Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

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

Mobile Desktop

Performance

Accessibility

Best Practices

SEO

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

8.29 s

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

22.73 s

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

3.55 s

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

0.053

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

11.65 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.

34.94 s

Page Load Progression

712 ms

1.4 s

2.1 s

2.8 s

3.6 s

4.3 s

5.0 s

5.7 s

Checks

8 PASS 2 REVIEW 5 FIX

Page Weight Budget

Action

3.9 MB transferred, 367 requests

FIX

3.9 MB transferred, 367 requests

Page weighs 11.9 MB (3.9 MB transferred)

JavaScript is 2.8 MB — consider code splitting or lazy loading

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Got: 2.8 MB

Fonts are 419 KB — consider subsetting or using system fonts

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

Got: 419 KB

367 HTTP requests — consider bundling or reducing

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

Estimated 0.83 g CO2 per page load

3.9 MB transferred

367 requests

0.83 g CO2 per page load

JavaScript 2.8 MiB 71%

Images 453.6 KiB 11%

Fonts 418.7 KiB 10%

CSS 167.6 KiB 4%

HTML 64.1 KiB 2%

Other 50.3 KiB 1%

Other 11.7 KiB 0%

Other 5.0 KiB 0%

Other 3.3 KiB 0%

Other 0 B 0%

0 2.4 MB 4.9 MB

Over budget

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

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

Third-Party Impact

Action

100% third-party, 0 ms blocking

FIX

100% third-party, 0 ms blocking

Third-party code accounts for 100% of page weight (3.9 MiB of 3.9 MiB)

Third-party blocking time is low (0 ms)

100%

First-party Third-party

JS Execution Cost

Action

11751ms total JS execution

FIX

11751ms total JS execution

https://www.ama-assn.org/: 2092ms CPU time

Unattributable: 1786ms CPU time

https://www.googletagmanager.com/gtm.js?id=GTM-PKM...: 1546ms CPU time

https://cdn.quantummetric.com/qscripts/quantum-ama...: 825ms CPU time

https://cdn.optimizely.com/js/1063362107.js: 598ms CPU time

Third-party scripts: 11751ms (100% of total)

Main Thread Breakdown

Script Evaluation 64% Other 16% Script Parsing & Compilation 8% Style & Layout 6%

Script	Total	Scripting	Parse/Compile	Party
https://www.ama-assn.org/	2092ms	494ms	21ms	3rd
Unattributable	1786ms	467ms	0ms	3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PKMFTL7&l=gaDataLayer	1546ms	1367ms	91ms	3rd
https://cdn.quantummetric.com/qscripts/quantum-ama.js	825ms	768ms	33ms	3rd
https://cdn.optimizely.com/js/1063362107.js	598ms	524ms	37ms	3rd
https://www.googletagmanager.com/gtag/js?id=G-NGYQD9R7ZM&l=gaDataLayer&cx=c&gtm=4e64h1	411ms	357ms	51ms	3rd
https://cdn.aimtell.com/trackpush/trackpush.min.js	351ms	318ms	6ms	3rd
https://www.googletagmanager.com/gtag/js?id=G-ZW7W3DGP5K&l=gaDataLayer&cx=c&gtm=4e64h1	318ms	237ms	47ms	3rd
https://www.googletagmanager.com/gtag/js?id=AW-770824921&l=gaDataLayer&cx=c&gtm=4e64h1	305ms	261ms	42ms	3rd
https://www.googletagmanager.com/gtag/js?id=DC-8896215&l=gaDataLayer&cx=c&gtm=4e64h1	299ms	256ms	40ms	3rd

Showing top 10 of 31 scripts

JS Bundles

Action

155 scripts, 954 KB unused

FIX

155 scripts, 954 KB unused

https://www.googletagmanager.com/gtag/js?id=G-ZW7W...: 69 KB unused (41%)

Consider code splitting or tree shaking to reduce unused code.

https://www.googletagmanager.com/gtag/js?id=G-NGYQ...: 68 KB unused (40%)

Consider code splitting or tree shaking to reduce unused code.

https://www.googletagmanager.com/gtag/js?id=G-GCYL...: 66 KB unused (41%)

Consider code splitting or tree shaking to reduce unused code.

https://cdn.cookielaw.org/scripttemplates/202504.1...: 62 KB unused (53%)

Consider code splitting or tree shaking to reduce unused code.

https://cdn.optimizely.com/js/1063362107.js: 62 KB unused (46%)

Consider code splitting or tree shaking to reduce unused code.

Total unused JavaScript: 954 KB

954 KB unused JavaScript

Downloaded but never executed on this page.

Script	Size	Unused	Minified	Party
https://www.googletagmanager.com/gtag/js?id=G-ZW7W3DGP5K&l=gaDataLayer&cx=c&gtm=4e64h1	166 KB	69 KB (41%)	✓	3rd
https://www.googletagmanager.com/gtag/js?id=G-NGYQD9R7ZM&l=gaDataLayer&cx=c&gtm=4e64h1	170 KB	68 KB (40%)	✓	3rd
https://www.googletagmanager.com/gtag/js?id=G-GCYLTYGWMZ&l=gaDataLayer&cx=c&gtm=4e64h1	161 KB	66 KB (41%)	✓	3rd
https://cdn.cookielaw.org/scripttemplates/202504.1.0/otBannerSdk.js	118 KB	62 KB (53%)	✓	3rd
https://cdn.optimizely.com/js/1063362107.js	134 KB	62 KB (46%)	✓	3rd
https://www.googletagmanager.com/gtag/js?id=DC-8896215&l=gaDataLayer&cx=c&gtm=4e64h1	130 KB	57 KB (44%)	✓	3rd
https://analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMQ.js	110 KB	56 KB (52%)	✓	3rd
https://www.googletagmanager.com/gtag/js?id=AW-806434910&l=gaDataLayer&cx=c&gtm=4e64h1	145 KB	56 KB (38%)	✓	3rd
https://cdn.inpwrd.net/track/1.0.0/bundle.min.js	94 KB	55 KB (59%)	✓	3rd
https://www.googletagmanager.com/gtag/js?id=AW-770824921&l=gaDataLayer&cx=c&gtm=4e64h1	138 KB	55 KB (40%)	✓	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

Page Weight Inventory

Action

367 resources · 3.9 MB · 954 KB savings available

FIX

367 resources · 3.9 MB · 954 KB savings available

Page weight 2.9 MB over 1MB target

Got: 3.9 MB Expected: ≤ 1 MB

~954 KB of savings available

366 third-party resources (100% of weight)

1 resources over 200KB

367 resources · 3.9 MiB · 366 third-party 2.9 MiB over 1MB target

JavaScript 71% · 2.8 MiB

Image 11% · 457.3 KiB

Font 10% · 418.7 KiB

CSS 4% · 172.0 KiB

Document 2% · 64.6 KiB

Other 2% · 61.6 KiB

~953.5 KiB of savings available

Remove unused JavaScript: 953.5 KiB

#	Resource	Type	Size	Cache	Unused	3rd party	Issues

367 resources			3.9 MiB

Image Optimization

Action

66 images, 0 KB saveable

REVIEW

66 images, 0 KB saveable

https://www.ama-assn.org/themes/custom/ama_one/log... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://www.ama-assn.org/sites/ama-assn.org/files/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

https://www.ama-assn.org/sites/ama-assn.org/files/... is missing width/height — may cause layout shift

Set explicit width and height to prevent CLS.

66 images 454 KB

0 oversized -0 KB

57 legacy format

3 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

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

All text resources are properly compressed.

A+

Font Loading

12 fonts (419 KB)

PASS

12 fonts (419 KB)

12 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

419 KB total

Render-blocking

of 12

Dominant font-display

swap

Most common across fonts

Font loading timeline

Transfer FOIT (block) FOUT (swap)

l woff2 swap

Size 24 KB

Load time 13 ms

Start 1.6 s

Risk FOUT — text flashes from fallback to web font

l woff2 swap

Size 24 KB

Load time 24 ms

Start 1.6 s

Risk FOUT — text flashes from fallback to web font

l woff2 swap

Size 116 KB

Load time 26 ms

Start 1.6 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

l woff2 swap

Size 115 KB

Load time 18 ms

Start 1.6 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

l woff2 swap

Size 116 KB

Load time 25 ms

Start 1.6 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

l woff2 swap

Size 24 KB

Load time 18 ms

Start 1.6 s

Risk FOUT — text flashes from fallback to web font

l woff2 swap

Size 0 KB

Load time 0 ms

Start 3.7 s

Risk FOUT — text flashes from fallback to web font

l woff2 swap

Size 0 KB

Load time 0 ms

Start 3.7 s

Risk FOUT — text flashes from fallback to web font

l woff2 swap

Size 0 KB

Load time 0 ms

Start 3.7 s

Risk FOUT — text flashes from fallback to web font

l woff2 swap

Size 0 KB

Load time 0 ms

Start 3.7 s

Risk FOUT — text flashes from fallback to web font

l woff2 swap

Size 0 KB

Load time 0 ms

Start 3.7 s

Risk FOUT — text flashes from fallback to web font

l woff2 swap

Size 0 KB

Load time 0 ms

Start 3.7 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 ~174 KB and ~348 ms

A+

Resource Caching

All resources properly cached

PASS

All resources properly cached

No caching issues found

All static resources have appropriate caching headers.

A+

Critical Rendering Path

No render-blocking resources

PASS

No render-blocking resources

No render-blocking resources detected

A+

Resource Hints

No optimization needed

PASS

No optimization needed

No resource hint issues

A+

Render-Blocking Resources

No render-blocking resources detected

PASS

No render-blocking resources detected

No render-blocking resources detected in <head>

A+

Third-Party Resources

No third-party resources detected

PASS

No third-party resources detected

HTTP Caching

max-age=1209600 (2 weeks)

PASS

max-age=1209600 (2 weeks)

Cache-Control header is set

Got: max-age=1209600

Effective TTL: 2 weeks (max-age=1209600)

No ETag or Last-Modified header

Conditional requests (304 Not Modified) are not possible without validators.

Cache-Control

max-age=1209600

Directive	Value	Meaning
max-age	1209600	Cache for 2 weeks

Effective TTL: 1209600 seconds

Network Waterfall

367 requests over 6191ms

INFO

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 11751ms · 2460KB · $220/mo

Script	Category	Execution	Transfer	Unused	Monthly Cost	Verdict
www.ama-assn.org www.ama-assn.org	Other	2092ms	60 KB	—	$39/mo	Costly
Unattributable Unattributable	Other	1786ms	0 KB	—	$34/mo	Costly
Google Tag Manager www.googletagmanager.com	Tag Manager	1546ms	205 KB	26%	$29/mo	Costly
cdn.quantummetric.com cdn.quantummetric.com	Other	825ms	110 KB	29%	$15/mo	Costly
Optimizely cdn.optimizely.com	A/B Testing	598ms	134 KB	46%	$11/mo	Costly
Google Tag Manager www.googletagmanager.com	Tag Manager	411ms	170 KB	40%	$8/mo	Costly
cdn.aimtell.com cdn.aimtell.com	Other	351ms	14 KB	—	$7/mo	Costly
Google Tag Manager www.googletagmanager.com	Tag Manager	318ms	166 KB	41%	$6/mo	Costly
Google Tag Manager www.googletagmanager.com	Tag Manager	305ms	138 KB	40%	$6/mo	Costly
Google Tag Manager www.googletagmanager.com	Tag Manager	299ms	130 KB	44%	$6/mo	Costly
Google Tag Manager www.googletagmanager.com	Tag Manager	289ms	137 KB	40%	$5/mo	Costly
Google Tag Manager www.googletagmanager.com	Tag Manager	282ms	145 KB	38%	$5/mo	Costly
www.ama-assn.org www.ama-assn.org	Other	281ms	0 KB	—	$5/mo	Costly
OneTrust cdn.cookielaw.org	Consent	280ms	118 KB	53%	$5/mo	Essential
Google Tag Manager www.googletagmanager.com	Tag Manager	272ms	161 KB	41%	$5/mo	Costly
analytics.tiktok.com analytics.tiktok.com	Other	243ms	110 KB	52%	$5/mo	Costly
Google Tag Manager www.googletagmanager.com	Tag Manager	232ms	138 KB	40%	$4/mo	Costly
cdn.evgnet.com cdn.evgnet.com	Other	173ms	46 KB	45%	$3/mo	Optional
OneTrust cdn.cookielaw.org	Consent	134ms	9 KB	—	$3/mo	Essential
Facebook Pixel connect.facebook.net	Advertising	130ms	97 KB	36%	$2/mo	Optional
Facebook Pixel connect.facebook.net	Advertising	130ms	23 KB	—	$2/mo	Optional
www.ama-assn.org www.ama-assn.org	Other	117ms	31 KB	—	$2/mo	Optional
Facebook Pixel connect.facebook.net	Advertising	105ms	43 KB	—	$2/mo	Optional
tags.srv.stackadapt.com tags.srv.stackadapt.com	Other	79ms	8 KB	—	$1/mo	Optional
Facebook Pixel connect.facebook.net	Advertising	76ms	16 KB	—	$1/mo	Optional
Twitter/X Pixel static.ads-twitter.com	Advertising	75ms	13 KB	—	$1/mo	Optional
www.ama-assn.org www.ama-assn.org	Other	74ms	40 KB	—	$1/mo	Optional
LinkedIn Insight snap.licdn.com	Advertising	70ms	19 KB	—	$1/mo	Optional
js-agent.newrelic.com js-agent.newrelic.com	Other	64ms	30 KB	75%	$1/mo	Optional
cl.qualaroo.com cl.qualaroo.com	Other	58ms	56 KB	52%	$1/mo	Optional
cdn.inpwrd.net cdn.inpwrd.net	Other	55ms	94 KB	59%	$1/mo	Optional

www.ama-assn.org

Other

Costly

Execution 2092ms

Transfer 60 KB

Monthly Cost $39/mo

Unattributable

Other

Costly

Execution 1786ms

Transfer 0 KB

Monthly Cost $34/mo

Google Tag Manager

Tag Manager

Costly

Execution 1546ms

Transfer 205 KB

Unused 26%

Monthly Cost $29/mo

cdn.quantummetric.com

Other

Costly

Execution 825ms

Transfer 110 KB

Unused 29%

Monthly Cost $15/mo

Optimizely

A/B Testing

Costly

Execution 598ms

Transfer 134 KB

Unused 46%

Monthly Cost $11/mo

Google Tag Manager

Tag Manager

Costly

Execution 411ms

Transfer 170 KB

Unused 40%

Monthly Cost $8/mo

cdn.aimtell.com

Other

Costly

Execution 351ms

Transfer 14 KB

Monthly Cost $7/mo

Google Tag Manager

Tag Manager

Costly

Execution 318ms

Transfer 166 KB

Unused 41%

Monthly Cost $6/mo

Google Tag Manager

Tag Manager

Costly

Execution 305ms

Transfer 138 KB

Unused 40%

Monthly Cost $6/mo

Google Tag Manager

Tag Manager

Costly

Execution 299ms

Transfer 130 KB

Unused 44%

Monthly Cost $6/mo

Google Tag Manager

Tag Manager

Costly

Execution 289ms

Transfer 137 KB

Unused 40%

Monthly Cost $5/mo

Google Tag Manager

Tag Manager

Costly

Execution 282ms

Transfer 145 KB

Unused 38%

Monthly Cost $5/mo

www.ama-assn.org

Other

Costly

Execution 281ms

Transfer 0 KB

Monthly Cost $5/mo

OneTrust

Consent

Essential

Execution 280ms

Transfer 118 KB

Unused 53%

Monthly Cost $5/mo

Google Tag Manager

Tag Manager

Costly

Execution 272ms

Transfer 161 KB

Unused 41%

Monthly Cost $5/mo

analytics.tiktok.com

Other

Costly

Execution 243ms

Transfer 110 KB

Unused 52%

Monthly Cost $5/mo

Google Tag Manager

Tag Manager

Costly

Execution 232ms

Transfer 138 KB

Unused 40%

Monthly Cost $4/mo

cdn.evgnet.com

Other

Optional

Execution 173ms

Transfer 46 KB

Unused 45%

Monthly Cost $3/mo

OneTrust

Consent

Essential

Execution 134ms

Transfer 9 KB

Monthly Cost $3/mo

Facebook Pixel

Advertising

Optional

Execution 130ms

Transfer 97 KB

Unused 36%

Monthly Cost $2/mo

Facebook Pixel

Advertising

Optional

Execution 130ms

Transfer 23 KB

Monthly Cost $2/mo

www.ama-assn.org

Other

Optional

Execution 117ms

Transfer 31 KB

Monthly Cost $2/mo

Facebook Pixel

Advertising

Optional

Execution 105ms

Transfer 43 KB

Monthly Cost $2/mo

tags.srv.stackadapt.com

Other

Optional

Execution 79ms

Transfer 8 KB

Monthly Cost $1/mo

Facebook Pixel

Advertising

Optional

Execution 76ms

Transfer 16 KB

Monthly Cost $1/mo

Twitter/X Pixel

Advertising

Optional

Execution 75ms

Transfer 13 KB

Monthly Cost $1/mo

www.ama-assn.org

Other

Optional

Execution 74ms

Transfer 40 KB

Monthly Cost $1/mo

LinkedIn Insight

Advertising

Optional

Execution 70ms

Transfer 19 KB

Monthly Cost $1/mo

js-agent.newrelic.com

Other

Optional

Execution 64ms

Transfer 30 KB

Unused 75%

Monthly Cost $1/mo

cl.qualaroo.com

Other

Optional

Execution 58ms

Transfer 56 KB

Unused 52%

Monthly Cost $1/mo

cdn.inpwrd.net

Other

Optional

Execution 55ms

Transfer 94 KB

Unused 59%

Monthly Cost $1/mo

These scripts may cost more than they're worth

www.ama-assn.org adds 2092ms and costs ~$39/month
Unattributable adds 1786ms and costs ~$34/month
Google Tag Manager adds 1546ms and costs ~$29/month
cdn.quantummetric.com adds 825ms and costs ~$15/month
Optimizely adds 598ms and costs ~$11/month
Google Tag Manager adds 411ms and costs ~$8/month
cdn.aimtell.com adds 351ms and costs ~$7/month
Google Tag Manager adds 318ms and costs ~$6/month
Google Tag Manager adds 305ms and costs ~$6/month
Google Tag Manager adds 299ms and costs ~$6/month
Google Tag Manager adds 289ms and costs ~$5/month
Google Tag Manager adds 282ms and costs ~$5/month
www.ama-assn.org adds 281ms and costs ~$5/month
Google Tag Manager adds 272ms and costs ~$5/month
analytics.tiktok.com adds 243ms and costs ~$5/month
Google Tag Manager adds 232ms and costs ~$4/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.ama-assn.org takes 2092ms 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 1786ms 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 1546ms 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

cdn.quantummetric.com takes 825ms 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

Optimizely takes 598ms 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 411ms 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

cdn.aimtell.com takes 351ms 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 318ms 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 305ms 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 299ms 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 289ms 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 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

www.ama-assn.org takes 281ms 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

Google Tag Manager takes 272ms 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

analytics.tiktok.com takes 243ms 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

52% of analytics.tiktok.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

Google Tag Manager takes 232ms 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

75% of js-agent.newrelic.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

52% of cl.qualaroo.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

59% of cdn.inpwrd.net'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.