<title> | Missing / empty | −10 |
<title> | Present but > 60 chars | −5 |
<title> | Present and ≤ 60 chars | +5 |
<meta name="description"> | Missing entirely | −10 |
<meta name="description"> | Present but empty content | −10 |
<meta name="description"> | Present but > 160 chars | −5 |
<meta name="description"> | Present and 1–160 chars | +5 |
| Heading elements | No h1–h6 at all | −10 |
| Heading elements | Has headings but no <h1> | +4 |
| Heading elements | Has headings and 1–3 <h1> | +10 |
| Heading elements | Has headings and > 3 <h1> | +5 − (5 + min(5, count−3)) |
og:title | Missing | −2 |
og:title | Present | +2 |
og:type | Missing | −2 |
og:type | Present | +2 |
og:image | Missing | −2 |
og:image | Present | +2 |
og:url | Missing | −2 |
og:url | Present | +2 |
og:description | Missing | +1 ⚠️ bug |
og:description | Present | +2 |
<html lang> | No <html> element at all | −100 |
<html lang> | Has <html> but no lang | 0 |
<html lang> | Has lang="..." attribute | +2 |