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https://omicsonline.org

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
76
GRADE
C
FIX
5
REVIEW
2
PASS
8
INFO
2

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

48
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
88
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
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.

5.92 s

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

7.50 s

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

533 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.

5.92 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.

13.72 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
8 PASS 2 REVIEW 5 FIX
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 (1.5 MiB of 1.5 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
3101ms total JS execution
FIX
3101ms total JS execution
Warning::
https://www.omicsonline.org/: 1171ms CPU time
Warning::
Unattributable: 388ms CPU time
Warning::
https://www.omicsonline.org/cdn-cgi/scripts/7d0fa1...: 350ms CPU time
Info::
https://fundingchoicesmessages.google.com/f/AGSKWx...: 249ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-VWFV...: 246ms CPU time
Warning::
Third-party scripts: 3101ms (100% of total)

Main Thread Breakdown

Script Evaluation 37% Style & Layout 27% Other 20% Script Parsing & Compilation 7% Parse HTML & CSS 4% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://www.omicsonline.org/1171ms7ms1ms3rd
Unattributable388ms16ms0ms3rd
https://www.omicsonline.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js350ms246ms7ms3rd
https://fundingchoicesmessages.google.com/f/AGSKWxW3RAnn9mA72zrlWUMKQq6SLMcfp1V01atnr0Zb10TJ_WF2sjW0K3eD7M_EVcxsw87ddDaV9iNKFEVJ9jUE53avFClCwnM-SNJEYEMOhCd6tPPZklImfG6yi35JahI4WrKTvJp_Aw==?fccs=W251bGwsbnVsbCxudWxsLG51bGwsbnVsbCxudWxsLFsxNzc2ODk2NzE3LDg2MTAwMDAwMF0sbnVsbCxudWxsLG51bGwsW251bGwsWzddXSwiaHR0cHM6Ly93d3cub21pY3NvbmxpbmUub3JnLyIsbnVsbCxbWzgsInBTSmtvMTk2SUgwIl0sWzksImVuLVVTIl0sWzE4LCJbW1tudWxsLDE1NThdXV0iXSxbMzUsIjE3NzY4OTY3MTciXSxbMTksIjEiXSxbMTcsIlswXSJdLFsyNCwiIl0sWzI5LCJmYWxzZSJdXV0249ms136ms36ms3rd
https://www.googletagmanager.com/gtag/js?id=G-VWFV1HF267246ms204ms40ms3rd
https://fundingchoicesmessages.google.com/i/ca-pub-8046643215361735?href=https%3A%2F%2Fwww.omicsonline.org&ers=2215ms191ms21ms3rd
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202604170101/show_ads_impl_fy2021.js?bust=31097971155ms103ms49ms3rd
https://connect.facebook.net/en_US/fbevents.js126ms96ms29ms3rd
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-804664321536173590ms76ms13ms3rd
https://connect.facebook.net/signals/config/297919997051754?v=2.9.303&r=stable&domain=www.omicsonline.org&hme=97937018cefade17726f0472876fc101316b2ce9008a35a6a5a7977d7436151a&ex_m=104%2C205%2C154%2C22%2C72%2C73%2C145%2C68%2C67%2C11%2C162%2C90%2C16%2C138%2C127%2C39%2C75%2C78%2C134%2C159%2C164%2C8%2C4%2C5%2C7%2C6%2C3%2C91%2C101%2C165%2C170%2C219%2C62%2C186%2C187%2C55%2C276%2C30%2C74%2C231%2C230%2C229%2C23%2C33%2C103%2C61%2C10%2C63%2C97%2C98%2C99%2C105%2C130%2C31%2C29%2C132%2C133%2C129%2C128%2C155%2C76%2C158%2C156%2C157%2C50%2C60%2C123%2C15%2C161%2C45%2C263%2C264%2C262%2C26%2C27%2C28%2C48%2C146%2C77%2C112%2C18%2C20%2C44%2C40%2C42%2C41%2C83%2C92%2C96%2C110%2C144%2C147%2C46%2C111%2C24%2C21%2C119%2C69%2C36%2C149%2C148%2C150%2C141%2C139%2C25%2C35%2C59%2C109%2C160%2C70%2C17%2C152%2C114%2C81%2C66%2C19%2C85%2C86%2C116%2C84%2C136%2C135%2C34%2C278%2C293%2C212%2C201%2C202%2C200%2C296%2C288%2C52%2C213%2C107%2C131%2C80%2C121%2C54%2C47%2C49%2C113%2C120%2C126%2C58%2C64%2C151%2C115%2C37%2C32%2C53%2C56%2C100%2C163%2C1%2C124%2C14%2C122%2C12%2C2%2C57%2C93%2C65%2C118%2C89%2C88%2C166%2C167%2C94%2C95%2C9%2C125%2C102%2C51%2C142%2C87%2C79%2C71%2C117%2C106%2C43%2C143%2C0%2C82%2C137%2C140%2C153%2C38%2C108%2C13%2C16861ms52ms8ms3rd

Showing top 10 of 11 scripts

D
JS Bundles
Action
21 scripts, 339 KB unused
FIX
21 scripts, 339 KB unused
Warning::
https://pagead2.googlesyndication.com/pagead/manag...: 149 KB unused (84%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-VWFV...: 66 KB unused (40%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://connect.facebook.net/en_US/fbevents.js: 37 KB unused (38%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://fundingchoicesmessages.google.com/i/ca-pub...: 36 KB unused (52%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://pagead2.googlesyndication.com/pagead/js/ad...: 28 KB unused (52%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 339 KB
339 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202604170101/show_ads_impl_fy2021.js?bust=31097971178 KB149 KB (84%)3rd
https://www.googletagmanager.com/gtag/js?id=G-VWFV1HF267164 KB66 KB (40%)3rd
https://connect.facebook.net/en_US/fbevents.js97 KB37 KB (38%)3rd
https://fundingchoicesmessages.google.com/i/ca-pub-8046643215361735?href=https%3A%2F%2Fwww.omicsonline.org&ers=270 KB36 KB (52%)3rd
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-804664321536173554 KB28 KB (52%)3rd
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js31 KB23 KB (75%)3rd
https://www.omicsonline.org/js/grids.min.js1 KB3rd
https://www.omicsonline.org/js/jquery.coolautosuggest.js2 KB3rd
https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js7 KB3rd
https://code.jquery.com/jquery-3.3.1.min.js30 KB3rd

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

D
Page Weight Inventory
Action
89 resources · 1.5 MB · 339 KB savings available
FIX
89 resources · 1.5 MB · 339 KB savings available
Warning::
Page weight 531 KB over 1MB target
Got: 1.5 MB Expected: ≤ 1 MB
Info::
~339 KB of savings available
Warning::
88 third-party resources (100% of weight)
89 resources · 1.5 MiB · 88 third-party 531.0 KiB over 1MB target
JavaScript 50% · 774.8 KiB
Font 22% · 339.1 KiB
Image 16% · 243.9 KiB
CSS 11% · 174.5 KiB
Document 1% · 21.6 KiB
Other 0% · 1.1 KiB

~338.6 KiB of savings available

Remove unused JavaScript: 338.6 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.

B
Page Weight Budget
1.5 MB transferred, 89 requests
REVIEW
1.5 MB transferred, 89 requests
Info::
Page weighs 4.6 MB (1.5 MB transferred)
Warning::
JavaScript is 775 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 775 KB
Info::
Fonts are 339 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 339 KB
Info::
89 HTTP requests
Info::
Estimated 0.32 g CO2 per page load
1.5 MB / 2.4 MB budget
1.5 MB transferred
89 requests
0.32 g CO2 per page load
JavaScript 774.8 KiB 50%
Fonts 339.1 KiB 22%
Images 221.8 KiB 14%
CSS 174.5 KiB 11%
Other 22.6 KiB 1%
HTML 21.0 KiB 1%
Other 561 B 0%
Other 552 B 0%
Other 168 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

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

C
Image Optimization
Action
32 images, 0 KB saveable
REVIEW
32 images, 0 KB saveable
Warning::
https://www.omicsonline.org/images/slider_mobile.p... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.omicsonline.org/images/icon_scholar.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.omicsonline.org/images/icon_open_acces... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.omicsonline.org/images/icon_Scientific... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.omicsonline.org/images/icon_Scientific... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.omicsonline.org/images/icon_sc_allianc... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.omicsonline.org/images/icon_ys_award.p... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
32 images 222 KB
0 oversized -0 KB
31 legacy format
7 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

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

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
10 fonts (339 KB)
PASS
10 fonts (339 KB)
Info::
10 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

10

339 KB total

Render-blocking

0

of 10

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 7.0 s FCP 5.9 s LCP 7.5 shttps://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/webfonts/fa-solid-900.woff2fa-solid-900.woff2 https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/webfonts/fa-solid-900.woff2 — 74.6 KiB — 75 ms — font-display: swaphttps://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/webfonts/fa-brands-400.woff2fa-brands-400.woff2 https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/webfonts/fa-brands-400.woff2 — 74.2 KiB — 91 ms — font-display: swaphttps://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 — 46 ms — font-display: swaphttps://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/webfonts/fa-regular-400.woff2fa-regular-400.woff2 https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/webfonts/fa-regular-400.woff2 — 13.9 KiB — 91 ms — font-display: swaphttps://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 36.7 KiB — 43 ms — font-display: swaphttps://fonts.gstatic.com/s/roboto/v51/KFO5CnqEu92Fr1Mu53ZEC9_Vu3r1gIhOszmkBnkaSTbQWg.woff2KFO5CnqEu92Fr1Mu53ZEC9_... https://fonts.gstatic.com/s/roboto/v51/KFO5CnqEu92Fr1Mu53ZEC9_Vu3r1gIhOszmkBnkaSTbQWg.woff2 — 40.8 KiB — 50 ms — font-display: swaphttps://fonts.gstatic.com/s/roboto/v48/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWubEbVmUiAr0lFQm.woff2KFOMCnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v48/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWubEbVmUiAr0lFQm.woff2 — 14.8 KiB — 31 ms — font-display: swaphttps://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2memvYaGs126MiZpBA-UvWbX... https://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2 — 42.1 KiB — 37 ms — font-display: swaphttps://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2memvYaGs126MiZpBA-UvWbX... https://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2 — 0 B — 35 ms — font-display: swaphttps://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2memvYaGs126MiZpBA-UvWbX... https://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2 — 0 B — 36 ms — font-display: swap
fa-solid-900.woff2 woff2 swap
Size 75 KB
Load time 75 ms
Start 930 ms
Risk FOUT — text flashes from fallback to web font
fa-brands-400.woff2 woff2 swap
Size 74 KB
Load time 91 ms
Start 931 ms
Risk FOUT — text flashes from fallback to web font
memvYaGs126MiZpBA-UvWbX... woff2 swap
Size 42 KB
Load time 46 ms
Start 931 ms
Risk FOUT — text flashes from fallback to web font
fa-regular-400.woff2 woff2 swap
Size 14 KB
Load time 91 ms
Start 932 ms
Risk FOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 37 KB
Load time 43 ms
Start 1.0 s
Risk FOUT — text flashes from fallback to web font
KFO5CnqEu92Fr1Mu53ZEC9_... woff2 swap
Size 41 KB
Load time 50 ms
Start 1.0 s
Risk FOUT — text flashes from fallback to web font
KFOMCnqEu92Fr1ME7kSn66a... woff2 swap
Size 15 KB
Load time 31 ms
Start 2.0 s
Risk FOUT — text flashes from fallback to web font
memvYaGs126MiZpBA-UvWbX... woff2 swap
Size 42 KB
Load time 37 ms
Start 2.0 s
Risk FOUT — text flashes from fallback to web font
memvYaGs126MiZpBA-UvWbX... woff2 swap
Size 0 KB
Load time 35 ms
Start 2.0 s
Risk FOUT — text flashes from fallback to web font
memvYaGs126MiZpBA-UvWbX... woff2 swap
Size 0 KB
Load time 36 ms
Start 2.0 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
15 hints, 0 missing preconnects
PASS
15 hints, 0 missing preconnects
Info::
Page uses 15 resource hint(s)

Current Resource Hints

preconnect
preload
+5
15
dns-prefetch
prefetch

15 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
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
89 requests over 2077ms
INFO
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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 3101ms · 710KB · €50/mo
www.omicsonline.org
Other
Costly
Execution 1171ms
Transfer 21 KB
Monthly Cost €19/mo
Unattributable
Other
Costly
Execution 388ms
Transfer 0 KB
Monthly Cost €6/mo
www.omicsonline.org
Other
Costly
Execution 350ms
Transfer 4 KB
Monthly Cost €6/mo
fundingchoicesmessages.google.com
Other
Costly
Execution 249ms
Transfer 68 KB
Monthly Cost €4/mo
Google Tag Manager
Tag Manager
Costly
Execution 246ms
Transfer 164 KB
Unused 40%
Monthly Cost €4/mo
fundingchoicesmessages.google.com
Other
Costly
Execution 215ms
Transfer 70 KB
Unused 52%
Monthly Cost €3/mo
pagead2.googlesyndication.com
Other
Optional
Execution 155ms
Transfer 178 KB
Unused 84%
Monthly Cost €2/mo
Facebook Pixel
Advertising
Optional
Execution 126ms
Transfer 97 KB
Unused 38%
Monthly Cost €2/mo
pagead2.googlesyndication.com
Other
Optional
Execution 90ms
Transfer 54 KB
Unused 52%
Monthly Cost €1/mo
Facebook Pixel
Advertising
Optional
Execution 61ms
Transfer 24 KB
Monthly Cost €1/mo
ajax.googleapis.com
Other
Optional
Execution 50ms
Transfer 31 KB
Unused 75%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.omicsonline.org adds 1171ms and costs ~€19/month
  • Unattributable adds 388ms and costs ~€6/month
  • www.omicsonline.org adds 350ms and costs ~€6/month
  • fundingchoicesmessages.google.com adds 249ms and costs ~€4/month
  • Google Tag Manager adds 246ms and costs ~€4/month
  • fundingchoicesmessages.google.com adds 215ms 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.omicsonline.org takes 1171ms 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 388ms 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.omicsonline.org takes 350ms 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

fundingchoicesmessages.google.com takes 249ms 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 246ms 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

fundingchoicesmessages.google.com takes 215ms 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 fundingchoicesmessages.google.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

84% of pagead2.googlesyndication.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 pagead2.googlesyndication.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

75% of ajax.googleapis.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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