I recently presented my tool HTTPanalyzer at RIPE76. It's a C tool I developed in 2016 available at Github for processing HTTP traffic up to 10Gbps from PCAP files or straight from the interface. I recommend the branch "revisited", much better coded in my opinion. Of course, it's limited to the first packet of the request and first packet of the response. It's aimed to aggregated statistics like response codes, user agents, response time (immediate one, not full load of the resource) etc. More info here: https://carlosvega.github.io/httpDissector/

Only HTTP traffic, you can process decrypted HTTPS traffic (like some devices do, i.e. IXIA network devices) which is transformed into HTTP traffic. Regarding HTTPS or HTTP2 etc. The current approach is to correlate the application information from log events against traffic measurements.