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 ·

blog.fontawesome.com

https://blog.fontawesome.com/

82 100 100 100 CWV 0AXE

Data from Aug 20, 2026, 7:09 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.

Eleventy 3.1.6 Built with Eleventy 3.1.6
Vercel Hosted by Vercel

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 917 ms good
INP 131 ms good
CLS 0 good

Scores

82
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 1.36 s 1.36 s 1.36 s
CLS Cumulative Layout Shift 0.384 0.384 0.384
TBT Total Blocking Time 0 ms 0 ms 0 ms
FCP First Contentful Paint 1.21 s 1.21 s 1.21 s
Speed Index 1.21 s 1.21 s 1.21 s
TTFB Time to First Byte 613 ms 613 ms 613 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 89 ms
time to first byte 26 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 917 ms good 93.5% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run 131 ms good 82.5% good
CLS CWV 0 good 94.7% good
FCP 930 ms good 89.1% good
TTFB 385 ms good 87.4% good

Lab vs field

Lab LCP 1.36 s · field p75 917 ms · real users are 0.67× faster than the lab.

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-08-15 895 ms 102 ms 0 925 ms 385 ms
2026-08-08 917 ms 140 ms 0 1.03 s 390 ms
2026-08-01 1.06 s 183 ms 0 1.12 s 406 ms
2026-07-25 970 ms 0 1.12 s 463 ms
2026-07-18 970 ms 0 1.06 s 493 ms
2026-07-11 966 ms 156 ms 0.010 966 ms 476 ms
2026-07-04 966 ms 128 ms 0.010 970 ms 487 ms
2026-06-27 939 ms 106 ms 0.010 1.00 s 500 ms
2026-06-20 905 ms 96 ms 0.010 1.03 s 500 ms
2026-06-13 1.00 s 115 ms 0.010 1.13 s 488 ms
2026-06-06 991 ms 101 ms 0.010 1.04 s 470 ms
2026-05-30 979 ms 0.010 979 ms 457 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 859.6 kB 859.6 kB 859.6 kB
Requests 15 15 15
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 735.7 kB · 7 req
font 100.7 kB · 5 req
document 16.4 kB · 1 req
script 3.9 kB · 1 req
other 2.9 kB · 1 req
third party 859.6 kB · 15 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 380 ms 380 ms 380 ms
Long Tasks 0 0 0
DOM Elements 307 307 307
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 156 ms
style layout 146 ms
script evaluation 32 ms
paint composite render 28 ms
parse HTML 18 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 568 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, 7:09 PM UTC 82 1.36 s 0.384 0 ms 859.6 kB 3/3 ±18 2,473 21.7s

Embed this score

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