Analyze the performance of your webpages and get specific suggestions on how to optimize them.

Latest Version

Version
0.2.0.0
Update
January 27, 2023
Size
524KiB
Developer
Category
Users
40,000+
Rating
3.46753 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
Scripting
Tabs
WebNavigation
WebRequest
See more

PageSpeed Insights (MV3) Extension

1. This extension is experimental.

2. The UI is using the open source code, which is different from the current (deprecated) PageSpeed Insights extension.

3. If you are using ARM-based computer, this is your only choice for PageSpeed Insights for now.

[ NOTE: if you find any bugs, please file an issue at https://github.com/songlibo/pagespeed-chrome-extension/issues ]

Update:
2023-01-26 v0.0.2.0 Rewrite the some C++ code for WebAssembly, and migrated the extension to manifest_version:3.

2022-07-14 v0.0.1.11 Removed pnacl module as it is deprecated. Stay tuned for a new implementation of the running code.

2018-07-10 v0.0.1.10 Fix issue/34. Background color.

2018-02-04 v0.0.1.9 Fix issue/30. Chrome 65 changes an object type from Date to string.

2017-08-22 v0.0.1.8 Fix issue/29, which mark data uri for caching. Also show a button in the browser action popup to open PageSpeed Insights online.

2017-04-26 v0.0.1.7 Fix issue/6, which breaks when the extension is updated. Also add a link to the options page.

2017-04-25 v0.0.1.6 Fix localStorage issue/26, and ignore extension files issue/8. Default to use lossy compression for images (option to revert back to lossless), add option to compressing images using Guetzli (warning: use a lot of memory, and very slow).

2017-03-02 v0.0.1.5 Fix issues/22, 24. Fix language selection in options, show RTL for Arabic and Hebrew, and save/load result.

2016-11-30 v0.0.1.4 Fix issues/21. FileError is not defined.

2016-11-09 v0.0.1.3 Fix issues/20. Optimized Images don't work.

2016-02-19 Detect NaCl plugin before running PageSpeed. If NaCl is not available, the PageSpeed will not start, and give a better message to install or enable the plugin.

2015-12-25 Update the issue link on github so that you can file bugs and request features.

2015-10-01 Add the missing guide (popup when clicking the icon).

2014-02-21 Add loading progress -- the loading of PNaCl is very slow when first installed or updated. It should be fast afterward.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "background": { "service_worker": "background.js" }, "action": { "default_icon": { "16": "images/pagespeed-16.png", "32": "images/pagespeed-32.png", "48": "images/pagespeed-48.png", "64": "images/pagespeed-64.png", "128": "images/pagespeed-128.png" }, "default_popup": "guide.html", "default_title": "PageSpeed Insights" }, "content_security_policy": { "extension_pages": "default-src 'self'; connect-src http: https:; style-src 'unsafe-inline'; script-src 'self' 'wasm-unsafe-eval'; img-src 'self' data: 'self' 'unsafe-inline'; object-src 'self'; child-src 'self' about:" }, "default_locale": "en", "description": "__MSG_extension_description__", "devtools_page": "devtools-page.html", "homepage_url": "https://github.com/songlibo/pagespeed-chrome-extension", "icons": { "16": "images/pagespeed-16.png", "32": "images/pagespeed-32.png", "48": "images/pagespeed-48.png", "64": "images/pagespeed-64.png", "128": "images/pagespeed-128.png" }, "manifest_version": 3, "name": "PageSpeed Insights (MV3)", "options_ui": { "page": "options.html" }, "permissions": [ "scripting", "tabs", "webNavigation", "webRequest" ], "host_permissions": ["https://*/*", "http://*/*"], "version": "0.2.0.0"}
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How to download and manually install PageSpeed Insights (MV3) extension for Chrome

Looking for a way to install PageSpeed Insights (MV3) extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install PageSpeed Insights (MV3) extensions manually, this article outlines two simple methods to effortlessly install PageSpeed Insights (MV3) extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download PageSpeed Insights (MV3) extension and manually install through Drag &Drop

If you ever need to manually install a PageSpeed Insights (MV3) extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the PageSpeed Insights (MV3) Extension by clicking the "Download CRX" button on the website.

Look for the PageSpeed Insights (MV3) extension you wish to install. Go to the website and download the PageSpeed Insights (MV3) extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for PageSpeed Insights (MV3) extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the PageSpeed Insights (MV3) extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download PageSpeed Insights (MV3) extension for Chrome and install in Developer Mode

This is another method to install PageSpeed Insights (MV3) extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the PageSpeed Insights (MV3) extension file

Select and download the PageSpeed Insights (MV3) extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the PageSpeed Insights (MV3) extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your PageSpeed Insights (MV3) extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the PageSpeed Insights (MV3) extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install PageSpeed Insights (MV3) extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Malikul Akbar (ID: 000000871acd3d98) Voted 5 ★ - Updated 06/03/2023 thanks, its working redirect me to pagespeed.web.dev

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Alican YILDIZ (ID: 00000064ad4a8cfe) Voted 5 ★ - Updated 12/26/2018 kullanmasını bilene harika bir araç

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zien he (ID: 0000003bcff6ec76) Voted 5 ★ - Updated 08/01/2018 very helpful

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Michael Cottam (ID: 00000050461cca96) Voted 4 ★ - Updated 04/23/2018 Great tools, however, the latest version freezes when fetching the HAR about half the time. Seems to require a reboot of Windows to make it work again. Killing Chrome completely doesn't solve the problem.

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Leandro Morrone (ID: 000000b0916b0b0c) Voted 5 ★ - Updated 02/22/2018 Genial! Era lo que estaba buscando, lo demás plugins de Insights son una mentira.