HTTPS as a Ranking Factor
HTTPS as a Lightweight Ranking Signal
The HTTPS ranking factor is a small signal in Google's ranking systems that favors secure pages, all else being equal. HTTPS encrypts the connection between a visitor and a website. Google announced in 2014 that it would use HTTPS as a ranking signal.
Google has described HTTPS as a lightweight signal that affects a small share of queries. It is lighter than signals such as content quality and relevance. In practice, an HTTPS site is not expected to outrank a better page on plain HTTP, but a secure site with equivalent content has a slight edge.
Why the SEO Side of HTTPS Is About Consistency
The bigger SEO effect of moving to HTTPS usually comes from the migration itself. Each HTTP address is a separate URL from its HTTPS counterpart. If both versions stay reachable, search engines may treat them as duplicate content, and link signals can be split between them.
A clean move keeps one secure version of every page, redirects the old HTTP addresses to their HTTPS equivalents with permanent redirects, and updates canonical tags, internal links and sitemaps to match. The redirect choice is explained in 301 vs 302 redirects, and the broader effect of moving a site is covered in how changing hosting or domain affects SEO.
Search engines also expect one preferred version of each page. Once HTTPS is live, the HTTP versions should not stay reachable as alternatives, and the preferred address is usually declared with a rel=canonical tag, explained in what a canonical URL is.
Frequently asked questions
Is HTTPS Enough to Improve Rankings on Its Own?
No. HTTPS is a small signal, so switching to it rarely lifts a site by itself. Content quality, relevance, crawlability and links remain far more important. Treat HTTPS as a baseline requirement for a modern site rather than a shortcut to better rankings.
Does Google Rank HTTP Sites Lower Than HTTPS Sites?
Not as a general rule. Given two pages with similar relevance and quality, the HTTPS version may rank slightly higher. A strong HTTP page can still outrank a weak HTTPS page, because the secure connection is only one small input among many.