Difference between a free Let's Encrypt certificate and a paid Sectigo certificate

There is no difference in the encryption protection these certificates offer.
However, 'Let's Encrypt' certificates only provide domain validation (DV) certificates.
'Let's Encrypt' certificates do not support Organizational Validation (OV) certificates.
View here for further details.

What's the difference?

(DV) certificates can only ensure a secure connection to the website. Anyone with admin rights to the website's panel can add a 'Let's Encrypt' certificate. After adding in the panel, the certificate is added automatically.

(OV) certificates validate everything a (DV) does, while also validating additional organizational information about who is purchasing the certificate such as their Name, City, State, Country. (OV) certificates may require the user to respond to an email with a verification code which must then be entered into Sectigo's website. However, this depends on how the DCV process verifies the certificate. View the following article for all steps required:

Should you use a 'Let's Encrypt' or paid Sectigo certificate?

  • If your website is a business that's processing credit cards or transmitting sensitive information (such as an eCommerce site), or has a user login section, you should only use a paid Sectigo certificate. This helps your users ensure the connection is valid and secure.
  • Simple websites that need the same level of encryption without the absolute guarantee of ownership can continue to use a 'Let's Encrypt' certificate.
  • Although DV and OV certificates offer the same level of encryption as OV certs, DV certificates do not display the actual site name within the certificate, meaning visitors are not able to validate the certificate by viewing it. Additionally, these are potentially vulnerable to phishing attacks. For example, a malicious user could create a similar site with a DV certificate to create a forged copy of your online store. For these reasons, DV certificates are not recommended for eCommerce sites that process payment information.

Sectigo certificate is included for FREE in the
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