jacobarriola

Load your post thumbnail after all of the page content and assets have been loaded.
<h3>Issue reporting</h3>
I built this plugin for the 2017 Orange County WordCamp plugin contest, so I won’t be actively maintaining this project.
Probably best to fork this repo on <a href="https://github.com/jacobarriola/wordpress-progressive-images" rel="nofollow ugc">GitHub</a> and adjust it to your use case.
<h3>Filters</h3>
View the repo on <a href="https://github.com/jacobarriola/wordpress-progressive-images" rel="nofollow ugc">GitHub</a> to view available filters.

Progressive Images

Load post thumbnail after page has loaded.

sh1zen

WP Optimizer improves WordPress speed, Core Web Vitals, and technical SEO with a modular toolkit. 
Enable only what you need: cache, minification, image optimization, database cleanup, update controls, security hardening, and admin customization. 
All optimizations run on your server.
WHY USING WP-Optimizer?
<ul>
<li>One plugin, full optimization workflow: performance, maintenance, security, and admin cleanup from a single panel.</li>
<li>Modular architecture: enable only the modules you need to keep resource usage low.</li>
<li>Built for real speed gains: cache, minify, media optimization, cron tuning, and browser caching work together to reduce load time.</li>
<li>Safer WordPress defaults: security and update modules help reduce attack surface and unwanted changes.</li>
<li>Easier site management: logs, diagnostics, mail logging, and dashboard widgets help you monitor and troubleshoot faster.</li>
<li>Background processing: long operations can run in background to avoid blocking admin work.</li>
<li>Multisite support.</li>
<li>Privacy-friendly: optimization runs on your server, with optional telemetry controls.</li>
<li>No subscription required.</li>
</ul>
BENEFITS
<ul>
<li>Better technical SEO through faster pages and cleaner WordPress output.</li>
<li>Potentially higher search visibility from improved performance metrics.</li>
<li>Lower page load times and better user engagement.</li>
<li>Better stability during traffic spikes.</li>
<li>Reduced bandwidth usage with optimized images and minified assets.</li>
<li>Lower disk usage with media optimization and cleanup tools.</li>
</ul>
FEATURES
WHAT WP OPTIMIZER DOES
<ul>
<li>Improves loading speed with caching, minification, compression, and smarter cron behavior.</li>
<li>Reduces page weight through image optimization and cleanup of unnecessary WordPress output.</li>
<li>Helps technical SEO with cleaner markup, better performance signals, and faster page delivery.</li>
<li>Improves reliability with database maintenance, update controls, and server tuning.</li>
<li>Adds visibility with activity logs, server info, mail logs, and admin dashboard widgets.</li>
<li>Lets you customize WordPress behavior without editing theme or core files.</li>
</ul>
MODULES INCLUDED (FULL LIST)
<ul>
<li>Activity Log: logs user/content actions and suspicious requests.</li>
<li>Cache: object, query, database and static page caching.</li>
<li>Cron Handler: centralizes scheduled jobs and cron-related module tasks.</li>
<li>Database: database cleanup, optimization and backup utilities.</li>
<li>Media: image optimization/conversion and unused media cleanup.</li>
<li>Minify: HTML, CSS and JavaScript minification.</li>
<li>Performance Monitor: request history with charts by request type and slow-request visibility.</li>
<li>Settings: global settings management (reset, import/export, restore, autosave).</li>
<li>Tracking: optional anonymous plugin usage/error telemetry controls.</li>
<li>Widget: dashboard widgets for folder size and server information.</li>
<li>WP Customizer: admin cleanup and WordPress feature toggles.</li>
<li>WP Info: full diagnostic information about WordPress/server environment.</li>
<li>WP Mail: SMTP configuration and mail logging.</li>
<li>WP Optimizer: cron tuning, server enhancements, compression and browser cache policies.</li>
<li>WP Security: WordPress and server-level hardening options.</li>
<li>WP Updates: control over core/plugin/theme update behavior.</li>
<li>
Modules Handler: internal loader/manager for module lifecycle and upgrades.
</li>
<li>
Activity Log:
<ul>
<li>WordPress activity log for users, posts and terms</li>
<li>Monitor suspicious access attempts such as XSS and SQL injection probes</li>
<li>Supports custom rule monitoring</li>
</ul>
</li>
<li>
Cache:
<ul>
<li>Advanced caching system focused on speed and low storage footprint</li>
<li>Object Caching (Memcached and Redis)</li>
<li>WordPress Query Caching</li>
<li>Database Caching</li>
<li>Static Page Caching</li>
</ul>
</li>
<li>
Database:
<ul>
<li>Backup, optimize, and maintain database tables</li>
<li>Clean up orphaned and unnecessary WordPress data</li>
</ul>
</li>
<li>
Media:
<ul>
<li>Image optimization and conversion with WebP support</li>
<li>Media leftovers cleanup tool</li>
<li>Automatic image optimization in background</li>
<li>Compatible with servers with limited PHP execution time</li>
</ul>
</li>
<li>
Server Info:
<ul>
<li>Detailed diagnostics for server, database, PHP and WordPress installation</li>
</ul>
</li>
<li>
WP Optimizer:
<ul>
<li>WordPress cron optimization</li>
<li>Server .htaccess enhancements</li>
<li>Server-side compression (GZIP, Brotli)</li>
<li>Browser cache lifetime controls</li>
</ul>
</li>
<li>
WP Updates:
<ul>
<li>Full control over WordPress core, plugin and theme updates</li>
</ul>
</li>
<li>
WP Security:
<ul>
<li>Practical WordPress and server-level hardening options</li>
</ul>
</li>
<li>
WP Mail:
<ul>
<li>Mail logging</li>
<li>Configure external SMTP server</li>
</ul>
</li>
<li>
WP Customizer:
<ul>
<li>Prevent access to WordPress dashboard for non-admin users</li>
<li>Hide Admin Bar</li>
<li>Disable Block Editor and related block features</li>
<li>Disable comments</li>
<li>Disable QuickPress, WordPress Blog and Welcome Panel</li>
<li>Fast category list filter in your editor</li>
<li>Disable WordPress sitemap, short-links, self-ping and other non-essential outputs</li>
</ul>
</li>
<li>
Minify:
<ul>
<li>HTML, JavaScript and CSS optimization on the fly</li>
</ul>
</li>
</ul>
DONATIONS
This plugin is free and always will be, but if you want to support development, you can buy me a 
beer or coffee <a href="https://www.paypal.com/donate/?business=dev.sh1zen%40outlook.it&item_name=Thank+you+in+advanced+for+the+kind+donations.+You+will+sustain+me+developing+WP-Optimizer.&currency_code=EUR" rel="nofollow ugc">here</a>.

WP Optimizer

WordPress performance optimization plugin with cache, minify, image optimization, database cleanup, security hardening and server tuning.

Progressive Images vs WP Optimizer