Score one page's on-page SEO out of 100: title, description, h1, canonical, alt ...

{ "method": "GET", "queryParams": { "url": "https://docs.python.org/3/index.html" }, "type": "http" }

{ "example": { "asOf": "2026-10-23T03:26:07.286Z", "canonical": "https://docs.python.org/3/index.html", "degraded": false, "description": "The official Python documentation.", "descriptionLength": 34, "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.", "externalLinks": 23, "firstH1": "Python 3.15.1 documentation", "fixes": [ { "area": "description", "fix": "Meta description is 34 characters; aim for 70 to 160.", "pointsLost": 7, "severity": "MEDIUM" }, { "area": "structured-data", "fix": "Add JSON-LD structured data (schema.org) if the page is an article, product, organisation or similar.", "pointsLost": 5, "severity": "MEDIUM" } ], "grade": "B", "h1Count": 1, "h2": 0, "h3": 8, "headingSkips": 1, "hreflangCount": 0, "httpStatus": 200, "images": 3, "imagesEmptyAlt": 0, "imagesMissingAlt": 0, "internalLinks": 70, "jsonLdBlocks": 0, "lang": "en", "nofollowLinks": 0, "noindex": false, "notChecked": [ "text added by JavaScript after load", "anything past the first 256 KB", "…3 more" ], "openGraph": { "description": "The official Python documentation.", "image": "https://docs.python.org/3/_static/og-image.png", "image:height": "200", "image:width": "200", "site_name": "Python documentation", "title": "Python 3.15 documentation", "type": "website", "url": "https://docs.python.org/3/" }, "reasons": [ "MEDIUM description: Meta description is 34 characters; aim for 70 to 160.", "MEDIUM structured-data: Add JSON-LD structured data (schema.org) if the page is an article, product, organisation or similar.", "…1 more" ], "score": 83, "source": "live GET of the named page", "summary": "https://docs.python.org/3/index.html scores 83/100 on-page (grade B); 3 fixes listed.", "title": "3.15.1 Documentation", "titleLength": 20, "truncated": false, "twitter": {}, "url": "https://docs.python.org/3/index.html", "verdict": "SEO_GRADE_B", "viewport": "width=device-width, initial-scale=1.0", "words": 465 }, "type": "json" }