Google Trends extends back to 2004. Consequently, it has captured search interest for four national party convention cycles in its history. In '04, '08, and '12 interest in the Democrat convention was greater than interest in the Republican convention.
Trump changed that. This time around the RNC outdid the DNC:
Speaking of search interest, Trump continues to trump his competition:
Hillary barely eclipsed him the week of the California primary when the day prior to the most populous blue state in the country going to the polls it when the major media--that is in the tank for her--announced that she had won the Democrat nomination in an effort to discourage Sanders' supporters from voting. She also overtook him when James Comey detailed her criminal mix of treachery and incompetence. One day after the conclusion of the DNC she is edging him out but only just. By next week Trump will be back on top.