mabujo

Featured Image Sharpen Up makes a tiny version of your featured post image and places it in the head of the page. 
As you scroll down the page, some JavaScript lazy loads the featured images in the background and replaces the tiny images as the full images are loaded.
You may have seen a similar effect used for images on medium.com.
Created on WordPress 4.4, but should work on earlier versions. 
Tested working on all Twenty Sixteen, Twenty Fifteen, Twenty Fourteen, Twenty Thirteen, Twenty Twelve and Twenty Eleven themes. Should work on other themes, but may need CSS adjustments, depending on theme handling of featured images.
Uses jQuery.Lazy(); (http://jquery.eisbehr.de/lazy/) and Hugh Lashbrooke’s plugin template (https://github.com/hlashbrooke/WordPress-Plugin-Template)
Plugin page : <a href="https://mabujo.com/blog/featured-image-sharpen-up-wordpress-plugin/" rel="nofollow ugc">Featured Image Sharpen Up plugin @ mabujo</a>

Featured Image Sharpen Up

This plugin helps increase the page loading speed of your site by replacing featured post images with a small inline image, and lazy loading the full  …

RabbitLoader

abhishekgr

RabbitLoader is a WordPress cache plugin that helps speed up your WordPress and WooCommerce websites.
RabbitLoader’s Caching techniques improve the performance of your website, reduce the loading times, and help you score over 90 on <a href="https://pagespeed.web.dev/" title="PageSpeed Insight" rel="nofollow ugc">PageSpeed Insight</a>. It also helps you pass the Core Web Vitals by optimizing the performance of your WordPress website.
To optimize your WordPress website for the best possible speed, <a href="https://rabbitloader.com/" title="RabbitLoader" rel="nofollow ugc">RabbitLoader</a> implements both browser cache & CDN cache. This makes your website load much faster, with results visible immediately after installation.
This all-in-one speed optimization plugin implements cache and powerful performance optimization techniques to achieve a superfast WordPress website that loads instantly and delivers a good <a href="https://userresearch.google.com/" title="user experience" rel="nofollow ugc">user experience</a> to visitors.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/W-jYelvWE0I?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
<a href="https://rabbitloader.com/wordpress-crash-course/" title="PageSpeed optimization crash course videos" rel="nofollow ugc">Watch bite size tutorial videos</a>
Why use the RabbitLoader Cache plugin?
Faster Website: Make your website lightning fast without hiring a developer or learning to code. Just install the plugin to supercharge your website, with results visible immediately.
Improved PageSpeed Score: Improve the PageSpeed score of your website, reach over 90 on PageSpeed Insight test instantly by just installing the RabbitLoader cache plugin.
Pass Core Web Vital: Withins: With its unparalleled caching techniques rabbitLoader helps you Pass the <a href="https://rabbitloader.com/articles/core-web-vitals/" title="core web vitals" rel="nofollow ugc">core web vitals</a> test, deliver your visitors a better user experience, help you rank higher on organic searches and enjoy an improved conversion rate.
All-in-one plugin: No need to install 5 or 6 different plugins to optimize the performance of your WordPress or WooCommerce website. Be it implementing cache, optimising images or any other performance-impacting optimization, one plugin does everything you need for a super fast website.
Keeps your WordPress admin light & eliminates the chances of conflicts among optimization plugins.
Features
Browser Cache: Reduces your loading time by saving the most requested contents from your website like images, code and even texts in the users’ browser cache memory for a faster loading time.
CDN Caching: The integrated CDN saves copies of frequently accessed contents like images, codes and text in 300+ edge servers around the world & serves the contents from the nearest node when a user visits your website. The CDN cache reduces the loading time of your website for visitors from any part of the world.
Image Optimization: Converts JPEG & PNG images to the <a href="https://rabbitloader.com/articles/next-gen-formats/" title="next gen formats" rel="nofollow ugc">next gen formats</a> like WebP & AVIF to reduce the size by up to 30%. The lossless compression technique makes sure your images do not lose any quality. The images are delivered through the integrated CDN and cached for faster loading.
Lazy Loading: Sets priority for loading the contents of your website. Contents like images that are in the visible area of your website are loaded immediately and others are loaded only when needed. This reduces the initial loading time.
Critical CSS Generator: On average, every page on a website contains 2 MB of CSS code, which takes significant time to render. <a href="https://rabbitloader.com/articles/critical-css/" title="critical css" rel="nofollow ugc">critical css</a> is usually only 5% of the size of the original files & reduces rendering time by 90%, making it possible to achieve a very high score PageSpeed Insight & pass the Core Web Vitals.
JavaScript Deferring: Execution of JavaScript files that are not needed immediately upon loading the website are delayed to load the website faster.
Minification: Size of your coding file is reduced with minification to reduce the page weight, as a smaller size page loads much faster.
What is Advanced Cache?
Advanced cache allows your website to reach lightning-fast performance levels.
It involves techniques to store the most requested content of your website like images, texts & text to be stored in the browser cache and on the CDN cache. The <a href="https://rabbitloader.com/origin-savings/" title="Content Delivery Network" rel="nofollow ugc">Content Delivery Network</a> (CDN) serves the cached content to your visitors around the world as quickly as possible.
These advanced cache invalidation techniques it make sure that your user is always served the updated content.
COMPATIBILITIES
RabbitLoader cache plugin is compatible with all major WordPress themes, plugins and hosting providers. It works on shared, cloud, managed & WordPress hosting providers.
Plugins:-
<ul>
<li>WooCommerce</li>
<li>WPForms</li>
<li>All-in-One SEO</li>
<li>Yoast SEO</li>
<li>HubSpot</li>
<li>Elementor</li>
<li>LiveChat</li>
<li>Borderless</li>
<li>Akismet Spam Protection</li>
<li>Slider Revolution</li>
<li>Weglot</li>
<li>Contact Form 7</li>
<li>Yet Another Related Posts Plugin (YARPP)</li>
<li>OptinMonster</li>
<li>Formidable Forms</li>
<li>BuddyPress</li>
<li>bbPress</li>
<li>WebSub</li>
<li>RafflePress</li>
<li>Ultimate Blocks</li>
<li>Shoplentor</li>
<li>Divi 
And More..</li>
</ul>
Themes:-
<ul>
<li>Hello Elementor</li>
<li>Athemes (sydney, Botiga)</li>
<li>Themeisle (Neve, hestia)</li>
<li>Astra</li>
<li>Divi</li>
<li>OceanWP</li>
<li>GeneratePress</li>
<li>Storefront</li>
<li>Themeisle</li>
<li>Kadence</li>
<li>Neve</li>
<li>ColorMag</li>
<li>Blocksy</li>
<li>PopularFX 
And more..</li>
</ul>
Hosting:-
<ul>
<li>AWS</li>
<li>WP Engine</li>
<li>SiteGround</li>
<li>OVHcloud</li>
<li>Hostinger</li>
<li>GoDaddy</li>
<li>Hetzner</li>
<li>IONOS</li>
<li>DigitalOcean</li>
<li>HostGator</li>
<li>Bluehost</li>
<li>Namecheap</li>
<li>Liquid Web</li>
<li>Bluehost</li>
<li>Namecheap</li>
<li>Liquid Web 
And more..</li>
</ul>
SHARE THE RABBITLOADER 💗
<ul>
<li>Join our- <a href="https://www.facebook.com/Rabbitloader/" title="Facebook Community" rel="nofollow ugc">Facebook Community</a>.</li>
<li>Learn from our tutorials on <a href="https://www.youtube.com/@rabbitloader827" title="YouTube Channel" rel="nofollow ugc">YouTube Channel</a>.</li>
<li>Contribute to <a href="https://translate.wordpress.org/projects/wp-plugins/rabbit-loader/" title="RabbitLoader’s translations" rel="nofollow ugc">RabbitLoader’s translations</a>.</li>
<li>Or rate us on WordPress <a href="https://wordpress.org/support/plugin/rabbit-loader/reviews/?filter=5#new-post" title="WordPress" rel="ugc">WordPress</a>🙂</li>
</ul>

RabbitLoader Cache: Optimize your Website for Speed


I used RabbitLoader for WordPress to optimize my website and it exceeded my expectations. Installation and setup were easy, and it significantly improved loading speed and performance. 



Highly recommended!


Fantastic Plugin for WordPress Website Optimization


It works perfect.



It creates like a cdn for all your content and assets.



This cache really works perfect.



I passed from F to A only installing this plugin


Amazing, the best cache plugin


Integrates well with WordPress sites and is easy to configure. The performance improvement is impressive.


Wonderful application

RabbitLoader cache is an all-in-one performance optimization plugin. It Speeds up WordPress websites' by adding browser and CDN caching and more.

Featured Image Sharpen Up vs RabbitLoader Cache: Optimize your Website for Speed