E-03 · Category freshnessarchive-recorded · snapshot 2026-09-17
Category Freshness Matrix
A cross-table of the eight categories against update records: how many of each category's archives carry updatedOn inside the ten-day snapshot window 2026-09-06 → 2026-09-17, and how many have no record.
Key numbers
Categories
8
data/tools · N=448
Archives
448
data/tools · N=448
Dated in window
438
updatedOn · N=448
No record
10
updatedOn · N=448
Best-covered category
Coding
dated share · N=8
Category × update-record matrix
all dated values fall inside the snapshot window
| Category | Archives | Dated in window | No record | Dated share |
|---|---|---|---|---|
| Coding | 55 | 55 | 0 | 100% |
| Research | 56 | 55 | 1 | 98.2% |
| Writing | 56 | 54 | 2 | 96.4% |
| Video | 58 | 55 | 3 | 94.8% |
| Audio & Voice | 55 | 53 | 2 | 96.4% |
| Design | 55 | 53 | 2 | 96.4% |
| App Builders | 56 | 56 | 0 | 100% |
| Workflow Automation | 57 | 57 | 0 | 100% |
Dated archives per category
Archives with an updatedOn value, per category.
Method
- Population: all 448 archives grouped by category (N per row in the table).
- "Dated in window" counts archives whose updatedOn falls between 2026-09-06 and 2026-09-17; because the whole dated population does, this equals plain updatedOn presence.
- Dated share = dated ÷ archives per category, rounded to 0.1%.