BlinkSpeed

Boost your WordPress site speed with advanced AI optimization techniques.

Author:	Blinkspeed (profile at wordpress.org)
WordPress version required:	5.0
WordPress version tested:	6.9.4
Plugin version:	1.0.7
Added to WordPress repository:	09-03-2026
Last updated:	26-03-2026
Rating, %:	100
Rated by:	1
Plugin URI:
Total downloads:	386
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Boost your WordPress site speed with advanced AI optimization techniques. Improve Core Web Vitals, achieve higher scores on Google PageSpeed Insights and GTmetrix, and deliver a faster, smoother browsing experience for your visitors.

Features

CSS Optimization – Minification, combination, and critical CSS loading
JavaScript Optimization – Minification, combination, and deferred loading
HTML Caching – Page-level caching for improved performance
Image Optimization – WebP conversion and lazy loading
CDN Support – Content Delivery Network integration
Lazy Loading – Images, iframes, and videos
Asset Preloading – Preload critical assets like images and fonts for faster rendering
Admin Bar Integration – Quick cache purge from admin bar
Multisite Support – Network-wide and individual site management
Web Vitals Monitoring – Core Web Vitals tracking and logging
Change Logging – Track all settings changes

Free vs Premium Features

BlinkSpeed offers a powerful free version with essential performance optimizations. A premium license unlocks advanced AI-powered optimization features for the entire website.

Free Version (Included with Plugin)

The following features are available for free and work on all pages:

HTML page caching
CSS minification
JavaScript minification
JavaScript lazy loading
Image lazy loading
Browser caching
GZIP compression
Cache management tools
Multisite compatibility
Critical CSS generation (Home Page Only)
Advanced image optimization and WebP conversion (Home Page Only)

These optimizations help significantly improve page load speed and overall performance without requiring a license key.

Premium Version (Requires License Key)

The premium version unlocks advanced AI-powered optimization features for all pages:

HTML page caching
CSS minification
JavaScript minification
JavaScript lazy loading
Image lazy loading
Browser caching
GZIP compression
Cache management tools
Multisite compatibility
Critical CSS generation (All Pages)
Advanced image optimization and WebP conversion (All Pages)

Without a license key, critical CSS and advanced image optimization are available only for the homepage.

Why Premium Features Require a License

Some advanced optimizations rely on BlinkSpeed cloud services to process CSS, images, and performance data. These services require additional server resources, so a license key is required to enable them for the entire website.

You can activate your license key from:

BlinkSpeed General Settings License Key

Requirements

WordPress 5.0 or higher
PHP 7.4 or higher
PHP XML extension
PHP GD extension

Plugin Architecture

The plugin follows WordPress coding standards and modular architecture.

Main Files

blinkspeed.php – Main plugin file with header and initialization
includes/Plugin.php – Main plugin class orchestrating functionality
includes/Core.php – Core functionality and settings management
includes/Frontend.php – Frontend optimization handling
includes/Database.php – Database operations and table management

Admin Structure

admin/Admin.php – Main admin class handling menu and settings
admin/Admin_Bar.php – Admin bar cache purge functionality
admin/admin-page.php – Admin page template

Configuration

General Settings

Enable Optimization – Turn on/off optimization features
License Key – Enter your BlinkSpeed license key

CSS Optimization

CSS Optimization – Enable CSS minification and combination
Load Critical CSS – Inline critical CSS for above-the-fold content

JavaScript Optimization

JavaScript Optimization – Enable JS minification and combination
Load Combined JS – Choose when to load combined JavaScript files

HTML Caching

HTML Caching – Enable page-level caching
Cache Expiry Time – Set cache expiration time in seconds

Image Optimization

Convert JPG to WebP – Automatically convert JPG images to WebP
Convert PNG to WebP – Automatically convert PNG images to WebP
Lazy Loading – Enable lazy loading for images

Usage

Basic Setup

Activate the plugin.
Go to BlinkSpeed settings.
Configure optimization preferences.
Save settings.

Cache Management

Purge cache directly from the WordPress admin bar.
CSS/JS cache can be purged globally or per page.
HTML cache can be purged globally or per page.
Critical CSS cache can be purged per page.

Monitoring

View Web Vitals logs for performance insights.
Review change logs for settings updates.
Monitor cache sizes and performance.

Hooks

Actions

blinkspeed_init – Plugin initialization
blinkspeed_settings_saved – Settings saved
blinkspeed_cache_cleared – Cache cleared

Filters

blinkspeed_settings – Modify plugin settings
blinkspeed_cache_path – Customize cache paths
blinkspeed_exclude_urls – Exclude URLs from optimization

Database Tables

The plugin creates the following tables:

wp_blinkspeed_core_web_vitals – Stores Web Vitals performance data
wp_blinkspeed_change_logs – Stores settings change logs
wp_blinkspeed_site_urls – Stores site URL management data

Cache Structure

wp-content/cache/
├── critical-css/
└── bs-cache/

Performance Impact

CSS/JS Optimization – Reduces file sizes by 20-40%
HTML Caching – Improves page load times by 50-80%
Image Optimization – Reduces image sizes by 25-50%
Lazy Loading – Improves initial page load performance

Common Issues

Permission errors – Ensure cache directory permissions are correct.
Cache not working – Verify optimization settings are enabled.
Images not converting – Confirm the GD extension is installed.
Admin bar missing – Check user capability settings.

Security

Input sanitization for all settings
Nonce verification for forms
Capability checks for admin actions
Secure file operations

Multisite Support

Network-wide settings management
Individual site overrides
Centralized cache control
Site-specific optimization rules

External Services

This plugin connects to the BlinkSpeed API service:

https://rest.blinkspeed.ai

These services provide CSS optimization, image optimization, and license verification.

Data Sent

CSS file URLs and content for optimization
Image URLs for WebP conversion
License key for verification

Service Information

Service Provider: https://blinkspeed.ai
Support Policy: https://blinkspeed.ai/support-policy/
Terms of Service: https://blinkspeed.ai/term-of-service/

All communication happens over secure HTTPS connections.

Minified Assets

Some JavaScript files are distributed in minified form for performance.

Third-party libraries:

assets/js/web-vitals.iife.js – https://github.com/GoogleChrome/web-vitals
assets/js/diff.min.js – https://github.com/kpdecker/jsdiff

Plugin-specific scripts:

assets/js/img-lazyload.js – https://blinkspeed.ai/resources/js/img-lazyload.js
assets/js/script-load.min.js – https://blinkspeed.ai/resources/js/script-load.js

Screenshots

AI Optimization Dashboard – Automatically optimize pages using AI-powered performance analysis and track optimization progress for each URL.
HTML Cache Settings – Configure page caching, cache expiry time, preload options, GZIP compression, and browser caching to improve website speed.
General Settings Panel – Activate your BlinkSpeed license and enable global optimization features such as query parameter optimization and logged-in user optimization.
CDN Integration Settings – Connect your CDN by adding the CDN URL, selecting file types to serve via CDN, and excluding specific paths.
Image Optimization Settings – Configure image performance options including WebP conversion for JPG/PNG, lazy loading for images, iframes, video, and audio, SVG handling, and responsive images. This screen helps you reduce image payload and improve page load speed with a single click on Save Changes.
CSS Optimization Settings – Manage CSS performance options including minification, combination, and deferred loading of stylesheets, as well as advanced rules for excluding or including specific CSS files to reduce render‑blocking resources and speed up page rendering.
JavaScript Optimization Settings – Configure JavaScript performance options including minification, combination, and deferred or delayed loading of scripts, with granular controls to exclude specific files and prevent conflicts while reducing render‑blocking resources.
Exclusions Settings – Define URLs, file types, cookies, and user agents that should be excluded from caching and optimization, giving you precise control to avoid conflicts with sensitive pages such as checkout, cart, and logged‑in user areas.
Clear Cache Tools – Quickly purge all cached files or selectively clear cache for specific URLs, post types, and device types to instantly reflect changes on your site without waiting for cache expiry.
Web Vitals Logs & Reports – Monitor Core Web Vitals and performance scores over time with detailed logs for each URL, helping you identify slow pages, track optimization impact, and prioritize fixes based on real user experience data.
Import & Export Settings – Easily migrate BlinkSpeed configuration between websites by exporting all optimization settings to a file and importing them on another install, ensuring consistent performance tuning across multiple projects without manual reconfiguration.
Change Logs & Activity History – Review a chronological log of cache purges, optimization actions, and settings changes, making it easy to audit who changed what and to troubleshoot performance or compatibility issues.
Quick Cache Clear Menu (Admin Bar) – Access one‑click options from the WordPress admin header to clear all cache or purge specific sections, letting you instantly refresh optimized content while working anywhere in the dashboard or on the front end.1. BlinkSpeed dashboard