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Preview of Playful Sparkle SEO Audit

Playful Sparkle SEO Audit by Playful Sparkle

A comprehensive browser-based SEO audit tool that analyzes technical SEO, content, metadata, links, images, structured data, accessibility, and more.

Available on Firefox for Android™Available on Firefox for Android™
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Extension Metadata

Screenshots
The Overview tab provides a Google search preview, robots directives, language detection, content metrics, canonical information, sitemap discovery, HTTP response status, and prioritized SEO findings with severity levels.The Headings tab analyses the page's H1-H6 heading structure, showing heading counts, hierarchy, nesting, and heading order. It provides a visual heading tree and lets you copy the complete heading structure for further analysis.The Images tab analyses all images on the page, showing total image count, missing alt text, decorative empty alt text, image previews, alt text, and image URLs. It also lets you copy the image data for further analysis.The Links tab analyses internal and external links, showing link counts, anchor text, URLs, duplicate links, nofollow attributes, and robots.txt restrictions. It also separates internal, external, and external resource links for detailed inspection.The Structured Data tab detects and displays structured data entities and their properties, with direct access to Google Rich Results Test and Schema Markup Validator. You can also copy the detected structured data for further analysis.The Meta Tags tab analyses general and social metadata, including page title, meta description, robots directives, canonical URL, language, charset, viewport, Open Graph, X (Twitter) Cards, and Dublin Core metadata. It also provides direct access to Facebook Sharing Debugger andThe Options section lets you configure the SEO preview, robots.txt fetching and parsing, crawler User-Agent selection, default copy format, and primary and secondary focus keywords for content analysis.The browser context menu adds quick-access SEO tools for highlighting external links, nofollow links, duplicate links, and images with missing alt text directly on the current webpage.
About this extension
Playful Sparkle SEO Audit is a comprehensive browser-based SEO analysis tool for SEO specialists, web developers, digital marketers, content creators, and website owners. It analyses the currently rendered webpage directly inside your browser, providing immediate insight into technical SEO, content optimisation, accessibility, structured data, and search visibility.

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 content. It also provides optional focus keyword analysis to evaluate keyword placement and density across titles, meta descriptions, URLs, content, headings, and image alt text.

Key Features
  • Comprehensive SEO Analysis: Audit technical SEO, metadata, content, accessibility, links, images, structured data, and technical signals from a single interface.
  • SEO Preview: View a Google search result preview using the page 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 analyse their placement, title position, content usage, heading usage, image alt text, and keyword density.
  • Heading Analysis: Analyse H1-H6 structure, heading hierarchy, nesting, heading 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 directly on the page.
  • Link Analysis: Analyse 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 numerous Schema.org entity types, with direct access to Google Rich Results Test and Schema Markup Validator.
  • Canonical Analysis: Detect missing, duplicate, malformed, cross-host, fragmented, or 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 CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, X-Robots-Tag, X-XSS-Protection, X-UA-Compatible, Alt-Svc, and other response 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 Tools: Open Google Rich Results Test, Schema Markup Validator, Facebook Sharing Debugger, LinkedIn Post Inspector, Google PageSpeed Insights, and W3C HTML Validator.
  • 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 is designed to give you a detailed view of the webpage you are currently working on from a single browser-based audit.
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Required permissions:

  • Input data to the clipboard
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites
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Version
1.0.15
Size
449.26 KB
Last updated
8 hours ago (Aug 9, 2026)
Related Categories
  • Web Development
License
MIT License
Version History
  • See all versions
Tags
  • facebook
  • google
  • image search
  • search
  • twitter
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