cyberneticlibrary

Capture web page and accessibility tree

Skillskillsetup L21
garricn/sitecap
What it does

Capture web page state and metadata

Best for

Comprehensive page auditing (visual, accessibility, performance, network) when you need multi-layer diagnostics beyond screenshots.

Inputs
  • · URL
  • · Viewport size (optional, e.g., 375x812)
  • · Chrome profile (optional)
Outputs
  • · Screenshot PNG
  • · Accessibility tree (text)
  • · HTML
  • · Console errors JSON
  • · Performance metrics JSON
  • · Network requests JSON
Requires
  • · sitecap npx package
  • · Headless Chrome/Chromium
Preconditions
  • · sitecap installed via npm
  • · URL accessible
  • · Browser available
Failure modes
  • · URL timeout or 404
  • · sitecap npm install fails
  • · Chromium not installed
Trust signals
  • · Accessibility tree extraction
  • · Performance metrics
  • · Console error logging
  • · Network request capture