One interesting facts about Google search algorithm is that it constantly make changes. That means your site may not always stay on top of the search results. If you are hoping to stay on top of the game, you’ll have to update your site accordingly whenever Google announces changes. Check out the blog post title “Indexing HTTPS pages by default” from Google Official Webmaster Central Blog. It seems that Google will start crawling HTTPS equivalents of HTTP pages. If you are having both HTTPS and HTTP from same domain, Google will choose to index HTTPS URL if:
- It doesn’t contain insecure dependencies.
- It isn’t blocked from crawling by robots.txt.
- It doesn’t redirect users to or through an insecure HTTP page.
- It doesn’t have a rel=”canonical” link to the HTTP page.
- It doesn’t contain a noindex robots meta tag.
- It doesn’t have on-host outlinks to HTTP URLs.
- The sitemaps lists the HTTPS URL, or doesn’t list the HTTP version of the URL
- The server has a valid TLS certificate.
For sure this will have some impact on your site if you are having both HTTP and HTTPS. My guess is if you are having HTTPS for your site, Google will surely give some credits because they are promoting the usage of HTTPS. The big question is how it will affect those sites with HTTP. I suppose we just have to wait and see.