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.

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1896gallery.com

https://www.1896gallery.com/

67PERF 98A11Y 100BEST 100SEO ✗AXE –CWV

Ranks Overall #1,431 Built Awesome #968

Data from Oct 5, 2026, 1:48 AM UTC old Measured once a week · 7 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

Eleventy 0.11.0 Built with Eleventy 0.11.0
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

67
Performance
↓ -7 (-9.5%)
98
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics LAB

No field data: the Chrome UX Report is not being collected for this project, so every figure below is from the Lighthouse run.

Metric Lab Simulated
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 3.38 s needs work ↑ +1174 ms (+53.2%) 1.85 s – 4.01 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 1.002 poor ↓ -0.015 (-1.5%) 1 – 1.017
TBT Total Blocking Time 8 ms good ↑ +3 ms (+60%) 5 ms – 30 ms
FCP First Contentful Paint 1.15 s good ↑ +301 ms (+35.4%) significant 850 ms – 1.15 s
Speed Index 2.16 s good ↑ +1240 ms (+134.9%) significant 919 ms – 2.16 s
TTFB Time to First Byte 916 ms needs work ↑ +270 ms (+41.8%) significant 612 ms – 916 ms

LCP Subparts LAB Unthrottled

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

resource load duration 821 ms
time to first byte 355 ms
element render delay 23 ms
resource load delay 10 ms

Page weight

Metric Value Change / range Trend
Page Weight 3.16 MB ↑ +6.2 kB (+0.2%) 3.03 MB – 3.19 MB
Requests 54 → no change 53 – 54
Third-party Weight 85.0 kB ↑ +1.1 kB (+1.4%) 81.4 kB – 85.0 kB
Third-party CPU 3 ms ↑ +1 ms (+22.7%) 2 ms – 4 ms
Unused JS 48.9 kB ↑ +100 B (+0.2%) 48.6 kB – 49.0 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 93.4% 2.96 MB 34
script 2.9% 90.8 kB 6
font 2.8% 88.5 kB 6
stylesheet 0.5% 15.0 kB 4
document 0.3% 10.4 kB 1
other 0.1% 3.2 kB 3
Total 3.16 MB 54

Third parties 3 entities

Entity Transfer Size Main thread Simulated
openstreetmap.org image 80.1 kB 0 ms
zgo.at 4.5 kB 3 ms
goatcounter.com 382 B 0 ms
Total 85.0 kB 3 ms

Page health

Metric Value Change / range Trend
Main Thread Work 1.52 s ↑ +420 ms (+38%) significant 1.10 s – 1.52 s
Long Tasks 2 ↑ +1 (+100%) 1 – 3
DOM Elements 426 → no change 426 – 433
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 21 → no change 21 – 21
A11y Failures 2 → no change 2 – 2
A11y Failing Nodes 2 → no change 2 – 2

Main thread work

Task Time Share Duration Simulated
style layout 41% 621 ms
other 34% 512 ms
script evaluation 13% 192 ms
paint composite render 9% 135 ms
parse HTML 2% 33 ms
script parse compile 2% 30 ms
Total 1.52 s

Axe violations axe-core 4.13.0, full rule set

21 violating nodes across 4 rules, 761 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 15 nodes
    Offending elements (5 of 15)
    1. .s-intro
      <section class="s-intro">
    2. .c-newsletter__inner
      <div class="c-newsletter__inner">
    3. .s-artists__title
      <h2 class="s-artists__title">Browse Our Artists</h2>
    4. .s-artists__subtitle
      <div class="s-artists__subtitle">To date, we've had exhibitions from the following artists:</div>
    5. .s-artists__slider > .swiper-wrapper
      <div class="swiper-wrapper" style="transform: translate3d(-3406px, 0px, 0px); transition: all;">
  • serious role-img-alt — [role="img"] and [role="image"] elements must have alternative text 4 nodes
    Offending elements
    1. .map-marker-icon
      <span role="img" class="material-design-icon map-marker-icon c-header__icon">
    2. .clock-icon
      <span role="img" class="material-design-icon clock-icon c-header__icon">
    3. .c-header__icon--fb
      <span role="img" class="material-design-icon facebook-icon c-header__icon c-header__icon--fb">
    4. .c-footer__fb > .facebook-icon.material-design-icon[role="img"]
      <span role="img" class="material-design-icon facebook-icon">
  • moderate landmark-one-main — Document should have one main landmark 1 node
    Offending element
    1. html
      <html lang="en" class="js-focus-visible" data-js-focus-visible="">
  • minor presentation-role-conflict — Elements marked as presentational should be consistently ignored 1 node
    Offending element
    1. .leaflet-marker-icon
      <img src="/images/map/marker-icon.png" class="leaflet-marker-icon leaflet-zoom-animated leaflet-interactive" alt="" tabindex="0" style="margin-left: -12px; margin-top: -41px; width: 25px; height: 41p…

Accessibility failures 2 of 28 audits

  • landmark-one-main — Document does not have a main landmark. 1 node
  • presentation-role-conflict — Elements with `role="none"` or `role="presentation"` have conflicts 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 5, 2026, 1:48 AM UTC 67 3.38 s 1.002 8 ms 3.16 MB 3/3 ±19 2,646 +6% 27.8s Wayback
Sep 27, 2026, 11:51 PM UTC 74 2.21 s 1.017 5 ms 3.16 MB 3/3 ±4 3,134 +26% 26.6s Wayback
Sep 20, 2026, 8:52 PM UTC 63 3.95 s 1 21 ms 3.03 MB 3/3 ±7 2,460 -1% 27.5s Wayback
Sep 13, 2026, 8:32 PM UTC 65 3.66 s 1 30 ms 3.03 MB 3/3 ±15 2,475 0% 25.6s Wayback
Sep 6, 2026, 7:02 PM UTC 75 1.99 s 1.017 22 ms 3.17 MB 3/3 ±2 2,354 -5% 25.7s Wayback
Aug 30, 2026, 6:06 PM UTC 63 4.01 s 1.017 23 ms 3.17 MB 3/3 ±17 2,315 -7% 27.5s Wayback
Aug 21, 2026, 9:37 AM UTC 75 1.85 s 1.002 28 ms 3.19 MB 3/3 ±17 2,498 0% 26.1s Wayback

Embed this score

Use this web component to show 1896gallery.com'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://www.1896gallery.com/"></speedlify2-score>