Even that my traffic through Google raised approximately 40%, the homepage (
/) of my page is gone from Google results even though I have no broken links.
How can I investigate the cause?
Google can decide to remove your page from its index if:
Google may remove a site (including its homepage) from the search results if the site gets a penalty for being spamming. Log into Google Webmaster Tools, verify your site, and check if there are any messages from Google about penalties applied to your site.