
The most active crawlers and bots on the web
By Tomas Trnka - 02 Mar 2023
Allowing web crawlers to scan your site is vital if you want your web pages to appear in Google, Bing and other search results. Here, we list the most common crawlers alongside their User Agents.

List of TAC numbers
By Tomas Trnka - 11 Jul 2022
The TAC is an eight digit code which uniquely recognizes a cellular device's hardware configuration. It is issued by the GSMA and makes up the first eight digits of the IMEI serial number. In this article we provide a sample of different TAC numbers and identify a connection between TAC and DeviceAtlas datasets.

Targeting Android devices based on OS version
By Tomas Trnka - 26 Jul 2018
When developing a new mobile app, you need to decide which minimum API level to support. Screen size, hardware performance too - here's what you need to know.

Apple iPhone 6 detection
By Tomas Trnka - 02 Oct 2014
We have had plenty of questions regarding new iPhone 6 detection, so we’ll provide the details here. With the new iOS update and new iPhone 6 family there is no change regarding server-side detection. There is still no unique token presented in the User-Agent headers which can be used for identification of the hardware version.