TL;DR github.com/go-rod/rodを使うと簡単にできる package main import ( "path/filepath" "github.com/go-rod/rod" "github.com/go-rod/rod/lib/proto" "github.com/go-rod/rod/lib/utils" ) func main() { browser := rod.New().MustConnect() page := browser.MustPage(TARGET_SITE_URL).MustSetViewport(1920, 1080, 0, false).M…