Free On-Page SEO Checker

On-page SEO refers to the practice of optimizing individual web pages to rank higher in search engines. It encompasses both the content visible to users and the HTML source code that search engines crawl. Unlike off-page SEO which focuses on external signals like backlinks, on-page SEO gives you full control over optimization elements directly on your website.

Key on-page factors include title tags, meta descriptions, heading structure, image optimization, internal linking, content quality, URL structure, and schema markup. Each of these elements sends signals to search engines about what your page is about and how valuable it is to users.

This tool performs 100 individual checks across 10 critical categories:

Title Tag (10 checks): Length, keyword presence, uniqueness, brand inclusion, stop words, special characters, keyword placement, front-loading, click-worthiness, and duplication.

Meta Description (10 checks): Length, keyword usage, call-to-action, uniqueness, URL mention, special characters, readability, relevance, missing status, and duplication.

Heading Structure (10 checks): H1 presence, single H1, H1 keyword, heading hierarchy, heading count, heading length, keyword in H2, descriptive headings, skip-level detection, and heading balance.

Images (10 checks): Alt text presence, alt text length, alt keyword usage, file size check, lazy loading, WebP format, width/height attributes, decorative alt handling, image count, and descriptive alt text.

Links (10 checks): Internal link count, external link count, anchor text quality, nofollow ratio, broken link indicators, footer links, sidebar links, in-content links, link depth, and orphan page risk.

Content Quality (10 checks): Word count, readability score, keyword density, semantic keywords, content uniqueness, paragraph length, list usage, table usage, fresh signals, and comprehensive coverage.

Technical SEO (10 checks): Canonical tag, robots meta, viewport meta, charset declaration, language tag, HTTPS, XML sitemap reference, clean URL, crawl directives, and page size.

Open Graph & Social (10 checks): og:title, og:description, og:image, og:url, og:type, Twitter card, Twitter title, Twitter description, social image dimensions, and locale tag.

Schema Markup (10 checks): Schema presence, correct format, Organization schema, WebPage schema, BreadcrumbList, FAQPage, Article schema, required properties, nested schemas, and rich result eligibility.

URL & Accessibility (10 checks): URL length, keyword in URL, hyphen usage, lowercase URL, no parameters, no special characters, favicon, HTTPS mixed content, ARIA landmarks, and semantic HTML.

Step 1: Enter any URL in the input field above. You can use the full URL or just the domain and path.

Step 2: Click the "Run 100 Checks" button. The tool fetches the page and analyzes it in your browser.

Step 3: Review your results. Each check shows a pass, warning, or fail status with a detailed explanation and fix recommendation.

Step 4: Use the filter buttons to focus on failures and warnings. Fix critical issues first for the biggest ranking impact.

Step 5: Re-run the check after making changes to verify your fixes worked correctly.

Direct Ranking Factor: Title tags, headings, and content are direct ranking factors. Optimizing them improves your chances of ranking for target keywords.

User Experience: Good on-page SEO improves readability, navigation, and accessibility, leading to lower bounce rates and higher engagement metrics.

Crawl Efficiency: Proper technical on-page elements help search engines crawl and index your pages faster and more accurately.

Rich Results: Schema markup and structured content enable rich snippets, knowledge panels, and other enhanced SERP features.

Competitive Edge: Most competitors neglect basic on-page SEO. Fixing these fundamentals gives you an immediate advantage.