If you’re an online business, your website’s search rankings are as crucial as your web security. Before you even install an SSL certificate, it’s important that you have it signed by a trusted certificate. Avoid self-signed SSL certificates — they will trigger browser warnings that both hurt your website’s traffic and its search rankings.
Many times, site owners are wary of an SEO ranking drop off when they migrate to HTTPS. In a lot of cases, there’s a misperception that SSL can hurt your current ranking. But, that’s not really true. While your rankings might fluctuate a tiny bit right when you first migrate, they will stabilize very quickly. If anything, you may see a little boost in search rankings. Google announced in 2014 that HTTPS is now a ranking signal.
To be frank with you, there’s also a way you can botch this and totally screw up your SEO if you do not perform a few essential steps after migrating to HTTPS. Below, we’ve put together a checklist of steps and actions you need to take to ensure you preserve your search rankings when moving to HTTPS:
Source : https://dzone.com/articles/essential-factors-to-consider-while-switching-to-h