How to persist custom UserAgent in Chrome

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]( 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]( Rule Editor

![UserAgent Select Device]( Select Device

![UserAgent Select Browser]( Select Browser

Requestly also allows you to set your custom UserAgent.

![Setting Custom UserAgent String]( 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 [email protected]

This article was written by:

Sagar Soni

Sagar Soni

Sagar, the co-founder and CTO of Requestly, has been pivotal in shaping the company's vision and product trajectory. With over a decade of professional experience, he has been affiliated with renowned companies like Google, Adobe, and Grofers.

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