SEO Glossary

Definitions of common SEO and web crawling terms used across our guides.

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Broken links

Outgoing links and images that return 404 or fail to connect hurt user trust and waste crawl budget

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Canonical URL

A canonical URL is an HTML element that tells search engines which version of a page is the preferred one for indexing.

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Click-through rate

Click-through rate (CTR) is the percentage of users who click on a search result after seeing it, measuring how compelling your listing is.

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Crawl budget

Crawl budget is the number of pages a search engine will crawl on your site within a given timeframe.

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Duplicate descriptions

Pages sharing the same meta description compete for clicks in search results

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Duplicate H1

Multiple pages sharing the same H1 weakens differentiation and rankings

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Duplicate titles

Pages sharing the same title compete with each other in search results

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E-E-A-T Signals

E-E-A-T stands for Experience, Expertise, Authoritativeness, and Trustworthiness - the quality criteria Google uses to evaluate web content and its creators.

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Empty H1 Tag

Pages with an H1 tag that contains no text waste heading potential

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H1 Tag in SEO

An H1 tag is the primary heading element on a web page, signaling the main topic to search engines and users.

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HTTP status codes

HTTP status codes are three-digit numbers returned by a server to indicate the result of a browser or crawler request.

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Internal linking

Internal linking is the practice of linking pages within the same website to help users navigate and distribute link equity.

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Keyword cannibalization

Keyword cannibalization occurs when multiple pages on the same site compete for the same search query, splitting ranking signals.

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Lexical Diversity

Lexical diversity measures the range of unique words used in a piece of content relative to its total word count, serving as a quality signal for both SEO and AI-driven answer engines.

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