In today’s digital world, online security is a top priority for any website owner. One of the most important tools that guarantees the protection of user data and safe operation of a website is an SSL certificate. In this article, we will explain in detail what SSL is, how it works, the types of certificates, why it matters for SEO and business, how to check for SSL on a site, and where to order a reliable SSL certificate and server.

What Is an SSL Certificate? Simple Explanation with Examples

SSL (Secure Socket Layer) is a technology that encrypts data between a user’s browser and the website’s server. This means that the information you enter on a website (such as logins, passwords, payment details) becomes encrypted and cannot be read by third parties.

A Simple Example

Imagine sending a letter without an envelope — anyone along the way can read your message. SSL is like a special envelope that guarantees only the recipient can read the letter.

What Happens in Practice?

When you visit a website with SSL:

  • The address begins with https:// (the “s” stands for secure).
  • A green padlock or “Secure” label appears next to the address in the browser.
  • All data you send to the website is encrypted, so hackers cannot intercept it.

Why Do You Need an SSL Certificate?

  1. Protection of personal information.
    Especially important for online stores, banks, and login services.
  2. Increasing user trust.
    People are hesitant to share their data on sites without the green padlock — which affects conversion rates.
  3. Better search engine rankings.
    Google confirmed that HTTPS is a ranking factor.
  4. Compliance with security standards.
     For payment acceptance, SSL is mandatory.

How Does SSL Work? Some Technical Details

When a browser connects to an SSL-enabled website, a so-called “handshake” occurs:

  • The server sends the browser its certificate with a public key.
  • The browser verifies if the certificate was issued by a trusted certification authority.
  • If everything is correct, the browser generates session keys for encryption.
  • An encrypted connection is established.

This entire process is automatic and takes only a few seconds.

Types of SSL Certificates: Which One to Choose?

  • DV (Domain Validation)
    The simplest type, verifying only domain ownership. Fast to install and inexpensive.
  • OV (Organization Validation)
    Additionally verifies the company or organization, increasing trust.
  • EV (Extended Validation)
    The most thorough verification; the company name is shown in green in the browser. Used by large businesses.

How to Check If a Website Has an SSL Certificate?

Quick Method — Through the Browser

  1. Check if the site address begins with https://.
  2. Look for a green padlock next to the address.
  3. Click the padlock to view certificate details: issuer, validity period.

Using Online Tools

  • SSL Labs: Full certificate audit.
  • Why No Padlock?: Helps identify mixed content issues.

Practical Tips for Website Owners

  • Always monitor the certificate’s expiration date and renew it promptly.
  • Set up automatic redirects from HTTP to HTTPS so all users access the secure version.
  • Use certificates from trusted certification authorities and avoid suspicious offers.
  • When hosting your site on a server from Server.ua, you get full support for SSL setup.

Where to Order SSL Certificates and Servers?

At Server.ua, you can order:

  • Dedicated server rental or VPS with SSL support.
  • Colocation services to place your own equipment in a secure data center.
  • Various types of certificates — from basic to EV — with guarantees and support.

Our solutions suit both small businesses and large projects.

Frequently Asked Questions About SSL Certificates

Can I install SSL myself?
Yes, many hosts offer automatic installation, but professional help ensures correct configuration.

Does SSL affect website speed?
Minimally. Modern protocols (TLS 1.3) are optimized for fast performance without delays.

Can I do without SSL?
Today, no. This can lead to lost customers and security issues.

Conclusion

An SSL certificate is your guarantee of security online. It protects users, builds trust, affects Google rankings, and is required for payment processing. Choose a reliable server and SSL certificate at Server.ua to get professional protection and stable operation for your online business.