I've been finding that there is often what seems to be an inbuilt pause on typing, The letters or spaces then appear on the page moments after they're typed and some letters get lost, (e.g. 'letters' just now ended up as:'etters') and I then have to spend time going back over it all again. I've not had a problem on any other site recently (it used to bother me when I used Citrix at work some years ago)
As a further illustration, that last sentence came out as: I'vent had aproblem onny other site recently(it used to bother me hen I ud Citrix at wok some yearsago)