Hreflang Tag Checker

Bulk validate website hreflang tags for international SEO. Audit multi-language sites for missing x-default tags, bidirectional errors, and ISO code compliance.

Validate hreflang implementation (<link rel="alternate" hreflang=...>) to prevent international SEO issues. Detects missing/duplicate hreflangs, invalid language-region codes, missing self reference, and optional reciprocal hreflang checks.

Website Language Detector

automation-lab/website-language-detector

This actor detects the language of web pages by analyzing multiple signals: HTML `lang` attribute, `Content-Language` HTTP header, meta tags, Open Graph locale, and hreflang tags. It reports language codes, confidence levels, charset, text direction, and identifies language-related issues.

Analyze SEO meta tags for any list of URLs: title tag, meta description, canonical URL, robots meta, Open Graph, Twitter Cards, viewport, and hreflang. Produces a structured report with warnings and an SEO score for audits and QA.

Canonical URL Checker

automation-lab/canonical-url-checker

This actor validates canonical URL tags on web pages. It checks both HTML `<link rel="canonical">` tags and HTTP `Link` header canonicals. It verifies that the canonical URL is accessible, self-referencing when appropriate, absolute (not relative), and consistent between HTML and HTTP...

Youtube Tags Scraper

alpha-scraper/youtube-tags-scraper

Extract tags and key metadata from YouTube videos . This actor collects video tags, high-quality thumbnails, and structured tag data from one or multiple URLs—perfect for SEO research, keyword analysis, content planning, and competitor insights.

Open Graph & Meta Tag Extractor

automation-lab/og-meta-extractor

This actor fetches any list of URLs and extracts all social media meta tags (Open Graph, Twitter Cards), SEO metadata (title, description, canonical, robots), structured data (JSON-LD), and internationalization (hreflang). Use it for social media audits, SEO analysis, link preview...

HTML Validator

automation-lab/html-validator

This actor validates HTML structure on web pages. It checks for DOCTYPE declaration, character encoding, language attribute, deprecated HTML elements, viewport meta tag, multiple head/body elements, excessive inline styles, and empty structural elements. Each page gets a validation score.

Meta Tag Audit

zerobreak/meta-tag-audit

Meta tag audit tool that reads title tags, meta descriptions, Open Graph fields, and Twitter Cards from any webpage, returning character counts, length checks, and a 0-100 SEO score per page.

Comprehensive on-page SEO analyzer for any URL. Get an instant SEO score (0-100) with actionable recommendations. Checks title tags, meta descriptions, headings, images, links, Open Graph, and content quality. Perfect for SEO audits, competitor analysis, and site optimization.