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 ·

localghost.dev

https://localghost.dev/

82 91 100 92 ✓CWV 1AXE

Data from Aug 21, 2026, 3:10 AM UTC — 15h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 15h

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.

Eleventy 3.1.6 Built with Eleventy 3.1.6
ne Hosted by neocities

Core Web Vitals field data, origin-level

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

LCP 1.01 s good
INP — no data
CLS 0 good

Scores

82
Performance
no change
91
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 2.19 s — — 2.19 s 2.19 s
CLS Cumulative Layout Shift 0.330 — — 0.330 0.330
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 1.51 s — — 1.51 s 1.51 s
Speed Index 1.51 s — — 1.51 s 1.51 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 125 ms
time to first byte 15 ms

Field data Chrome UX Report, origin-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 1.01 s good 94.2% good
CLS CWV 0 good 93.9% good
FCP 940 ms good 89.8% good
TTFB 728 ms good 77.4% good

Lab vs field

Lab LCP 2.19 s · field p75 1.01 s · real users are 0.46× 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 1.09 s — 0 977 ms 728 ms
2026-08-08 1.22 s — 0 1.08 s 725 ms
2026-08-01 1.32 s 96 ms 0 1.20 s 769 ms
2026-07-25 1.36 s 99 ms 0 1.21 s 794 ms
2026-07-18 1.27 s 94 ms 0 1.12 s 663 ms
2026-07-11 1.22 s 95 ms 0 1.12 s 724 ms
2026-07-04 1.19 s — 0 1.09 s 731 ms
2026-06-27 1.14 s — 0 1.07 s 730 ms
2026-06-20 1.22 s — 0 1.11 s 780 ms
2026-06-13 1.11 s — 0 1.07 s 725 ms
2026-06-06 1.11 s — 0 1.02 s 700 ms
2026-05-30 1.12 s 74 ms 0 1.02 s 654 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 313.0 kB — — 313.0 kB 313.0 kB
Requests 28 — — 28 28
Third-party Weight 4.7 kB — — 4.7 kB 4.7 kB
Third-party CPU 2 ms — — 2 ms 2 ms
Unused JS 0 B — — 0 B 0 B
Unused CSS 0 B — — 0 B 0 B

By resource type

image 150.0 kB · 12 req
font 110.6 kB · 3 req
document 26.3 kB · 1 req
stylesheet 12.3 kB · 1 req
script 9.9 kB · 4 req
other 381 B · 1 req
third party 4.7 kB · 2 req

Third parties 2 entities

4.7 kB transferred, 2 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

zgo.at 4.3 kB · 2 ms CPU
goatcounter.com 381 B · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 422 ms — — 422 ms 422 ms
Long Tasks 1 — — 1 1
DOM Elements 598 — — 598 598
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 1 — — 1 1
A11y Failures 2 — — 2 2
A11y Failing Nodes 5 — — 5 5

Main thread work

style layout 170 ms
other 155 ms
paint composite render 35 ms
script evaluation 30 ms
parse HTML 29 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 639 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.

  • serious link-name — Links must have discernible text 1 node

Accessibility failures 2 of 21 audits

Tracked as a count, not just the score — the weighted score is coarse enough that you can ship a broken component and barely move it.

  • target-size — Touch targets do not have sufficient size or spacing. 4 nodes
  • link-name — Links do not have a discernible name 1 node

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 21, 2026, 3:10 AM UTC 82 2.19 s 0.330 0 ms 313.0 kB 3/3 ±1 2,481 21.3s

Embed this score

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