remix.run

https://remix.run/

Data from Aug 21, 2026, 7:41 AM UTC — 11h old.

Site Generators · 1 measurement · since Aug 21, 2026 · last attempt 11h

Core Web Vitals field data, url-level

Real Chrome users, 28-day window (2026-07-23 → 2026-08-19). This is what Google measures you on.

LCP 1.82 s good

INP 323 ms needs-improvement

CLS 0.010 good

Scores

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
LCP Largest Contentful Paint	1.65 s	—	—	1.65 s	1.65 s
CLS Cumulative Layout Shift	0.002	—	—	0.002	0.002
TBT Total Blocking Time	171.94 s	—	—	171.94 s	171.94 s
FCP First Contentful Paint	1.65 s	—	—	1.65 s	1.65 s
Speed Index	7.53 s	—	—	7.53 s	7.53 s
TTFB Time to First Byte	652 ms	—	—	652 ms	652 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 166 ms

time to first byte 14 ms

Field data Chrome UX Report, url-level

Real Chrome users, 28-day trailing window (2026-07-23 → 2026-08-19). This is what Google measures you on.

Metric	p75	Rating	Distribution (good / needs work / poor)
LCP CWV	1.82 s	good	86.6% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run	323 ms	needs-improvement	55.1% good
CLS CWV	0.010	good	99.3% good
FCP	1.86 s	needs-improvement	73.8% good
TTFB	997 ms	needs-improvement	69.1% good

Metric

p75

Rating

Distribution (good / needs work / poor)

LCP CWV

1.82 s

good

86.6% good

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

323 ms

needs-improvement

55.1% good

CLS CWV

0.010

good

99.3% good

FCP

1.86 s

needs-improvement

73.8% good

TTFB

997 ms

needs-improvement

69.1% good

Lab vs field

Lab LCP 1.65 s · field p75 1.82 s · real users are 1.1× slower 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	1.85 s	317 ms	0.010	1.88 s	1.02 s
2026-08-08	1.83 s	317 ms	0.010	1.86 s	1.00 s
2026-08-01	1.74 s	315 ms	0.010	1.81 s	947 ms
2026-07-25	1.70 s	335 ms	0.010	1.77 s	932 ms
2026-07-18	1.64 s	356 ms	0.010	1.70 s	891 ms
2026-07-11	1.65 s	362 ms	0.010	1.72 s	880 ms
2026-07-04	1.72 s	367 ms	0.010	1.75 s	873 ms
2026-06-27	1.69 s	356 ms	0.010	1.71 s	829 ms
2026-06-20	1.66 s	321 ms	0	1.69 s	821 ms
2026-06-13	1.61 s	293 ms	0	1.66 s	821 ms
2026-06-06	1.51 s	280 ms	0	1.56 s	757 ms
2026-05-30	1.47 s	300 ms	0	1.50 s	723 ms

Week ending

LCP

INP

CLS

FCP

TTFB

2026-08-15

1.85 s

317 ms

0.010

1.88 s

1.02 s

2026-08-08

1.83 s

317 ms

0.010

1.86 s

1.00 s

2026-08-01

1.74 s

315 ms

0.010

1.81 s

947 ms

2026-07-25

1.70 s

335 ms

0.010

1.77 s

932 ms

2026-07-18

1.64 s

356 ms

0.010

1.70 s

891 ms

2026-07-11

1.65 s

362 ms

0.010

1.72 s

880 ms

2026-07-04

1.72 s

367 ms

0.010

1.75 s

873 ms

2026-06-27

1.69 s

356 ms

0.010

1.71 s

829 ms

2026-06-20

1.66 s

321 ms

1.69 s

821 ms

2026-06-13

1.61 s

293 ms

1.66 s

821 ms

2026-06-06

1.51 s

280 ms

1.56 s

757 ms

2026-05-30

1.47 s

300 ms

1.50 s

723 ms

Page weight

Metric	Current	Previous	Change	Best	Worst
Page Weight	1.10 MB	—	—	1.10 MB	1.10 MB
Requests	142	—	—	142	142
Third-party Weight	3.2 kB	—	—	3.2 kB	3.2 kB
Third-party CPU	2 ms	—	—	2 ms	2 ms
Unused JS	82.5 kB	—	—	82.5 kB	82.5 kB
Unused CSS	0 B	—	—	0 B	0 B

By resource type

other 601.4 kB · 3 req

script 320.6 kB · 124 req

font 125.5 kB · 2 req

image 30.9 kB · 8 req

stylesheet 14.4 kB · 4 req

document 10.8 kB · 1 req

third party 3.2 kB · 2 req

Third parties 1 entities

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

Fathom Analytics 3.2 kB · 2 ms CPU

Page health

Metric	Current	Previous	Change	Best	Worst
Main Thread Work	181.78 s	—	—	181.78 s	181.78 s
Long Tasks	20	—	—	20	20
DOM Elements	368	—	—	368	368
A11y Failures	0	—	—	0	0
A11y Failing Nodes	0	—	—	0	0

Main thread work

other 178.32 s

script evaluation 1.75 s

style layout 1.32 s

paint composite render 248 ms

parse HTML 77 ms

garbage collection 49 ms

script parse compile 21 ms

Axe violations axe-core , full rule set

The axe run failed: Navigation timeout of 120000 ms exceeded

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 21, 2026, 7:41 AM UTC	62	1.65 s	0.002	171.94 s	1.10 MB	3/3	±30	2,818	446.1s

When

Perf

LCP

CLS

TBT

Weight

Runs

Spread

Bench

Took

Aug 21, 2026, 7:41 AM UTC

1.65 s

0.002

171.94 s

1.10 MB

3/3

±30

2,818

446.1s

Embed this score

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