- What is an SSL certificate?
SSL (Secure Sockets Layer) is a security technology that encrypts communication between the web server and the user's browser, ensuring that the data transmitted cannot be intercepted or altered.
- Why is an SSL certificate necessary for my website?
SSL helps protect users' sensitive information, such as passwords and bank details, preventing it from being accessed by malicious third parties. In addition, a website with SSL is more reliable and gains greater credibility with visitors and search engines such as Google.
- What is the difference between SSL and TLS?
SSL and TLS (Transport Layer Security) are security protocols used to protect communication on the Internet. SSL is the older version and TLS is the newer, more secure version. Nowadays, the terms are used interchangeably, although TLS is the current protocol.
- How can I check if my site has an SSL certificate?
You can confirm that your site is secured with SSL by checking the ‘https://’ in the URL (instead of ‘http://’) or a padlock symbol in the browser address bar.
- Is an SSL certificate essential for all websites?
Although it's not compulsory, any site that handles users' personal or financial information (such as e-commerce or login areas) should have an SSL certificate. In addition, Google suggests that all sites use SSL to increase security and positioning in searches.
- What are the types of SSL certificates?
There exist three primary categories of SSL certificates:
- Domain Validated (DV): Basic domain verification;
- Organisation Validated (OV): Confirmation of the domain and the organisation's identity;
- Extended Validation (EV): The most rigorous verification, displaying the company name in the browser's address bar.
- How long does an SSL certificate last?
Most SSL certificates last between 1 and 2 years. After this period, it will need to be renewed to maintain the site's security.
- Can I install an SSL certificate on an existing site?
Yes, you can install an SSL certificate on an existing website. The installation process varies depending on the hosting provider and the type of certificate, but it is generally simple and can be done via the hosting control panel.
- What are the advantages of implementing SSL on my site?
- Enhanced security: Safeguards the exchange of information between the user and the server;
- Increased security: Users feel more protected when they see the padlock symbol and ‘https://’ in the address bar;
- Optimisation for SEO: Sites with SSL are favoured by Google, which can increase their position in the results.
- Compliance with standards: Meets the security criteria established by privacy laws and regulations, such as the GDPR.
- What happens if I don't put an SSL certificate on my site?
If your site doesn't have SSL, current browsers will display a ‘not secure’ warning, which can discourage visitors. In addition, your site could be penalised in search rankings, which can affect traffic and online visibility.