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https://www.paloaltonetworks.com

Performance

· 16 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
80
GRADE
B
FIX
3
REVIEW
4
PASS
7
INFO
2

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

Mobile Desktop
56
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
99
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.
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.

2.40 s

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

6.52 s

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

666 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.

4.04 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.

10.32 s

Page Load Progression

707 ms
1.4 s
2.1 s
2.8 s
3.5 s
4.2 s
4.9 s
5.7 s
Checks
16
7 PASS 4 REVIEW 3 FIX
F
Page Weight Budget
Action
2.7 MB transferred, 100 requests
FIX
2.7 MB transferred, 100 requests
Warning::
Page weighs 6.5 MB (2.7 MB transferred)
Info::
100 HTTP requests
Info::
Estimated 0.57 g CO2 per page load
2.7 MB / 2.4 MB budget
2.7 MB transferred
100 requests
0.57 g CO2 per page load
Other 944.5 KiB 34%
Other 746.3 KiB 27%
JavaScript 482.0 KiB 17%
Images 306.1 KiB 11%
HTML 117.8 KiB 4%
Fonts 110.7 KiB 4%
Other 40.2 KiB 1%
CSS 37.0 KiB 1%
Other 987 B 0%
Other 232 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Over budget
F
JS Execution Cost
Action
5209ms total JS execution
FIX
5209ms total JS execution
Warning::
https://www.paloaltonetworks.com/: 1553ms CPU time
Warning::
https://www.paloaltonetworks.com/etc/clientlibs/cl...: 1354ms CPU time
Warning::
Unattributable: 903ms CPU time
Warning::
https://s.go-mpulse.net/boomerang/6KU9W-5DTLL-AXSJ...: 801ms CPU time
Warning::
https://assets.adobedtm.com/9273d4aedcd2/0d76ae032...: 330ms CPU time
Info::
Third-party scripts: 2035ms (39% of total)

Main Thread Breakdown

Script Evaluation 34% Other 31% Style & Layout 20% Rendering 8% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://www.paloaltonetworks.com/1553ms128ms40ms1st
https://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/video-js/video-js-bc.js1354ms982ms80ms1st
Unattributable903ms10ms0ms3rd
https://s.go-mpulse.net/boomerang/6KU9W-5DTLL-AXSJY-VNWUZ-RTS7Q801ms213ms24ms3rd
https://assets.adobedtm.com/9273d4aedcd2/0d76ae0322d7/launch-425c423d843b.min.js330ms214ms84ms3rd
https://www.paloaltonetworks.com/etc/clientlibs/panClean/components/library/bundle.ddynamicAllComponents.poperlityybscolpancsdgldrbsdrobstabdaibcdaihedancnddcbgddctcddehtddepgddlkhddybadfsvcdhhttdhomcdhppbdhpptdhppvdhpscdhpstdhptcdhsacdmftcdddmn.min.0060c30a09178f03e9ab3c2e6270fde6.js267ms166ms14ms1st
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: max-age=0, no-cache, no-store
Info::
Last-Modified header present
Cache-Control

max-age=0, no-cache, no-store

DirectiveValueMeaning
max-age0Cache for 0 seconds
no-cache—Cache but always revalidate first
no-store—Never cache this response
B
Third-Party Impact
40% third-party, 0 ms blocking
REVIEW
40% third-party, 0 ms blocking
Info::
Third-party code accounts for 40% of page weight (1.1 MiB of 2.7 MiB)
Info::
Third-party blocking time is low (0 ms)
60%
40%
First-party Third-party
B
Image Optimization
47 images, 0 KB saveable
REVIEW
47 images, 0 KB saveable
Info::
All images are well-optimized
47 images 306 KB
0 oversized -0 KB
35 legacy format
0 missing dimensions CLS risk
C
JS Bundles
Action
16 scripts, 192 KB unused
REVIEW
16 scripts, 192 KB unused
Warning::
https://www.paloaltonetworks.com/etc/clientlibs/cl...: 95 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://assets.adobedtm.com/9273d4aedcd2/0d76ae032...: 52 KB unused (38%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.paloaltonetworks.com/etc/clientlibs/pa...: 24 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://s.go-mpulse.net/boomerang/6KU9W-5DTLL-AXSJ...: 22 KB unused (38%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 192 KB
192 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/video-js/video-js-bc.js223 KB95 KB (43%)✓1st
https://assets.adobedtm.com/9273d4aedcd2/0d76ae0322d7/launch-425c423d843b.min.js136 KB52 KB (38%)✓3rd
https://www.paloaltonetworks.com/etc/clientlibs/panClean/components/library/bundle.ddynamicAllComponents.poperlityybscolpancsdgldrbsdrobstabdaibcdaihedancnddcbgddctcddehtddepgddlkhddybadfsvcdhhttdhomcdhppbdhpptdhppvdhpscdhpstdhptcdhsacdmftcdddmn.min.0060c30a09178f03e9ab3c2e6270fde6.js36 KB24 KB (67%)✓1st
https://s.go-mpulse.net/boomerang/6KU9W-5DTLL-AXSJY-VNWUZ-RTS7Q58 KB22 KB (38%)✓3rd
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js0 KB—✓3rd
https://www.paloaltonetworks.com/apps/pan/public/userHeaderModel1 KB—✓1st
https://assets.adobedtm.com/extensions/EP31dbb9c60e404ba1aa6e746d49be6f29/AppMeasurement.min.js13 KB—✓3rd
https://assets.adobedtm.com/extensions/EP31dbb9c60e404ba1aa6e746d49be6f29/AppMeasurement_Module_ActivityMap.min.js2 KB—✓3rd
https://www.paloaltonetworks.com/etc/clientlibs/pan/js/lazyload.min.js6 KB—✓1st
https://sstats.paloaltonetworks.com/id?d_visid_ver=5.5.0&d_fieldgroup=MC&mcorgid=9A531C8B532965080A490D4D%40AdobeOrg&ts=17755946038581 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

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
6 fonts (111 KB)
PASS
6 fonts (111 KB)
Info::
6 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

6

111 KB total

Render-blocking

0

of 6

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 2.4 s LCP 6.5 shttps://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/ffceleste/CelestePro-Book_optimized.woff2CelestePro-Book_optimiz... https://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/ffceleste/CelestePro-Book_optimized.woff2 — 19.9 KiB — 0 ms — font-display: swaphttps://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-Regular_optimized.woff2TTHoves-Regular_optimiz... https://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-Regular_optimized.woff2 — 17.6 KiB — 0 ms — font-display: swaphttps://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-DemiBold_optimized.woff2TTHoves-DemiBold_optimi... https://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-DemiBold_optimized.woff2 — 18.0 KiB — 0 ms — font-display: swaphttps://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-Medium_optimized.woff2TTHoves-Medium_optimize... https://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-Medium_optimized.woff2 — 18.3 KiB — 0 ms — font-display: swaphttps://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-Bold_optimized.woff2TTHoves-Bold_optimized.... https://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-Bold_optimized.woff2 — 18.4 KiB — 0 ms — font-display: swaphttps://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-Light_optimized.woff2TTHoves-Light_optimized... https://www.paloaltonetworks.com/etc/clientlibs/clean/dependencies/fonts/tthoves/TTHoves-Light_optimized.woff2 — 18.4 KiB — 0 ms — font-display: swap
CelestePro-Book_optimiz... woff2 swap
Size 20 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
TTHoves-Regular_optimiz... woff2 swap
Size 18 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
TTHoves-DemiBold_optimi... woff2 swap
Size 18 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
TTHoves-Medium_optimize... woff2 swap
Size 18 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
TTHoves-Bold_optimized.... woff2 swap
Size 18 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
TTHoves-Light_optimized... woff2 swap
Size 18 KB
Load time 0 ms
Start 0 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
1 hints, 0 missing preconnects
PASS
1 hints, 0 missing preconnects
Info::
Page uses 1 resource hint(s)

Current Resource Hints

preconnect
—
preload
1
dns-prefetch
—
prefetch
—

1 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
100 requests over 0ms
INFO

Performance analysis not available for this result.

Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
39% of JavaScript execution is third-party
First-party Third-party 2035ms · 194KB · $27/mo
Unattributable
Other
Costly
Execution 903ms
Transfer 0 KB
Monthly Cost $12/mo
s.go-mpulse.net
Other
Costly
Execution 801ms
Transfer 58 KB
Unused 38%
Monthly Cost $11/mo
assets.adobedtm.com
Other
Costly
Execution 330ms
Transfer 136 KB
Unused 38%
Monthly Cost $4/mo

These scripts may cost more than they're worth

  • Unattributable adds 903ms and costs ~$12/month
  • s.go-mpulse.net adds 801ms and costs ~$11/month
  • assets.adobedtm.com adds 330ms and costs ~$4/month

Unattributable takes 903ms 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 801ms 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

assets.adobedtm.com takes 330ms 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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