speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time.

Charts Measurement runs Embed a score

istanbul.js.org

https://istanbul.js.org/

74 84 96 100 AXE CWV

Ranks Overall #1,342 Developer Tooling #55 Test Runners #9

Data from Sep 7, 2026, 3:06 PM UTC old Measured every 2 days · 13 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Wayback Machine

Stack

Ph Built with Phenomic 0.16.2
GitHub Pages Hosted by GitHub Pages

Lighthouse Scores

74
Performance
↓ -1 (-1.3%)
84
Accessibility
no change
96
Best Practices
no change
100
SEO
no change

Filmstrip Lighthouse, mobile

How the page drew during the measured load, at 8 points across 3.00 s.

  1. 375 ms
  2. 750 ms
  3. 1.13 s
  4. 1.50 s
  5. 1.88 s
  6. 2.25 s
  7. 2.63 s
  8. 3.00 s

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

0% of pixels differ — they are identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 5.04 s 5.01 s ↑ +23 ms (+0.5%) 2.45 s 5.04 s
CLS Cumulative Layout Shift 0 0.001 ↓ -0.001 (-100%) 0 0.052
TBT Total Blocking Time 326 ms 296 ms ↑ +30 ms (+10.1%) 69 ms 326 ms
FCP First Contentful Paint 1.62 s 1.64 s ↓ -17 ms (-1%) 1.53 s 1.69 s
Speed Index 1.62 s 1.64 s ↓ -17 ms (-1%) 1.53 s 3.41 s
TTFB Time to First Byte 612 ms 619 ms ↓ -7 ms (-1.1%) 612 ms 759 ms

LCP Subparts lab observed, unthrottled

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

element render delay 120 ms
time to first byte 13 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 570 kB 570 kB ↓ -39 B 567 kB 576 kB
Requests 11 11 → no change 11 12
Third-party Weight 0 B 0 B → no change 0 B 0 B
Third-party CPU 0 ms 0 ms → no change 0 ms 0 ms
Unused JS 66.4 kB 66.4 kB → no change 66.4 kB 68.7 kB
Unused CSS 0 B 0 B → no change 0 B 0 B

By resource type

  • script 57.8% 329 kB · 4 req
  • image 40.3% 230 kB · 3 req
  • document 1.6% 8.9 kB · 2 req
  • stylesheet 0.3% 1.8 kB · 1 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 714 ms 707 ms ↑ +6 ms (+0.9%) 459 ms 793 ms
Long Tasks 2 2 → no change 1 3
DOM Elements 68 68 → no change 68 68
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 12 12 → no change 12 12
A11y Failures 3 3 → no change 3 3
A11y Failing Nodes 10 10 → no change 10 10

Main thread work

script evaluation 236 ms
style layout 188 ms
script parse compile 167 ms
other 103 ms
parse HTML 14 ms
paint composite render 7 ms

Axe violations axe-core 4.13.0, full rule set

12 violating nodes across 4 rules, 166 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 8 nodes
  • moderate landmark-one-main — Document should have one main landmark 2 nodes
  • serious frame-title — Frames must have an accessible name 1 node
  • moderate region — All page content should be contained by landmarks 1 node

Accessibility failures 3 of 15 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 8 nodes
  • frame-title — `<frame>` or `<iframe>` elements do not have a title 1 node
  • landmark-one-main — Document does not have a main landmark. 1 node

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
Sep 7, 2026, 3:06 PM UTC 74 5.04 s 0 326 ms 570 kB 3/3 ±2 2,487 0% 26.1s Wayback
Sep 5, 2026, 3:12 AM UTC 75 5.01 s 0.001 296 ms 570 kB 3/3 ±1 2,474 0% 26.2s Wayback
Sep 4, 2026, 12:48 AM UTC 76 4.99 s 0 248 ms 570 kB 3/3 ±6 2,324 -6% 25.2s Wayback
Sep 2, 2026, 11:00 PM UTC 96 2.45 s 0.042 92 ms 570 kB 3/3 ±19 2,888 +16% 26.1s Wayback
Sep 1, 2026, 8:42 PM UTC 81 4.86 s 0.001 111 ms 570 kB 3/3 ±23 2,327 -6% 27.4s Wayback
Aug 31, 2026, 6:02 PM UTC 75 5.01 s 0 294 ms 570 kB 3/3 ±21 2,463 -1% 25.6s Wayback
Aug 27, 2026, 2:30 PM UTC 74 5.02 s 0.042 298 ms 567 kB 3/3 ±3 2,475 0% 25.1s Wayback
Aug 26, 2026, 4:39 AM UTC 94 2.87 s 0 86 ms 570 kB 3/3 ±20 3,002 +21% 23.7s Wayback
Aug 25, 2026, 3:54 AM UTC 76 5.00 s 0 269 ms 570 kB 3/3 ±21 2,426 -2% 24s Wayback
Aug 24, 2026, 3:03 AM UTC 74 5.04 s 0 310 ms 576 kB 3/3 ±19 2,468 -1% 25.6s Wayback
Aug 23, 2026, 3:01 AM UTC 94 2.87 s 0 69 ms 571 kB 3/3 ±22 3,546 +43% 26.1s Wayback
Aug 22, 2026, 2:52 AM UTC 74 5.02 s 0.042 304 ms 570 kB 3/3 ±4 2,501 +1% 27s Wayback
Aug 21, 2026, 1:15 AM UTC 79 4.95 s 0.052 94 ms 576 kB 3/3 ±19 2,490 0% 26.3s Wayback