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Technical SEO — SEO terms explained

8 SEO and marketing concepts explained in plain English — what each one means, why it matters, how to apply it and the mistakes to avoid.

All topics AI Search 1 Analytics 2 Content 4 Fundamentals 4 Local SEO 2 Off-Page SEO 3 On-Page SEO 6 Technical SEO 8

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Technical SEO 301 Redirect A 301 redirect is a permanent redirect that sends users and search engines from one URL to another and signals that the…

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Technical SEO Canonical Tag A canonical tag (rel="canonical") is an HTML element that tells search engines which URL is the preferred version of a page when… Technical SEO Core Web Vitals Core Web Vitals are three Google metrics that measure real-user page experience: Largest Contentful Paint (loading), Interaction to Next Paint (responsiveness) and… Technical SEO Crawl Budget Crawl budget is the number of URLs a search engine is willing and able to crawl on your site in a given…

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Technical SEO Hreflang Hreflang is an HTML attribute that tells search engines which language and regional version of a page to show to users, so…

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Technical SEO Robots.txt Robots.txt is a plain-text file at the root of a website that tells search engine crawlers which URLs they may or may…

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Technical SEO Structured Data (Schema Markup) Structured data is standardised code — usually JSON-LD using the Schema.org vocabulary — that describes a page's content to search engines, such…

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Technical SEO XML Sitemap An XML sitemap is a file that lists the URLs you want search engines to crawl and index, often with the date…