У вашего броузера проблема в совместимости с HTML5
Peer to Peer (P2P) from Android to Arduino using the SeeedStudio NFC Shield v2.
The code uses my NDEF library for parsing messages and Yihui Xiong's PN532 code provides the SNEP and LLCP support.
https://github.com/don/NDEF/blob/master/examples/P2P_Receive_LCD/P2P_Receive_LCD.ino