speedlify2

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

Charts Compare Measurement runs Embed a score

11tybundle.dev

https://11tybundle.dev/

99 100 100 100 ✓AXE –CWV

Ranks Overall #206 Built Awesome #167

Data from Sep 10, 2026, 9:27 PM UTC old Measured once a week · 4 runs since Aug 20, 2026

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

Stack

Eleventy 4.0.0 Built with Eleventy 4.0.0
Cloudflare Hosted by Cloudflare

Lighthouse Scores

99
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics Lighthouse, mobile

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 Lighthouse
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 2.05 s good ↑ +68 ms (+3.4%) 1.97 s – 2.12 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0 good → no change 0 – 0
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 975 ms good ↓ -20 ms (-2%) 975 ms – 1.04 s
Speed Index 975 ms good ↓ -20 ms (-2%) 975 ms – 1.04 s
TTFB Time to First Byte 626 ms good ↓ -7 ms (-1.1%) 619 ms – 633 ms

LCP Subparts lab observed, unthrottled

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

element render delay 99 ms
time to first byte 27 ms

Page weight

Metric Value Change / range Trend
Page Weight 289 kB ↓ -1.0 kB (-0.4%) 289 kB – 343 kB
Requests 33 ↓ -1 (-2.9%) 32 – 35
Third-party Weight 3.2 kB ↑ +3 B (+0.1%) 3.2 kB – 3.2 kB
Third-party CPU 1 ms ↓ -0 ms (-20%) significant 1 ms – 2 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

  • image 54.7% 154 kB · 22 req
  • font 31.7% 89.1 kB · 4 req
  • document 5.7% 16.0 kB · 1 req
  • script 4% 11.1 kB · 3 req
  • stylesheet 3.9% 11.0 kB · 1 req

Third parties 1 entities

3.2 kB transferred, 1 ms on the main thread.

Fathom Analytics script 3.2 kB · 1 ms CPU

Page health

Metric Value Change / range Trend
Main Thread Work 320 ms ↓ -89 ms (-21.8%) significant 320 ms – 467 ms
Long Tasks 0 ↓ -1 (-100%) significant 0 – 1
DOM Elements 591 ↑ +15 (+2.6%) 570 – 591
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 0
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

other 149 ms
style layout 81 ms
paint composite render 46 ms
script evaluation 23 ms
parse HTML 19 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 1157 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 10, 2026, 9:27 PM UTC 99 2.05 s 0 0 ms 289 kB 3/3 ±24 3,342 +35% 22.8s Wayback
Sep 3, 2026, 7:17 PM UTC 99 1.98 s 0 0 ms 291 kB 3/3 ±5 2,758 +11% 25s Wayback
Aug 27, 2026, 7:04 PM UTC 99 1.97 s 0 0 ms 343 kB 3/3 ±1 2,487 0% 24.3s Wayback
Aug 20, 2026, 4:23 PM UTC 99 2.12 s 0 0 ms 310 kB 3/3 ±4 2,499 +1% 29.5s Wayback

Embed this score

Use this web component to show 11tybundle.dev's scores on any website, updated whenever this instance re-measures. Don’t forget to bundle the speedlify2-score.js component code into your site! 

<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://11tybundle.dev/"></speedlify2-score>