SEO Guide
Practical SEO improvement guides. Each article includes a checker tool so you can diagnose your site right after reading.
How to Research Competitor Keywords for Free | Step-by-Step Guide
Discover which keywords your competitors rank for, their positions, and estimated traffic — for free. From tool usage to building a content strategy.
Is Domain Power a Google Ranking Factor? | Fact-Checking with Official Sources
Domain Power (DA/DR) is not an official Google metric. Fact-checking the industry's 'common knowledge' using Google employee statements, official documentation, and tool vendors' own disclosures.
What Is Domain Power? How to Check & Improve It
A practitioner's guide to domain power — how it works, how to measure it, and a phased roadmap to improve it through technical SEO, content, and backlinks.
Are SEO_CHECK Items Valid in the AIO Era? | Self-Auditing Our Own Tool
Right after declaring 'GEO is just good SEO,' we audit our own tool's design. Classifying 20 items from an AIO perspective to verify our structured-data-heavy scoring.
How to Boost Rankings by Rewriting Content | GSC-Based Guide
Rewriting existing content is faster than creating new pages. Learn how to find rewrite candidates using GSC data and improve titles, headings, and internal links.
Does llms.txt Work as a GEO Strategy? | CDN Log Data Analysis
Does deploying llms.txt get you cited in AI search? Analyzing CDN logs from ChatGPT, Perplexity, and Claude plus 300K domain studies to verify llms.txt GEO effectiveness.
Does Structured Data Affect Rankings? | Cross-Tool Causal Analysis
Structured data improved rankings — or did it? Cross-tool causal analysis using GA4, SEO_CHECK, and GSC with real data.
New Domain Search Performance Analysis | Diagnosing the 17K Impressions vs 42 Clicks Gap
Perfect technical setup, yet only 42 clicks. A cross-tool diagnostic using GA4, SEO_CHECK, and GSC to unpack the impression/click gap on a new domain.
SEO Strategy for Tool-Based Content | Design Patterns Behind 4,000 Monthly Clicks
Why do tool-based pages outperform articles in search? Backed by real data, learn the cross-tool analysis process using GA4, SEO_CHECK, and GSC.
How to Create XML Sitemaps | Get All Pages Indexed
Learn how to create and submit XML sitemaps. Step-by-step guide for Google Search Console submission. Free sitemap checker tool included.
How to Improve Core Web Vitals | LCP, INP & CLS Guide
Learn how to improve Core Web Vitals (LCP, INP, CLS). Includes benchmark values, optimization tips, and a free checker tool.
Internal Linking Strategy | SEO Optimization Guide
Learn effective internal linking strategies for SEO. Covers optimal link count, anchor text tips, and common mistakes. Free checker tool included.
How to Set Up Canonical Tags | Prevent Duplicate Content Issues
Learn how to properly set up canonical tags to prevent duplicate content issues. Practical guide with common mistakes and best practices.
How to Use Heading Tags (H1-H6) | SEO Best Practices
Learn how to properly use H1-H6 heading tags for SEO. Check your heading structure instantly with our free tool.
How to Write Title Tags | SEO Best Practices & Checker
Learn the optimal title tag length, writing tips, and how to prevent Google rewrites. Check your title settings instantly with our free tool.
How to Create llms.txt | Get Your Site Recognized by AI Search Engines
Step-by-step guide to write and deploy llms.txt for AI search engines like ChatGPT, Perplexity, and Gemini.
How to Write Image Alt Text | SEO & Accessibility Best Practices
Learn the right way to write alt text, common mistakes, and good vs bad examples. Improve image SEO and accessibility together.
How to Set Up OGP Tags | Optimize Social Media Sharing
Learn OGP tag setup, recommended og:image sizes, and Twitter Card differences. Check your social sharing display for free.
How to Write JSON-LD Structured Data | Free Checker Tool
Learn how to write JSON-LD, major Schema.org types, and common mistakes. Check your structured data implementation instantly for free.
How to Write Meta Descriptions | Free Checker Tool
Learn the optimal length, writing tips, and common mistakes for meta descriptions. Check your settings instantly with our free tool.
Check Your SEO Now
Enter a URL to check 30+ items including meta descriptions, structured data, and Core Web Vitals for free.