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SSL or Secure Sockets Layer is used to establish an encrypted and authenticated connection between networks of computers all over the Internet.

Since the data is transmitted over the Internet is transferred from a computer to another computer before arriving at the destination database. SSL makes sure that every time a user enters any value or information on your site, it is transmitted securely.

So, SSL primarily protects confidential information sent over the Internet, so only the intended user can access it. Through an SSL certificate, the user can secure multiple domains.

Why is SSL necessary?

Why is it necessary for site owners?

Customers connect with websites to exchange data and order services and products from you online safely. SSL helps you by protecting your customer’s personal information.

Without getting too deep, SSL creates a secure network for this type of activities. The main thing to know about SSL is that an SSL certificate should secure anything that involves online protection.

Can I create a site without SSL?

You can create and run a site without an SSL certificate, but you need to keep in mind that without an SSL certificate, any hacker can hack your site easily.
If your site doesn’t have an SSL certificate, Visitors will be warned by Google that your website is not safe. This is not good for your site’s reputation and ranking.
Google will never prioritise your site among other sites; your site doesn’t own an SSL certificate. As a result, competitors with SSL certificates will inevitably overtake you in Google’s search engine.

Are SSL and TLS the same

SSL and TLS are often used interchangeably in the industry. TLS is an updated version of SSL. It works pretty similar to SSL by encrypting data and information before it is sent over the Internet.

Back in 1990, when the IETF launched an update to SSL. Since Netscape wasn’t involved, so the IETF changed its name from SSL to TLS. The primary update in the last version of SSL and the updated version TLS was the change of name to signify the official in ownership. Still, people often interchange both the terms SSL and TlS.

Types of SSL certificate?

  • Single-Domain: A single-domain SSL certificate is only applicable to a single domain.
  • Multi-Domain: A multi-domain certificate applies to multiple domains, as it is identified from its name.
  • Wildcard-Domain: A wildcard domain SSL certificate can apply to only a single domain, just like a single-domain SSL certificate, but with that, it covers all its sub-domains as well. For example, a wildcard SSL certificate can cover www.appstack.co.uk, but with that, it can also cover its other subdomain like www.appstack.co.uk/blog. In contrast, a single-domain SSL certificate can only cover a single domain.


To conclude, an SSL certificate does more than just securing your clients and customers personal details, credentials and personal information. It also builds trust between you and your customers, which makes your business reputable and trustworthy.

When your site is Certified by SSL, your customers can easily trust you, which is the key point of having a business online.



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