The Asus Chromebook C300MA has an 802.11n WiFi standard which is better than most portable PCs that have been around for a similar time to it. Most notebook PCs that have been on the market for around the same time as it have an 802.11g WiFi standard. In addition, this portable PC have 802.11a and 802.11ac and 802.11b WiFi standards.
An 802.11n WiFi standard is actually the best Wi-Fi standard across all portable PCs of this age and spec.
The worst Wi-Fi standard across similar types of notebook PC is 802.11a.