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 ·

bristolfurs.co.uk

https://bristolfurs.co.uk/

88 100 100 92 CWV 0AXE

Data from Aug 20, 2026, 7:12 PM UTC — 24h old.

Built Awesome · 1 measurement · since Aug 20, 2026 · last attempt 24h

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.

Li Hosted by Self-hosted

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-07-22 → 2026-08-18). This is what Google measures you on.

LCP 821 ms good
INP no data
CLS 0 good

Scores

88
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
92
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 1.10 s 1.10 s 1.10 s
CLS Cumulative Layout Shift 0.236 0.236 0.236
TBT Total Blocking Time 0 ms 0 ms 0 ms
FCP First Contentful Paint 981 ms 981 ms 981 ms
Speed Index 981 ms 981 ms 981 ms
TTFB Time to First Byte 799 ms 799 ms 799 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.

resource load duration 271 ms
time to first byte 138 ms
element render delay 20 ms
resource load delay 10 ms

Field data Chrome UX Report, url-level

Real Chrome users, 28-day trailing window (2026-07-22 → 2026-08-18). This is what Google measures you on.

Metric p75 Rating Distribution (good / needs work / poor)
LCP CWV 821 ms good 98.5% good
CLS CWV 0 good 96.3% good
FCP 785 ms good 93.4% good
TTFB 379 ms good 91% good

Lab vs field

Lab LCP 1.10 s · field p75 821 ms · real users are 0.75× faster than the lab.

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-08-15 821 ms 0 785 ms 398 ms
2026-08-08 812 ms 0 758 ms 370 ms
2026-08-01 785 ms 0 710 ms 368 ms
2026-07-25
2026-07-18
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 120.3 kB 120.3 kB 120.3 kB
Requests 14 14 14
Third-party Weight 0 B 0 B 0 B
Third-party CPU 0 ms 0 ms 0 ms
Unused JS 0 B 0 B 0 B
Unused CSS 0 B 0 B 0 B

By resource type

image 81.3 kB · 3 req
font 23.2 kB · 2 req
stylesheet 5.6 kB · 2 req
document 4.5 kB · 1 req
script 3.9 kB · 4 req
other 1.9 kB · 2 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 244 ms 244 ms 244 ms
Long Tasks 0 0 0
DOM Elements 120 120 120
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 120 ms
style layout 80 ms
paint composite render 20 ms
script evaluation 15 ms
parse HTML 9 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 242 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, 7:12 PM UTC 88 1.10 s 0.236 0 ms 120.3 kB 3/3 ±12 2,448 24.5s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show bristolfurs.co.uk'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://bristolfurs.co.uk/"></speedlify-score>