Tool: SEO SERP & Structured Data Analyzer

[lovestaco]

Problem Statement

Checking how a website appears in search engines and validating structured data currently requires juggling multiple tools. Some focus only on SEO, others on structured data, and very few provide a combined, user-friendly interface.

We need a single tool to analyze meta tags, simulate a SERP snippet, and validate JSON-LD structured data.

Proposed Solution

Create a SEO SERP & Structured Data Analyzer that includes:

1. SERP Snippet Preview

• Simulated search result display (title, description, URL).
• Separate previews for Desktop and Mobile.

2. Meta Tag Analysis

• Extract <title> tag content.
• Extract <meta name="description"> content.
• Show character counts with warnings for length issues.

3. Structured Data / JSON-LD Report

• Detect <script type="application/ld+json"> blocks.
• Extract JSON-LD code and identify Schema.org types used (e.g., Article, Product, FAQPage).
• Perform basic syntax validation.

4. On-Page SEO Audit

• Check for canonical tag (<link rel="canonical">).
• Analyze robots meta tag (<meta name="robots">).
• Display H1 tag content.
• Report total word count.

5. Performance & Technical SEO

• Show current page URL and final redirect destination.
• Report page load time (basic metric).
• Check HTTPS status.
• Detect existence of sitemap.xml.

Alternative Solutions

Some tools exist but are fragmented and limited in scope. This project aims to provide an integrated and extensible solution.

Additional Context

This tool would be highly useful for:

• SEO professionals auditing websites.
• Developers optimizing their site’s metadata.
• Marketers previewing how content will appear in SERPs.

Potential Enhancements

• Mobile vs Desktop previews with live toggles.
• Error highlighting (e.g., missing meta tags, invalid structured data).
• Editable snippet preview for testing optimizations.
• Integration with basic performance metrics.

References

• Schema.org
• Google Rich Results Test

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I'm happy to hold your hand through this if you need help. Catch me on discord.
https://hexmos.com/freedevtools/

[lovestaco]

You can refer to the CONTRIBUTING.md for further instructions.

Also, we have a Discord channel you can join if you need any kind of input — the community is very friendly and helpful.
You can dm me(lovestaco in Discord) as well.