What is the standard for pushing the cover size of WeChat official account?

The push cover size standard of WeChat official account is 900*383. The aspect ratio of the first graphic cover picture in WeChat official account is 2.35: 1, and the second and subsequent ones are 1: 1. However, because the new version of WeChat Android has not been officially released, there are previews of the old and new versions in the current cover clip.

The compression test of the size of the cover picture shows that the maximum size of the cover picture is 1280*545px. Beyond this size, it will be compressed to this size, which means that the image quality will decline. Therefore, the maximum width of the cover map cannot exceed 1280px_?

At present, the screen width of mainstream mobile phones is 1080px, and the overall screen is slightly wider. It is suggested that the width of the back cover picture is 1080px, that is, the size of the cover picture is 1080*460px.