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

zachleat.com

https://www.zachleat.com/

100 100 100 100 ✓AXE ✓CWV

Ranks Overall #53 Built Awesome #46 zachleat #2

Data from Sep 7, 2026, 7:01 PM UTC old Measured once a week · 6 runs since Aug 21, 2026

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

Stack

Build Awesome 4.0.0 Built with Build Awesome 4.0.0
Netlify Hosted by Netlify

Core Web Vitals field data, origin-level

Real Chrome users, 28-day window (2026-08-09 → 2026-09-05).

LCP 1.27 s good
INP — no data
CLS 0 good

Lighthouse Scores

100
Performance
↑ +1 (+1%)
100
Accessibility
no change
100
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 1.70 s 1.69 s ↑ +7 ms (+0.4%) 1.69 s 2.18 s
CLS Cumulative Layout Shift 0.001 0.001 → no change 0.001 0.001
TBT Total Blocking Time 0 ms 0 ms → no change 0 ms 0 ms
FCP First Contentful Paint 982 ms 1.69 s ↓ -710 ms (-42%) significant 982 ms 1.71 s
Speed Index 982 ms 1.69 s ↓ -710 ms (-42%) significant 982 ms 1.71 s
TTFB Time to First Byte 633 ms 635 ms ↓ -2 ms (-0.3%) 607 ms 635 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 93 ms
time to first byte 35 ms

Field data Chrome UX Report, origin-level

Real Chrome users, 28-day trailing window (2026-08-09 → 2026-09-05).

Metric p75 Rating Distribution (good / needs work / poor)
LCP CWV 1.27 s good 90.3% good
CLS CWV 0 good 98.8% good
FCP 1.11 s good 92.1% good
TTFB 831 ms needs-improvement 74.8% good

Lab LCP vs Field LCP

Lab 1.70 s
Field p75 1.27 s

The lab LCP is 1.33× the field p75 — real users likely have above-average hardware or network connectivity.

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-09-05 1.27 s — 0 1.11 s 831 ms
2026-08-29 1.19 s — 0 1.05 s 747 ms
2026-08-22 1.11 s — 0 1.04 s 693 ms
2026-08-15 1.08 s — 0 1.01 s 693 ms
2026-08-08 1.15 s — 0 1.08 s 703 ms
2026-08-01 1.09 s — 0 1.04 s 693 ms
2026-05-23 → 2026-07-25 No data — 10 weeks under the CrUX reporting threshold
2026-05-16 846 ms — 0 741 ms 557 ms
2026-04-11 → 2026-05-09 No data — 5 weeks under the CrUX reporting threshold
2026-04-04 1.19 s — 0 920 ms 616 ms
2026-03-28 1.09 s — 0 856 ms 575 ms
2026-03-21 1.19 s — 0 955 ms 693 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 129 kB 144 kB ↓ -15.2 kB (-10.7%) significant 129 kB 144 kB
Requests 24 26 ↓ -2 (-7.7%) significant 24 26
Third-party Weight 28.1 kB 37.9 kB ↓ -9.6 kB (-26%) significant 28.1 kB 37.9 kB
Third-party CPU 3 ms 3 ms ↓ -0 ms (-3.3%) 2 ms 5 ms
Unused JS 0 B 0 B → no change 0 B 0 B
Unused CSS 0 B 10.3 kB ↓ -10.0 kB (-100%) significant 0 B 10.3 kB

By resource type

  • font 43.4% 55.9 kB · 4 req
  • image 23.7% 30.6 kB · 11 req
  • document 18.1% 23.4 kB · 1 req
  • script 9.2% 11.8 kB · 4 req
  • other 3.2% 4.2 kB · 3 req
  • stylesheet 2.4% 3.1 kB · 1 req

Third parties 3 entities

28.1 kB transferred, 3 ms on the main thread.

11ty.dev image 23.4 kB · 0 ms CPU
zgo.at script 4.3 kB · 3 ms CPU
goatcounter.com 381 B · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 369 ms 453 ms ↓ -84 ms (-18.5%) 326 ms 453 ms
Long Tasks 0 0 → no change 0 0
DOM Elements 466 516 ↓ -50 (-9.7%) significant 466 525
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 0 → no change 0 0
A11y Failures 0 0 → no change 0 1
A11y Failing Nodes 0 0 → no change 0 1

Main thread work

other 133 ms
style layout 112 ms
script evaluation 64 ms
paint composite render 31 ms
parse HTML 27 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 541 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 7, 2026, 7:01 PM UTC 100 1.70 s 0.001 0 ms 129 kB 3/3 ±10 2,477 0% 24.8s Wayback
Aug 31, 2026, 5:54 PM UTC 99 1.69 s 0.001 0 ms 144 kB 3/3 ±8 2,486 0% 26.3s Wayback
Aug 24, 2026, 3:38 PM UTC 98 1.98 s 0.001 0 ms 144 kB 3/3 ±9 2,861 +15% 25.2s Wayback
Aug 23, 2026, 3:20 PM UTC 98 2.18 s 0.001 0 ms 144 kB 3/3 ±10 2,360 -5% 27.9s Wayback
Aug 22, 2026, 3:19 PM UTC 100 1.69 s 0.001 0 ms 137 kB 3/3 ±0 2,490 0% 23.9s Wayback
Aug 21, 2026, 2:42 PM UTC 99 1.96 s 0.001 0 ms 135 kB 3/3 ±1 2,493 +1% 26.1s Wayback

Embed this score

Use this web component to show zachleat.com'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! 

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