Page Speed Checker
Quick performance health check for HTML weight, scripts, images, CSS, and inline styles — via URL fetch or pasted markup.
Note: This tool does not measure real user speed or Lighthouse metrics. It evaluates structural factors that *influence* speed.
Login required for URL scanning.
Final-render HTML recommended for JS-heavy pages.
Clear HTML
What you’ll get
A structural performance analysis based on HTML weight, image behaviour, script usage, stylesheet footprint, DOM density and LCP-risk signalling. This does not measure real-world speed — it highlights what *influences* it.
- HTML size (KB) + badge
- Detailed image analysis + LCP scoring
- Alt / missing-alt detection
- Script breakdown (inline vs external)
- CSS & inline-style weight
- H1 count & DOM node density
- Advanced insight recommendations