What is HTTPS, SSL?

HTTPS is a secure protocol for communication between servers and the browser. The only difference between HTTP and HTTPS is the SSL certificate, or rather TLS, which offers this extra dimension of security. than Transport Layer Security). A green padlock will appear next to the URL if the certificate is compliant.

There are 3 levels of certification:

At the domain level: The simplest version, the cheapest and the fastest.

At the level of the organization: It verifies the company and the information is visible in the small padlock of the navigation bar

Extended validation: the most expensive, the longest to obtain but the security is maximum. It is often used for large e-commerce sites.

Since the end of 2016, many hosts offer a certificate in open-source and free called "Let's Encrypt" .

The beginning of HTTPS

Google, at its 2014 annual conference, announced the HTTPS migration of the websites of its services (Gmail, Google.com, Chrome, G Calendar, ...). Moreover, the web giant has encouraged developers and webmasters to switch their sites to HTTPS. In the same year, the search engine stated that it considers the security of a site as a criterion for natural referencing.

The HTTPS in 2017

In its announcement of 2016, Google has decided to implement signaling, in several times, unsecured web sites in HTTP. First time, the navigation bar will be gray, then the annotation "Not Secure" or "Not secured" will appear. Finally, at the end of 2017, the qualification should go red, to indicate to the user the potential danger.