1. Read and translate within the original web page.
2. Import the article to read on Readlang.
Either way, you need to install the Web Reader & Importer.
Chrome Extension (Desktop only)
Install this extension: https://chrome.google.com/webstore/detail/readlang-web-reader-impor/odpdkefpnfejbfnmdilmfhephfffmfoh
This will place a green "R" button next to the address bar, click it when on the webpage you want to visit.
Learn how to install and use the Chrome extension in this video:
Bookmarklet (Firefox and other browsers)
This works exactly like the Chrome Extension, except that instead of a green "R" button, it becomes a link in your bookmarks bar.
For instructions on installing and using the Web Reader in Firefox, see this video: (the method for other browsers should be similar)