On-Page SEO
On-Page SEO Guide 2026: The Content Optimization Master Class
Master on-page SEO in 2026. A complete guide to optimizing content, titles, headers, and images for higher rankings and better user experience.
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The Sitecheck Blog
Expert insights on SEO, web performance, accessibility, and engineering better web experiences.
Glossary
What are SEO Keywords? A Beginner Guide
Learn what keywords are, why they are the foundation of SEO, and the difference between short-tail and long-tail keywords.
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Glossary
What is a Canonical Tag? Duplicate Content Solved
Understand what a canonical tag is (rel=canonical), why it is crucial for SEO, and how it prevents duplicate content issues on your website.
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Glossary
What is a URL? The Address of the Web Explained
A simple explanation of what a URL consists of, its structure (protocol, domain, path), and why clean URLs matter for SEO and users.
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Glossary
What is WCAG? Web Accessibility Guidelines Explained
A simple guide to WCAG (Web Content Accessibility Guidelines). Understand the 4 principles (POUR) and different compliance levels (A, AA, AAA).
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Technical SEO
The Ultimate Technical SEO & LLM Checklist for 2026: Make Your Site AI-Ready
A hands-on, prioritized technical SEO checklist with practical steps to make your site discoverable by both search engines and AI language models (LLMs). Improve crawlability, Core Web Vitals, structured data, semantic signals, geo-targeting, and monitoring with actionable Sitecheck tips.
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Performance
How to Improve Website Speed: Complete Guide to Website Performance Optimization
Learn proven strategies to improve website speed and performance. Discover actionable optimization techniques, Core Web Vitals, tools, and best practices to boost your site speed.
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Accessibility
How to Check Your Website Accessibility: Complete Guide for 2025
Learn how to check your website accessibility with automated tools, manual testing, and WCAG compliance. Free accessibility checker included.
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