Iframely converts URLs in your posts into responsive embed widgets for 900+ domains.
Well, that's the point of responsive embeds. You don't have to.
Iframely widgets will take 100% available width. If you need to limit it, just define your CSS styles for
Please, note that not all the embeds codes will be responsive. Some of hosting domains can not be converted responsively. In those cases, Iframely will left-align the embeds. You might want to consider padding and alignment styles, if you don't have generic ones for
Iframely works in native WordPress embeds framework. All your new posts should start seeing responsive widgets. The older posts will be re-cached via WordPress logic itself, and should granually get the new embeds code too. However, we do not interfere into this default process and do not re-cache older posts upon install.
If there's a specific post you'd like to update, just go to Edit and Save it again. It should re-cache it and trigger Iframely.
Iframely does not change behavior of the shortcode plugins. Everything should work the old way, except for
[embed] shortcode, which will now start producing responsive widgets unless limited in size.