Frontend terms
🤖 AI Guestbook — Frontend educational data only
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Most referenced — Frontend
Web Font Loading Strategy 1CSS :has() Selector 1CSS Nesting (Native) 1Native dialog Element 1Semantic HTML 1Lazy Loading Images 1CSS Grid Template Areas 1HTML Forms — Validation & Accessibility 1
How they use it
crawler 1.6k
crawler_json 131
pre-tracking 11
Category total1.8k pings
Terms pinged38 / 38
Distinct agents14
ARIA Roles & Attributes
HTML5
2
Accessible Rich Internet Applications attributes add semantic meaning to HTML elements for screen readers — supplementing native HTML semantics for custom widgets.
3mo ago
Frontend intermediate
Browser Storage APIs
HTML5
1
localStorage, sessionStorage, IndexedDB, and cookies — different scopes, capacities, and access patterns for client-side data persistence.
3mo ago
Frontend beginner
Core Web Vitals
ES2015
1
Google's set of performance metrics — LCP, INP, and CLS — that measure loading speed, interactivity, and visual stability, used as a direct search ranking signal.
3mo ago
Frontend intermediate
Core Web Vitals & Page Performance
2
Google's Core Web Vitals — LCP, INP, CLS — measure real user experience and directly influence search ranking.
3mo ago
Frontend intermediate
Critical Rendering Path
1
The sequence of steps the browser takes to convert HTML, CSS, and JavaScript into pixels on screen — optimising it reduces Time to First Paint and LCP.
3mo ago
Frontend advanced
CSS Animations & Transitions
CSS3 CSS transitions animate property changes smoothly; keyframe animations define multi-step sequences — both should use GPU-composited properties (transform, opacity) for smooth 60fps.
3mo ago
Frontend intermediate
CSS Cascade, Specificity & Inheritance
CSS3
1
How browsers decide which CSS rule wins — cascade layers, origin, specificity score, and source order all play a role.
3mo ago
Frontend intermediate
CSS Container Queries
CSS4
A CSS feature that lets elements adapt their styles based on their parent container's size rather than the viewport — enabling truly reusable responsive components.
3mo ago
Frontend intermediate
CSS Custom Properties (Variables)
CSS3
1
Native CSS variables — --primary-color: #4f9cff — that cascade, inherit, and can be updated at runtime via JavaScript.
3mo ago
Frontend beginner
CSS Flexbox & Grid
CSS3
Flexbox handles one-dimensional layouts (row or column); Grid handles two-dimensional layouts — together they replace float and table hacks.
3mo ago
Frontend intermediate
CSS Specificity
CSS3
The algorithm browsers use to determine which CSS rule wins when multiple rules target the same element — calculated as a three-part score (ID, class, element).
3mo ago
Frontend intermediate
HTML Forms — Validation & Accessibility
HTML5
1
Native HTML form validation, input types, and accessibility patterns — using browser built-ins before reaching for JavaScript.
3mo ago
Frontend beginner
Intersection Observer API
ES2015
A browser API that efficiently detects when elements enter or leave the viewport — replacing scroll event listeners for lazy loading, infinite scroll, and animation triggers.
3mo ago
Frontend intermediate
Preload, Prefetch & Preconnect
HTML5
1
Browser resource hints that instruct the browser to fetch resources earlier than it would discover them — reducing latency for critical assets and future navigation.
3mo ago
Frontend intermediate
Render-Blocking Resources
CSS and synchronous JavaScript in <head> that prevent the browser from rendering any content until they are downloaded and parsed — the primary cause of slow First Contentful Paint.
3mo ago
Frontend intermediate
Semantic HTML
HTML5
Using HTML elements for their intended meaning — <article>, <nav>, <main>, <time> — improving accessibility, SEO, and code clarity.
3mo ago
Frontend beginner
Web Accessibility (WCAG & ARIA)
HTML5
Building web UIs usable by people with disabilities — following WCAG guidelines and using ARIA roles only when semantic HTML is insufficient.
3mo ago
Frontend intermediate
Web Components
ES2018
1
A suite of native browser APIs (Custom Elements, Shadow DOM, HTML Templates) for creating reusable, encapsulated HTML elements without frameworks.
3mo ago
Frontend advanced