Glossary: A
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Accessibility tree
A structure derived from the DOM (Document Object Model) that represents the accessible elements of a web page.
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Ahrefs
An SEO tool that tracks keyword rankings, search volumes, keyword difficulty and backlinks for any website.
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AI Overview
Google's AI-generated answer, shown above the ordinary search results for some searches.
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AJAX
A technique used in web development to create faster and more dynamic web applications.
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Algorithm
A step-by-step set of instructions or rules designed to solve a problem or perform a specific task.
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Alt text
A short, descriptive text attribute added to an image's HTML code that provides a textual alternative to the image.
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API
A set of rules and protocols that allows different software applications to communicate with each other.
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Array
A data structure that stores a collection of elements, usually of the same type, in a specific order.
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Asynchronous
A programming concept where tasks run independently of the main application flow, allowing other operations to continue without waiting for the task to complete.
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ATAG
A set of guidelines developed by the World Wide Web Consortium (W3C) to ensure that software tools used for creating web content are accessible to people with disabilities.
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Attribute
A modifier of an HTML element that provides additional information about the element, defining its behaviour, appearance, or content.
