Pagespeed Test - cmlabs SEO Tools
Pagespeed Test is a tool to helps you monitor the webpage performance on desktop and mobile devices based on several metrics.
As of June 2026, Pagespeed Test - cmlabs SEO Tools has 298 users and a 4.20/5 rating from 5 reviews in the Developer Tools category.
Usersup 16.9 percent+16.9%
298
298
Ratingdown 16.0 percent−16.0%
4.20
5 reviews
Reviewsup 25.0 percent+25.0%
5
Version
1.0.1
Manifest V3
History
3 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 255 | 5.00 | 4 | 1.0.1 |
| May 2, 2026 | 291 | 5.00 | 4 | 1.0.1 |
| Jun 1, 2026 | 288 | 5.00 | 4 | 1.0.1 |
| Now | 298 | 4.20 | 5 | 1.0.1 |
Permissions & access
- Permissions
- activeTabtabscommandsstorage
- Host access
- None declared
Screenshots
About
Introducing PageSpeed Test, a cutting-edge and free tool designed to revolutionize your website's performance monitoring. This tool empowers you to examine your website's speed metrics, ensuring optimal user experience across desktop and mobile platforms. PageSpeed Test leverages the power of Lighthouse integration to offer a comprehensive assessment of various performance indicators; performance, accessibility, best practices, SEO, and PWA (Progressive Web App). Download and try now! Features & Benefits This tool is available for free. With this tool, you can assess website performance based on several metrics: 1. Performance Ensure that your web pages are optimized for users so that they can see and interact with your website. Several metrics affect web page performance ratings, including: Core Web Vitals, in the performance assessment, you'll see some metrics such as: (a) First Contentful Paint or FCP: the time it takes for the first text or image to appear on a website. (b) Largest Contentful Pain or LCP: how long it takes the website to load the largest elements on the page such as images or long text. (c) Cumulative Layout Shift or CLS: measures the stability of the content on the website. (d) Time to Interactive or TTI: The time it takes the website to load most of the content until the website can respond to user input quickly (ideally less than 50ms). (e) Speed Index: The time that shows how fast the loading process is until all pages can be displayed clearly in the viewport. (f) Total Blocking Time or TBT: The total time the page was unable to respond to user input. 2. Accessibility To assess how easily users can access your page, especially for users with physical or cognitive disabilities. This tool will check your HTML tags, alt tags, ARIA landmarks, and others. 3. Best Practice To examine some areas for improvement of your overall website and keep your website secure, create a good user experience, avoid using outdated technology, and more. 4. SEO This tool also allows you to see if your web pages have been optimized to rank better in organic search. 5. PWA This tool also provides validation results for the Progressive Web App (PWA) aspects to ensure the website can be accessed quickly from various locations and types of devices. How to Use 1. Go to PageSpeed Test Page Starting from adding the URL to be checked for page speed, displaying the results of the page speed check, to the page speed checking history that you have done before. 2. Enter Website URL Make sure you have entered the URL in the correct format (e.g. https://example.com). Next, click the "Generate" button to give the command to this tool to start checking page speed on the website. 3. PageSpeed Check Result Analysis You need to wait a while until the PageSpeed Test assessment process is complete. Some of the metrics you can find in your results are: (a) Performance: Showing the test results of core web vitals metrics, time to interact, total blocking time, to speed index. (b) Accessibility: It is assessed based on how easily the website can be accessed by users. (c) Best Practice: Contain information on whether your website has implemented best practices in website creation. (d) SEO: The following report will contain information on whether your website has been optimized on search engines or not. (e) PWA: You will see whether your website has met the Progressive Web App (PWA) criteria. If the website has not implemented PWA optimally, this can be a sign that you have found a space that needs to be improved on your website. 4. View PageSpeed Test Usage History The last thing you can do using PageSpeed Test is look at your history of using the tool. In the list, you will see a list of website URLs that you have checked using the PageSpeed Test tool from cmlabs. 5. Login After 5 Times of Use If you have used it 5 times, our system will automatically display a message stating that you have reached the usage limit. You can log in by clicking the login button on the warning message that appears. Help & Support We value your feedback! If you have any suggestions for improving Pagespeed Test or encounter any issues while using the tool, please don't hesitate to let us know. Our support team is here to help. Reach us by email at: [email protected] [email protected]
Technical
- Version
- 1.0.1
- Manifest
- V3
- Size
- 3.52MiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- nobbcbccegiignfcapabdeegmaehhifo
- Developer ID
- u1df6d9973a5e9451b2f4cfef31c023f0
- Developer Email
- [email protected]
- Created
- May 14, 2024
- Last Updated (Store)
- May 16, 2024
- Last Scraped
- Jun 1, 2026
- Website
- cmlabs.co
- Support URL
- —
- Privacy Policy
- https://cmlabs.co/en-id/privacy-policy/chrome-web-store
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Data sourced from the Chrome Web Store · last verified Jun 1, 2026.