Free online backlink checker and SEO analyzer. Analyze any URL for meta tags, headings, link structure (internal/external/nofollow), image alt text, SSL status, page size, and load time. Get a complete on-page SEO audit with actionable recommendations and health score. 100% browser-based.
100% browser-based — your data never leaves your device
Backlink Checker is a free online seo tool that analyze any webpage's seo profile — meta tags, headings, link structure, images, and technical seo. get a complete on-page seo audit with actionable recommendations. privacy-first — your data is never stored. It works entirely in your browser — no downloads, no installations, and no server uploads required. digital marketers, content strategists, web developers use Backlink Checker when they need a fast, privacy-respecting way to process seo data without installing additional software. It supports capabilities such as meta tag analysis, link profile, heading structure. Additional features include image analysis, technical seo, actionable tips. Common use cases include analyze competitor pages for seo structure and heading hierarchy insights, audit your own pages for missing meta tags, alt text, and technical seo issues, check link distribution and nofollow ratios on guest post or sponsored content pages. All processing happens locally using modern browser APIs, which means your data never leaves your device. This makes Backlink Checker ideal for working with sensitive data, proprietary code, or any situation where privacy matters.
Backlink Checker is a free online seo tool that helps you analyze any webpage's seo profile — meta tags, headings, link structure, images, and technical seo. get a complete on-page seo audit with actionable recommendations. privacy-first — your data is never stored. Key capabilities include meta tag analysis, link profile, heading structure. All processing is done locally in your browser — no data is uploaded, stored, or shared with any server. There are no sign-ups, no file size limits, and no hidden charges. It is commonly used to analyze competitor pages for seo structure and heading hierarchy insights.
Type or paste the full URL of the page you want to analyze, including the domain name (e.g., example.com).
The tool fetches the page server-side and analyzes its HTML, meta tags, headings, links, images, and technical SEO factors.
Explore tabs covering meta tags, link profile, heading structure, image analysis, and technical SEO. Each section includes actionable recommendations.
| Category | Details |
|---|---|
| Input Limits | Maximum page size: Browser memory bound |
| URL limit: Unlimited | |
| Supported Formats | HTML, XML (sitemaps), Plain text, URLs |
| Browser Engine |
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All operations run entirely in your browser using built-in SEO APIs. No server uploads, no data storage, and no third-party requests.
Backlink Checker is ideal when you need to analyze competitor pages for seo structure and heading hierarchy insights without installing software or uploading data to a server. Since everything runs in your browser, there is no setup time and no risk of your data being stored on external servers. For for monitoring live search performance, consider using Google Search Console. For for comprehensive technical SEO crawls, Screaming Frog may be a better fit. Backlink Checker fills the gap between heavyweight desktop tools and insecure online services that require uploading your data.
This tool performs a complete on-page SEO analysis: meta tags, headings, link profile (internal/external, nofollow/dofollow), images with alt text, and technical checks (SSL, robots.txt, sitemap, page size, load time). For who-links-to-you backlink data, specialized tools like Ahrefs or Moz are recommended.
This tool shows the outbound link profile of a page — what links exist on the page and where they go. For a full backlink analysis (other sites linking to yours), you need access to link index databases. This tool gives you valuable on-page SEO data that complements backlink analysis.
No. The URL is fetched temporarily for analysis and discarded immediately. We do not store, log, or share any URLs you analyze.
Detects title tags, meta descriptions, canonical URLs, Open Graph, and Twitter Card tags with length validation.
Counts total links, internal vs external, and nofollow vs dofollow ratios for the page.
Extracts H1-H6 headings in order and flags missing H1 or multiple H1 issues.
Counts images with and without alt text for accessibility and SEO compliance.
Checks status codes, SSL/HTTPS, robots.txt existence, XML sitemap, page size, and load time.
Generates prioritized recommendations based on detected issues for immediate SEO improvements.
Backlink Checker is useful in a variety of scenarios across different workflows:
Analyze competitor pages for SEO structure and heading hierarchy insights
Audit your own pages for missing meta tags, alt text, and technical SEO issues
Check link distribution and nofollow ratios on guest post or sponsored content pages
Verify SSL, robots.txt, and sitemap configuration during site migrations
Use this tool alongside our Plagiarism Checker and Keyword Density Analyzer for a comprehensive content audit. No single tool covers everything.
Analyze top-ranking competitor pages to see how they structure their H1-H3 headings. This reveals their content hierarchy and target keyword focus.
Explore more tools in the SEO workspace:
Meta Tag Generator
Generate optimized meta tags including OG and Twitter Card tags.
Robots.txt Tester
Validate and test your robots.txt rules against specific URLs.
Sitemap Generator
Generate XML sitemaps from a list of URLs with priority and frequency settings.
Heading Analyzer
Extract and analyze heading structure (H1-H6) from any HTML.
Keyword Density Analyzer
Analyze keyword frequency and density in any text for SEO optimization.
Schema Generator
Generate JSON-LD schema markup for articles, products, FAQs, local business, and more.