SEO Rules
VibeLinter checks your website against 27 SEO rules across 10 categories. Each rule helps improve your search visibility, accessibility, and user experience.
meta Rules
Canonical URL SEO Rule
Ensure every page has a valid canonical URL to prevent duplicate content issues and consolidate link equity
Meta Description SEO Rule
Validate that every page includes a well-crafted meta description with optimal length for search engine snippets
Favicon SEO Rule
Check that your site has properly configured favicon link tags in common image formats
Mobile SEO Rule
Comprehensive mobile optimization checks including viewport, touch targets, font sizes, and mobile navigation
Robots Meta Tag SEO Rule
Validate robots meta tags for correct crawl and index directives without conflicting signals
Title Tag SEO Rule
Check that every page has a properly formatted title tag with optimal length for search engines
Content Uniqueness SEO Rule
Detect duplicate titles and meta descriptions across your entire site to ensure each page has unique metadata
Viewport Meta Tag SEO Rule
Ensure the viewport meta tag is correctly configured for mobile-first indexing and responsive design
headings Rules
H1 Tag SEO Rule
Validate that every page has exactly one non-empty H1 tag with appropriate length for search optimization
Heading Hierarchy SEO Rule
Validate proper heading hierarchy from H1 through H6 without skipping levels for semantic structure
Heading Keywords SEO Rule
Check that target keywords appear naturally in headings without keyword stuffing
Heading Structure SEO Rule
Verify that every page has the required H1 and H2 heading levels for proper content structure
images Rules
Image Accessibility SEO Rule
Verify that all images are accessible by checking src attributes, HTTP status codes, content types, and file sizes
Image Alt Text SEO Rule
Validate that all images have descriptive, non-generic alt text for SEO and accessibility
Image File Size SEO Rule
Check image file sizes to ensure fast page loading and optimal performance for SEO
Image Format SEO Rule
Check that images use modern formats like WebP and AVIF for better compression and performance
Image Lazy Loading SEO Rule
Validate proper lazy loading implementation for images to optimize page load performance
Image Dimensions SEO Rule
Check that images have explicit width and height attributes to prevent Cumulative Layout Shift
social Rules
OG Image SEO Rule
Validate Open Graph images for proper accessibility, dimensions, file size, and format
Social Media Links SEO Rule
Check for social media platform links and Open Graph meta tags to optimize social sharing and engagement
legal Rules
Privacy Policy SEO Rule
Check that your website includes a link to a privacy policy page for legal compliance and trust
Terms of Service SEO Rule
Check that your website includes a link to terms of service for legal compliance and trust signals