speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time. Follow us on Mastodon or Bluesky.

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eleventy-html5up-txt.appseed.us

https://eleventy-html5up-txt.appseed.us/

76PERF 63A11Y 96BEST 100SEO ✗AXE –CWV

Ranks Overall #1,591 Built Awesome #1,054

Data from Sep 19, 2026, 3:18 AM UTC old, older than this category's 14 days freshness target Measured once a week · 15 runs since Aug 20, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Tame the Bots · Scoring Calculator · Wayback Machine

The most recent attempt failed (10 in a row). CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests.

Numbers below are from the last successful run, old.

Retries are backing off, so this site is being attempted less often than the rest.

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Self-hosted · Apache Hosted by Self-hosted

Lighthouse Scores LAB Simulated

76
Performance
↓ -4 (-5%)
63
Accessibility
no change
96
Best Practices
no change
100
SEO
no change

Metrics LAB

No field data: the Chrome UX Report is not being collected for this project, so every figure below is from the Lighthouse run.

Metric Lab Simulated
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 5.37 s poor ↑ +11 ms (+0.2%) 5.34 s – 5.39 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0.036 good → no change 0.036 – 0.036
TBT Total Blocking Time 2 ms good ↑ +2 ms 0 ms – 2 ms
FCP First Contentful Paint 2.67 s needs work ↑ +1079 ms (+68%) 1.57 s – 2.67 s
Speed Index 2.67 s good ↑ +1079 ms (+68%) 1.57 s – 2.67 s
TTFB Time to First Byte 665 ms good ↑ +6 ms (+0.9%) 643 ms – 665 ms

LCP Subparts LAB Unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab LCP shown above is a simulated throttled estimate.

resource load delay 251 ms
resource load duration 87 ms
time to first byte 47 ms
element render delay 25 ms

Page weight

Metric Value Change / range Trend
Page Weight 698 kB ↓ -23 B 698 kB – 698 kB
Requests 24 → no change 24 – 25
Third-party Weight 55.6 kB → no change 55.6 kB – 55.6 kB
Third-party CPU 0 ms → no change 0 ms – 0 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 11.7 kB → no change 11.7 kB – 11.7 kB

By resource type

Type Transfer Share Size Requests
image 60.1% 420 kB 8
font 31.1% 217 kB 5
script 5.4% 37.7 kB 7
stylesheet 3% 21.1 kB 3
document 0.3% 2.4 kB 1
Total 698 kB 24

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Google Fonts font 55.6 kB 0 ms
Total 55.6 kB 0 ms

Page health

Metric Value Change / range Trend
Main Thread Work 387 ms ↑ +11 ms (+2.8%) 354 ms – 387 ms
Long Tasks 1 ↑ +1 0 – 1
DOM Elements 254 → no change 254 – 254
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 47 → no change 47 – 47
A11y Failures 5 → no change 5 – 5
A11y Failing Nodes 40 → no change 40 – 40

Main thread work

Task Time Share Duration Simulated
other 36% 139 ms
style layout 27% 104 ms
script evaluation 20% 79 ms
paint composite render 7% 27 ms
parse HTML 6% 25 ms
script parse compile 4% 14 ms
Total 387 ms

Axe violations axe-core 4.13.0, full rule set

47 violating nodes across 7 rules, 348 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 23 nodes
  • serious link-name — Links must have discernible text 14 nodes
  • moderate region — All page content should be contained by landmarks 6 nodes
  • serious html-has-lang — <html> element must have a lang attribute 1 node
  • moderate landmark-one-main — Document should have one main landmark 1 node
  • moderate meta-viewport — Zooming and scaling must not be disabled 1 node
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node

Accessibility failures 5 of 14 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 23 nodes
  • link-name — Links do not have a discernible name 14 nodes
  • html-has-lang — `<html>` element does not have a `[lang]` attribute 1 node
  • meta-viewport — `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. 1 node
  • landmark-one-main — Document does not have a main landmark. 1 node

Best Practices failures 1 of 20 audits

  • errors-in-console — Browser errors were logged to the console 2 items

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 2 console errors

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 9, 2026, 10:23 AM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 16.9s
Oct 8, 2026, 2:39 AM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 17.9s
Oct 7, 2026, 2:10 AM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 17.6s
Oct 3, 2026, 11:41 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 16.5s
Oct 1, 2026, 2:20 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 16.6s
Sep 30, 2026, 3:43 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 17.8s
Sep 30, 2026, 1:06 AM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 16.7s
Sep 29, 2026, 5:54 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 17.8s
Sep 26, 2026, 2:11 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 18s
Sep 26, 2026, 3:50 AM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 18.6s
Sep 19, 2026, 3:18 AM UTC 76 5.37 s 0.036 2 ms 698 kB 3/3 ±3 2,465 -1% 24.3s Wayback
Sep 12, 2026, 1:02 AM UTC 80 5.36 s 0.036 0 ms 698 kB 3/3 ±4 2,246 -10% 25.1s Wayback
Sep 4, 2026, 11:45 PM UTC 76 5.35 s 0.036 0 ms 698 kB 3/3 ±1 2,483 0% 25.1s Wayback
Aug 28, 2026, 11:24 PM UTC 80 5.34 s 0.036 0 ms 698 kB 3/3 ±5 2,268 -9% 25.7s Wayback
Aug 20, 2026, 9:29 PM UTC 76 5.39 s 0.036 0 ms 698 kB 3/3 ±1 2,480 0% 25.4s Wayback

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<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://eleventy-html5up-txt.appseed.us/"></speedlify2-score>