d3wp

This plugin shows Google PageSpeed scores for the themes installed from the official WordPress theme repository. 
With this you can easily determine which themes are fast and which ones can slow down your WordPress blog when used.
Plugin shows 2 scores (see screenshot):
<ul>
<li>Google PageSpeed score for blogs’ Home page</li>
<li>Google PageSpeed score for blogs’ sample Post page</li>
</ul>
More than 2600 themes were tested lately.
Every theme was tested on a fresh WordPress installed instance populated with a sample content. 
No additional plugins were installed to avoid any unwanted impact on the speed test.
NOTE: 
This plugin calls <a href="http://www.wpspeedster.com" rel="nofollow ugc">wpspeedster.com</a> API to obtain necessary information about PageSpeed scores. 
Only theme slugs are send to the API, no additional or personal information is send.

Themes Speed Test

This plugin shows Google PageSpeed scores for the themes installed from the official Wordpress theme repository.

Digital Movement

Speedtest Pro helps you benchmark your WordPress site using real-world performance data and Google PageSpeed Insights. With the new server performance benchmarking feature, you can now get detailed insights into your server’s capabilities.
Key features include:
<ul>
<li>Comprehensive server performance benchmarks</li>
<li>Math, string, loops, and conditionals tests</li>
<li>MySQL performance testing</li>
<li>Hosting speed and stability metrics</li>
<li>Google PageSpeed API integration</li>
<li>Historical data tracking and visualization</li>
<li>Easy-to-understand charts and graphs</li>
</ul>
Whether you’re a site owner looking to improve your website’s speed or a developer needing to diagnose performance issues, WP Speedtest Pro provides the data you need to make informed decisions.
<h3>Credits</h3>
This plugin uses the following third-party resources:
<ul>
<li>Font Awesome Free 6.7.2 by @fontawesome – https://fontawesome.com 
License: https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)</li>
</ul>
<h3>External Services</h3>
This plugin connects to the following external services:
<ul>
<li>
WP Speedtest Pro Configuration Service (assets.wpspeedtestpro.com) – Retrieves plugin configuration data including:
<ul>
<li>Hosting provider database (wphostingproviders.json)</li>
<li>SSL email templates (ssl_emails.json) </li>
<li>Performance benchmarks (performance-test-averages.json)</li>
<li>Dashboard content (dashboard-advertisers.json) 
<a href="https://wpspeedtestpro.com/privacy-policy/" rel="nofollow ugc">Privacy Policy</a> <a href="https://wpspeedtestpro.com/terms-of-service/" rel="nofollow ugc">Terms of Service</a></li>
</ul>
</li>
<li>
WP Speedtest Pro Analytics (analytics.wpspeedtestpro.com/upload) – Used to collect anonymous usage statistics and performance data to improve the plugin and help the wider community to find the fastest hosting. This is our own service <a href="https://wpspeedtestpro.com/privacy-policy/" rel="nofollow ugc">Privacy Policy</a> <a href="https://wpspeedtestpro.com/terms-of-service/" rel="nofollow ugc">Terms of Service</a>
</li>
<li>UptimeRobot API – Used for monitoring website uptime. <a href="https://uptimerobot.com/privacy/" rel="nofollow ugc">Privacy Policy</a></li>
<li>Cloudflare – Used for performance testing from multiple global locations. <a href="https://www.cloudflare.com/privacypolicy/" rel="nofollow ugc">Privacy Policy</a></li>
<li>Google Cloud Platform – Used for data processing, page speed testing and storage. (www.googleapis.com) <a href="https://cloud.google.com/terms/cloud-privacy-notice" rel="nofollow ugc">Privacy Policy</a></li>
<li>GCPPing – Used for performance testing from multiple global locations. (https://global.gcping.com/) <a href="https://www.gcpping.com/privacy/" rel="nofollow ugc">Privacy Policy</a></li>
<li>SSL Labs – Used for SSL testing. <a href="https://www.ssllabs.com/privacy/" rel="nofollow ugc">Privacy Policy</a></li>
</ul>
Data sent to these services may include your website URL, performance metrics, and basic configuration information. No personal user data is collected or transmitted unless explicitly provided.

Speedtest Pro

Speedtest Pro analyzes your site's performance with comprehensive server benchmarks and speed testing tools.

Themes Speed Test vs Speedtest Pro