The User-Agent request header is most commonly used by servers to identify its client’s application type, operating system, software vendor or software version. Based on the User-Agent string, server selects suitable content to be sent in response. For instance, when a website is opened in a mobile device, it usually looks quite compact and different compared to the way it opens in desktop.

Now imagine if your browser allows you to override the User-Agent string, you could see any version of a website you like! All you need to do is to install Requestly extension in your browser and enjoy the fun.

UserAgent Rule Card

UserAgent Rule Card

You can choose among popular devices like Android Phone, iPhone, tablets or web browsers like Internet Explorer, Safari, etc. Or you may also specify a Custom User-Agent string to experience a specific version of website.

Requestly has a simple rule builder where you specify the source request URL or domain and select type of User Agent. You may also choose whether to override User-Agent only for the website URL or for all HTTP requests originating from that page.

UserAgent Rule Editor

UserAgent Rule Editor

UserAgent Select Device

UserAgent Select Device

UserAgent Select Browser

UserAgent Select Browser

Requestly also allows you to set your custom UserAgent.

Setting Custom UserAgent String

Setting Custom UserAgent String

The best part of this extension is that you may run different rules for different websites simultaneously.

Requestly also has a great application in web-development where you usually want to test your website on different platforms.

Please give it a try and share your valuable feedback with us. We will try to improve and help you in best possible way. For further questions, feel free to reach out at requestly.extension@gmail.com or tweet to @requestly_ext.


1 Comment

List of Permissions in Requestly - Requestly · June 14, 2018 at 4:01 pm

[…] Tabs permission is required to obtain page url for a given tab. This is used to redirect page urls as per user’s rules and especially used in UserAgent Rule. […]

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