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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

mxb.dev

https://mxb.dev/

100 100 100 100 AXE CWV

Ranks Overall #31 Built Awesome #27

Data from Sep 5, 2026, 8:07 PM UTC old Measured once a week · 3 runs since Aug 21, 2026

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

The measuring machine was faster than most in this project.

Lighthouse benchmark index was 3,389, 37% faster than this project's median of 2,481. CPU-bound metrics — TBT, TTI, main thread work — are affected by this and may have moved without the site changing at all.

Stack

Eleventy 3.0.0 Built with Eleventy 3.0.0
Netlify Hosted by Netlify

Lighthouse Scores

100
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
↑ +8 (+8.7%)

Metrics Lighthouse, mobile Chrome UX Report

Core Web Vitals: passing 2 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-07 → 2026-09-03), url-level.

Metric Lab Lighthouse Field Chrome UX Report
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 1.45 s good ↑ +144 ms (+11.1%) 1.30 s – 1.98 s 1.13 s good 93.5% 4.6% 1.8%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a
CLS CWV Cumulative Layout Shift 0 good → no change 0 – 0 0 good 96.6% 3.4% 0%
TBT Total Blocking Time 0 ms good ↓ -33 ms (-100%) 0 ms – 33 ms n/a
FCP First Contentful Paint 922 ms good ↓ -6 ms (-0.6%) 904 ms – 928 ms 1.07 s good 87.5% 5.3% 7.2%
Speed Index 922 ms good ↓ -6 ms (-0.6%) 904 ms – 928 ms n/a
TTFB Time to First Byte 622 ms good ↓ -6 ms (-1%) 604 ms – 628 ms 739 ms good 78.9% 15.5% 5.6%

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 62 ms
resource load duration 24 ms
time to first byte 23 ms
resource load delay 8 ms

Lab LCP vs Field LCP Chrome UX Report

Lab 1.45 s
Field p75 1.13 s

The lab LCP is 1.29× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 215 kB ↑ +130.4 kB (+164.2%) 81.3 kB – 215 kB
Requests 19 ↑ +2 (+11.8%) 17 – 19
Third-party Weight 0 B → no change 0 B – 0 B
Third-party CPU 0 ms → no change 0 ms – 0 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 39.7% 85.3 kB · 8 req
  • other 30.7% 65.9 kB · 5 req
  • font 14.7% 31.6 kB · 1 req
  • script 6.1% 13.1 kB · 1 req
  • stylesheet 5% 10.8 kB · 2 req
  • document 3.8% 8.1 kB · 1 req

Without JavaScript

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

Scripts disabled
As rendered

8.6% of pixels differ — they are nearly identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Page health

Metric Value Change / range Trend
Main Thread Work 252 ms ↓ -279 ms (-52.5%) 252 ms – 531 ms
Long Tasks 0 ↓ -1 (-100%) 0 – 1
DOM Elements 297 → no change 297 – 297
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 125 ms
style layout 69 ms
script evaluation 33 ms
parse HTML 13 ms
paint composite render 11 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 355 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

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-09-05 1.16 s 0 1.18 s 755 ms
2026-08-29 1.24 s 0 1.24 s 803 ms
2026-08-22 1.49 s 0 1.41 s 864 ms
2026-08-15 1.49 s 0 1.49 s 961 ms
2026-08-08 1.40 s 0 1.37 s 942 ms
2026-08-01 1.25 s 0 1.18 s 864 ms
2026-07-25 1.07 s 0 1.01 s 710 ms
2026-07-18 1.12 s 0 1.11 s 710 ms
2026-07-11 1.42 s 0 1.35 s 805 ms
2026-07-04 1.47 s 0 1.45 s 837 ms
2026-06-27 1.52 s 0 1.48 s 805 ms
2026-06-20 1.46 s 0 1.35 s 881 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 5, 2026, 8:07 PM UTC 100 1.45 s 0 0 ms 215 kB 3/3 ±1 3,389 +37% 22.4s Wayback
Aug 29, 2026, 7:46 PM UTC 100 1.30 s 0 33 ms 81.3 kB 2/3 ±0 2,462 -1% 316.5s Wayback
Aug 21, 2026, 4:47 AM UTC 99 1.98 s 0 0 ms 215 kB 3/3 ±4 2,472 0% 21.5s Wayback

Embed this score

Use this web component to show mxb.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://mxb.dev/"></speedlify2-score>