Your WiFi signal can travel only a certain range. The further you are away from your router, the weaker the signal will be. Make sure you are within the area the router is capable of transmitting to and try to be as close to your router as possible. Additionally, try to make sure that there are no obstacles between you and the router. If the signal has to travel around corners or through walls, you will experience a drop in performance. You may also experiment with the orientation of your router's WiFi antenna, if it has one.
Other WiFi signals, phones, wireless devices, air conditioning, microwaves, electric installations as well as physical obstructions such as walls can interfere with your WiFi signal and impact the speed. This can become an issue especially if you live in a densely populated area or have many other WiFi devices at home. You can test if something in your own home interferes with your WiFi signal by turning off other devices.
WiFi standards describe the technology your router supports. Your router likely supports either the N-standard or the AC-standard. The N-standard has been around for a while, the AC-standard is the latest and faster one. The standard your router can support affects your connection speed, the coverage of your WiFi signal and the latency of the connection. You can find out which standard is supported in your router's documentation. Alternatively, you can call the router manufacturer for information on the supported standard.
If you cannot eliminate any of the factors mentioned above, or if you still have issues after removing some, we recommend that you try a cable connection to your router instead.