Wren Beta — what that means

seriouseats.com

readable

A Excellent overall on the measured subjects

Loading speed is diagnostic only; it does not affect this grade or search ranking.

SubjectWeightScore
Interruption 35.71% not scored
Readability 28.57% 100
Accessibility and keyboard 21.43% 86
Stability and weight 14.29% 94

This letter rests on 64% of the grade. The subjects marked “not measured” are left out rather than scored as zero (which would fail a site for something nobody looked at) or as full marks (which would be a claim we have not earned). How this is worked out.

seriouseats.com
Largest paint
0.3–16.9s
Paywall
none
Ad requests
115
Tracker requests
74
Page weight
1.6 MB
Readability
18px type · 1.5 line height · 65 characters per line · 19.5:1 contrast
Accessibility
1 automated check failed (1 serious)
Green hosting
not measured
Measured
2026-09-05

Observed interruptions

Ad and tracker counts above are network requests, not counts of visible ads or separate companies. They do not affect the interruption score.

Interruption evidence is incomplete or needs review, so this subject is not scored. Missing evidence is not treated as an interruption-free page.

The type, and who can use it

Measured on 1 rendered page; latest measurement 2026-09-06. Every number is a mechanical fact about the page, not a judgment of its design.

WhatMeasuredThe bar
Body type size 18px 16px, the browser default
Characters per line 65 45–90
Line height 1.50 1.5 (WCAG 1.4.8)
Text contrast 19.5:1 4.5:1 (WCAG AA), 7:1 (AAA)
Text column 47% of the window at least 45%
Reflows at phone width yes WCAG 1.4.10
Dark mode no noted, not scored
Automated accessibility checks 1 automated check failed (1 serious): list WCAG 2.1 A and AA, via axe-core
Keyboard no trap; focus visible on 73% of stops never trapped, always visible
Structure main landmark, 1 h1, no skipped heading levels a main landmark, one h1, no skips
Alt text 75% of 16 content images described every content image
Reader mode parses parses (Firefox’s Readability)

Automated accessibility checks catch an estimated 30–40% of real problems, so “no automated violations detected” is a floor, not a certificate. We never say “accessible”. How these are scored.

Measurement dates

Oldest evidence 45 days old. At least one subject is due for rechecking (30 days or older). Dates refer to the evidence, never the card rebuild.

Measurement history

Newest 9 saved observations. Each describes a sampled page at that time; older, failed or held observations do not override the current reviewed card. Raw automated findings may have been superseded by later review or detector replay. No previous grade is inferred.

Read dated observations
  1. — Readability and accessibility observation; prose source p; desktop type 18px; phone overflow not observed
    https://www.seriouseats.com/the-food-lab-best-chocolate-chip-cookie-recipe
    Evidence source: readability-serp-2026-09-06.jsonl · observation ca98743f9b69
  2. — Access observation: pass; review required
    https://www.seriouseats.com/how-to-substitute-buttermilk
    Evidence source: serp-relist-2026-09-05.jsonl · observation 73ac6b67d761
  3. — Access observation: pass; review required
    https://www.seriouseats.com/butter-basted-pan-seared-steaks-recipe
    Evidence source: serp-relist-2026-09-05.jsonl · observation b0d6ed23a752
  4. — Access observation: pass; review required
    https://www.seriouseats.com/food-lab-complete-guide-to-sous-vide-steak
    Evidence source: serp-relist-2026-09-05.jsonl · observation bad24e8d5708
  5. — Access observation: pass; review required
    https://www.seriouseats.com/how-to-boil-corn-8678609
    Evidence source: serp-relist-2026-09-05.jsonl · observation d3f7f4c25b9c
  6. — Access observation: pass; review required
    https://www.seriouseats.com/chicken-thigh-temperature-technique-11887963
    Evidence source: serp-relist-2026-09-05.jsonl · observation d089bc074ebb
  7. — Access observation: pass; review required
    https://www.seriouseats.com/the-food-lab-the-truth-about-brining-turkey-thanksgiving
    Evidence source: serp-relist-2026-09-05.jsonl · observation 7689a6f5c9ec
  8. — Access observation: pass; review required
    https://www.seriouseats.com/quick-and-dirty-guide-to-brining-turkey-chicken-thanksgiving
    Evidence source: serp-relist-2026-09-05.jsonl · observation 66ffb85df327
  9. — Access observation: pass; review required
    https://www.seriouseats.com/the-food-lab-best-chocolate-chip-cookie-recipe
    Evidence source: serp-relist-2026-09-05.jsonl · observation a4816ce9ee1e

How we know

Pages rendered8
Site verdicterrors dropped; majority of remaining; ties to the stricter verdict; active reviewed exclusions override admission
Figures shownnumeric measurements generally use medians; interruption costs, overflow, keyboard traps and accessibility failures retain the strongest observed finding
Speed varied0.3s to 16.9s across 8 pages, so we show the range rather than one number. A spread that wide usually means our measurement, not the site.
Cited by714 encyclopedia articles
Flaggedat least one render was degraded, so this card is queued for re-measurement

Think this is wrong? It may well be — the measurements cover only a handful of pages. Any reviewed admission decision and its dated evidence are shown above. Re-measurement on request is not built yet, so there is no button here that would do anything. When it exists it will be free and it will be on this page.