If Baidu searches to generate QR codes, there are application tools for generating QR codes

To put it on your own website, of course you must first have permissions, server (FTP) permissions or Backend management function

As for the placement

Recommended 3 positions,

1. Side by side with the website title or LOGO, such as placing your LOGO and website on the left Name, put a QR code on the right, or follow the QR code immediately after the LOGO and website name. The size of the QR code should not be too large when placed in this position

2. In the website BANNER (focus image), that is Generally, switch to the large picture next to the navigation bar and combine the QR code into the picture. The size of this place can be equal to the height of BANNER, but it is better to be smaller

3. Open a special Display the QR code in the column, such as in Contact Us, or open a special page on Weibo, WeChat, etc., where the QR code can also be placed