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What are SSL certificates and why is it worth having them?
SSL (Secure Sockets Layer) is an encryption technology that provides secure communication over the Internet. It protects data transferred between the user and the server, ensuring the confidentiality and integrity of information.
How does SSL work?
SSL works by encrypting data that is exchanged between a browser and a server. When a user visits a site protected by an SSL certificate, the browser and server establish a so-called secure connection. This process consists of several stages:
- The browser checks whether the SSL certificate is valid and from a trusted certificate authority.
- Encryption keys are then exchanged, allowing for secure data transfer.
- Data sent between the browser and the server is encrypted, making it difficult for third parties to intercept it.
Why is it worth having an SSL certificate?
Having an SSL certificate brings many benefits, both for the website owner and for users:
1. User trust
Sites with an SSL certificate display a padlock in the address bar, which tells users that their data is safe. This increases trust in the site, especially if it stores personal information or conducts online transactions.
2. Better positioning in search engines
Google favors sites with SSL certificates, which can improve the site’s visibility in search results. Secure sites are more likely to rank better, which can translate into more traffic.
3. Data protection
An SSL certificate protects user data from being intercepted by unauthorized individuals. This is crucial for sites that process sensitive information, such as passwords, credit card details, or personal data.
How to get an SSL certificate?
To obtain an SSL certificate, the site owner can use one of many certificate providers, such as Let’s Encrypt, Symantec, or Comodo. Many hosting companies also offer free SSL certificates as part of their services.
Summary
An SSL certificate is an investment that brings benefits in terms of both security and user trust and SEO. In an era of growing threats on the Internet, implementing SSL is a step towards increasing the protection of your site and your users’ data.
