閲覧サイトのhtmlをW3Cで確認します
w3c html checker is available to install from Chrome Web Store and for download from this page. It has 355 active users The latest version is 1.0, and it was published 3 years ago.
Install from Chrome Web StoreTotal download count: 5
All available versions
You can find the current and older versions of w3c html checker here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
1 version available for download. Install CRX file
Option 1: The easy way (for Windows users only)
- Download and run chrome-stats.exe file on your PC. This method will allow you to install Chrome extensions directly from chrome-stats.com in one click. You only need to do this once!
- Type in
chrome://restart
in the URL bar to restart the browser for the changes to take effect. - Download and install the w3c html checker CRX file
Option 2: Advanced method
- Download w3c html checker CRX file
- NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to use option 1, or download the ZIP file instead.
- In the URL bar, go to
chrome://extensions
- Enable Developer mode
- Drag and drop the downloaded w3c html checker CRX file into the Extensions page
- When prompted, click Add extension to install w3c html checker.
Install ZIP file
- Download and unpack the w3c html checker ZIP file to a directory of your choice.
- In Chrome browser, go to
chrome://extensions
- Enable Developer mode.
- Click on the Load Unpacked button.
- Select the directory of with the unpacked w3c html checker ZIP file from step 1. w3c html checker is now installed on your browser.
Similar extensions
Here are some Chrome extensions that are similar to w3c html checker:
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