WhatsApp is one of the most used applications in the world for several reasons: firstly, it is quite easy to use and secondly, it can be downloaded on any mobile phone without exception. But there is much more to discover that few know.

For example, there is a trick to really know if a person is “online” on WhatsApp without removing their cell phone or opening the app. How was it?

How to tell if a person is “online” on WhatsApp?

1. The first thing will be to enter Google Chrome.
2. Search for the WatUsage app. However, it should be clarified, it is not an official app associated with WhatsApp, it is developed by third parties, so it is not responsible for any future updates or backups of your data or information.
3. Once the APK is downloaded, it must be installed on the mobile device.
4. This way you can enter a panel where you will be asked to save a number.
5. You have to enter the name, country and mobile phone number of the person you want to track.
6. Once this is done, each time the person connects to WhatsApp, they will be notified via a notification.
7. The good thing is that this app is free, but it also has a paid version that lets you track several numbers at once.
8. You should note that you do not need to give WhatsApp permission to access your information.

• WhatsApp will allow editing messages after they’ve been sent

Why should you clear WhatsApp cache?

1. First of all, clearing the cache of WhatsApp serves to free up some space on the mobile device. Most of the time this tends to weigh more than 1 GB.
2. Likewise, clearing the app’s cache will also prevent the app from being affected by bugs or certain bugs.
3. Similarly, some unnecessary files that were only used to update or install the app will also be deleted.
4. It should be noted that clearing the cache will not delete documents, much less photos, videos or chats.
5. Also, logging out of the instant messaging app doesn’t work either. If you want to do this, you need to click “force close”.
6. To clear the cache you have to go to Settings, Applications and search for WhatsApp.

Where is the WhatsApp cache?

According to the blog.masmovil.es website, mobile phones with Android 4.2 system will be able to clear the cache of applications from the phone settings. To do this, go to Settings > apps > select WhatsApp from the list of apps. In the menu that appears, click on storage and then ‘clear cache’.