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Grow Your SEO Knowledge

SEO Dictionary &
Marketing Glossary

Clear definitions. Practical examples. Find the marketing terms you need and understand how to use them.

Try backlinks, A/B testing, or AdWords

Understanding SEO starts with understanding the language. This glossary defines the key concepts, acronyms, and strategies marketers use to build visibility and measure performance.

Whether you’re an aspiring optimizer, a hands-on DIYer, or just trying to make sense of what your agency is saying, this glossary is your go-to guide. We’ve spent years building this collection, covering everything from SEO, social media, HTML and APIs to ISPs, CTAs, and WTFs. And now, with AI reshaping our digital assets, we’ve added even more entries.

So, if you’re diving into a marketing meeting or decoding jargon in a dev chat, keep our dictionary handy. Bookmark and return often, as we’re always adding entries!

Term of the Day

JavaScript SEO

JavaScript SEO addresses how search engines crawl, render, understand, and index JavaScript-driven websites, including rendered content, links, directives, status handling, and rendering architecture.

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Browse by topic

Start with the area you’re working on.

AI & Automation Terms

Machine learning, chatbots, and smarter workflows.

Analytics & Measurement

Understand traffic, engagement, and results.

Content Strategy Terms

Plan, create, and connect useful content

Fundamental Marketing Terms

Get comfortable with the core concepts.

International SEO Terms

Reach people across countries and languages

Local SEO Terms

Help nearby customers find your business.

Off-Page Optimization Terms

Links, reputation, and signals beyond your site.

On-Page Optimization Terms

Make individual pages clearer and more useful.

Search Marketing Terms (SEM/PPC)

Make sense of paid search and advertising.

Technical SEO Terms

Crawling, indexing, redirects, and site health.

Web Technology & UX Terms

How websites work and how people use them.

Browse A - Z

Start here

A few useful terms to get you going.

A/B Testing

A/B testing is a marketing method where two versions of a webpage, email, or ad are shown to different audience segments to decide which version performs better.

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Affiliate Marketing

Affiliate marketing is a performance-based customer acquisitions channel, where the affiliate is paid when visitors complete an action. Learn more about how affiliate marketing works.

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Backlinks

A backlink is a link from one website to another. It acts as a signal to search engines that other sites find your content valuable or trustworthy.

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