jessicamartin

You can add all the following pages to Google webmaster tool : http://www.mysite.com/fr/ http://www.mysite.com You can add all URLs in same sitemap as you know that sitemap can have 50k urls. You can have 301 or canonical tag if you have duplicate issues Yes you should use hreflang for each url If both urls have same content but one in english and another one in french then absolutely there would be duplicate issue.

you can add canonical tag to same category pages then Google will not show you again.

Please follow this step Go to admin area Open Menu Preferences > SEO & URLs And then edit index.php from the page list (url lists) On next interface you will see input field for title, keyword and description metatag