# Web Standards & Accessibility — Ops Portal Checklist
Applied during the July 2026 audit to all 10 ops portal HTML files. Covers HTML5 validity, WCAG 2.1 AA, and ARIA compliance.
## Structural Requirements
### Document-Level
- `` (first line)
- ``
- `` (first element in ``)
- ``
### Semantic Elements
| Element | When to Use |
|---------|-------------|
| `` | One per page, wraps primary content |
| `` | Page header (h1 + actions) |
| `