eslint.org

Data from Aug 22, 2026, 11:19 PM UTC 22h old

Test Runners #3 Built Awesome #704 · 3 measurements · since Aug 20, 2026

The measuring machine was slower than usual.

Lighthouse benchmark index was 2446.5 against a baseline of 3092.8 (-20.9%). CPU-bound metrics — TBT, TTI, main thread work — are affected by this and may have moved without the site changing at all.

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.

Hosted by Netlify

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-07-24 → 2026-08-20). This is what Google measures you on.

LCP 1.48 s good

INP 104 ms good

CLS 0.010 good

Scores

Performance

↑ +4 (+5.7%)

Accessibility

no change

100

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.

375 ms
750 ms
1.13 s
1.50 s
1.88 s
2.25 s
2.63 s
3.00 s

Lab metrics Lighthouse, mobile

Metric	Current	Previous	Change	Best	Worst
LCP Largest Contentful Paint	5.93 s	7.21 s	↓ -1281 ms (-17.8%)	4.16 s	7.21 s
CLS Cumulative Layout Shift	0.011	0	↑ +0.011	0	0.273
TBT Total Blocking Time	148 ms	139 ms	↑ +9 ms (+6.5%)	38 ms	148 ms
FCP First Contentful Paint	2.41 s	2.66 s	↓ -249 ms (-9.4%)	1.53 s	2.66 s
Speed Index	2.41 s	3.38 s	↓ -973 ms (-28.8%)	2.03 s	3.38 s
TTFB Time to First Byte	604 ms	619 ms	↓ -15 ms (-2.4%)	604 ms	634 ms

Metric

Current

Change

Best

Worst

Trend

LCP Largest Contentful Paint

5.93 s

7.21 s

↓ -1281 ms (-17.8%)

4.16 s

7.21 s

CLS Cumulative Layout Shift

0.011

↑ +0.011

0.273

TBT Total Blocking Time

148 ms

139 ms

↑ +9 ms (+6.5%)

38 ms

148 ms

FCP First Contentful Paint

2.41 s

2.66 s

↓ -249 ms (-9.4%)

1.53 s

2.66 s

Speed Index

2.41 s

3.38 s

↓ -973 ms (-28.8%)

2.03 s

3.38 s

TTFB Time to First Byte

604 ms

619 ms

↓ -15 ms (-2.4%)

604 ms

634 ms

What LCP is made of observed, unthrottled

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

Measured on the trace before throttling is modelled, so these are real durations that will not sum to the 5.93 s above — that figure is a simulation of the same load on a slow phone and connection. Read these for the proportions: which phase dominates.

element render delay 136 ms

time to first byte 4 ms

Field data Chrome UX Report, url-level

Real Chrome users, 28-day trailing window (2026-07-24 → 2026-08-20). This is what Google measures you on.

Metric	p75	Rating	Distribution (good / needs work / poor)
LCP CWV	1.48 s	good	90.7% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run	104 ms	good	91% good
CLS CWV	0.010	good	81.9% good
FCP	1.43 s	good	86.9% good
TTFB	629 ms	good	86.8% good

Metric

p75

Rating

Distribution (good / needs work / poor)

LCP CWV

1.48 s

good

90.7% good

INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run

104 ms

good

91% good

CLS CWV

0.010

good

81.9% good

FCP

1.43 s

good

86.9% good

TTFB

629 ms

good

86.8% good

Lab vs field

Lab LCP 5.93 s · field p75 1.48 s · real users are 0.25× faster than the lab.

Field history 25 weeks

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

Week ending	LCP	INP	CLS	FCP	TTFB
2026-08-15	1.49 s	99 ms	0.010	1.48 s	638 ms
2026-08-08	1.48 s	92 ms	0.010	1.43 s	637 ms
2026-08-01	1.60 s	94 ms	0.160	1.56 s	692 ms
2026-07-25	1.65 s	92 ms	0.130	1.59 s	721 ms
2026-07-18	1.91 s	96 ms	0.190	1.65 s	730 ms
2026-07-11	1.91 s	103 ms	0.220	1.74 s	780 ms
2026-07-04	1.78 s	96 ms	0.020	1.65 s	730 ms
2026-06-27	1.89 s	100 ms	0.010	1.71 s	797 ms
2026-06-20	1.77 s	95 ms	0	1.67 s	741 ms
2026-06-13	1.85 s	99 ms	0.020	1.70 s	727 ms
2026-06-06	1.80 s	105 ms	0.040	1.62 s	716 ms
2026-05-30	1.77 s	101 ms	0.120	1.58 s	701 ms

Week ending

LCP

INP

CLS

FCP

TTFB

2026-08-15

1.49 s

99 ms

0.010

1.48 s

638 ms

2026-08-08

1.48 s

92 ms

0.010

1.43 s

637 ms

2026-08-01

1.60 s

94 ms

0.160

1.56 s

692 ms

2026-07-25

1.65 s

92 ms

0.130

1.59 s

721 ms

2026-07-18

1.91 s

96 ms

0.190

1.65 s

730 ms

2026-07-11

1.91 s

103 ms

0.220

1.74 s

780 ms

2026-07-04

1.78 s

96 ms

0.020

1.65 s

730 ms

2026-06-27

1.89 s

100 ms

0.010

1.71 s

797 ms

2026-06-20

1.77 s

95 ms

1.67 s

741 ms

2026-06-13

1.85 s

99 ms

0.020

1.70 s

727 ms

2026-06-06

1.80 s

105 ms

0.040

1.62 s

716 ms

2026-05-30

1.77 s

101 ms

0.120

1.58 s

701 ms

Page weight

Metric	Current	Previous	Change	Best	Worst
Page Weight	1.14 MB	1.14 MB	↓ -1.5 kB (-0.1%)	1.11 MB	1.14 MB
Requests	33	34	↓ -1 (-2.9%)	33	34
Third-party Weight	599 kB	600 kB	↓ -1.4 kB (-0.2%)	567 kB	600 kB
Third-party CPU	80 ms	72 ms	↑ +8 ms (+10.9%) significant	70 ms	80 ms
Unused JS	69.9 kB	68.9 kB	↑ +999 B (+1.5%)	68.9 kB	69.9 kB
Unused CSS	0 B	0 B	→ no change	0 B	0 B

Metric

Current

Change

Best

Worst

Trend

Page Weight

1.14 MB

↓ -1.5 kB (-0.1%)

1.11 MB

1.14 MB

Requests

↓ -1 (-2.9%)

Third-party Weight

599 kB

600 kB

↓ -1.4 kB (-0.2%)

567 kB

600 kB

Third-party CPU

80 ms

72 ms

↑ +8 ms (+10.9%) significant

70 ms

80 ms

Unused JS

69.9 kB

68.9 kB

↑ +999 B (+1.5%)

68.9 kB

69.9 kB

Unused CSS

0 B

→ no change

0 B

By resource type

font 523 kB · 6 req

image 350 kB · 10 req

script 228 kB · 10 req

document 18.1 kB · 1 req

stylesheet 15.9 kB · 1 req

other 977 B · 2 req

third party 599 kB · 10 req

Third parties 5 entities

599 kB transferred, 80 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

GitHub 305 kB · 0 ms CPU

Google Tag Manager 168 kB · 58 ms CPU

JSDelivr CDN 78.7 kB · 0 ms CPU

Cloudflare CDN 35.4 kB · 22 ms CPU

opencollective.com 11.6 kB · 0 ms CPU

Page health

Metric	Current	Previous	Change	Best	Worst
Main Thread Work	1.22 s	1.18 s	↑ +38 ms (+3.2%)	1.09 s	1.22 s
Long Tasks	4	5	↓ -1 (-20%)	2	5
DOM Elements	578	578	→ no change	578	578
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset	4	4	→ no change	4	4
A11y Failures	1	1	→ no change	1	1
A11y Failing Nodes	3	3	→ no change	3	3

Main thread work

other 368 ms

script evaluation 361 ms

style layout 286 ms

paint composite render 95 ms

script parse compile 74 ms

parse HTML 35 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 2 rules, 1237 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 aria-prohibited-attr — Elements must only use permitted ARIA attributes 3 nodes
moderate region — All page content should be contained by landmarks 1 node

Accessibility failures 1 of 33 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.

aria-prohibited-attr — Elements use prohibited ARIA attributes 3 nodes

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	Perf	LCP	CLS	TBT	Weight	Runs	Spread	Bench	Took
Aug 22, 2026, 11:19 PM UTC	74	5.93 s	0.011	148 ms	1.14 MB	3/3	±12	2,447	28.7s
Aug 21, 2026, 10:23 PM UTC	70	7.21 s	0	139 ms	1.14 MB	3/3	±3	2,948	26.1s
Aug 20, 2026, 9:31 PM UTC	72	4.16 s	0.273	38 ms	1.11 MB	3/3	±19	3,238	26.2s

When

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

Aug 22, 2026, 11:19 PM UTC

5.93 s

0.011

148 ms

1.14 MB

3/3

±12

2,447

28.7s

Aug 21, 2026, 10:23 PM UTC

7.21 s

139 ms

1.14 MB

3/3

±3

2,948

26.1s

Aug 20, 2026, 9:31 PM UTC

4.16 s

0.273

38 ms

1.11 MB

3/3

±19

3,238

26.2s

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