1. What is Web Archive Viewer?

Web Archive Viewer is a browser add-on that help you easily see the cached version of any website. This addon uses seven different engines to fetch and render the website archive version. By default, three engines are selected, but you can add or remove them at any time via the options page. When you visit a page, simply open toolbar popup UI and click on a desired archive engine. A new tab will be open to render the cached version of the current tab. Please note that, not all websites have the cached version, moreover, depending on the archive engine that you choose the cached version might look different.

2. How can I work with this add-on?

As mentioned above, working with this addon is very easy. Simply open toolbar popup UI and click on your desired archive engine. The cached version for the current tab will be open in a new tab. If you want to change the archive engines, please open options page and select your desired engine. Once you change the engines, toolbar popup will be updated accordingly.

3. How can I download the source code for Web Archive Viewer?

To download the source code for this extension from Chrome Web Store, it is recommended to use Extension Source Downloader. With this addon, you can download the source code as a ZIP or CRX format to your machine. If you want to download the source code from the Firefox addons store, please open the firefox download link (if available) in the Firefox browser and then right-click on the - Add to Firefox - button and select - Save Link As... - item. Choose the destination folder on your machine and then save the file in XPI format. You can then rename the XPI format to a RAR or ZIP file. Some extensions may have a GitHub repo address, which you can use to download the source code as well. But, it may not be the latest version of the addon. Therefore, downloading the source code from the official web stores is the best option as it always gives you the latest version of the addon.

4. How can I change the archive engines in toolbar popup?

In order to change the archive engines, please visit options page and select or deselect your desired engine. As mentioned above, once you make changes to the options page, toolbar popup UI will be updated accordingly.

5. Can I change the order of archive engines in the popup?

No, unfortunately there is no way to change the order of archive engines in the popup. However, as mentioned above you can add or remove them at any time via the options page.

6. Is this extension available for mobile firefox (Firefox for android)?

Yes, this addon is available for all browsers and platforms including mobile Firefox and Opera browsers.

7. Why some websites do not have the archived version?

Archive engines usually cache only a selected number of websites depending on their priority. Therefore, it is usual to see an error while visiting cached version of a website.

8. How can I open the options page?

In order to open the options page, you have two options. The first method is visiting the extensions tab in your browser and then clicking on the options button. Second option is through the toolbar popup UI. Please open the UI and click on the - open options page - button at the top.

9. How may archive engines are available in this addon?

The are seven archive engines available in this addon which you can choose from the options page. As mentioned above, only three of them are selected by default. Archive engines are as following: archive.is, webcache.googleusercontent.com, web.archive.org, timetravel.mementoweb.org, exalead.com, gigablast.com and megalodon.jp.