Some web pages display a small image (PNG, etc.) in the page tab title, address bar, or browser bookmarks. This image is called a favorites icon or Favicon for short. Here's a step-by-step guide on ...

Large image files can drag down your website’s performance, especially on mobile or slower connections. BabyPNG helps you ...

A version of this article appears in print on Oct. 25, 2024, Section B, Page 4 of the New York edition with the headline: How to Use Images From Your Phone to Search the Web.