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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
67
GRADE
D
FIX
6
REVIEW
2
PASS
7
INFO
2

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

Mobile Desktop
35
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
94
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.

5.40 s

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

6.06 s

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

2.04 s

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

0.011

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

6.51 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.

23.32 s

Page Load Progression

405 ms
811 ms
1.2 s
1.6 s
2.0 s
2.4 s
2.8 s
3.2 s
Checks
17
7 PASS 2 REVIEW 6 FIX
F
Page Weight Budget
Action
4.4 MB transferred, 108 requests
FIX
4.4 MB transferred, 108 requests
Critical::
Page weighs 9.2 MB (4.4 MB transferred)
Warning::
Images are 2.8 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 2.8 MB
Warning::
JavaScript is 1.2 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.2 MB
Warning::
108 HTTP requests — consider bundling or reducing
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
Info::
Estimated 0.92 g CO2 per page load
4.4 MB / 2.4 MB budget
4.4 MB transferred
108 requests
0.92 g CO2 per page load
Images 2.8 MiB 64%
JavaScript 1.2 MiB 28%
CSS 178.2 KiB 4%
Fonts 95.6 KiB 2%
Other 42.3 KiB 1%
HTML 31.7 KiB 1%
Other 13.2 KiB 0%
Other 7.3 KiB 0%
Other 224 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

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 (4.4 MiB of 4.4 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
8225ms total JS execution
FIX
8225ms total JS execution
Warning::
https://www.cisco.com/: 2203ms CPU time
Warning::
https://virtualconcierge.cisco.com/widgets/cisco-c...: 1329ms CPU time
Warning::
Unattributable: 1176ms CPU time
Warning::
https://www.cisco.com/etc/cloudsettings.kernel.js/...: 909ms CPU time
Warning::
https://cdn.cookielaw.org/scripttemplates/202601.1...: 678ms CPU time
Warning::
Third-party scripts: 8225ms (100% of total)

Main Thread Breakdown

Script Evaluation 40% Other 28% Style & Layout 17% Script Parsing & Compilation 5% Parse HTML & CSS 5% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://www.cisco.com/2203ms115ms48ms3rd
https://virtualconcierge.cisco.com/widgets/cisco-chat-widget.js1329ms911ms19ms3rd
Unattributable1176ms118ms0ms3rd
https://www.cisco.com/etc/cloudsettings.kernel.js/conf/ciscoreimagine/settings/cloudsettings/default/contexthub909ms448ms59ms3rd
https://cdn.cookielaw.org/scripttemplates/202601.1.0/otBannerSdk.js678ms386ms94ms3rd
https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-homepage.lc-ae745775dc717a394841b3189a55e9ac-lc.min.js575ms257ms41ms3rd
https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-ancillary.js304ms267ms1ms3rd
https://s.go-mpulse.net/boomerang/GKZXC-NS3SU-A7VFH-HKBHM-U7LKH282ms102ms31ms3rd
https://tags.tiqcdn.com/utag/cisco/home/prod/utag.js247ms177ms64ms3rd
https://www.cisco.com/c/dam/cdc/t/ctm.js160ms145ms14ms3rd

Showing top 10 of 15 scripts

F
JS Bundles
Action
34 scripts, 694 KB unused
FIX
34 scripts, 694 KB unused
Warning::
https://virtualconcierge.cisco.com/widgets/cisco-c...: 485 KB unused (76%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.cookielaw.org/scripttemplates/202601.1...: 67 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.cisco.com/etc/cloudsettings.kernel.js/...: 45 KB unused (49%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.cisco.com/etc.clientlibs/cisco-cdc/cli...: 42 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://tags.tiqcdn.com/utag/cisco/home/prod/utag....: 31 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 694 KB
694 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://virtualconcierge.cisco.com/widgets/cisco-chat-widget.js643 KB485 KB (76%)✓3rd
https://cdn.cookielaw.org/scripttemplates/202601.1.0/otBannerSdk.js127 KB67 KB (53%)✓3rd
https://www.cisco.com/etc/cloudsettings.kernel.js/conf/ciscoreimagine/settings/cloudsettings/default/contexthub93 KB45 KB (49%)✓3rd
https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-homepage.lc-ae745775dc717a394841b3189a55e9ac-lc.min.js64 KB42 KB (67%)✓3rd
https://tags.tiqcdn.com/utag/cisco/home/prod/utag.js76 KB31 KB (41%)✓3rd
https://s.go-mpulse.net/boomerang/GKZXC-NS3SU-A7VFH-HKBHM-U7LKH57 KB24 KB (41%)✓3rd
https://www.cisco.com/etc.clientlibs/foundation/clientlibs/shared.sc-41f79c8a45bb1766981ec4ca82d7e0e6-1757052000-sc.min.js7 KB—✓3rd
https://www.cisco.com/content/experience-fragments/cdc/site/us/en/header/header---support.js7 KB—✓3rd
https://rum.hlx.page/.rum/@adobe/helix-rum-js@%5E2/dist/micro.js1 KB—✓3rd
https://www.cisco.com/etc.clientlibs/clientlibs/granite/jquery.sc-7842899024219bcbdb5e72c946870b79-1757052000-sc.min.js36 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
108 resources · 4.4 MB · 694 KB savings available
FIX
108 resources · 4.4 MB · 694 KB savings available
Warning::
Page weight 3.4 MB over 1MB target
Got: 4.4 MB Expected: ≤ 1 MB
Info::
~694 KB of savings available
Warning::
107 third-party resources (100% of weight)
Info::
6 resources over 200KB
108 resources · 4.4 MiB · 107 third-party 3.4 MiB over 1MB target
Image 64% · 2.8 MiB
JavaScript 28% · 1.2 MiB
CSS 4% · 184.5 KiB
Font 2% · 95.6 KiB
Other 1% · 48.3 KiB
Document 1% · 33.6 KiB

~693.8 KiB of savings available

Remove unused JavaScript: 693.8 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.cisco.com/content/dam/cisco-cdc/site/c... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.cisco.com/content/dam/cisco-cdc/site/c... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.cisco.com/content/dam/cisco-cdc/site/c... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.cisco.com/content/dam/cisco-cdc/site/c... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.cisco.com/content/dam/cisco-cdc/site/i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.cisco.com/content/dam/cisco-cdc/site/c... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
44 images 2.8 MB
0 oversized -0 KB
24 legacy format
6 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

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 (96 KB)
PASS
2 fonts (96 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

96 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 6.0 s FCP 5.4 s LCP 6.1 shttps://fonts.gstatic.com/s/inter/v20/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7W0Q5nw.woff2UcC73FwrK3iLTeHuS_nVMrM... https://fonts.gstatic.com/s/inter/v20/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7W0Q5nw.woff2 — 47.3 KiB — 9 ms — font-display: swaphttps://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-framework/resources/fonts/inter-latin-variable.woff2inter-latin-variable.woff2 https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-framework/resources/fonts/inter-latin-variable.woff2 — 48.3 KiB — 15 ms — font-display: swap
UcC73FwrK3iLTeHuS_nVMrM... woff2 swap
Size 47 KB
Load time 9 ms
Start 935 ms
Risk FOUT — text flashes from fallback to web font
inter-latin-variable.woff2 woff2 swap
Size 48 KB
Load time 15 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
9 hints, 0 missing preconnects
PASS
9 hints, 0 missing preconnects
Info::
Page uses 9 resource hint(s)

Current Resource Hints

preconnect
5
preload
1
dns-prefetch
3
prefetch
—

9 resource hints configured

A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
Network Waterfall
108 requests over 2830ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s FCP 5.4 s LCP 6.1 shttps://cisco.com// https://cisco.com/ — 302 — 75 B — 388 ms — http/1.1https://www.cisco.com/www.cisco.com/ https://www.cisco.com/ — 200 — 31.7 KiB — 30 ms — h2https://rum.hlx.page/.rum/@adobe/helix-rum-js@%5E2/dist/micro.jsrum.hlx.page/.rum/@adobe/helix-rum-... https://rum.hlx.page/.rum/@adobe/helix-rum-js@%5E2/dist/micro.js — 200 — 1.1 KiB — 72 ms — h2https://www.cisco.com/c/dam/cdc/t/ctm-core.jswww.cisco.com/c/dam/cdc/t/ctm-core.... https://www.cisco.com/c/dam/cdc/t/ctm-core.js — 200 — 12.2 KiB — 64 ms — h2https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-bullseye.lc-9991d305f087dfcda4af699ecb028bf6-lc.min.jswww.cisco.com/etc.clientlibs/cisco-... https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-bullseye.lc-9991d305f087dfcda4af699ecb028bf6-lc.min.js — 200 — 7.9 KiB — 66 ms — h2https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-dependencies.lc-a2109ad53af6d357ad877dac6e7ae4fb-lc.min.csswww.cisco.com/etc.clientlibs/cisco-... https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-dependencies.lc-a2109ad53af6d357ad877dac6e7ae4fb-lc.min.css — 200 — 63.3 KiB — 54 ms — h2https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-dependencies.lc-0c88cdcf7f4e6e25665417a58577120c-lc.min.jswww.cisco.com/etc.clientlibs/cisco-... https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-dependencies.lc-0c88cdcf7f4e6e25665417a58577120c-lc.min.js — 200 — 10.7 KiB — 73 ms — h2https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-base.lc-08379cd967f4591e03a81725e4f3c9df-lc.min.csswww.cisco.com/etc.clientlibs/cisco-... https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-base.lc-08379cd967f4591e03a81725e4f3c9df-lc.min.css — 200 — 10.2 KiB — 24 ms — h2https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-homepage.lc-e76ceb74d50acbdb122ff637b1fd218f-lc.min.csswww.cisco.com/etc.clientlibs/cisco-... https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-homepage.lc-e76ceb74d50acbdb122ff637b1fd218f-lc.min.css — 200 — 103.5 KiB — 76 ms — h2https://www.cisco.com/etc/cloudsettings.kernel.js/conf/ciscoreimagine/settings/cloudsettings/default/contexthubwww.cisco.com/etc/cloudsettings.ker... https://www.cisco.com/etc/cloudsettings.kernel.js/conf/ciscoreimagine/settings/cloudsettings/default/contexthub — 200 — 92.6 KiB — 98 ms — h2https://www.cisco.com/etc.clientlibs/clientlibs/granite/jquery.lc-7842899024219bcbdb5e72c946870b79-lc.min.jswww.cisco.com/etc.clientlibs/client... https://www.cisco.com/etc.clientlibs/clientlibs/granite/jquery.lc-7842899024219bcbdb5e72c946870b79-lc.min.js — 302 — 1.0 KiB — 97 ms — h2https://www.cisco.com/etc.clientlibs/clientlibs/granite/utils.lc-e7bf340a353e643d198b25d0c8ccce47-lc.min.jswww.cisco.com/etc.clientlibs/client... https://www.cisco.com/etc.clientlibs/clientlibs/granite/utils.lc-e7bf340a353e643d198b25d0c8ccce47-lc.min.js — 302 — 1.0 KiB — 35 ms — h2https://www.cisco.com/etc.clientlibs/clientlibs/granite/jquery/granite.lc-543d214c88dfa6f4a3233b630c82d875-lc.min.jswww.cisco.com/etc.clientlibs/client... https://www.cisco.com/etc.clientlibs/clientlibs/granite/jquery/granite.lc-543d214c88dfa6f4a3233b630c82d875-lc.min.js — 302 — 1.1 KiB — 36 ms — h2https://www.cisco.com/etc.clientlibs/foundation/clientlibs/jquery.lc-dd9b395c741ce2784096e26619e14910-lc.min.jswww.cisco.com/etc.clientlibs/founda... https://www.cisco.com/etc.clientlibs/foundation/clientlibs/jquery.lc-dd9b395c741ce2784096e26619e14910-lc.min.js — 200 — 1.2 KiB — 34 ms — h2https://www.cisco.com/etc.clientlibs/foundation/clientlibs/shared.lc-41f79c8a45bb1766981ec4ca82d7e0e6-lc.min.jswww.cisco.com/etc.clientlibs/founda... https://www.cisco.com/etc.clientlibs/foundation/clientlibs/shared.lc-41f79c8a45bb1766981ec4ca82d7e0e6-lc.min.js — 302 — 1.0 KiB — 36 ms — h2https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swapfonts.googleapis.com/css2?family=In... https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap — 200 — 1.2 KiB — 50 ms — h2https://www.cisco.com/content/dam/cisco-cdc/site/images/heroes/homepage/2026/cisco-live-ciscolive-2026-900x506.jpgwww.cisco.com/content/dam/cisco-cdc... https://www.cisco.com/content/dam/cisco-cdc/site/images/heroes/homepage/2026/cisco-live-ciscolive-2026-900x506.jpg — 200 — 42.8 KiB — 75 ms — h2https://www.cisco.com/content/dam/cisco-cdc/site/core/one-off/homepage-prototype/assets/united-airlines-logo-white.svgwww.cisco.com/content/dam/cisco-cdc... https://www.cisco.com/content/dam/cisco-cdc/site/core/one-off/homepage-prototype/assets/united-airlines-logo-white.svg — 200 — 4.1 KiB — 27 ms — h2https://www.cisco.com/content/dam/cisco-cdc/site/core/one-off/homepage-prototype/assets/mclaren-logo-white.svgwww.cisco.com/content/dam/cisco-cdc... https://www.cisco.com/content/dam/cisco-cdc/site/core/one-off/homepage-prototype/assets/mclaren-logo-white.svg — 200 — 4.7 KiB — 55 ms — h2https://www.cisco.com/etc.clientlibs/clientlibs/granite/utils.sc-e7bf340a353e643d198b25d0c8ccce47-1752850000-sc.min.jswww.cisco.com/etc.clientlibs/client... https://www.cisco.com/etc.clientlibs/clientlibs/granite/utils.sc-e7bf340a353e643d198b25d0c8ccce47-1752850000-sc.min.js — 200 — 4.4 KiB — 40 ms — h2https://www.cisco.com/etc.clientlibs/clientlibs/granite/jquery/granite.sc-543d214c88dfa6f4a3233b630c82d875-1752850000-sc.min.jswww.cisco.com/etc.clientlibs/client... https://www.cisco.com/etc.clientlibs/clientlibs/granite/jquery/granite.sc-543d214c88dfa6f4a3233b630c82d875-1752850000-sc.min.js — 200 — 2.7 KiB — 43 ms — h2https://www.cisco.com/etc.clientlibs/foundation/clientlibs/shared.sc-41f79c8a45bb1766981ec4ca82d7e0e6-1757052000-sc.min.jswww.cisco.com/etc.clientlibs/founda... https://www.cisco.com/etc.clientlibs/foundation/clientlibs/shared.sc-41f79c8a45bb1766981ec4ca82d7e0e6-1757052000-sc.min.js — 200 — 7.2 KiB — 46 ms — h2https://www.cisco.com/content/dam/cisco-cdc/site/core/one-off/homepage-prototype/assets/carnival-logo-white.svgwww.cisco.com/content/dam/cisco-cdc... https://www.cisco.com/content/dam/cisco-cdc/site/core/one-off/homepage-prototype/assets/carnival-logo-white.svg — 200 — 2.5 KiB — 20 ms — h2https://www.cisco.com/etc.clientlibs/clientlibs/granite/jquery.sc-7842899024219bcbdb5e72c946870b79-1757052000-sc.min.jswww.cisco.com/etc.clientlibs/client... 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h2https://www.cisco.com/content/experience-fragments/cdc/site/us/en/header/header---partners-dropdown.jswww.cisco.com/content/experience-fr... https://www.cisco.com/content/experience-fragments/cdc/site/us/en/header/header---partners-dropdown.js — 200 — 2.1 KiB — 40 ms — h2https://www.cisco.com/content/experience-fragments/cdc/site/us/en/header/header---lang-dropdown.jswww.cisco.com/content/experience-fr... https://www.cisco.com/content/experience-fragments/cdc/site/us/en/header/header---lang-dropdown.js — 200 — 7.1 KiB — 54 ms — h2https://www.cisco.com/content/experience-fragments/cdc/site/us/en/header/header---login-dropdown.jswww.cisco.com/content/experience-fr... https://www.cisco.com/content/experience-fragments/cdc/site/us/en/header/header---login-dropdown.js — 200 — 2.7 KiB — 50 ms — h2https://www.cisco.com/content/experience-fragments/cdc/site/us/en/header/header---search-dropdown.jswww.cisco.com/content/experience-fr... 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200 — 3.6 KiB — 10 ms — h2https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-framework/resources/ancillary/user-info/user-info.lgc-8b8e747f-lgc.jswww.cisco.com/etc.clientlibs/cisco-... https://www.cisco.com/etc.clientlibs/cisco-cdc/clientlibs/clientlib-framework/resources/ancillary/user-info/user-info.lgc-8b8e747f-lgc.js — 200 — 4.7 KiB — 16 ms — h2https://www.cisco.com/content/dam/cisco-cdc/site/framework/js/user-info/ServicesUrls.jswww.cisco.com/content/dam/cisco-cdc... https://www.cisco.com/content/dam/cisco-cdc/site/framework/js/user-info/ServicesUrls.js — 200 — 1.7 KiB — 16 ms — h2https://www.cisco.com/content/experience-fragments/cdc/site/us/en/homepage/2026-quick-links-homepage-targetable/master/_jcr_content/root/experiencefragment.default.htmlwww.cisco.com/content/experience-fr... https://www.cisco.com/content/experience-fragments/cdc/site/us/en/homepage/2026-quick-links-homepage-targetable/master/_jcr_content/root/experiencefragment.default.html — 200 — 1.9 KiB — 24 ms — h2https://cdn.cookielaw.org/consent/23bf898e-0ec5-40f7-9f8e-1d55fadea7c9/23bf898e-0ec5-40f7-9f8e-1d55fadea7c9.jsoncdn.cookielaw.org/consent/23bf898e-... https://cdn.cookielaw.org/consent/23bf898e-0ec5-40f7-9f8e-1d55fadea7c9/23bf898e-0ec5-40f7-9f8e-1d55fadea7c9.json — 200 — 2.8 KiB — 34 ms — h2https://geolocation.onetrust.com/cookieconsentpub/v1/geo/locationgeolocation.onetrust.com/cookiecons... https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location — 200 — 309 B — 95 ms — h2https://www.cisco.com/favicon.icowww.cisco.com/favicon.ico https://www.cisco.com/favicon.ico — 200 — 2.5 KiB — 139 ms — 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http/1.1https://auecfsaccbvcc2pbdexq-pkwh5e-ec81a6dab-clientnsv4-s.akamaihd.net/eum/results.txtauecfsaccbvcc2pbdexq-pkwh5e-ec81a6d... https://auecfsaccbvcc2pbdexq-pkwh5e-ec81a6dab-clientnsv4-s.akamaihd.net/eum/results.txt — 200 — 312 B — 51 ms — http/1.1https://fibzbqaacual4kqce3ybdaaaofu6cgjp-pkwh5e-29ed3d061-clienttons-s.akamaihd.net/eum/results.txtfibzbqaacual4kqce3ybdaaaofu6cgjp-pk... https://fibzbqaacual4kqce3ybdaaaofu6cgjp-pkwh5e-29ed3d061-clienttons-s.akamaihd.net/eum/results.txt — 200 — 312 B — 27 ms — http/1.1https://tags.tiqcdn.com/utag/tiqapp/utag.v.js?a=cisco/home/202604091418&cb=1776359727746tags.tiqcdn.com/utag/tiqapp/utag.v.... https://tags.tiqcdn.com/utag/tiqapp/utag.v.js?a=cisco/home/202604091418&cb=1776359727746 — 200 — 432 B — 6 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 8225ms · 1180KB · $109/mo
www.cisco.com
Other
Costly
Execution 2203ms
Transfer 32 KB
Monthly Cost $29/mo
virtualconcierge.cisco.com
Other
Costly
Execution 1329ms
Transfer 643 KB
Unused 76%
Monthly Cost $18/mo
Unattributable
Other
Costly
Execution 1176ms
Transfer 0 KB
Monthly Cost $16/mo
www.cisco.com
Other
Costly
Execution 909ms
Transfer 93 KB
Unused 49%
Monthly Cost $12/mo
OneTrust
Consent
Essential
Execution 678ms
Transfer 127 KB
Unused 53%
Monthly Cost $9/mo
www.cisco.com
Other
Costly
Execution 575ms
Transfer 64 KB
Unused 67%
Monthly Cost $8/mo
www.cisco.com
Other
Costly
Execution 304ms
Transfer 2 KB
Monthly Cost $4/mo
s.go-mpulse.net
Other
Costly
Execution 282ms
Transfer 57 KB
Unused 41%
Monthly Cost $4/mo
tags.tiqcdn.com
Other
Costly
Execution 247ms
Transfer 76 KB
Unused 41%
Monthly Cost $3/mo
www.cisco.com
Other
Optional
Execution 160ms
Transfer 24 KB
Monthly Cost $2/mo
www.cisco.com
Other
Optional
Execution 109ms
Transfer 22 KB
Monthly Cost $1/mo
www.cisco.com
Other
Optional
Execution 77ms
Transfer 11 KB
Monthly Cost $1/mo
OneTrust
Consent
Essential
Execution 66ms
Transfer 9 KB
Monthly Cost $1/mo
www.cisco.com
Other
Optional
Execution 54ms
Transfer 8 KB
Monthly Cost $1/mo
www.cisco.com
Other
Optional
Execution 53ms
Transfer 12 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • www.cisco.com adds 2203ms and costs ~$29/month
  • virtualconcierge.cisco.com adds 1329ms and costs ~$18/month
  • Unattributable adds 1176ms and costs ~$16/month
  • www.cisco.com adds 909ms and costs ~$12/month
  • www.cisco.com adds 575ms and costs ~$8/month
  • www.cisco.com adds 304ms and costs ~$4/month
  • s.go-mpulse.net adds 282ms and costs ~$4/month
  • tags.tiqcdn.com adds 247ms 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

www.cisco.com takes 2203ms 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

virtualconcierge.cisco.com takes 1329ms 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

76% of virtualconcierge.cisco.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

Unattributable takes 1176ms 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.cisco.com takes 909ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

53% of OneTrust's code is unused. The script may be loading features you don't use.

Why this matters

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

Source: web.dev

www.cisco.com takes 575ms 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.cisco.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.cisco.com takes 304ms 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

s.go-mpulse.net takes 282ms 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

tags.tiqcdn.com takes 247ms 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

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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