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.

Charts Compare Measurement runs Embed a score Open to Work

simpleerb.com

https://www.simpleerb.com/

75PERF 86A11Y 77BEST 100SEO !AXE ✓CWV

Ranks Overall #1,107 Built Awesome #772

Data from Sep 29, 2026, 5:54 PM UTC old Measured once a week · 8 runs since Aug 21, 2026

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

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

Stack

Eleventy 2.0.1 Built with Eleventy 2.0.1
Uses Alpine.js 3.10.0Alpine.js 3.10.0
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

75
Performance
↓ -23 (-23.5%)
86
Accessibility
no change
77
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

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

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-31 → 2026-09-27), url-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 4.67 s poor ↑ +3462 ms (+287.8%) significant 1.20 s – 5.92 s 906 ms good 95% 2.9% 2.1%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 117 ms good 90.7% 9.2% 0.1%
CLS CWV Cumulative Layout Shift 0 good → no change 0 – 0 0 good 99.7% 0% 0.3%
TBT Total Blocking Time 371 ms needs work ↑ +206 ms (+124.8%) significant 165 ms – 396 ms n/a —
FCP First Contentful Paint 978 ms good ↑ +43 ms (+4.6%) 935 ms – 995 ms 880 ms good 93.3% 2.8% 3.9%
Speed Index 978 ms good ↑ +43 ms (+4.6%) 935 ms – 995 ms n/a —
TTFB Time to First Byte 606 ms good ↓ -18 ms (-2.9%) 604 ms – 630 ms 487 ms good 86.9% 8.8% 4.4%

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.

element render delay 71 ms
time to first byte 8 ms

LCP LAB Simulated vs LCP FIELD

Lab 4.67 s
Field p75 906 ms

The lab LCP is 5.15× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 1.39 MB ↑ +13.5 kB (+1%) 1.34 MB – 1.39 MB
Requests 20 → no change 20 – 20
Third-party Weight 603 kB ↑ +13.4 kB (+2.3%) 559 kB – 603 kB
Third-party CPU 253 ms ↑ +84 ms (+49.5%) significant 169 ms – 253 ms
Unused JS 222 kB ↑ +1.9 kB (+0.9%) 210 kB – 222 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 51.5% 713 kB 3
script 44.8% 620 kB 8
document 2% 28.1 kB 2
other 1% 14.3 kB 5
stylesheet 0.7% 10.2 kB 1
Total 1.39 MB 20

Third parties 6 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 361 kB 122 ms
Facebook script 203 kB 105 ms
Google Analytics 20.9 kB 11 ms
Twitter Online Conversion Tracking 17.5 kB 15 ms
Twitter Short URL 158 B 0 ms
All 6 603 kB 253 ms

Page health

Metric Value Change / range Trend
Main Thread Work 1.57 s ↑ +430 ms (+37.7%) significant 1.14 s – 1.70 s
Long Tasks 8 ↑ +2 (+33.3%) significant 6 – 9
DOM Elements 766 → no change 683 – 766
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 3 → no change 2 – 3
A11y Failures 3 → no change 3 – 3
A11y Failing Nodes 3 → no change 3 – 3

Main thread work

Task Time Share Duration Simulated
script evaluation 62% 976 ms
other 12% 192 ms
script parse compile 11% 176 ms
style layout 6% 96 ms
parse HTML 5% 77 ms
garbage collection 2% 39 ms
paint composite render 1% 16 ms
Total 1.57 s

Axe violations axe-core 4.13.0, full rule set

3 violating nodes across 3 rules, 805 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • critical button-name — Buttons must have discernible text 1 node
    Offending element
    1. .text-gray-600
      <button @click="open = !open" class="text-gray-600 hover:text-gray-900 focus:outline-none p-2"> <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"> <path stroke-linecap="round…
  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node
    Offending element
    1. .text-violet-500 > span
      <span>Book an online Demo</span>
  • moderate heading-order — Heading levels should only increase by one 1 node
    Offending element
    1. .z-10.text-center.w-full > .text-2xl
      <h3 class="mt-4 text-2xl tracking-tight font-extrabold text-gray-900 sm:text-4xl"> Book, Manage and Fill Every Table </h3>

Accessibility failures 3 of 21 audits

  • button-name — Buttons do not have an accessible name 1 node
  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node
  • heading-order — Heading elements are not in a sequentially-descending order 1 node

Best Practices failures 2 of 18 audits

  • third-party-cookies — Uses third-party cookies 8 items
  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 1 item

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
2026-09-26 906 ms 116 ms 0 874 ms 487 ms
2026-09-19 925 ms 112 ms 0 894 ms 534 ms
2026-09-12 901 ms 102 ms 0 874 ms 500 ms
2026-09-05 866 ms — 0 836 ms 459 ms
2026-08-29 857 ms — 0 826 ms 451 ms
2026-08-22 833 ms 100 ms 0 810 ms 431 ms
2026-08-15 847 ms 103 ms 0 821 ms 413 ms
2026-08-08 868 ms 101 ms 0 830 ms 407 ms
2026-08-01 874 ms 96 ms 0 829 ms 400 ms
2026-07-25 912 ms 96 ms 0 838 ms 401 ms
2026-07-18 862 ms 91 ms 0 800 ms 400 ms
2026-07-11 857 ms 90 ms 0 762 ms 393 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 29, 2026, 5:54 PM UTC 75 4.67 s 0 371 ms 1.39 MB 3/3 ±16 2,182 -12% 29.2s Wayback
Sep 22, 2026, 2:31 PM UTC 98 1.20 s 0 165 ms 1.37 MB 3/3 ±6 3,273 +32% 27.9s Wayback
Sep 15, 2026, 11:22 AM UTC 90 1.26 s 0 396 ms 1.37 MB 3/3 ±26 2,301 -7% 30.4s Wayback
Sep 8, 2026, 10:50 AM UTC 71 5.92 s 0 338 ms 1.35 MB 3/3 ±22 2,497 0% 28.2s Wayback
Sep 1, 2026, 7:26 AM UTC 77 4.66 s 0 302 ms 1.35 MB 3/3 ±3 2,246 -10% 28.5s Wayback
Aug 31, 2026, 10:40 AM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 25.2s
Aug 21, 2026, 6:41 PM UTC 77 4.66 s 0 297 ms 1.34 MB 3/3 ±18 2,330 -6% 28.3s Wayback
Aug 21, 2026, 11:36 AM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 23.3s

Embed this score

Use this web component to show simpleerb.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!

<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://www.simpleerb.com/"></speedlify2-score>