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https://rogerebert.com

Performance

· 16 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
93
GRADE
A
FIX
2
REVIEW
0
PASS
13
INFO
1

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

Mobile Desktop
88
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
90
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.
40
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.

800 ms

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

1.26 s

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

485 ms

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

0.003

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

913 ms

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

2.32 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
16
13 PASS 2 FIX
D
Third-Party Impact
Action
80% third-party, 0 ms blocking
FIX
80% third-party, 0 ms blocking
Warning::
Third-party code accounts for 80% of page weight (389.1 KiB of 485.7 KiB)
Info::
Third-party blocking time is low (0 ms)
20%
80%
First-party Third-party
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-cache, no-store, must-revalidate
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-cache, no-store, must-revalidate

DirectiveValueMeaning
no-cache—Cache but always revalidate first
no-store—Never cache this response
must-revalidate—Must recheck with server after expiry
A+
Page Weight Budget
486 KB transferred, 20 requests
PASS
486 KB transferred, 20 requests
Info::
Page weighs 900 KB (486 KB transferred)
Info::
20 HTTP requests
Info::
Estimated 0.10 g CO2 per page load
486 KB / 2.4 MB budget
486 KB transferred
20 requests
0.10 g CO2 per page load
Other 289.2 KiB 60%
HTML 103.4 KiB 21%
JavaScript 87.8 KiB 18%
Images 2.4 KiB 1%
Other 1.7 KiB 0%
Other 1.1 KiB 0%
0 2.4 MB 4.9 MB
Under budget
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
Image Optimization
3 images, 0 KB saveable
PASS
3 images, 0 KB saveable
Info::
All images are well-optimized
3 images 2 KB
0 oversized -0 KB
3 legacy format
0 missing dimensions CLS risk
A+
JS Execution Cost
No JS execution data
PASS
No JS execution data
Info::
No significant JS execution detected
A+
Font Loading
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
A+
JS Bundles
8 scripts, 0 KB unused
PASS
8 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://rogerebert.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f081f3649dd6f9a70 KB—✓1st
blob:https://rogerebert.com/6465d990-db14-4a1e-bdf7-b356e57b5c900 KB—✓3rd
https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicit17 KB—✓3rd
blob:https://rogerebert.com/fc811b38-bb82-4d06-8186-007153a48447-0 KB—✓3rd
blob:https://challenges.cloudflare.com/803662b3-ee9f-4882-86d2-9f9ce75d025f0 KB—✓3rd
blob:https://challenges.cloudflare.com/45f54ca2-7e1a-4bb7-95e8-6d854cf0f70f-0 KB—✓3rd
blob:https://challenges.cloudflare.com/45f54ca2-7e1a-4bb7-95e8-6d854cf0f70f-0 KB—✓3rd
blob:https://challenges.cloudflare.com/03435366-c688-43ea-9734-99e931900e35-0 KB—✓3rd
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
Page Weight Inventory
20 resources · 486 KB · 0 KB savings available
PASS
20 resources · 486 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 486 KB
Warning::
13 third-party resources (80% of weight)
Info::
1 resources over 200KB
20 resources · 485.7 KiB · 13 third-party Within 1MB page-weight target
Other 60% · 290.9 KiB
Document 22% · 104.5 KiB
JavaScript 18% · 87.8 KiB
Image 1% · 2.4 KiB
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: Something Familiar

Network Waterfall
20 requests over 2782ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 800 ms LCP 1.3 shttps://rogerebert.com// https://rogerebert.com/ — 403 — 1.3 KiB — 71 ms — h2https://rogerebert.com/?ki-cf-botcl=1/?ki-cf-botcl=1 https://rogerebert.com/?ki-cf-botcl=1 — 307 — 78 B — 29 ms — http/1.1https://rogerebert.com/?ki-cf-botcl=1/?ki-cf-botcl=1 https://rogerebert.com/?ki-cf-botcl=1 — 403 — 8.7 KiB — 28 ms — h3https://rogerebert.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f081f3649dd6f9a/cdn-cgi/challenge-platform/h/b/orc... https://rogerebert.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f081f3649dd6f9a — 200 — 70.4 KiB — 81 ms — h3blob:https://rogerebert.com/6465d990-db14-4a1e-bdf7-b356e57b5c90rogerebert.com/6465d990-db14-4a1e-b... blob:https://rogerebert.com/6465d990-db14-4a1e-bdf7-b356e57b5c90 — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicitchallenges.cloudflare.com/turnstile... https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicit — 200 — 17.4 KiB — 109 ms — h3https://rogerebert.com/favicon.ico/favicon.ico https://rogerebert.com/favicon.ico — 403 — 1.3 KiB — 44 ms — h3https://rogerebert.com/favicon.ico/favicon.ico https://rogerebert.com/favicon.ico — 403 — 1.0 KiB — 32 ms — h3https://rogerebert.com/cdn-cgi/challenge-platform/h/b/flow/ov1/2745934750:1776895631:NxEosYmLaAWuW0xG9JSRvOdfMvuQUXMoCt2KKdp2IzA/9f081f3649dd6f9a/WeFkpfqsUlIZ_tP5XoWICyE4lD2sqqrDaULtt_4g60A-1776897539-1.2.1.1-eEa58OrIAqKAaolr7i_P2urL.r1C71vamorv6cPqSQqvFr.dIModLqOU8kurGH8H/cdn-cgi/challenge-platform/h/b/flo... https://rogerebert.com/cdn-cgi/challenge-platform/h/b/flow/ov1/2745934750:1776895631:NxEosYmLaAWuW0xG9JSRvOdfMvuQUXMoCt2KKdp2IzA/9f081f3649dd6f9a/WeFkpfqsUlIZ_tP5XoWICyE4lD2sqqrDaULtt_4g60A-1776897539-1.2.1.1-eEa58OrIAqKAaolr7i_P2urL.r1C71vamorv6cPqSQqvFr.dIModLqOU8kurGH8H — 200 — 13.8 KiB — 44 ms — h3blob:https://rogerebert.com/fc811b38-bb82-4d06-8186-007153a48447rogerebert.com/fc811b38-bb82-4d06-8... blob:https://rogerebert.com/fc811b38-bb82-4d06-8186-007153a48447 — 200 — -1 B — 22 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/f/ov2/av0/rch/eemuh/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=autochallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/f/ov2/av0/rch/eemuh/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto — 200 — 93.5 KiB — 100 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/cmg/1challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/cmg/1 — 200 — 208 B — 23 ms — h3blob:https://challenges.cloudflare.com/803662b3-ee9f-4882-86d2-9f9ce75d025fchallenges.cloudflare.com/803662b3-... blob:https://challenges.cloudflare.com/803662b3-ee9f-4882-86d2-9f9ce75d025f — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/127823667:1776895633:NE5HXOchrRXigR3PNYrzEyiJuxfY81tRlOL6B6yM9fA/9f081f38e86be0ad/47JQ1VTqwPOf1T39eKtecEtxWenjsrgFcf.m8x80Vkw-1776897539-1.2.1.1-LvGZ.846Ol1DSK8U5jlETjCc4.0YwaUwF0RHuQ1.I26QOiFzcltIQTke1v_CDLUrchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/127823667:1776895633:NE5HXOchrRXigR3PNYrzEyiJuxfY81tRlOL6B6yM9fA/9f081f38e86be0ad/47JQ1VTqwPOf1T39eKtecEtxWenjsrgFcf.m8x80Vkw-1776897539-1.2.1.1-LvGZ.846Ol1DSK8U5jlETjCc4.0YwaUwF0RHuQ1.I26QOiFzcltIQTke1v_CDLUr — 200 — 252.7 KiB — 126 ms — h3blob:https://challenges.cloudflare.com/45f54ca2-7e1a-4bb7-95e8-6d854cf0f70fchallenges.cloudflare.com/45f54ca2-... blob:https://challenges.cloudflare.com/45f54ca2-7e1a-4bb7-95e8-6d854cf0f70f — 200 — -1 B — 70 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f081f38e86be0ad/1776897540276/K9bOsLcjYvvRdJCchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f081f38e86be0ad/1776897540276/K9bOsLcjYvvRdJC — 200 — 922 B — 21 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f081f38e86be0ad/1776897540276/a1fdafb40a1a46190d4813e81f8a9cf36a9d82c63bc320b846513fb946f4879f/71WznaDKLbT93m6challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f081f38e86be0ad/1776897540276/a1fdafb40a1a46190d4813e81f8a9cf36a9d82c63bc320b846513fb946f4879f/71WznaDKLbT93m6 — 401 — 1.7 KiB — 21 ms — h3blob:https://challenges.cloudflare.com/45f54ca2-7e1a-4bb7-95e8-6d854cf0f70fchallenges.cloudflare.com/45f54ca2-... blob:https://challenges.cloudflare.com/45f54ca2-7e1a-4bb7-95e8-6d854cf0f70f — 200 — -1 B — 7 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/127823667:1776895633:NE5HXOchrRXigR3PNYrzEyiJuxfY81tRlOL6B6yM9fA/9f081f38e86be0ad/47JQ1VTqwPOf1T39eKtecEtxWenjsrgFcf.m8x80Vkw-1776897539-1.2.1.1-LvGZ.846Ol1DSK8U5jlETjCc4.0YwaUwF0RHuQ1.I26QOiFzcltIQTke1v_CDLUrchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/127823667:1776895633:NE5HXOchrRXigR3PNYrzEyiJuxfY81tRlOL6B6yM9fA/9f081f38e86be0ad/47JQ1VTqwPOf1T39eKtecEtxWenjsrgFcf.m8x80Vkw-1776897539-1.2.1.1-LvGZ.846Ol1DSK8U5jlETjCc4.0YwaUwF0RHuQ1.I26QOiFzcltIQTke1v_CDLUr — 200 — 22.8 KiB — 44 ms — h3blob:https://challenges.cloudflare.com/03435366-c688-43ea-9734-99e931900e35challenges.cloudflare.com/03435366-... blob:https://challenges.cloudflare.com/03435366-c688-43ea-9734-99e931900e35 — 200 — -1 B — 13 ms — blob
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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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