Dark background with a neon white glowing triangle and three animated spheres travelling along its edges, demonstrating a CSS loader effect

Sci-Fi Glowing Triangle Loader

This is a Sci-Fi Glowing Triangle Loader. It animates three spheres along the edges of a neon-lit geometric path while rotating in 3D space. Its function is to serve as a high-fidelity visual placeholder during asynchronous data fetching, establishing a strong thematic aesthetic immediately upon application launch.

Technologies:
HTML Sass
Difficulty: Intermediate
Browser Support (as of Apr 2026):
Chrome Chrome 104+ Edge Edge 104+ Firefox Firefox 104+ Safari Safari 14.1+
Features:
Neon Glow Path Animation 3D Transforms Flicker Effect
Code by: Shane Burns Shane Burns
License: MIT

See the Pen Sci-Fi Glowing Triangle Loader.

Four glowing colored squares in a continuous chasing loop on a dark background, demonstrating CSS translation and filtering

Glowing Chasing Squares CSS Loader

This is a Glowing Chasing Squares CSS Loader. It visually communicates background system processes through continuous, cyclic motion. Its function is to reduce perceived wait times by providing a predictable, rhythmic focal point during data fetching.

Technologies:
HTML CSS
Difficulty: Beginner
Browser Support (as of Apr 2026):
Chrome Chrome 53+ Edge Edge 79+ Firefox Firefox 35+ Safari Safari 9+
Features:
Negative Delays Glow Effects Fluid Sizing
Code by: Adir Adir
License: MIT
A pixel-art style animation of the classic Snake game, serving as a loading indicator.

Snake Game Preloader

A nostalgic, infinite animation of the classic Snake game in a pixel-art style, running entirely on CSS/SVG without scripts.

See the Pen Snake Game Preloader.

Animated infinity symbol loader created with pure CSS, showing a continuous line drawing effect.

Infinite Loader on Top

A pure CSS infinity loader relying on SVG <use> for geometry reuse. Movement is driven by stroke-dashoffset, while synchronized opacity animations simulate 3D depth at the crossover.

See the Pen Infinite Loader on Top.

Kinetic CSS Loader

Kinetic CSS Loader

A smooth, rhythmic, and mesmerizing loader that looks complex but is implemented simply and efficiently.

See the Pen Kinetic CSS Loader.

RGB Dot Preloader

RGB Dot Preloader

A hypnotic, kaleidoscopic loader where white dots decompose into their RGB constituents during motion, generating a sensation of energy and complexity.

See the Pen RGB Dot Preloader.

Pure CSS Loader #10/2020 - No SVG Arcs

Pure CSS Loader #10/2020 - No SVG Arcs

An elegant loader built purely with CSS/SASS that leverages CSS Houdini’s @property to define and smoothly animate custom numeric properties, enabling a high-performance rotation and hue-shifting loop.

Pure CSS Loader #11/2020 - Ripples

Pure CSS Loader #11/2020 - Ripples

Spectacular animated ring loader built on the advanced capabilities of CSS Houdini to define and smoothly transition custom properties, enabling complex and dynamically changing geometry via conic and radial gradients.

Color Wheel Loader using Animated Custom Properties

Color Wheel Loader using Animated Custom Properties

Advanced CSS animation utilizing ten-point delays (nth-child) to create a ripple effect and showcasing CSS Houdini capabilities for animating length and angle values.

Infinity SVG Spinner with CSS Animation

Infinity SVG Spinner with CSS Animation

An elegant and minimalistic CSS spinner built purely with SVG, where the core motion effect (drawing and erasing) is achieved by animating the stroke-dasharray and stroke-dashoffset properties within the @keyframes dash rule.

Animated five-point star with flicker effect. Each branch appears with delay via CSS variables --i and --dur. --flickIn animation simulates flicker with steps. Respects prefers-reduced-motion settings.

Rotating star particles in CSS. 14 span elements positioned in circle via transform: rotate. FontAwesome icons animated with scale and rotation changes. Pseudo-elements create additional particles with scatter effect. Cyclic hue shift via hue-rotate.

Loader from two overlapping blocks. Pseudo-elements move along perimeter via inset property, creating “squeeze” effect. One element has animation delay, creating opposite phase. Whole structure slowly rotates.

CSS loading animations made with single element.

Neon loader with gradient ring and multiple shadows. Inner circle rotates and blends via mix-blend-mode: color-burn. Layered shadows create 3D glass effect.

Cube Grid (Pure CSS)

Isometric cube grid with Z-axis compression animation. CSS variables control each cube’s position in grid and its color based on row. Pseudo-elements form visible faces through transforms and color-mix.

See the Pen Cube Grid (Pure CSS).