speedlify2

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

Measurement runs · Embed a score · Field data from the Chrome UX Report ·

bholmes.dev

https://bholmes.dev/

90 100 100 100 CWV 0AXE

Data from Aug 20, 2026, 7:07 PM UTC — 23h old.

11ty Emeritus · 1 measurement · since Aug 20, 2026 · last attempt 23h

Stack

Detected on the same page load as the accessibility pass — the generator from <meta name="generator"> or the shape of the page, the host from response headers.

Astro Built with Astro
Netlify Hosted by Netlify

Core Web Vitals field data, origin-level

Real Chrome users, 28-day window (2026-07-19 → 2026-08-15). From the backfilled CrUX history rather than this measurement, which predates the API key. This is what Google measures you on.

LCP no data
INP no data
CLS no data

Scores

90
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 3.48 s 3.48 s 3.48 s
CLS Cumulative Layout Shift 0 0 0
TBT Total Blocking Time 10 ms 10 ms 10 ms
FCP First Contentful Paint 1.78 s 1.78 s 1.78 s
Speed Index 1.78 s 1.78 s 1.78 s
TTFB Time to First Byte 610 ms 610 ms 610 ms

What LCP is made of

A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.

element render delay 83 ms
time to first byte 20 ms

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-08-15
2026-08-08 1.99 s 0 1.88 s 1.08 s
2026-08-01 1.92 s 0 1.75 s 930 ms
2026-07-25 1.90 s 0 1.67 s 915 ms
2026-07-18 1.71 s 0 1.51 s 856 ms
2026-07-11
2026-07-04
2026-06-27
2026-06-20
2026-06-13
2026-06-06
2026-05-30

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 321.3 kB 321.3 kB 321.3 kB
Requests 20 20 20
Third-party Weight 238.7 kB 238.7 kB 238.7 kB
Third-party CPU 3 ms 3 ms 3 ms
Unused JS 21.4 kB 21.4 kB 21.4 kB
Unused CSS 0 B 0 B 0 B

By resource type

font 212.1 kB · 10 req
script 48.7 kB · 4 req
image 23.9 kB · 1 req
document 21.8 kB · 1 req
stylesheet 13.2 kB · 2 req
other 1.5 kB · 2 req
third party 238.7 kB · 13 req

Third parties 3 entities

238.7 kB transferred, 3 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

Google Fonts 212.1 kB · 0 ms CPU
YouTube 23.9 kB · 0 ms CPU
Plausible 2.7 kB · 3 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 828 ms 828 ms 828 ms
Long Tasks 1 1 1
DOM Elements 287 287 287
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 0 0 0
A11y Failures 0 0 0
A11y Failing Nodes 0 0 0

Main thread work

other 370 ms
style layout 214 ms
script evaluation 142 ms
paint composite render 75 ms
parse HTML 25 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 375 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.

Hygiene

Changes rarely — which is exactly why a change is worth noticing.

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 20, 2026, 7:07 PM UTC 90 3.48 s 0 10 ms 321.3 kB 3/3 ±7 2,334 26.7s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show bholmes.dev's scores, updated whenever this instance re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site!

<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://bholmes.dev/"></speedlify-score>