All SSL certificates encrypt traffic the same way, but they differ in how much they verify your identity and how many domains they cover. Choosing the right type depends on your site's purpose and budget.
Validation Levels
| Type | Validates | Best For | | --- | --- | --- | | DV | Domain control only | Blogs, small sites, most stores | | OV | Domain and organization | Business and corporate sites | | EV | Strict legal verification | Banks, large enterprises |
Domain-validated (DV) certificates issue in minutes and are free through AutoSSL. OV and EV require manual document checks and are purchased separately.
What Each Type Offers
- DV (Domain Validated): Confirms you control the domain. Fast, free, and enough for most websites.
- OV (Organization Validated): Confirms your business is real. Adds trust for company sites.
- EV (Extended Validation): The strictest checks. Once showed a company name in the bar, though browsers have reduced that display.
Wildcard Certificates
A wildcard certificate secures a domain and all its subdomains with one certificate, for example:
*.yourdomain.comcoversblog.yourdomain.com,shop.yourdomain.com, and more.- It saves you from issuing a separate certificate per subdomain.
- It is available as DV, OV, or EV.
Which Should You Choose?
- A blog, portfolio, or standard store is well served by a free DV certificate.
- A business that wants verified identity should consider OV.
- Many subdomains under one domain point to a wildcard.
For most sites on shared hosting, the free DV certificate from AutoSSL is all you need. Only buy OV, EV, or wildcard certificates when your use case genuinely calls for them.