An important aspect of a certificate is to verify which site you visit. Extended Validation involves making an extra careful control of the address, owner, etc. of the website so that anyone who visits it to be safe in that it really is what it claims to be.
As you check the commercial register, obtain certificates, and even third-party certification, it takes about 1-2 weeks and sometimes slightly longer to issue such. In return, you get the market’s most powerful and credible certificates.
EV certificates are meant for e-commerce sites, banks, government agencies, enterprises and organizations where it is important to be able to confirm the identity of the site-visitors.