speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time. Follow us on Mastodon or Bluesky.

Charts Compare Measurement runs Embed a score Open to Work

remix.run

https://remix.run/

59PERF 99A11Y 100BEST 100SEO !AXE !CWV

Ranks Overall #1,097 Developer Tooling #32 Site Generators #10

Data from Oct 6, 2026, 1:16 PM UTC old Measured every 2 days · 24 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Tame the Bots · Scoring Calculator · Wayback Machine

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Fly.io Hosted by Fly.io

Filmstrip LAB Throttled

How the page drew during the measured load, at 8 points across 44.72 s. Compare this filmstrip against another site.

  1. 1.47 s
  2. 11.18 s
  3. 16.77 s
  4. 22.36 s
  5. 27.95 s
  6. 33.54 s
  7. 39.13 s
  8. 44.72 s

Lighthouse Scores LAB Simulated

59
Performance
↑ +1 (+1.7%)
99
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

Core Web Vitals: failing 3 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-07 → 2026-10-04), url-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 2.27 s good ↓ -4 ms (-0.2%) 1.30 s – 3.35 s 2.08 s good 81.1% 11.2% 7.8%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 382 ms needs work 62.6% 18.7% 18.8%
CLS CWV Cumulative Layout Shift 0 good → no change 0 – 0.002 0 good 99% 0.8% 0.3%
TBT Total Blocking Time 164.58 s poor ↑ +1537 ms (+0.9%) 162.15 s – 172.17 s n/a —
FCP First Contentful Paint 1.97 s needs work ↓ -4 ms (-0.2%) 1.28 s – 2.90 s 2.11 s needs work 68.9% 16.7% 14.4%
Speed Index 8.58 s poor ↑ +56 ms (+0.7%) 5.99 s – 9.56 s n/a —
TTFB Time to First Byte 622 ms good ↓ -4 ms (-0.6%) 600 ms – 667 ms 1.17 s needs work 62.5% 22.8% 14.8%

LCP Subparts LAB Throttled

The subparts attribute LCP to your server, resource discovery, download, or rendering. They come from one throttled load, the same one as the filmstrip, so they add up to that load’s LCP rather than the simulated Lab LCP above.

element render delay 903 ms
time to first byte 567 ms

LCP LAB Simulated vs LCP FIELD

Lab 2.27 s
Field p75 2.08 s

The lab LCP is 1.09× the field p75 — real users likely have similar hardware or network connectivity to the lab test.

Page weight

Metric Value Change / range Trend
Page Weight 1.75 MB ↓ -494 B 1.10 MB – 1.75 MB
Requests 161 → no change 140 – 161
Third-party Weight 3.2 kB ↓ -2 B (-0.1%) 3.2 kB – 3.2 kB
Third-party CPU 10 ms ↑ +9 ms (+607.1%) significant 1 ms – 10 ms
Unused JS 82.5 kB → no change 82.5 kB – 82.5 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
other 68.6% 1.20 MB 3
script 20.4% 358 kB 138
font 7.2% 126 kB 2
image 1.8% 31.6 kB 12
document 1.7% 29.4 kB 1
stylesheet 0.3% 5.3 kB 3
Total 1.75 MB 161

Third parties 1 entities

Entity Transfer Size Main thread Simulated
Fathom Analytics script 3.2 kB 10 ms
Total 3.2 kB 10 ms

Without JavaScript

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

Scripts disabled
As rendered

68% of pixels differ — the page changes substantially. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Page health

Metric Value Change / range Trend
Main Thread Work 176.51 s ↑ +1612 ms (+0.9%) 174.90 s – 181.81 s
Long Tasks 20 → no change 20 – 20
DOM Elements 362 → no change 295 – 414
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 → no change 0 – 2
A11y Failures 2 → no change 0 – 2
A11y Failing Nodes 2 → no change 0 – 2

Main thread work

Task Time Share Duration Simulated
other 97% 170.67 s
style layout 1% 2.53 s
script evaluation 1% 2.38 s
paint composite render 0% 704 ms
garbage collection 0% 124 ms
parse HTML 0% 75 ms
script parse compile 0% 29 ms
Total 176.51 s

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 624 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Accessibility failures 2 of 31 audits

  • heading-order — Heading elements are not in a sequentially-descending order 1 node
  • label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-09-26 2.10 s 353 ms 0 2.11 s 1.15 s
2026-09-19 2.04 s 349 ms 0 2.09 s 1.12 s
2026-09-12 2.07 s 355 ms 0 2.10 s 1.11 s
2026-09-05 1.94 s 344 ms 0.010 1.96 s 1.08 s
2026-08-29 1.92 s 359 ms 0.010 1.96 s 1.07 s
2026-08-22 1.89 s 340 ms 0.010 1.93 s 1.04 s
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

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 6, 2026, 1:16 PM UTC 59 2.27 s 0 164.58 s 1.75 MB 3/3 ±2 2,447 -2% 301.3s Wayback
Oct 2, 2026, 12:42 AM UTC 58 2.28 s 0 163.04 s 1.75 MB 3/3 ±25 2,474 0% 301.2s Wayback
Sep 29, 2026, 10:04 PM UTC 59 2.12 s 0 170.07 s 1.70 MB 3/3 ±26 2,384 -4% 469.6s Wayback
Sep 27, 2026, 12:30 AM UTC 60 2.12 s 0 163.65 s 1.71 MB 3/3 ±30 3,431 +38% 401.6s Wayback
Sep 24, 2026, 10:05 PM UTC 59 2.14 s 0 169.00 s 1.71 MB 3/3 ±0 2,459 -1% 454.7s Wayback
Sep 22, 2026, 9:47 PM UTC 61 1.68 s 0 168.79 s 1.71 MB 3/3 ±28 2,461 -1% 459.2s Wayback
Sep 20, 2026, 8:50 PM UTC 64 1.53 s 0 162.15 s 1.71 MB 3/3 ±3 4,561 +83% 390.7s Wayback
Sep 18, 2026, 1:24 PM UTC 63 1.68 s 0 166.48 s 1.71 MB 3/3 ±30 2,986 +20% 426.1s Wayback
Sep 16, 2026, 9:05 AM UTC 63 1.69 s 0 162.98 s 1.71 MB 3/3 ±3 4,088 +64% 397.7s Wayback
Sep 14, 2026, 5:50 AM UTC 63 1.67 s 0 167.31 s 1.71 MB 3/3 ±3 3,015 +21% 421.9s Wayback
Sep 11, 2026, 11:00 PM UTC 60 2.13 s 0 168.02 s 1.70 MB 3/3 ±28 2,211 -11% 446.3s Wayback
Sep 9, 2026, 8:34 PM UTC 61 2.14 s 0 166.14 s 1.70 MB 3/3 ±27 3,327 +34% 345.1s Wayback
Sep 7, 2026, 7:13 PM UTC 61 1.84 s 0 166.97 s 1.70 MB 3/3 ±12 2,483 0% 370.1s Wayback
Sep 5, 2026, 3:13 AM UTC 63 1.72 s 0 167.80 s 1.70 MB 3/3 ±31 2,551 +3% 373.2s Wayback
Sep 3, 2026, 10:29 PM UTC 52 3.19 s 0 165.91 s 1.70 MB 3/3 ±33 2,735 +10% 360.4s Wayback
Sep 2, 2026, 8:47 PM UTC 63 1.83 s 0 167.46 s 1.71 MB 3/3 ±16 2,280 -8% 364s Wayback
Sep 1, 2026, 8:36 PM UTC 51 3.35 s 0 167.26 s 1.71 MB 3/3 ±31 2,472 -1% 369.7s Wayback
Aug 31, 2026, 5:57 PM UTC 50 3.33 s 0 169.51 s 1.11 MB 3/3 ±20 2,470 -1% 464.7s Wayback
Aug 26, 2026, 9:43 AM UTC 50 3.30 s 0 170.91 s 1.11 MB 3/3 ±13 2,319 -7% 449.2s Wayback
Aug 25, 2026, 9:34 AM UTC 59 2.28 s 0 172.17 s 1.11 MB 3/3 ±12 2,478 0% 459s Wayback
Aug 24, 2026, 8:57 AM UTC 61 1.30 s 0.002 171.49 s 1.10 MB 3/3 ±30 3,300 +33% 430.8s Wayback
Aug 23, 2026, 8:28 AM UTC 61 1.80 s 0.002 170.10 s 1.10 MB 3/3 ±16 2,486 0% 467.1s Wayback
Aug 22, 2026, 8:28 AM UTC 62 1.39 s 0.002 172.13 s 1.10 MB 3/3 ±17 2,469 -1% 469s Wayback
Aug 21, 2026, 7:41 AM UTC 62 1.65 s 0.002 171.94 s 1.10 MB 3/3 ±30 2,818 +13% 446.1s Wayback