speedlify2

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

Charts Measurement runs Embed a score

about.google

https://about.google/

67 99 92 100 !AXE CWV

Data from Aug 28, 2026, 5:29 PM UTC old

Overall #1,436 Big Tech #7 · 1 measurement · since Aug 28, 2026

Stack

sf Hosted by sffe

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-07-30 → 2026-08-26).

LCP 2.94 s needs-improvement
INP 257 ms needs-improvement
CLS 0 good

Scores

67
Performance
no change
99
Accessibility
no change
92
Best Practices
no change
100
SEO
no change

Filmstrip Lighthouse, mobile

How the page drew during the measured load, at 8 points across 3.00 s.

  1. 375 ms
  2. 750 ms
  3. 1.13 s
  4. 1.50 s
  5. 1.88 s
  6. 2.25 s
  7. 2.63 s
  8. 3.00 s

Without JavaScript

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

Scripts disabled
As rendered

20.6% of pixels differ — parts of the page change. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 6.08 s 6.08 s 6.08 s
CLS Cumulative Layout Shift 0 0 0
TBT Total Blocking Time 370 ms 370 ms 370 ms
FCP First Contentful Paint 2.15 s 2.15 s 2.15 s
Speed Index 2.15 s 2.15 s 2.15 s
TTFB Time to First Byte 629 ms 629 ms 629 ms

LCP Subparts lab observed, unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab metrics LCP metric shown above is throttled.

element render delay 200 ms
resource load delay 48 ms
time to first byte 25 ms
resource load duration 23 ms

Field data Chrome UX Report, url-level

Real Chrome users, 28-day trailing window (2026-07-30 → 2026-08-26).

Metric p75 Rating Distribution (good / needs work / poor)
LCP CWV 2.94 s needs-improvement 66.8% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run 257 ms needs-improvement 66.6% good
CLS CWV 0 good 97.7% good
FCP 1.75 s good 76.3% good
TTFB 642 ms good 82.1% good

Lab LCP vs Field LCP

Lab 6.08 s
Field p75 2.94 s

The lab LCP is 2.07× the field p75 — real users likely have above-average hardware or network connectivity.

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-08-22 2.81 s 251 ms 0 1.74 s 640 ms
2026-08-15 2.79 s 247 ms 0 1.75 s 639 ms
2026-08-08 2.92 s 245 ms 0 1.75 s 639 ms
2026-08-01 3.02 s 244 ms 0 1.76 s 643 ms
2026-07-25 3.17 s 245 ms 0 1.77 s 646 ms
2026-07-18 3.28 s 242 ms 0 1.76 s 648 ms
2026-07-11 3.21 s 245 ms 0 1.76 s 649 ms
2026-07-04 3.02 s 256 ms 0 1.78 s 647 ms
2026-06-27 2.89 s 268 ms 0 1.78 s 635 ms
2026-06-20 2.85 s 279 ms 0 1.76 s 620 ms
2026-06-13 2.83 s 291 ms 0 1.74 s 605 ms
2026-06-06 2.92 s 308 ms 0 1.70 s 593 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 4.80 MB 4.80 MB 4.80 MB
Requests 61 61 61
Third-party Weight 4.74 MB 4.74 MB 4.74 MB
Third-party CPU 217 ms 217 ms 217 ms
Unused JS 222 kB 222 kB 222 kB
Unused CSS 66.8 kB 66.8 kB 66.8 kB

By resource type

  • media 78.1% 3.75 MB · 3 req
  • script 13% 625 kB · 34 req
  • image 5% 239 kB · 8 req
  • font 1.7% 81.3 kB · 3 req
  • stylesheet 1.6% 77.4 kB · 3 req
  • document 0.6% 26.9 kB · 2 req
  • other 0.1% 2.6 kB · 7 req

Third parties 4 entities

4.74 MB transferred, 217 ms on the main thread.

Google CDN 4.24 MB · 55 ms CPU
Google Tag Manager 304 kB · 136 ms CPU
Other Google APIs/SDKs 117 kB · 26 ms CPU
Google Fonts 86.4 kB · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 2.08 s 2.08 s 2.08 s
Long Tasks 7 7 7
DOM Elements 507 507 507
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 2 2
A11y Failures 1 1 1
A11y Failing Nodes 1 1 1

Main thread work

script evaluation 905 ms
other 603 ms
style layout 225 ms
script parse compile 193 ms
garbage collection 56 ms
paint composite render 52 ms
parse HTML 50 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 442 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • minor empty-heading — Headings should not be empty 1 node
  • moderate heading-order — Heading levels should only increase by one 1 node

Accessibility failures 1 of 32 audits

  • heading-order — Heading elements are not in a sequentially-descending order 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 1 console error

Measurement log

Every stored run for this URL, newest first.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 28, 2026, 5:29 PM UTC 67 6.08 s 0 370 ms 4.80 MB 3/3 ±23 2,550 +3% 61.3s

Embed this score

Use this web component to show about.google'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://about.google/"></speedlify2-score>