Hreflang & Canonical Checker — Find SEO Errors

Favicon & Brand Asset Checker

pillowy_travel/favicon-brand-asset-checker

Checks favicon presence and basic brand asset indicators on a website.

Hreflang Tag Checker API | SEO Validator

andok/hreflang-checker

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

SEO Meta Description Checker

gr_59017/seo-meta-description-checker

Checks whether a website has an SEO-friendly title and meta description. Validates their presence, length, and quality, then generates a simple SEO score to help identify on-page optimization issues quickly.

Hreflang Tags Extractor

benthepythondev/hreflang-tags-extractor

Extract hreflang alternate tags from international SEO pages.

Free SEO & metadata audit for any URL: title, meta description, OpenGraph, Twitter card, JSON-LD types, canonical, hreflang, viewport, robots, and link/image checks. No API key.

SEO Checker

louisdeconinck/seo-checker

SEO Checker is an advanced Actor that performs comprehensive on-site SEO analysis for any website. It crawls web pages and extracts crucial SEO elements, providing detailed insights to help improve your website's search engine optimization.

Analyze any domain for SEO metrics: authority score, DNS records, SSL, WHOIS, tech stack detection, meta tags, and HTTP performance. Supports bulk checking up to 50 domains.

Broken Link Checker - Find 404s and Dead Links

santamaria-automations/broken-link-checker

Crawl any website and find broken links, 404 errors, redirect chains, timeouts, and SSL failures. Essential for SEO audits, QA, and content maintenance. Export data, run via API, schedule and monitor runs, or integrate with other tools.

SEO Duplicate Content Detector

gr_59017/seo-duplicate-content-detector

Detects duplicate or identical content across multiple webpages by analyzing visible page text. Helps identify SEO duplicate content issues, content reuse, and potential ranking risks using simple content comparison and scoring.

Hreflang Checker

gifted_wagon/hreflang-reciprocity-auditor

Audit hreflang syntax, duplicates, canonical alignment, self-reference, x-default, and bounded reciprocal links with evidence.