There are Domain Validation (DV), Organization Validation (OV), and Extended Validation (EV) certificates. The type you need depends on your website's purpose. For basic encryption, DV is sufficient, while EV offers the highest level of validation and trust.

Yes, search engines like Google consider SSL as a ranking factor. Websites with SSL Certificates often rank higher in search results. Additionally, it builds trust with users, which can positively impact your SEO efforts.

Modern SSL implementations have minimal impact on website performance. The benefits of security and improved SEO outweigh any negligible speed differences.

SSL Certificates typically have a validity period, commonly one year. Renewal is necessary before the certificate expires to ensure continuous secure connections. Most certificate providers offer renewal reminders.