Glossary

Searchable terminology from accessibility, web standards, and related fields.

212 results found in Web Accessibility.

Screen Reader User (SRU)
A person who uses screen reader software as their primary means of accessing digital content, typically someone who is blind or has low vision. Screen reader users interact with web content through au…
Search Engine Optimization (SEO)
Search engine optimization (SEO) is the practice of improving a website's visibility and ranking in search engine results through techniques such as using descriptive page titles, meaningful headings,…
Semantic Accessibility
An approach to web accessibility that focuses on the predictability and consistency of user interface behavior, layout, and interaction patterns rather than the underlying code. Semantic accessibility…
Semantic Bookmarking (Semantic Bookmark, Concept-Based Bookmarking)
A web navigation technique that associates saved page locations with meaningful conceptual labels from a domain ontology rather than with specific structural positions in the HTML code. Unlike traditi…
Semantic Partitioning (Web Page Partitioning, Content Partitioning)
A technique for automatically dividing a web page into semantically meaningful segments or blocks based on the structural and visual properties of its HTML content. Semantic partitioning analyzes the …
Semantic Structure (Semantic Representation)
Semantic structure refers to the meaningful organisation of content that captures the conceptual relationships between pieces of information, as distinct from the syntactic or visual presentation of t…
Semantic Transcoding (Annotation-driven Transcoding, Ontology-based Transcoding)
Semantic transcoding is the transformation of web content using explicit semantic information about the structure, role, or meaning of page elements — typically supplied through external annotations, …
Semi-Automatic Evaluation (Semi-Automated Testing, Guided Manual Evaluation)
An approach to accessibility evaluation that combines automated checks with human expert judgment. Semi-automatic tools run algorithmic tests to detect issues that can be identified programmatically —…
Sequential Navigation (Linear Navigation, Serial Navigation)
A method of accessing web content by moving through elements one at a time in the order they appear in the document structure, as opposed to visually scanning a page. Sequential navigation is the defa…
Shadow Page (Shadow Site, Text-Only Alternative)
A separate, simplified version of a web page created specifically to meet accessibility requirements, typically offering a text-only or reduced-complexity version of the original content. While shadow…
Single Page Application (SPA)
A web application architecture that dynamically updates page content in response to user interactions without requiring a full page reload, instead using JavaScript to modify the Document Object Model…
Social media accessibility (Accessible social media)
The design and implementation of social media platforms and content to be usable by people with disabilities, encompassing both platform-level accessibility (screen reader compatibility, keyboard navi…
Streaming Media (Streaming Audio, Streaming Video, Media Streaming)
Streaming media is audio or video content delivered to a user in a continuous flow from a server, played back as it arrives rather than waiting for a complete download. Because streaming content produ…
Sufficient Techniques (Sufficient Advisory Techniques)
In the WCAG framework, sufficient techniques are documented methods for meeting a specific success criterion. If a content author correctly implements a sufficient technique, it is enough to satisfy t…
Syntactic Accessibility (Technical Accessibility)
The dimension of web accessibility concerned with the correctness of code sent to the browser and assistive technologies. Syntactic accessibility focuses on whether HTML markup, ARIA attributes, and o…
Table Linearization (Table Serialization)
Table linearization is the process of converting a two-dimensional HTML table into a one-dimensional sequence of text for non-visual presentation. When a screen reader linearizes a table, it reads the…
Table Navigation Mode (Table Navigation)
A screen reader feature that allows users to navigate within data tables by moving a virtual cursor cell-by-cell in two dimensions — by row and by column — rather than reading content linearly. Introd…
Table Reading Style (Table Reading Strategy, Table Browsing Style)
The particular way in which a reader accesses and processes the content of a data table, determined by the interaction between the table's structure, content, and the reader's intent. Common table rea…
Table-to-Prose (Table-to-Prose Transformation, Tabular Data Narration)
The process of converting structured tabular data into natural language prose descriptions that can be easily understood when read aloud or presented through speech synthesis. Table-to-prose transform…
Tag Order (Source Order, DOM Order, Reading Order)
The sequential order in which HTML elements appear in the source code of a web page, which determines the order in which screen readers and other assistive technologies present content to users. When …