Tumblr Optimiser is a free Chrome extension developed by migiesmith. It aims to reduce the lag that occurs when scrolling down on Tumblr for an extended duration of time. The extension attempts to optimize Tumblr to prevent lag, which can be a frustrating issue for users who spend a lot of time on the platform.

One of the main features of Tumblr Optimiser is that it unloads images that are off the screen and reloads them as they enter it. This helps to reduce the amount of data that needs to be loaded, which can lead to a smoother experience for users. It should be noted that this extension may or may not work with XKit.

The recent changes made to the extension have corrected the bounds in which images are loaded and unloaded, fixed a bug where the page would jolt as certain images were unloaded, and fixed a bug where images would overlap as the