How the Guardian’s real time analytics tool pivoted from ElasticSearch Rollups to BigQuery and what we learnt along the way Ophan is the Guardian’s in-house developed real time analytics tool which allows us to see how our content is performing in real-time, providing our Editorial teams with the insights they need to curate and promote our journalism. Its intuitive ways of monitoring reader engagement with content help the teams to evaluate whether it’s performing optimally. Ophan’s distinguishing feature has always been to provide journalists with visualised real time pageview information, w