Advanced Features

    How to read your Pulse scan report

    The Pulse report grades four pillars (uptime, performance, security, SEO), each with drill-downs. Grades are A–F using the same weights as the paid product.

    Updated 2026-07-10
    1 min read
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    Quick answer#

    Four pillar scores (uptime, performance, security, SEO) → weighted overall grade A–F. Click any pillar to see the exact checks that passed/failed.

    What each pillar covers#

  1. Uptime: HTTP 2xx, response time, SSL validity
  2. Performance: TTFB, HTML size, compression, HTTP/2+
  3. Security: HSTS, CSP, X-Frame-Options, secure cookies, TLS version
  4. SEO: title, meta description, canonical, robots, structured data, hreflang
  5. Where to find it in Lemwatch#

    /pulse/<scan-id> — shareable public URL for every scan.

    How to act on findings#

  6. Fix any red (F) items first — they usually take minutes.
  7. Amber (C/D) items are best-practice gaps.
  8. Green (A/B) items are healthy — no action needed.
  9. To re-scan after a fix, run Pulse again — new scan, new ID.
  10. FAQ#

    Why is my grade different from PageSpeed?#

    Different methodology. Pulse is a fast lab check, not a Chrome-UX rollup.

    Are Pulse scores comparable to the paid product?#

    Yes — same scoring weights, single-region only.

  11. Pulse overview
  12. Claim a Pulse scan
  13. Security headers explained
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