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Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
80
GRADE
B
FIX
1
REVIEW
4
PASS
7
INFO
2

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

Mobile Desktop
94
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.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
69
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.

509 ms

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

1.09 s

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

80 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.

2.06 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.

2.17 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
14
7 PASS 4 REVIEW 1 FIX
F
JS Bundles
Action
18 scripts, 621 KB unused
FIX
18 scripts, 621 KB unused
Warning::
https://www.linode.com/etc.clientlibs/linode/clien...: 216 KB unused (59%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.linode.com/etc.clientlibs/akamai/clien...: 159 KB unused (84%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.linode.com/ns/ot/202508.2.0/prod/scrip...: 63 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.linode.com/ZNty3M/f7U/JQW/2JAAnRfy/5mX...: 39 KB unused (22%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://content.linode.com/xdmhmPI8aK0sMJjxlmxI_cI...: 39 KB unused (21%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 621 KB
621 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.linode.com/etc.clientlibs/linode/clientlibs/clientlib-site.min.3168b22dfea3a1f8198bf6f89005ad12.js364 KB216 KB (59%)✓1st
https://www.linode.com/etc.clientlibs/akamai/clientlibs/clientlib-amp.v1.js189 KB159 KB (84%)✓1st
https://www.linode.com/ns/ot/202508.2.0/prod/scripttemplates/202508.2.0/otBannerSdk.js121 KB63 KB (53%)✓1st
https://www.linode.com/ZNty3M/f7U/JQW/2JAAnRfy/5mX3LXzmOYGVQhN7/CjgEQVEoKw8/YFgQ/aHVGHToB182 KB39 KB (22%)✓1st
https://content.linode.com/xdmhmPI8aK0sMJjxlmxI_cIuEXw/YkimhfbNNwXcpLam/TisvAQ/RxluBC5/dECkB182 KB39 KB (21%)✓3rd
https://assets.adobedtm.com/fcfd3580c848/f9e7661907ee/launch-2fb69de42220.min.js86 KB38 KB (44%)✓3rd
https://content.linode.com/js/forms2/js/forms2.min.js0 KB34 KB (51%)✓3rd
https://content.linode.com/js/forms2/js/forms2.min.js67 KB34 KB (51%)✓3rd
https://www.linode.com/etc.clientlibs/akamai/clientlibs/clientlib-cl-qualtrics.min.df81ff64bfb78afaa4bac05ac477b553.js2 KB—✓1st
https://rum.hlx.page/.rum/@adobe/helix-rum-js@%5E2/dist/micro.js1 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

C
Page Weight Budget
Action
1.7 MB transferred, 69 requests
REVIEW
1.7 MB transferred, 69 requests
Info::
Page weighs 5.6 MB (1.7 MB transferred)
Warning::
JavaScript is 1.3 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.3 MB
Info::
69 HTTP requests
Info::
Estimated 0.35 g CO2 per page load
1.7 MB / 2.4 MB budget
1.7 MB transferred
69 requests
0.35 g CO2 per page load
JavaScript 1.3 MiB 77%
Images 183.8 KiB 11%
Fonts 72.1 KiB 4%
CSS 53.7 KiB 3%
Other 46.6 KiB 3%
HTML 28.2 KiB 2%
Other 6.8 KiB 0%
Other 2.9 KiB 0%
0 2.4 MB 4.9 MB
Approaching limit

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

B
Image Optimization
19 images, 0 KB saveable
REVIEW
19 images, 0 KB saveable
Info::
All images are well-optimized
19 images 184 KB
0 oversized -0 KB
5 legacy format
0 missing dimensions CLS risk
C
JS Execution Cost
Action
1068ms total JS execution
REVIEW
1068ms total JS execution
Info::
https://content.linode.com/js/forms2/js/forms2.min...: 175ms CPU time
Info::
Unattributable: 170ms CPU time
Info::
https://www.linode.com/ZNty3M/f7U/JQW/2JAAnRfy/5mX...: 164ms CPU time
Info::
https://content.linode.com/xdmhmPI8aK0sMJjxlmxI_cI...: 160ms CPU time
Info::
https://s.go-mpulse.net/boomerang/7U4SN-BLJ2N-G2NW...: 128ms CPU time
Warning::
Third-party scripts: 688ms (64% of total)

Main Thread Breakdown

Script Evaluation 55% Other 20% Style & Layout 10% Script Parsing & Compilation 9%
ScriptTotalScriptingParse/CompileParty
https://content.linode.com/js/forms2/js/forms2.min.js175ms92ms10ms3rd
Unattributable170ms17ms0ms3rd
https://www.linode.com/ZNty3M/f7U/JQW/2JAAnRfy/5mX3LXzmOYGVQhN7/CjgEQVEoKw8/YFgQ/aHVGHToB164ms149ms12ms1st
https://content.linode.com/xdmhmPI8aK0sMJjxlmxI_cIuEXw/YkimhfbNNwXcpLam/TisvAQ/RxluBC5/dECkB160ms146ms11ms3rd
https://s.go-mpulse.net/boomerang/7U4SN-BLJ2N-G2NW6-5XFY8-GXLUQ128ms44ms3ms3rd
https://www.linode.com/75ms6ms1ms1st
https://www.linode.com/etc.clientlibs/linode/clientlibs/clientlib-site.min.3168b22dfea3a1f8198bf6f89005ad12.js73ms45ms27ms1st
https://www.linode.com/ns/ot/202508.2.0/prod/scripttemplates/202508.2.0/otBannerSdk.js68ms38ms16ms1st
https://assets.adobedtm.com/fcfd3580c848/f9e7661907ee/launch-2fb69de42220.min.js55ms43ms10ms3rd
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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 (459.5 KiB of 1.7 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
3 fonts (72 KB)
PASS
3 fonts (72 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

72 KB total

Render-blocking

0

of 3

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s FCP 509 ms LCP 1.1 shttps://assets.linode.com/fonts/source-sans-pro-v14-latin-600.woff2source-sans-pro-v14-lat... https://assets.linode.com/fonts/source-sans-pro-v14-latin-600.woff2 — 15.9 KiB — 0 ms — font-display: swaphttps://assets.linode.com/fonts/source-sans-pro-v14-latin-regular.woff2source-sans-pro-v14-lat... https://assets.linode.com/fonts/source-sans-pro-v14-latin-regular.woff2 — 16.1 KiB — 0 ms — font-display: swaphttps://www.linode.com/content/dam/site/fonts/icomoon.woff2icomoon.woff2 https://www.linode.com/content/dam/site/fonts/icomoon.woff2 — 40.1 KiB — 0 ms — font-display: swap
source-sans-pro-v14-lat... woff2 swap
Size 16 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
source-sans-pro-v14-lat... woff2 swap
Size 16 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
icomoon.woff2 woff2 swap
Size 40 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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A
HTTP Caching
max-age=28800 (8 hours)
PASS
max-age=28800 (8 hours)
Info::
Cache-Control header is set
Got: max-age=28800
Info::
Effective TTL: 8 hours (max-age=28800)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

max-age=28800

DirectiveValueMeaning
max-age28800Cache for 8 hours
Effective TTL: 28800 seconds
Network Waterfall
69 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
64% of JavaScript execution is third-party
First-party Third-party 688ms · 129KB · €7/mo
content.linode.com
Other
Optional
Execution 175ms
Transfer 0 KB
Unused 51%
Monthly Cost €2/mo
Unattributable
Other
Optional
Execution 170ms
Transfer 0 KB
Monthly Cost €2/mo
content.linode.com
Other
Optional
Execution 160ms
Transfer 1 KB
Unused 21%
Monthly Cost €2/mo
s.go-mpulse.net
Other
Optional
Execution 128ms
Transfer 41 KB
Monthly Cost €1/mo
assets.adobedtm.com
Other
Optional
Execution 55ms
Transfer 86 KB
Unused 44%
Monthly Cost €1/mo

64% of JavaScript execution time comes from third-party scripts.

Why this matters

Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.

Learn more ▾

Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.

Source: web.dev / HTTP Archive Web Almanac

51% of content.linode.com's code is unused. The script may be loading features you don't use.

Why this matters

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

Source: web.dev

How third-party costs are calculated

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

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