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https://rogerebert.com

Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
93
GRADE
A
FIX
2
REVIEW
0
PASS
11
INFO
1

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

Mobile Desktop
100
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.

240 ms

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

695 ms

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

3 ms

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.

345 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.

695 ms

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
11 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 (399.0 KiB of 495.7 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
496 KB transferred, 20 requests
PASS
496 KB transferred, 20 requests
Info::
Page weighs 917 KB (496 KB transferred)
Info::
20 HTTP requests
Info::
Estimated 0.10 g CO2 per page load
496 KB / 2.4 MB budget
496 KB transferred
20 requests
0.10 g CO2 per page load
Other 289.3 KiB 58%
HTML 106.1 KiB 21%
JavaScript 88.0 KiB 18%
Images 9.6 KiB 2%
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 10 KB
0 oversized -0 KB
3 legacy format
0 missing dimensions CLS risk
A+
JS Execution Cost
217ms total JS execution
PASS
217ms total JS execution
Info::
https://rogerebert.com/cdn-cgi/challenge-platform/...: 217ms CPU time

Main Thread Breakdown

Script Evaluation 71% Other 19% Style & Layout 6%
ScriptTotalScriptingParse/CompileParty
https://rogerebert.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f081f834821d0bf217ms206ms4ms1st
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=9f081f834821d0bf71 KB—✓1st
blob:https://rogerebert.com/55fd5cc9-bb66-48a5-802f-93e99641c6700 KB—✓3rd
https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicit17 KB—✓3rd
blob:https://rogerebert.com/532714f5-4465-4630-950e-9efdb0c21976-0 KB—✓3rd
blob:https://challenges.cloudflare.com/64b21d56-80a7-4387-99d2-f34c53b1871d0 KB—✓3rd
blob:https://challenges.cloudflare.com/0db90818-77a2-48e9-b377-b8d2f6c3f0e7-0 KB—✓3rd
blob:https://challenges.cloudflare.com/0db90818-77a2-48e9-b377-b8d2f6c3f0e7-0 KB—✓3rd
blob:https://challenges.cloudflare.com/cc93959a-8059-4dd9-a1ad-6a777f7b67f6-0 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 · 496 KB · 0 KB savings available
PASS
20 resources · 496 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 496 KB
Warning::
13 third-party resources (80% of weight)
Info::
1 resources over 200KB
20 resources · 495.7 KiB · 13 third-party Within 1MB page-weight target
Other 59% · 291.0 KiB
Document 22% · 107.1 KiB
JavaScript 18% · 88.0 KiB
Image 2% · 9.6 KiB
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 2780ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 240 ms LCP 695 mshttps://rogerebert.com// https://rogerebert.com/ — 403 — 1.3 KiB — 81 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 — 8.6 KiB — 28 ms — h3https://rogerebert.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f081f834821d0bf/cdn-cgi/challenge-platform/h/b/orc... https://rogerebert.com/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f081f834821d0bf — 200 — 70.6 KiB — 63 ms — h3blob:https://rogerebert.com/55fd5cc9-bb66-48a5-802f-93e99641c670rogerebert.com/55fd5cc9-bb66-48a5-8... blob:https://rogerebert.com/55fd5cc9-bb66-48a5-802f-93e99641c670 — -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 — 63 ms — h3https://rogerebert.com/favicon.ico/favicon.ico https://rogerebert.com/favicon.ico — 403 — 1.3 KiB — 41 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/9f081f834821d0bf/N6nrIJCVTX2Rnist_YRyWsojA9V2mbuIhqPNdAbqLes-1776897551-1.2.1.1-8Uzx0CGiAwlRJbPt2hH_7QR5ePS8daLnUhrCH1qsnTItAju7NHmHCJHiPEc1tjLD/cdn-cgi/challenge-platform/h/b/flo... https://rogerebert.com/cdn-cgi/challenge-platform/h/b/flow/ov1/2745934750:1776895631:NxEosYmLaAWuW0xG9JSRvOdfMvuQUXMoCt2KKdp2IzA/9f081f834821d0bf/N6nrIJCVTX2Rnist_YRyWsojA9V2mbuIhqPNdAbqLes-1776897551-1.2.1.1-8Uzx0CGiAwlRJbPt2hH_7QR5ePS8daLnUhrCH1qsnTItAju7NHmHCJHiPEc1tjLD — 200 — 13.8 KiB — 42 ms — h3blob:https://rogerebert.com/532714f5-4465-4630-950e-9efdb0c21976rogerebert.com/532714f5-4465-4630-9... blob:https://rogerebert.com/532714f5-4465-4630-950e-9efdb0c21976 — 200 — -1 B — 29 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/f/ov2/av0/rch/d582d/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/d582d/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto — 200 — 96.3 KiB — 102 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 — 22 ms — h3blob:https://challenges.cloudflare.com/64b21d56-80a7-4387-99d2-f34c53b1871dchallenges.cloudflare.com/64b21d56-... blob:https://challenges.cloudflare.com/64b21d56-80a7-4387-99d2-f34c53b1871d — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/127823667:1776895633:NE5HXOchrRXigR3PNYrzEyiJuxfY81tRlOL6B6yM9fA/9f081f85b8969e75/td4dRs2Rw6IMjjzpMGlfDnlYNGtrMrOLIQtw0emPBb0-1776897552-1.2.1.1-s5SQ7cE.XG73jGR0AkmFSU8v6px7K5rDXSMgB2Z8ruiA597LT_5ViqHdSZsxsaC2challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/127823667:1776895633:NE5HXOchrRXigR3PNYrzEyiJuxfY81tRlOL6B6yM9fA/9f081f85b8969e75/td4dRs2Rw6IMjjzpMGlfDnlYNGtrMrOLIQtw0emPBb0-1776897552-1.2.1.1-s5SQ7cE.XG73jGR0AkmFSU8v6px7K5rDXSMgB2Z8ruiA597LT_5ViqHdSZsxsaC2 — 200 — 252.7 KiB — 145 ms — h3blob:https://challenges.cloudflare.com/0db90818-77a2-48e9-b377-b8d2f6c3f0e7challenges.cloudflare.com/0db90818-... blob:https://challenges.cloudflare.com/0db90818-77a2-48e9-b377-b8d2f6c3f0e7 — 200 — -1 B — 72 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f081f85b8969e75/1776897552581/C3dp7Ta24z1Tt-Wchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f081f85b8969e75/1776897552581/C3dp7Ta24z1Tt-W — 200 — 8.1 KiB — 23 ms — h3blob:https://challenges.cloudflare.com/0db90818-77a2-48e9-b377-b8d2f6c3f0e7challenges.cloudflare.com/0db90818-... blob:https://challenges.cloudflare.com/0db90818-77a2-48e9-b377-b8d2f6c3f0e7 — 200 — -1 B — 9 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f081f85b8969e75/1776897552581/be11a8d78cc1a81bfaab58760558adf6aabf3a41f05a6796571a7009a89ad247/A3Iem2OOy5-EVHZchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f081f85b8969e75/1776897552581/be11a8d78cc1a81bfaab58760558adf6aabf3a41f05a6796571a7009a89ad247/A3Iem2OOy5-EVHZ — 401 — 1.7 KiB — 21 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/127823667:1776895633:NE5HXOchrRXigR3PNYrzEyiJuxfY81tRlOL6B6yM9fA/9f081f85b8969e75/td4dRs2Rw6IMjjzpMGlfDnlYNGtrMrOLIQtw0emPBb0-1776897552-1.2.1.1-s5SQ7cE.XG73jGR0AkmFSU8v6px7K5rDXSMgB2Z8ruiA597LT_5ViqHdSZsxsaC2challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/127823667:1776895633:NE5HXOchrRXigR3PNYrzEyiJuxfY81tRlOL6B6yM9fA/9f081f85b8969e75/td4dRs2Rw6IMjjzpMGlfDnlYNGtrMrOLIQtw0emPBb0-1776897552-1.2.1.1-s5SQ7cE.XG73jGR0AkmFSU8v6px7K5rDXSMgB2Z8ruiA597LT_5ViqHdSZsxsaC2 — 200 — 22.8 KiB — 51 ms — h3blob:https://challenges.cloudflare.com/cc93959a-8059-4dd9-a1ad-6a777f7b67f6challenges.cloudflare.com/cc93959a-... blob:https://challenges.cloudflare.com/cc93959a-8059-4dd9-a1ad-6a777f7b67f6 — 200 — -1 B — 14 ms — blob
HTML JavaScript CSS Images Fonts XHR/Fetch Other
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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