The Chromebook 11 has an 802.11n WiFi standard which is better than most Chromebooks that have been around for a comparable time to it. Most laptops that have been available for around the same time as it have an 802.11b WiFi standard. In addition, this DELL laptop have an 802.11a and 802.11g WiFi standard.
This laptop's Wi-Fi standard (802.11n) is in fact the best Wi-Fi standard across all portable PCs that have been around for around the same time as the Chromebook 11.
Across comparable types of laptop the worst Wi-Fi standard is 802.11a.