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SEO Dictionary & Marketing Glossary

Letter A

The SEO Dictionary entries beginning with the letter A cover many of the foundational terms you’ll encounter in search engine optimization and digital marketing. From A/B testing and algorithms to anchor text and analytics, these concepts shape how websites are built, optimized, and evaluated.

Use this page to explore key “A” terms, learn what they mean, and understand how each connects to the larger world of SEO strategy, marketing, and online visibility.

Try backlinks, A/B testing, or AdWords

All dictionary terms

Authority (Company / Person)

Authority, when referring to a company or person, is the recognition they have earned as a reliable source on a particular topic. It reflects their reputation and standing within that field, supported by relevant work, expertise, and independent recognition.

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Attribution

Attribution is the process of giving credit to the various channels and touchpoints your customers use to reach the point of conversion. Attribution models determine how that credit is assigned, helping marketers evaluate performance and inform budget decisions.

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Artificial Intelligence (AI)

Artificial Intelligence (AI) refers to computer systems designed to perform tasks that typically require human intelligence, such as recognizing patterns, interpreting language, and making predictions. In marketing, AI is transforming how data is analyzed, campaigns are personalized, and customer interactions are managed.

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Application Program Interface (API)

API stands for Application Programming Interface, and is a set of rules and features that lets different software applications talk to each other. APIs are important to system integrations, such as connecting social media platforms to analytics and CRMS programs.

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Anchor Text Variation

Anchor text variation is the practice of using a variety of anchor text when linking to the same page or across related content. This helps you avoid over-optimization and creates a more natural link profile.

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Anchor Text

Your anchor text is the visible, clickable text (often in blue and underlined), that is used to get you from one page or section to another. Anchor text is instrumental in guiding visitors around your page or site; good anchor text is also good user experience.

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Analytics

“Analytics,” in digital marketing, refers to software that collects and analyzes data about your website traffic, user behavior, and campaign performance. Using this data, we can better understand how visitors interact with a website, identify which campaigns and strategies are successful, and find area for improvement.

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Alt Attribute

The Alt attribute is a critical HTML element that provides descriptive text for images. The “Alt” in “Alt Attribute” stands for “alternative,” AKA “alternative text.” Alt text is necessary for screen readers used by visually impaired readers, which read the page out loud.

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AdWords

AdWords was the original name of Google’s online advertising platform before it was rebranded as Google Ads in 2018. The platform lets advertisers place paid search, display, shopping, and video ads across Google properties and partner sites.

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Algorithm Update

Algorithm updates are changes made to search engine algorithms that refine how websites are ranked. These updates, such as Panda and Penguin, are meant to improve the quality of the search engine’s results pages.

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Algorithm

An algorithm is a set of rules or calculations used to solve a problem or complete a task. In SEO, search engines use algorithms to understand searches, evaluate content, and decide which results to display.

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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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AdSense

Google AdSense is an advertising platform that lets website owners make money by showing ads on their site. Learn how Google’s ad program pays publishers and when it’s commonly used on websites and content platforms.

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Absolute Link

An absolute link is a hyperlink that includes the full URL, including the protocol (http/https) and domain (domain.com), which ensures the destination resolves to a specific location.

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