What is pbs.twimg.com?

pbs.twimg.com is a content delivery network (CDN) used by Twitter to store and serve images, videos, and other media files uploaded by its users. It is a subdomain of Twitter.com and hosts all the media content that is embedded or shared on the platform. The CDN uses edge servers located in different parts of the world to ensure faster delivery of content to users. Additionally, pbs.twimg.com uses HTTPS encryption to secure all media files transferred between the browser and the server. This helps to protect user data from interception and eavesdropping.