1&expv2[3]=ra2&expv2[4]=rp2&expv2[5]=ct3&expv2[6]=hf0&rqm=GET — 200 — 16 B — 19 ms — 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h3https://www.google.com/pagead/1p-user-list/811033317/?random=1776894534414&cv=11&fst=1776891600000&bg=ffffff&guid=ON&async=1&en=gtag.config&gtm=45je64k0v899049168z8861001987za20gzb861001987zd861001987xec&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~117266400~117512542&u_w=800&u_h=600&url=https%3A%2F%2Fwww.hikvision.com%2Fen%2F%3FC3VK%3D7cc681&rcb=3&frm=0&tiba=Hikvision%20Global%20-%20Leading%20the%20future%20of%20AIoT&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=1519293345.1776894534&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uamb=0&uam=&uap=macOS&uapv=10.15.7&uaw=0&data=event%3Dgtag.config&rfmt=3&fmt=3&is_vtc=1&cid=CAQSyAEABaugfcsPw55_2Q8YItd0Oaou3SezYWBXFyKwzCckxRV2HSLheyuEiG-8A7SBoHp9SG4ztdCkD8bj8TmcXIzImVV7S-SMMp5e7bDcHq608vO5yL3NWSmOCu3rSJA-QisBFfwDofGvGQJd5nS5Ey2XZCUXmgd9JZVlGr6B5_My74eeaYGvqbNdvageizkPZMoq0jmC4uXwDBgy2wJVG8a5nfjjRObpsznOLpt5hw7TD6SuT8KixAuS9urvUFjFVLrq6n2Rq8adVg&random=966460492&rmt_tld=0&ipr=ywww.google.com/pagead/1p-user-list/... https://www.google.com/pagead/1p-user-list/811033317/?random=1776894534414&cv=11&fst=1776891600000&bg=ffffff&guid=ON&async=1&en=gtag.config&gtm=45je64k0v899049168z8861001987za20gzb861001987zd861001987xec&gcd=13l3l3l3l1l1&dma=0&tag_exp=0~115938465~115938469~117266400~117512542&u_w=800&u_h=600&url=https%3A%2F%2Fwww.hikvision.com%2Fen%2F%3FC3VK%3D7cc681&rcb=3&frm=0&tiba=Hikvision%20Global%20-%20Leading%20the%20future%20of%20AIoT&hn=www.googleadservices.com&npa=0&pscdl=noapi&auid=1519293345.1776894534&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uamb=0&uam=&uap=macOS&uapv=10.15.7&uaw=0&data=event%3Dgtag.config&rfmt=3&fmt=3&is_vtc=1&cid=CAQSyAEABaugfcsPw55_2Q8YItd0Oaou3SezYWBXFyKwzCckxRV2HSLheyuEiG-8A7SBoHp9SG4ztdCkD8bj8TmcXIzImVV7S-SMMp5e7bDcHq608vO5yL3NWSmOCu3rSJA-QisBFfwDofGvGQJd5nS5Ey2XZCUXmgd9JZVlGr6B5_My74eeaYGvqbNdvageizkPZMoq0jmC4uXwDBgy2wJVG8a5nfjjRObpsznOLpt5hw7TD6SuT8KixAuS9urvUFjFVLrq6n2Rq8adVg&random=966460492&rmt_tld=0&ipr=y — 200 — 64 B — 29 ms — h3https://www.hikvision.com/content/hikvision/en/jcr:content/gdpr.footer.jsonwww.hikvision.com/content/hikvision... https://www.hikvision.com/content/hikvision/en/jcr:content/gdpr.footer.json — 200 — 966 B — 14 ms — h2https://www.hikvision.com/content/hikvision/en/jcr:content/gdpr.location.json?q=9721d2eb-c705-43ab-8082-b66b67969dbd&path=/content/hikvision/en.htmlwww.hikvision.com/content/hikvision... https://www.hikvision.com/content/hikvision/en/jcr:content/gdpr.location.json?q=9721d2eb-c705-43ab-8082-b66b67969dbd&path=/content/hikvision/en.html — 200 — 916 B — 479 ms — h2https://www.hikvision.com/content/dam/hikvision/en/marketing/icons/hikvision-favicon.icowww.hikvision.com/content/dam/hikvi... https://www.hikvision.com/content/dam/hikvision/en/marketing/icons/hikvision-favicon.ico — 200 — 1011 B — 15 ms — h2https://www.googletagmanager.com/ns.html?id=GTM-MSGBK2Hwww.googletagmanager.com/ns.html?id... https://www.googletagmanager.com/ns.html?id=GTM-MSGBK2H — 200 — 437 B — 35 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 3265ms · 677KB · ¥403/mo
www.hikvision.com
Other
Costly
Execution 1823ms
Transfer 39 KB
Unused 61%
Monthly Cost ¥225/mo
www.hikvision.com
Other
Costly
Execution 454ms
Transfer 71 KB
Monthly Cost ¥56/mo
Unattributable
Other
Costly
Execution 306ms
Transfer 0 KB
Monthly Cost ¥38/mo
www.hikvision.com
Other
Optional
Execution 186ms
Transfer 41 KB
Monthly Cost ¥23/mo
Google Tag Manager
Tag Manager
Optional
Execution 185ms
Transfer 178 KB
Unused 30%
Monthly Cost ¥23/mo
Google Tag Manager
Tag Manager
Optional
Execution 110ms
Transfer 150 KB
Unused 42%
Monthly Cost ¥14/mo
Facebook Pixel
Advertising
Optional
Execution 93ms
Transfer 45 KB
Monthly Cost ¥11/mo
Hotjar
Session Replay
Optional
Execution 57ms
Transfer 57 KB
Unused 67%
Monthly Cost ¥7/mo
Facebook Pixel
Advertising
Optional
Execution 52ms
Transfer 97 KB
Unused 35%
Monthly Cost ¥6/mo

These scripts may cost more than they're worth

  • www.hikvision.com adds 1823ms and costs ~¥225/month
  • www.hikvision.com adds 454ms and costs ~¥56/month
  • Unattributable adds 306ms and costs ~¥38/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.hikvision.com takes 1823ms 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

61% of www.hikvision.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.hikvision.com takes 454ms 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 306ms 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 Hotjar'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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