Free SEO Tools & Visibility Analyzers

Free SEO Tools for Search, AI, YouTube, and Local Visibility

Analyze website SEO, AI search visibility, YouTube performance, and Google Business Profile signals with four specialized analyzers and 100+ free tools in one platform.

Explore 100+ Free Tools
SEO Analyzer AI Visibility Analyzer YouTube Channel Audit GMB Profile Analyzer
100+ Free ToolsFour Specialized AnalyzersInstant, Actionable Results
Core Analyzers

Analyze Every Part of Your Online Visibility

Run focused audits for website SEO, AI search visibility, Google Business Profile performance, and YouTube channel growth from one platform.

Core

SEO Analyzer

Find on-page, technical, indexing, speed, content, and link issues with a clear SEO score and prioritized fixes.

Run SEO Analysis
NEW

AI Visibility Analyzer

Check AI search readiness, crawler access, entity clarity, structured content, and citation opportunities across modern answer engines.

Check AI Visibility
NEW

GMB Profile Analyzer

Audit profile completeness, business categories, reviews, NAP consistency, local SEO signals, and Google Business Profile readiness.

Audit GMB Profile
NEW

YouTube Channel Audit

Review channel SEO, metadata, engagement, discoverability, content gaps, and growth signals with actionable recommendations.

Audit YouTube Channel
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Free Tool Library

Explore 100+ Free SEO and Website Tools

Choose from focused tools for SEO, keywords, technical checks, AI visibility, YouTube, content, images, and everyday web tasks.

Browse All 100+ Free Tools
How SEOLark Works

Get Clear Scores, Issues, and Next Steps in Minutes

Choose an analyzer or free tool, enter the required website, channel, or profile details, and review a focused report with clear priorities and recommended actions.

01
Choose a Tool
Select the analyzer or focused free tool that matches the task you want to complete.
02
Enter the Required Details
Provide a website URL, YouTube channel, Google Business Profile, keyword, text, or other required input.
03
Review the Results
See scores, detected issues, priority levels, and practical next steps in a clear report.
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4 Analyzer Types
Instant Results
Sample Report Preview
SEO Analyzer
Free Report
SEO Score 84/100
Critical Issues 12 found
Warnings 28 found
Passed Checks 64 passed
Priority Fixes Ordered by impact

Sample preview — actual results depend on the analyzed website, channel, or profile.

Website SEO Analyzer

Find and Fix Website SEO Issues with a Free SEO Analyzer

Check on-page, technical, indexing, speed, content, and link issues, then focus on the fixes that matter most for search visibility.

On-Page SEO
Review titles, meta descriptions, headings, content structure, keyword placement, and image ALT text.
Technical SEO
Check canonicals, HTTPS, redirects, status codes, robots.txt, sitemaps, and crawl access.
Indexing & Crawlability
Identify signals that may prevent search engines from discovering, crawling, or indexing important pages.
Speed & Mobile
Review mobile readiness, viewport setup, page-weight signals, and performance-related issues.
Links & Site Structure
Find broken links, weak internal linking, redirect chains, and structural navigation problems.
Content & Search Readiness
Assess readability, content organization, structured signals, and opportunities to improve search understanding.
Run Free SEO Analysis View SEO Analyzer Details
Example Website Issues
  • Missing Title
    Reduces visibility in search results.
    Critical
  • Broken Link
    Hurts crawl flow and user navigation.
    Critical
  • Slow Mobile Page
    Impacts experience and rankings.
    Warning
  • Canonical Conflict
    Creates duplicate URL confusion.
    Warning
  • Blocked Crawl
    Prevents pages from being indexed.
    Critical
  • Weak Heading Structure
    Makes the page topic less clear.
    Opportunity

Example issues — actual results depend on the audited website.

AI Visibility Analyzer

Check How Ready Your Website Is for AI Search and Answer Engines

Evaluate crawler access, entity clarity, structured content, answer readiness, and citation opportunities to understand how well your website can be interpreted by modern AI platforms.

AI Crawler Access
Check whether important AI and search crawlers can access and interpret the website.
Entity Clarity
Review whether brands, services, people, locations, and topics are clearly connected.
Structured Content
Identify headings, FAQs, schema, summaries, and machine-readable content signals.
Citation Readiness
Assess whether content contains clear, trustworthy, and reference-friendly information.
Answer Engine Readiness
Find gaps that may limit visibility in AI-generated answers and search experiences.
Check AI Visibility Learn About AI Visibility Analysis
AI Visibility Snapshot Sample Preview
AI Readiness Signals
Overall AI Signal Strong
Bot and Crawler Reach Strong
Topic and Entity Coverage Moderate
Content Structure Depth Moderate
Reference and Citation Potential Needs Work
Evaluated Across AI Platforms
Google AI ChatGPT Gemini Perplexity

Sample preview — actual results depend on the analyzed website.

YouTube Channel Overview
Sample Preview
SEO & Discovery Setup Strong
Title & Description Clarity Needs Attention
Search Visibility Signal Strong
View & Response Pattern Needs Attention
Publishing & Growth Signal Opportunity

Sample preview — actual results depend on the audited channel.

YouTube Channel Audit

Audit Your YouTube Channel and Find What Is Limiting Growth

Review channel SEO, metadata, discoverability, engagement signals, and content opportunities to understand what needs improvement next.

Channel SEO
Review channel-level titles, descriptions, keywords, branding, and optimization signals.
Video Metadata
Review how clearly recent video titles and descriptions communicate each video's topic.
Discoverability
Identify signals that may affect how easily videos and the channel can be found.
Engagement Signals
Review view performance and subscriber response patterns across recent videos.
Content Opportunities
Review upload consistency, publishing patterns, and suggested next steps to support channel growth.
Audit YouTube Channel Explore YouTube SEO Tools
GMB Profile Analyzer

Run a Google Business Profile Audit and Improve Local Visibility

See how complete your listing is, whether your categories are accurate, how reviews and NAP details compare, and what local SEO signals may be holding back visibility.

Profile Completeness
Check important business details, services, products, photos, and profile fields.
Business Categories
Review the primary and secondary categories used to describe the business.
Reviews and Trust
Assess review volume, freshness, ratings, and response quality.
NAP Consistency
Check whether business name, address, and phone details remain consistent.
Local SEO Signals
Review website, structured data, local content, and profile-related visibility signals.
Audit Google Business Profile
Local Profile Overview
Sample Preview
Listing Completeness Check Strong
Category Accuracy Needs Attention
Review & Rating Signal Strong
Name/Address/Phone Match Needs Attention
Local Visibility Factors Opportunity

Sample preview — actual results depend on the audited business profile.

Why SEOLark

One Free Tools Platform for Websites, Creators, and Local Businesses

Use specialized analyzers and 100+ focused tools to understand issues, prioritize improvements, and take clearer action across search, AI, YouTube, and local visibility.

Explore SEOLark Tools
Four Specialized Analyzers
Dedicated audits for website SEO, AI visibility, and YouTube channels, and Google Business Profiles.
100+ Focused Tools
Quick tools for SEO, keywords, technical checks, content, images, and web tasks.
Clear Priorities
Understand what needs attention first instead of reviewing a flat list of issues.
Actionable Guidance
Turn findings into practical next steps without unnecessary complexity.
Modern Visibility Coverage
Support for traditional search, AI search, video discovery, and local visibility.
Built for Different Users
Useful for website owners, SEO professionals, agencies, creators, and local businesses.
Built For
Website Owners SEO Professionals Agencies Content Teams YouTube Creators Local Businesses
Questions & Answers

Frequently Asked Questions About SEOLark Free Tools

Quick answers about SEOLark's free analyzers and 100+ SEO, AI, YouTube, and local visibility tools.

Still have questions? Contact us
Yes. SEOLark offers free access to its analyzers and 100+ tools, with usage limits that may apply. No credit card is required to get started.
SEOLark includes a Website SEO Analyzer, an AI Visibility Analyzer, and a YouTube Channel Audit, and a Google Business Profile Analyzer, each focused on a different area of visibility.
The SEO Analyzer reviews on-page, technical, indexing, speed, link, and content signals to highlight priority issues on your website.
It reviews how well your website can be understood by AI search tools and answer engines, covering crawler access, entity clarity, structured content, and citation readiness.
Yes. The YouTube Channel Audit reviews channel SEO, video metadata, discoverability, engagement signals, and content opportunities.
It reviews your Google Business Profile's completeness, categories, reviews, NAP consistency, and local SEO signals.
SEOLark provides 100+ free tools covering SEO, keywords, technical checks, content, images, and everyday web tasks, in addition to the four analyzers.
No. Most tools and analyzers can be used without an account, though creating one may unlock saved results and additional features.
Start with the analyzer that matches your goal — the Website SEO Analyzer for a general audit, or the AI Visibility, YouTube, or GMB analyzers for more specific reviews.
Yes. Each analyzer highlights priority issues and suggests practical next steps rather than just listing raw data.
Start with SEOLark

Run an Analyzer or Explore 100+ Free Tools

Choose a focused analyzer for a complete audit, or use a quick free tool for a specific SEO, AI, YouTube, content, image, or website task.

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SEO Analyzer Full on-page audit: title, meta, headings, links and more.
AI / GEO / AEO AnalyzerNEW 80+ checks for AI search visibility and answer engine readiness.
GMB Profile AnalyzerNEW Analyze your Google Business Profile, local SEO signals, reviews, and profile completeness.
YouTube Channel AuditNEW Full channel audit: SEO score, engagement, issues and growth plan.