How to improve total blocking time WordPress

To improve the Total Blocking Time (TBT) on your WordPress website, you need to focus on optimizing your website’s performance and addressing issues that may cause delays in rendering content. TBT is a crucial metric for user experience and SEO, as it measures the time during which the main thread of a web page is blocked, preventing user interactions.

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Here are steps you can take to reduce TBT on your WordPress site

Optimize Images and Media

Compress and resize images before uploading them to your website.
Use responsive images to ensure that the appropriate image size is served based on the user’s device and screen size.
Consider lazy loading images so they only load when they are visible in the viewport.

Minimize CSS and JavaScript

Minify and combine CSS and JavaScript files to reduce the number of requests.
Use asynchronous or deferred loading for non-essential scripts to prevent them from blocking the rendering process.
Remove unused or unnecessary CSS and JavaScript to reduce the file size.

Utilize Browser Caching

Configure browser caching to allow returning visitors to load your site faster by storing certain resources locally on their devices.

Content Delivery Network (CDN)

Use a CDN to serve static assets (such as images, CSS, and JavaScript) from servers located closer to your users, reducing latency.

Optimize Fonts

Limit the number of fonts and font weights used on your site.
Use font-display to control how fonts are loaded to prevent rendering delays caused by web fonts.

Reduce Server Response Time

Choose a reliable hosting provider with fast server response times.
Implement server-side caching, such as opcode caching and object caching.
Use a Content Management System (CMS) like WordPress with optimized PHP and database queries.

Prioritize Visible Content

Use critical CSS to load essential styles for above-the-fold content quickly.
Ensure that important content is visible without having to wait for scripts or styles to load.

Optimize Third-party Scripts

Review and limit the use of third-party scripts and integrations.
Load third-party scripts asynchronously to prevent them from blocking page rendering.

Regularly Update Plugins and Themes

Keep your WordPress core, plugins, and themes updated to benefit from performance improvements and security patches.

Monitor Performance

Use performance monitoring tools like Google PageSpeed Insights, Lighthouse, or GTmetrix to identify specific performance issues and areas that need improvement.

Consider Caching Plugins

Use caching plugins like WP Super Cache, W3 Total Cache, or WP Rocket to generate and serve cached versions of your pages, reducing server load and TBT.

Server and Hosting Optimization

If your website consistently experiences high traffic, consider upgrading to a more powerful hosting plan or using a dedicated server.
By implementing these optimizations and regularly monitoring your website’s performance, you can significantly reduce Total Blocking Time and improve the overall user experience on your WordPress site.