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

starter.buildawesome.one

https://starter.buildawesome.one/

83 81 100 82 AXE CWV

Ranks Overall #1,425 Build Awesome Starters #157

Data from Sep 16, 2026, 3:31 AM UTC old Measured once a week · 3 runs since Sep 1, 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

Build Awesome Built with Build Awesome
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

83
Performance
↓ -6 (-6.7%)
81
Accessibility
no change
100
Best Practices
no change
82
SEO
no change

Metrics LAB

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 Simulated
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 3.11 s needs work ↑ +527 ms (+20.4%) 2.20 s – 3.11 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a
CLS CWV (estimate) Cumulative Layout Shift 0.116 needs work ↓ -0.021 (-15.3%) significant 0.116 – 0.138
TBT Total Blocking Time 252 ms needs work ↑ +156 ms (+162.5%) 96 ms – 252 ms
FCP First Contentful Paint 2.31 s needs work ↑ +29 ms (+1.3%) 1.84 s – 2.31 s
Speed Index 2.31 s good ↑ +29 ms (+1.3%) 1.84 s – 2.31 s
TTFB Time to First Byte 649 ms good ↑ +23 ms (+3.7%) 626 ms – 649 ms

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 79 ms
time to first byte 51 ms

Page weight

Metric Value Change / range Trend
Page Weight 507 kB ↑ +993 B (+0.2%) 506 kB – 510 kB
Requests 24 → no change 24 – 33
Third-party Weight 500 kB ↑ +1020 B (+0.2%) 499 kB – 503 kB
Third-party CPU 142 ms ↑ +51 ms (+55.9%) 91 ms – 145 ms
Unused JS 143 kB ↑ +369 B (+0.3%) 142 kB – 143 kB
Unused CSS 40.1 kB → no change 40.1 kB – 40.1 kB

By resource type

Type Transfer Share Size Requests
script 64.7% 316 kB 7
font 23.7% 116 kB 1
stylesheet 10.1% 49.4 kB 5
document 0.9% 4.5 kB 4
image 0.4% 1.9 kB 3
other 0.1% 401 B 2
Total 507 kB 24

Third parties 7 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 301 kB 126 ms
JSDelivr CDN fontstylesheet 176 kB 13 ms
blades.ninja 16.9 kB 0 ms
zgo.at 4.4 kB 3 ms
shields.io 1.3 kB 0 ms
All 7 500 kB 142 ms

Without JavaScript

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

Scripts disabled
As rendered

9% 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 1.15 s ↑ +337 ms (+41.5%) 812 ms – 1.20 s
Long Tasks 4 ↑ +1 (+33.3%) 3 – 5
DOM Elements 155 → no change 155 – 175
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 7 → no change 7 – 12
A11y Failures 3 → no change 3 – 3
A11y Failing Nodes 7 → no change 7 – 12

Main thread work

Task Time Share Duration Simulated
script evaluation 46% 523 ms
other 20% 235 ms
style layout 17% 195 ms
script parse compile 11% 126 ms
parse HTML 3% 35 ms
paint composite render 3% 29 ms
garbage collection 1% 6 ms
Total 1.15 s

Axe violations axe-core 4.13.0, full rule set

7 violating nodes across 3 rules, 263 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • critical image-alt — Images must have alternative text 3 nodes
  • serious object-alt — <object> elements must have alternative text 3 nodes
  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node

Accessibility failures 3 of 19 audits

  • image-alt — Image elements do not have `[alt]` attributes 3 nodes
  • object-alt — `<object>` elements do not have alternate text 3 nodes
  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node

SEO failures 2 of 8 audits

  • meta-description — Document does not have a meta description
  • image-alt — Image elements do not have `[alt]` attributes 3 items

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 16, 2026, 3:31 AM UTC 83 3.11 s 0.116 252 ms 507 kB 3/3 ±9 2,483 0% 30.5s Wayback
Sep 8, 2026, 11:51 PM UTC 89 2.58 s 0.137 96 ms 506 kB 3/3 ±11 2,963 +19% 33.9s Wayback
Sep 1, 2026, 10:40 PM UTC 89 2.20 s 0.138 193 ms 510 kB 3/3 ±6 2,675 +8% 31s Wayback

Embed this score

Use this web component to show starter.buildawesome.one'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://starter.buildawesome.one/"></speedlify2-score>