What is technical SEO? Basics and best practices
Learn what technical SEO is and how to optimize your site for crawling, indexing, and AI visibility with proven best practices.
Technical SEO
Technical SEO is key to helping search engines find, crawl, and index the pages on your site. Check out these resources to learn how to improve your site’s speed, crawlability, indexability, and more.
How to do a website audit in 2026 (+ free tracker)
Learn how to do a website audit that covers your site’s SEO, AI visibility, user experience, and more.
301 Redirects: How to Use Them & How They Affect SEO
A 301 redirect sends users and search engines from an old URL to a new one, passing on the SEO value.
7 Sitemap Examples: XML, HTML, and Visual Sitemaps
See XML, HTML, and visual sitemap examples from real sites—plus guidance on what to include in yours.
Google Lighthouse: What It Is & How to Use It
Google Lighthouse is a free tool that measures your webpage’s performance, accessibility, and SEO.
Keyword Cannibalization: How to Find, Fix, and Prevent It
Keyword cannibalization is an SEO issue that occurs when multiple pages on a site serve the same purpose.
JavaScript SEO: How to Optimize JS for Search Engines
Learn how Google handles JavaScript and how to optimize your site for crawling, rendering, and indexing.
8 Steps to Perform a Technical SEO Audit for a Client’s Blog
In our most recent SEO Reality Show episodes, we took readers through the agency’s process for setting up and launching Edelweiss Bakery’s blog. They chose potential topics, prepared a content plan, and created technical instructions for third-party content writers tasked with bringing the content to life. In the meantime, the bakery’s web developers installed a blog theme on a bakery’s test domain to ensure that there were no technical errors before officially launching the blog on the bakery’s website. In this article, we’ll show you how an agency conducted an in-depth technical audit of the bakery‘s new blog to look for future optimization potential.
List of .htaccess Redirect Rules & What They Do
Learn all about .htaccess redirect rules, what they do, and how to set up redirects on your site with Semrush.
Measure Core Web Vitals with Semrush Site Audit
Semrush now has a report within the Site Audit tool to help you measure Core Web Vitals — the three performance metrics Google is promoting in an effort to encourage a better user experience on the web.