Playful Sparkle SEO Audit

A lightweight SEO audit tool that checks key SEO, content, and technical factors affecting search visibility and performance.

Playful Sparkle SEO Audit is a browser-based SEO analysis tool for SEO specialists, web developers, digital marketers, content creators, and website owners. It analyses the currently rendered webpage directly in your browser and provides a detailed overview of technical SEO, content, accessibility, structured data, links, images, and search-related signals. The extension analyses page metadata, headings, images, internal and external links, resource links, structured data, canonical URLs, robots.txt, XML sitemaps, HTTP response headers, and page content. Optional focus keyword analysis evaluates keyword placement and density across titles, meta descriptions, URLs, content, headings, and image alt text. Key Features - Comprehensive SEO Analysis: Review technical SEO, metadata, content, accessibility, links, images, structured data, and technical signals from one interface. - SEO Preview: Preview how the page can appear in Google Search using its title, favicon, URL breadcrumb, and meta description. - Metadata Analysis: Inspect titles, descriptions, robots directives, canonical URLs, Open Graph, X Cards, Dublin Core, language, charset, viewport, and duplicate metadata. - Content & Keyword Analysis: Configure primary and secondary focus keywords and review their placement, title position, content usage, heading usage, image alt text, and density. - Heading Analysis: Analyse H1-H6 structure, hierarchy, nesting, order, empty headings, and missing H1 elements. - Image SEO & Accessibility: Inspect image alt text, identify missing alt attributes, distinguish decorative empty alt text, analyse image formats, and locate images on the page. - Link Analysis: Review internal and external links, anchor text, duplicate links, nofollow, sponsored and user-generated content attributes, and robots.txt restrictions. - Resource Analysis: Inspect canonical, alternate, hreflang, navigation, preload, stylesheet, icon, and performance-related resources. - Structured Data: Detect and analyse JSON-LD structured data and Schema.org entity types, including their properties and relationships. - Canonical Analysis: Detect missing, duplicate, malformed, cross-host, fragmented, and non-self-referencing canonical URLs. - robots.txt Analysis: Parse robots.txt, discover XML sitemaps, check crawling restrictions, identify blocked internal links, and evaluate rules using different crawler User-Agent profiles. - HTTP Header Analysis: Inspect security, caching, content, referrer, and crawler-related response headers, including commonly used HTTP security and control headers. - Visual DOM Highlighting: Highlight external links, duplicate links, nofollow links, and images with missing alt text directly on the webpage. - Readability Metrics: Analyse word count, character count, sentence count, average word length, and average sentence length. - SEO Validation: Open relevant external validation and diagnostic services for structured data, search result presentation, page performance, social sharing previews, and HTML validation. - Copy Audit Data: Copy supported audit data as Plain Text or Markdown. - Severity-Based Findings: Issues are classified by severity to help identify which findings require attention first. - Local Analysis: Page analysis is performed locally inside your browser without external SEO APIs, accounts, tracking, or telemetry. Playful Sparkle SEO Audit gives you a detailed view of the webpage you are currently working on through a single browser-based audit.