Interface NCD5500 to Microcontoroller and data upload

Dear, I am new use of NCD5500 and Ethernet based application using Microcontroller. My project need to send data from micro controller using I2C bus to NCD5500 and then upload on a webpage. How may, I proceed. if there is already existing data on webpage and I want to add new data further, what commands etc are required to be sent to NCD .

Hi,
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