An SSL certificate is a digital signature of the website which guarantees secure connection between the server and the user's browser. It provides reliable data protection — the information is transmitted in encrypted form using the https protocol and can only be decrypted using a special key known only to the certificate holder.
The security certificate confirms the authenticity of the site and encrypts data transmission, ensures its safety and impossibility of interception.
The owner of a resource that collects even minimal information about its users must ensure its security. One of the security measures is SSL.
SSL certificate plays an important role in SEO-promotion: sites with https have higher positions in search engines.
Since 2017, Mozilla Firefox and Google Chrome have only labeled sites with SSL certificates as trustworthy.
SSL certificates differ in the level of validation of the applicant's data before issuance and in the number of domains and subdomains for which they can be used.
Usually, certificates are issued for a single domain (sometimes with or without www).
Certificates allowing protection of multiple domains belong to the SAN category. Buying such a certificate will cost less than a few standard ones and is a suitable solution for companies with multiple sites. Certificates of Wildcard category are used for protection of unlimited number of subdomains.
SSL certificates are divided into three groups according to their level of validation:
There are also separate SSL certificates for developers — Code Signing SSL. They allow to sign software, guarantee the authenticity of the source and the integrity of the software.
For individuals and sole proprietors only SSL Certificates with Domain Validation are issued, they only require proof of domain ownership. They are the easiest certificates to obtain, and their issuance rarely takes more than a day. They provide a sufficient level of encryption during data transmission and positively influence website positioning in search engine results.
All types of SSL certificates are available for legal entities, therefore, before buying, it is important to determine whether the product you choose is suitable for your needs.
To purchase an SSL certificate for the website, choose the appropriate option, confirm and pay for the order. We will send detailed instructions on how to order and install the certificate to the email specified in the contacts of your agreement.
If you have a large number of subdomains, it makes sense to use the Wildcard category certificate. For example, this will be relevant for development purposes, where subdomains are often used for testing, or for sites with a branched structure - subdomains help make navigation more convenient.
Wildcard SSL differs from other certificates in that it protects both the primary domain name and an unlimited number of subdomains.