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It seems that some packet is missing from the Wireshark capture

I am rather new to Wireshark, so I could possibly misinterpret the capture results. I accessed a website using Firefox (http://www.aljassimya-amateur-challenge.com/gallery?page=4), and captured the traffic both with DevTools as Har, and with Wireshark as Pcapng. But, in the Wireshark trace I could not find some packet, of those present in the DevTools trace. At first sight it seems that Wireshark missed them, or it did not dissect them correctly. I summarized the traffic in the Excel file, where I numbered the Firefox DevTools packets (GET) following their respective line number (1,2,3 etc). While for the initial HTTP Request issued by Firefox (no 1) I could find a correspondence in the Wireshark capture, namely the frames no. 36 (outgoing) and 59 (incoming), I could find no packets corresponding to the DevTools HHTP Requests numbered 2, 4 and 5, and I didn't investigate further. Packets missed or dissection error? I have ready the before mentioned attachments, please tell me where I can upload them: In any case you can duplicate the problem with the following link: http://www.aljassimya-amateur-challenge.com/gallery?page=4 Thanks and regards

P.S. I tried to add a picture, but I got the error ">60 points required to upload files". What does it mean?