In recent years the major browsers: The Google, Apple, Baidu, etc. continue to promote and support the popularization of HTTPS, SSL certificates as necessary to configure the HTTPS security protocol, and also has become a variety of sites, App developers the most essential items One.
Current circulation of two kinds of SSL certificate is free and paid! So free and ssl certificates and paid and what is the difference?
Free SSL certificate type that is free of DV SSL certificate, you can protect a complete domain name, wildcards are not supported. Free SSL certificate just verify the domain name information, issuing fast speed.
Paid SSL certificate is divided into pay
1、 DV SSL 证书、
2、企业型 OV SSL 证书
3、增强型 EV SSL 证书三大类
OV SSL 证书、EV SSL 证书证书对申请者都需 要做严格的身份审核验证，需要提供可信×××明。签发时间一般在 5至 7个工作日
相比 DV SSL 证书，OV SSL 证书、EV SSL 证书需要严格 的身份审核，其中涉及的资料包括申请人授权书、营业执照、组织机构代码证等的重要信息。Free DV certificate for personal blog, small and micro enterprises, API service and other services, you can save a lot of money spending, and free DV certificate is sufficient to meet the basic encryption requirements, increase user trust in the website, as well as the search engines SEO optimization.
当然如果在有经济条件的情况下，付费 SSL 证书不失为一种更好的选择;对于大中小型企业网站、金融平台和政府机关等，付费的 OV、EV 证书则更加适用。SSL certificates have to pay a higher cryptographic verification of information transmission, but also to highlight the brand image through SSL certificates, providing consumers with confidence.
SSL certificates provide SSL shield: [https .// ssldun.com.], SSL digital certificates Symantec, Geotrust, Comodo and RapidSSL and many other global authority CA organization. One-stop application installation services, fee-free, full professional technical guidance.
These are free SSL certificate and paid the difference between it! Hoping to help to you Oh!