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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
72
GRADE
C
FIX
6
REVIEW
2
PASS
7
INFO
2

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

Mobile Desktop
36
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
98
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.

7.29 s

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

12.04 s

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

1.04 s

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

0.001

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

7.29 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.

18.41 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
17
7 PASS 2 REVIEW 6 FIX
D
Page Weight Budget
Action
2.4 MB transferred, 66 requests
FIX
2.4 MB transferred, 66 requests
Info::
Page weighs 6.2 MB (2.4 MB transferred)
Warning::
JavaScript is 2.0 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 2.0 MB
Info::
66 HTTP requests
Info::
Estimated 0.49 g CO2 per page load
2.4 MB / 2.4 MB budget
2.4 MB transferred
66 requests
0.49 g CO2 per page load
JavaScript 2.0 MiB 83%
Images 186.1 KiB 8%
Fonts 92.3 KiB 4%
HTML 80.2 KiB 3%
CSS 35.8 KiB 1%
Other 8.0 KiB 0%
Other 4.9 KiB 0%
Other 2.0 KiB 0%
Other 556 B 0%
Other 0 B 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

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 (2.3 MiB of 2.4 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
20851ms total JS execution
FIX
20851ms total JS execution
Warning::
https://cf7d8e05182c.67f01764.us-east-1.token.awsw...: 18730ms CPU time
Warning::
https://nida.nih.gov/: 351ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-JB1K...: 322ms CPU time
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-5B8...: 288ms CPU time
Warning::
https://script.crazyegg.com/pages/versioned/common...: 285ms CPU time
Warning::
Third-party scripts: 20851ms (100% of total)

Main Thread Breakdown

Other 83% Script Evaluation 12%
ScriptTotalScriptingParse/CompileParty
https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/challenge.js18730ms1120ms218ms3rd
https://nida.nih.gov/351ms31ms4ms3rd
https://www.googletagmanager.com/gtag/js?id=G-JB1KEF0Q84&cx=c&gtm=4e64k0h1322ms262ms46ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-5B8TQK288ms229ms49ms3rd
https://script.crazyegg.com/pages/versioned/common-scripts/4ce8c7df8d425cc50464576824ed91eb.js285ms271ms12ms3rd
https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L220ms185ms35ms3rd
Unattributable189ms90ms0ms3rd
https://nida.nih.gov/sites/default/files/js/js_hgaF1rZcYv_Kud9ru2b_wuxa2TF-kZTpYXSjI-q3fVw.js?scope=footer&delta=4&language=en&theme=solstice&include=eJxljIsKwzAIRX8obT4p2GhK1iQWdY_-_cLarYWB4LmHq4BoDG3zcMCYhJu5CeISjPus_sLhpi4uhNlYAsTIgpmb_9F-TQ1d_Gy7lP5M7wh5lPsKZUws1dHLSm7L1x3RKRe1HMmn_gKepFzplHPhCcqgtvXyfHqhykbDIyOxvgGts1uX100ms59ms21ms3rd
https://nida.nih.gov/sites/default/files/js/js_OWi4d6bRHySAa2Z_a4F_cBxgvSOW2kDo2As5VhNLI-E.js?scope=footer&delta=0&language=en&theme=solstice&include=eJxljIsKwzAIRX8obT4p2GhK1iQWdY_-_cLarYWB4LmHq4BoDG3zcMCYhJu5CeISjPus_sLhpi4uhNlYAsTIgpmb_9F-TQ1d_Gy7lP5M7wh5lPsKZUws1dHLSm7L1x3RKRe1HMmn_gKepFzplHPhCcqgtvXyfHqhykbDIyOxvgGts1uX99ms84ms7ms3rd
https://script.crazyegg.com/scripts/addons/thirdparty/c00d2378dcf12c80724efc85b3c84902.js91ms58ms32ms3rd

Showing top 10 of 13 scripts

F
JS Bundles
Action
22 scripts, 959 KB unused
FIX
22 scripts, 959 KB unused
Warning::
https://cf7d8e05182c.67f01764.us-east-1.token.awsw...: 271 KB unused (55%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cf7d8e05182c.67f01764.us-east-1.token.awsw...: 271 KB unused (55%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-CSLL...: 106 KB unused (72%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://script.crazyegg.com/scripts/addons/1.0.146...: 74 KB unused (77%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-JB1K...: 67 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 959 KB
959 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/challenge.js494 KB271 KB (55%)✓3rd
https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/challenge.js494 KB271 KB (55%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L&cx=c&gtm=4e64k0h1147 KB106 KB (72%)✓3rd
https://script.crazyegg.com/scripts/addons/1.0.146/survey.js100 KB74 KB (77%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-JB1KEF0Q84&cx=c&gtm=4e64k0h1174 KB67 KB (39%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L147 KB62 KB (42%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-5B8TQK138 KB59 KB (43%)✓3rd
https://script.crazyegg.com/pages/versioned/common-scripts/4ce8c7df8d425cc50464576824ed91eb.js55 KB28 KB (50%)✓3rd
https://static.addtoany.com/menu/modules/core.ydpp7jcu.js26 KB21 KB (82%)✓3rd
https://nida.nih.gov/sites/default/files/js/js_hgaF1rZcYv_Kud9ru2b_wuxa2TF-kZTpYXSjI-q3fVw.js?scope=footer&delta=4&language=en&theme=solstice&include=eJxljIsKwzAIRX8obT4p2GhK1iQWdY_-_cLarYWB4LmHq4BoDG3zcMCYhJu5CeISjPus_sLhpi4uhNlYAsTIgpmb_9F-TQ1d_Gy7lP5M7wh5lPsKZUws1dHLSm7L1x3RKRe1HMmn_gKepFzplHPhCcqgtvXyfHqhykbDIyOxvgGts1uX60 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
66 resources · 2.4 MB · 959 KB savings available
FIX
66 resources · 2.4 MB · 959 KB savings available
Warning::
Page weight 1.4 MB over 1MB target
Got: 2.4 MB Expected: ≤ 1 MB
Info::
~959 KB of savings available
Warning::
63 third-party resources (100% of weight)
Info::
2 resources over 200KB
66 resources · 2.4 MiB · 63 third-party 1.4 MiB over 1MB target
JavaScript 83% · 2.0 MiB
Image 8% · 187.6 KiB
Font 4% · 92.3 KiB
Document 3% · 80.8 KiB
CSS 1% · 35.8 KiB
Other 1% · 13.4 KiB

~959.2 KiB of savings available

Remove unused JavaScript: 959.2 KiB
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: no-store, max-age=0
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-store, max-age=0

DirectiveValueMeaning
no-store—Never cache this response
max-age0Cache for 0 seconds
B
Image Optimization
11 images, 0 KB saveable
REVIEW
11 images, 0 KB saveable
Info::
All images are well-optimized
11 images 186 KB
0 oversized -0 KB
11 legacy format
0 missing dimensions CLS risk
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 (92 KB)
PASS
5 fonts (92 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

92 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 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 7.3 s LCP 12.0 shttps://fonts.gstatic.com/s/opensans/v44/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2memvYaGs126MiZpBA-UvWbX... https://fonts.gstatic.com/s/opensans/v44/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2 — 42.0 KiB — 56 ms — font-display: swaphttps://nida.nih.gov/themes/custom/solstice/fonts/font-awesome-subset-10/webfonts/fa-solid-900.woff2fa-solid-900.woff2 https://nida.nih.gov/themes/custom/solstice/fonts/font-awesome-subset-10/webfonts/fa-solid-900.woff2 — 6.6 KiB — 107 ms — font-display: swaphttps://fonts.gstatic.com/s/robotoslab/v36/BngMUXZYTXPIvIBgJJSb6ufN5qWr4xCC.woff2BngMUXZYTXPIvIBgJJSb6uf... https://fonts.gstatic.com/s/robotoslab/v36/BngMUXZYTXPIvIBgJJSb6ufN5qWr4xCC.woff2 — 33.4 KiB — 54 ms — font-display: swaphttps://nida.nih.gov/themes/custom/solstice/fonts/font-awesome-subset-10/webfonts/fa-regular-400.woff2fa-regular-400.woff2 https://nida.nih.gov/themes/custom/solstice/fonts/font-awesome-subset-10/webfonts/fa-regular-400.woff2 — 7.5 KiB — 108 ms — font-display: swaphttps://nida.nih.gov/themes/custom/solstice/fonts/font-awesome-subset-10/webfonts/fa-brands-400.woff2fa-brands-400.woff2 https://nida.nih.gov/themes/custom/solstice/fonts/font-awesome-subset-10/webfonts/fa-brands-400.woff2 — 2.8 KiB — 110 ms — font-display: swap
memvYaGs126MiZpBA-UvWbX... woff2 swap
Size 42 KB
Load time 56 ms
Start 4.4 s
Risk FOUT — text flashes from fallback to web font
fa-solid-900.woff2 woff2 swap
Size 7 KB
Load time 107 ms
Start 4.4 s
Risk FOUT — text flashes from fallback to web font
BngMUXZYTXPIvIBgJJSb6uf... woff2 swap
Size 33 KB
Load time 54 ms
Start 4.4 s
Risk FOUT — text flashes from fallback to web font
fa-regular-400.woff2 woff2 swap
Size 7 KB
Load time 108 ms
Start 4.4 s
Risk FOUT — text flashes from fallback to web font
fa-brands-400.woff2 woff2 swap
Size 3 KB
Load time 110 ms
Start 4.4 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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
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
66 requests over 5263ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 7.3 s LCP 12.0 shttps://drugabuse.gov// https://drugabuse.gov/ — 202 — 2.6 KiB — 302 ms — h2https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/challenge.jscf7d8e05182c.67f01764.us-east-1.tok... https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/challenge.js — 200 — 493.9 KiB — 954 ms — h2https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/inputs?client=browsercf7d8e05182c.67f01764.us-east-1.tok... https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/inputs?client=browser — 200 — 827 B — 119 ms — h3https://drugabuse.gov/favicon.ico/favicon.ico https://drugabuse.gov/favicon.ico — 202 — 248 B — 100 ms — h2https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/mp_verifycf7d8e05182c.67f01764.us-east-1.tok... https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/mp_verify — 200 — 631 B — 335 ms — h3https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/mp_verifycf7d8e05182c.67f01764.us-east-1.tok... https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/mp_verify — 200 — 630 B — 132 ms — h3https://drugabuse.gov// https://drugabuse.gov/ — 301 — 121 B — 101 ms — h2https://nida.nih.gov/nida.nih.gov/ https://nida.nih.gov/ — 202 — 2.6 KiB — 306 ms — h2https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/challenge.jscf7d8e05182c.67f01764.us-east-1.tok... https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/challenge.js — 200 — 493.6 KiB — 923 ms — h2https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/inputs?client=browsercf7d8e05182c.67f01764.us-east-1.tok... https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/inputs?client=browser — 200 — 827 B — 357 ms — h3https://nida.nih.gov/favicon.iconida.nih.gov/favicon.ico https://nida.nih.gov/favicon.ico — 202 — 248 B — 101 ms — h2https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/mp_verifycf7d8e05182c.67f01764.us-east-1.tok... https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/mp_verify — 200 — 631 B — 324 ms — h3https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/mp_verifycf7d8e05182c.67f01764.us-east-1.tok... https://cf7d8e05182c.67f01764.us-east-1.token.awswaf.com/cf7d8e05182c/003ae83a6569/603dd9d623b4/mp_verify — 200 — 632 B — 335 ms — h3https://nida.nih.gov/nida.nih.gov/ https://nida.nih.gov/ — 200 — 74.1 KiB — 102 ms — h2https://nida.nih.gov/sites/default/files/css/css_oH_d6HhFrxyuZt1QO--a-bBx8_cgRJmKGsg81NpwfD0.css?delta=0&language=en&theme=solstice&include=eJxtTwuOAjEIvRBOj9QwBUcynVILVef2Vtddze4mhPeB5AESuWLZA77IdGxaHJA2KdF8z2xRL9yaEId_3ZhlhhnTGl1H1fDBo_PNIa1M4toipqSNREv4YV95XAjSE_1j6Y8DfO5S9BaWrDPmw-MSKQuMkIFroNYr5ukloWLDpWE92ffk7Uy91D5nsRMTmGZzSRyOI9He8leM7ea8jf-M4SJ8tfDs06bUM98BlC2DXAnida.nih.gov/sites/default/files/cs... https://nida.nih.gov/sites/default/files/css/css_oH_d6HhFrxyuZt1QO--a-bBx8_cgRJmKGsg81NpwfD0.css?delta=0&language=en&theme=solstice&include=eJxtTwuOAjEIvRBOj9QwBUcynVILVef2Vtddze4mhPeB5AESuWLZA77IdGxaHJA2KdF8z2xRL9yaEId_3ZhlhhnTGl1H1fDBo_PNIa1M4toipqSNREv4YV95XAjSE_1j6Y8DfO5S9BaWrDPmw-MSKQuMkIFroNYr5ukloWLDpWE92ffk7Uy91D5nsRMTmGZzSRyOI9He8leM7ea8jf-M4SJ8tfDs06bUM98BlC2DXA — 200 — 2.5 KiB — 103 ms — 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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 20851ms · 1528KB · $277/mo
cf7d8e05182c.67f01764.us-east-1.token.awswaf.com
Other
Costly
Execution 18730ms
Transfer 494 KB
Unused 55%
Monthly Cost $249/mo
nida.nih.gov
Other
Costly
Execution 351ms
Transfer 74 KB
Monthly Cost $5/mo
Google Tag Manager
Tag Manager
Costly
Execution 322ms
Transfer 174 KB
Unused 39%
Monthly Cost $4/mo
Google Tag Manager
Tag Manager
Costly
Execution 288ms
Transfer 138 KB
Unused 43%
Monthly Cost $4/mo
script.crazyegg.com
Other
Costly
Execution 285ms
Transfer 55 KB
Unused 50%
Monthly Cost $4/mo
Google Tag Manager
Tag Manager
Costly
Execution 220ms
Transfer 147 KB
Unused 42%
Monthly Cost $3/mo
Unattributable
Other
Optional
Execution 189ms
Transfer 0 KB
Monthly Cost $3/mo
nida.nih.gov
Other
Optional
Execution 100ms
Transfer 60 KB
Monthly Cost $1/mo
nida.nih.gov
Other
Optional
Execution 99ms
Transfer 32 KB
Monthly Cost $1/mo
script.crazyegg.com
Other
Optional
Execution 91ms
Transfer 85 KB
Monthly Cost $1/mo
script.crazyegg.com
Other
Optional
Execution 66ms
Transfer 100 KB
Unused 77%
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 60ms
Transfer 147 KB
Unused 72%
Monthly Cost $1/mo
script.crazyegg.com
Other
Optional
Execution 50ms
Transfer 23 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • cf7d8e05182c.67f01764.us-east-1.token.awswaf.com adds 18730ms and costs ~$249/month
  • nida.nih.gov adds 351ms and costs ~$5/month
  • Google Tag Manager adds 322ms and costs ~$4/month
  • Google Tag Manager adds 288ms and costs ~$4/month
  • script.crazyegg.com adds 285ms and costs ~$4/month
  • Google Tag Manager adds 220ms 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

cf7d8e05182c.67f01764.us-east-1.token.awswaf.com takes 18730ms 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

55% of cf7d8e05182c.67f01764.us-east-1.token.awswaf.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

nida.nih.gov 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 322ms 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 288ms 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

script.crazyegg.com takes 285ms 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 220ms 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

77% of script.crazyegg.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

72% of Google Tag Manager'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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