Performance
How quickly the page is served and drawn, which part of that an AI crawler ever sees, and where the measurement behind a threshold comes from.
- 13 published entries
- A10 grade A
- B1 grade B
- C2 grade C
- earliest re-check due 2026-12
A grade describes where an entry's sources come from, not how likely a change is to work. How grades are used
- Aofficial documentation or a standardR-121
CLS image dimensions
Re-check due 2027-06 - Aofficial documentation or a standardR-117
CWV ranking signal
Re-check due 2027-06 - Aofficial documentation or a standardR-116
CWV thresholds
Re-check due 2027-06 - Aofficial documentation or a standardR-118
Field and lab performance measure different conditions
Re-check due 2027-06 - Aofficial documentation or a standardR-126
Image formats and sizing
Re-check due 2027-06 - Aofficial documentation or a standardR-119
INP replaced fid
Re-check due 2027-06 - Aofficial documentation or a standardR-120
LCP causes
Re-check due 2027-06 - Aofficial documentation or a standardR-122
Render blocking
Re-check due 2027-06 - Aofficial documentation or a standardR-125
Text compression
Re-check due 2027-06 - Aofficial documentation or a standardR-124
Third party scripts
Re-check due 2027-06 - Bpeer-reviewed or a large controlled studyR-123
Page weight and crawl
Re-check due 2027-03 - Creputable industry data or observationR-127
Initial HTML and AI crawler rendering limits
Re-check due 2026-12 - Creputable industry data or observationR-128
Speed and engagement
Re-check due 2027-09
Other topics
- Access and crawlers18
- Agent readiness27
- Answer engines25
- Commercial12
- Content11
- Entities8
- Languages and regions7
- Measurement10
- Policies13
- Retrieval9
- Technical29
- Trust and provenance5
Every entry is searchable together in the full knowledge base. Vercatus plays cite entries by id. How the base is curated.