Based on our record, Multi Screen Test seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You could try using a percentage for the width instead of a number. That way, it'll stretch to be a percentage of the screen size (or whatever container it's in) instead of the same amount of pixels on every screen. By the way, you can use this site http://whatismyscreenresolution.net/multi-screen-test to test how your site looks on various screen sizes. It's a little outdated and a lot of the screen sizes aren't... Source: about 2 years ago
Responsive Viewer - View multiple screen dimensions in one view
Warmup Inbox - Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.
Responsinator - Designed to test responsive websites on different devices.
Warmbox.ai - Warm up your cold email inbox, and never land in spam anymore!
Responsive Website Test - Test any website on desktop, mobile, and tablet
MailReach.co - The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.