Understanding SSL certificate types: DV vs OV vs EV

Every SSL/TLS certificate does the same core job: it encrypts the connection between a visitor and your site and proves the site owns the domain. What differs between the three tiers is how much the certificate authority verifies about the organisation behind the domain before issuing.

Domain Validation (DV)

DV certificates confirm only that you control the domain, usually via an automated DNS or HTTP check. They are issued in minutes and are ideal for blogs, personal sites, and most small business sites. The padlock and encryption are identical to the higher tiers — there is simply no vetting of the organisation.

Organisation Validation (OV)

OV certificates add a check that your organisation is a real, registered entity. The certificate authority verifies your business against public records, so the certificate carries a vetted organisation name. OV suits company and e-commerce sites that want a stronger assurance without the full EV process.

Extended Validation (EV)

EV involves the most rigorous vetting — legal, physical, and operational existence of the organisation. It is most relevant to banks, large retailers, and other sites where trust is paramount. Note that modern browsers no longer show the old green address bar, so the visible benefit of EV is smaller than it once was.

• DV — proves domain control; issued in minutes; best for most sites.
• OV — adds verified organisation identity; good for business sites.
• EV — most rigorous vetting; relevant to high-trust sectors.

Which should you choose?

For the large majority of sites, a DV certificate is exactly right — and Airfree Clouds issues and auto-renews free DV certificates for every domain. Step up to OV or EV only when a compliance requirement or a high-trust audience genuinely calls for a vetted identity in the certificate.