There are 287 entries in this glossary.
Use rel=preload Rel=preload tells the browser to fetch important resources, like fonts or key scripts, as early as possible in the loading process. Used wisely, it speeds up first render and reduces delays for critical assets. Overusing it can backfire by competing with other important downloads.
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Resource Preloading, Preload Hint |
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Use Text CompressionText compression means shrinking text-based files like HTML, CSS, JavaScript, and JSON before sending them to the browser. Gzip and Brotli are the most common methods, and they can dramatically reduce transfer sizes. Enabling compression is one of the easiest server-side performance wins.
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Gzip, Brotli, File Compression |
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User Group A classification assigned to users that determines their permission set.
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Permission Group |
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User TimingsUser Timings are custom performance measurements you define to track moments that matter most to your specific product or workflow. They go beyond generic metrics to capture things like how long a checkout flow takes or when a key feature becomes usable. They make performance data more actionable.
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Custom Metrics, Performance Marks |
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Uses Long Cache TTLUses Long Cache TTL checks whether static assets (scripts, stylesheets, images, fonts) are served with a long browser cache lifetime. Short or missing cache headers force repeat visitors to re-download assets they already have, wasting bandwidth and slowing page loads.
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Browser Caching, Cache TTL, Cache-Control Max-Age |
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Valid ARIA AttributesValid ARIA Attributes are accessibility properties that are correctly matched to their element's role and purpose. Using unsupported or misspelled attributes means assistive tools simply ignore them, creating a false sense of accessibility. Always verify your ARIA attributes are valid for the role you are using.
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ARIA Validation, Valid ARIA Props |
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Valid ARIA RolesValid ARIA Roles means the role values assigned to your elements are recognized and used in the right context. Invalid or misapplied roles distort how screen readers present your content and can break expected keyboard behavior. Getting roles right is essential for reliable accessibility.
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ARIA Role, Role Attribute, Semantic Roles |
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Valid DoctypeValid Doctype means your page correctly declares which version of HTML it uses so browsers render it in standards mode. Missing or broken doctypes can trigger quirks mode, causing unpredictable layout and styling problems. It is a simple one-line fix that prevents a surprising number of issues.
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DOCTYPE Declaration, Standards Mode |
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Valid HTML LangValid HTML Lang means the language set on your page uses a properly formatted code. Invalid or missing language tags can cause screen readers to mispronounce content and translation tools to behave unpredictably. Using the correct language code helps browsers and assistive tools interpret your content accurately.
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Language Code, HTML Lang Value |
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Valid LangValid Lang means the language declarations on your content use recognized language codes with correct formatting. Invalid codes can cause problems with pronunciation in screen readers, automatic translation, and search engine indexing. Correct language tagging supports accessibility and international reach.
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Language Declaration, Lang Code |
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ViewportThe Viewport meta tag controls how your page scales and sizes itself on mobile devices. Without it, mobile browsers may shrink your page to fit, making text tiny and buttons hard to tap. Correct viewport settings are the foundation of responsive, mobile-friendly design.
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Visible Area, Screen View |
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Visual Order Follows DOMVisual Order Follows DOM means the on-screen arrangement of content should match the underlying code order that keyboards and screen readers follow. When these fall out of sync, users can experience confusing focus jumps and reading order problems. Keeping them aligned improves usability for everyone.
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DOM Order, Reading Order, Focus Order |
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WidgetA self-contained block of content that performs a specific function, primarily used in Sidebars and Footers.
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Block |
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WooCommerceOne of the most popular open-source e-commerce plugins, widely used to add online store functionality to a CMS.
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Woo, Shop |
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WP Admin BarThe dark horizontal bar that appears at the top of the screen for logged-in users.
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Toolbar, Admin Strip |
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.