WEB08S RFID reader is a real time RFID device embedded with HTTP web based platform. Upon RFID card detected by the reader, it will send a GET (CMD=CO) request to the web server and requesting the page \avea.php. Please see the example code in section 4 of the manual (https://avea.cc/spec/web08s.pdf)

WEB08S-TA RFID reader built in with 1000 non-volatile memory. It is specially designed for time attendance RFID card application. Scanned card ID will be stored in the reader’s non-volatile memory. WEB08S-TA will connect the web server regularly (requesting \avea.php) to send the data information one by one in chronological order and wait for a response to executes the embedded commands in the response immediately. The command is CMD=REC. The server must response with DEL_REC otherwise the reader will keep sending the record. Please see the example code in section 4 of the manual (https://avea.cc/spec/web08s-ta.pdf)