There are 287 entries in this glossary.
Total Blocking Time Total Blocking Time measures the total amount of time between the first content appearing and the page becoming fully interactive where the main thread was too busy to respond to user input. A high TBT means the page feels slow even if it looks loaded. Lowering it improves real responsiveness.
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TBT, Main Thread Blocking |
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Total Byte WeightTotal Byte Weight is the combined size of everything a page downloads, including HTML, CSS, JavaScript, images, fonts, and media. Heavier pages take longer to load and cost more data on mobile networks. Keeping total weight in check is one of the fundamentals of fast page delivery.
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Page Weight, Download Size, Page Size |
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Treeitem Accessible NameTreeitem Accessible Name means each item in a tree navigation widget has a clear label describing what it represents. Missing or vague names make hierarchical menus impossible to navigate by ear. Clear naming supports quick orientation and efficient browsing for everyone.
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Tree Item Label, Tree Node Name |
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Two-Factor Authentication An extra layer of security that requires not only a password and username but also something that only that user has on them.
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2FA, MFA |
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Two-Word KeywordsTwo-Word Keywords are short phrases that add more intent and specificity than single terms while still reaching a broad audience. They often capture mid-funnel searches where users are narrowing down what they need. Balanced usage helps your content match real search behavior.
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Short Phrases, 2-Word Keywords |
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Unminified CSSUnminified CSS contains whitespace, comments, and formatting that make files larger than they need to be. Minifying CSS strips out these extras and reduces file size, helping pages render faster, especially on slower connections. Minification should be an automatic step in your build process.
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CSS Minification, Stylesheet Optimization |
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Unminified JavaScriptUnminified JavaScript includes extra whitespace, comments, and formatting that increase file size without adding functionality. Serving minified JavaScript reduces download and processing time for visitors. Making minification an automatic part of your build pipeline keeps performance consistent.
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JS Minification, Script Optimization |
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UnpublishedA status state indicating that an item is saved in the database but hidden from the public website.
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Hidden, Draft |
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Unsized ImagesUnsized Images are pictures placed on a page without declared width and height, causing the layout to jump around as they load. This contributes to layout shift and a poor visual experience. Always set image dimensions or use CSS aspect ratios to keep the page stable during loading.
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Missing Dimensions, No Width/Height |
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Unused CSS RulesUnused CSS Rules are styles shipped to the browser that never actually apply to anything on the page. They add unnecessary weight, slow down rendering, and make stylesheets harder to maintain. Regularly cleaning out dead CSS keeps your stylesheets lean and your pages fast.
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Dead CSS, Unused Styles |
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Unused JavaScriptUnused JavaScript is code sent to the browser that never runs during a normal visit. It wastes bandwidth, increases processing time, and slows the page down for no benefit. Auditing and removing unused code is one of the most effective ways to improve front-end performance.
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Dead Code, Unused JS, Code Splitting |
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Upgrade PackageA file archive containing the changes required to move from one CMS version to another.
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Patch File, Update Archive |
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URL CanonicalizationURL Canonicalization is the practice of picking one preferred URL when the same content is accessible at multiple addresses. It tells search engines which version to index, preventing duplicate content confusion. Strong canonicalization keeps your ranking signals focused on the right pages.
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Canonical URL, Preferred URL |
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Use LandmarksUsing Landmarks means organizing your page into clear structural regions like header, navigation, main content, sidebar, and footer. Screen readers use these landmarks to let users jump directly to the section they need. Consistent landmark usage makes your site much easier to navigate.
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ARIA Landmarks, Page Regions |
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Use rel=preconnectPreconnect is a hint you give the browser to start connecting to important external servers before they are actually needed. It reduces connection setup time and can speed up loading for critical resources. Use it sparingly though — too many preconnects can waste resources.
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Preconnect, Early Connection, DNS Prefetch |
What Does "Liquid Purple" mean?
noun | / LIK-wid PUR-pul /
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(biochemistry) Also known as visual purple or rhodopsin — a light-sensitive receptor protein found in the rods of the retina. It enables vision in dim light by transforming invisible darkness into visible form. Derived from the Greek rhódon (rose) and ópsis (sight), its name reflects its delicate pink hue and vital role in perception.
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(modern usage) Liquid Purple — a website management agency specializing in uncovering unseen opportunities and illuminating brands hidden in the digital dark. Much like its biological namesake, Liquid Purple transforms faint signals into clear visibility — revealing what others overlook and bringing businesses into the light.
Origin: From the scientific term rhodopsin, discovered by Franz Christian Boll in 1876; adopted metaphorically by a web development firm dedicated to visual clarity in the age of algorithms.