What does it mean?
As a web developer, Pingback is a term that refers to a notification system used by websites to inform other websites when they have linked to their content. When a website links to another website's content, the Pingback system automatically sends a notification to the linked website, informing them of the link. This notification includes the URL of the linking website, the title of the linking page, and a snippet of the content that contains the link. Pingbacks are useful for website owners to keep track of who is linking to their content and to build relationships with other websites in their niche. They also help to improve search engine rankings by increasing the number of backlinks to a website. As a web developer, it is important to understand how Pingbacks work and how to implement them on a website to improve its visibility and reach.