HTTPS uses secure connectors and has many SEO benefits. In August 2014, Google declared the secure connection to be a certified ranking signal. This means that sites that do not have a secure connection can significantly boost their rankings with search
The Differences Between Google Panda and Google Penguin
The slightest change to Google’s algorithms can send shockwaves through the SEO community. While Google constantly makes changes, sometimes the search engine giants makes such huge changes at once that SEOs give the event a name. Two examples are Panda