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Client-side ProcessingUpdated 2026-02-11Report issue

Runs fully in your browser. Inputs stay on your device. See recent fixes on changelog.

Basic SEO Analyzer

Analyze HTML content for basic SEO best practices.

FreeRuns in browserseo analyzerseo checker

Title Tag

Missing!

Meta Description

Missing!

H1 Tags

0 (Should be 1)

Images Without Alt

0

Total Links

0

Viewport Meta

Missing!

0 chars
Cmd/Ctrl+Enter Primary actionCmd/Ctrl+Shift+L Load sampleCmd/Ctrl+Shift+X Clear/resetCmd/Ctrl+Shift+C Copy result

About Basic SEO Analyzer

Analyze HTML content for basic SEO best practices online for free. Check for title tags, meta descriptions, H1 usage, image alt text, and viewport settings. Delivers a comprehensive breakdown of your content with real-time metrics updated as you type. Supports Unicode text including multi-byte characters, emoji, and mixed-language content. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.

Related tools: Meta Tag Generator, Keyword Density Analyzer, Readability Score Checker

How to Use Basic SEO Analyzer

  1. Paste or type your content into the input field.
  2. The tool analyzes it and displays metrics instantly.
  3. Review the detailed breakdown of your content.

Frequently Asked Questions

What is Basic SEO Analyzer?
Analyze HTML content for basic SEO best practices online for free. Check for title tags, meta descriptions, H1 usage, image alt text, and viewport settings.
How are words and sentences counted?
Words are counted by splitting on whitespace boundaries, following the same rules used by most word processors. Sentences are detected by punctuation marks (periods, question marks, exclamation marks) followed by whitespace or end of text.
Does the analysis count Unicode characters?
Yes, the tool counts Unicode characters correctly, treating each grapheme cluster (including emoji and combined characters) as a single character. This gives you an accurate count regardless of the language or script used.
What metrics are included?
The analysis provides a comprehensive set of metrics such as character count, word count, sentence count, paragraph count, and reading time estimates. Specific tools may include additional domain-relevant metrics.
Is Basic SEO Analyzer free to use?
Yes, all analysis features are free with no restrictions. The tool runs locally in your browser and needs no account.
Is my data safe when using Basic SEO Analyzer?
Yes, all analysis is performed locally in your browser. Your content is never uploaded or transmitted to any external server.

Related Tools

Meta Tag Generator
Generate HTML meta tags for SEO and social sharing.
Keyword Density Analyzer
Analyze keyword density and frequency in text.
Readability Score Checker
Calculate Flesch-Kincaid and other readability scores.