Hi Jordan, Firefox 47 disabled XRender support by default. Go to about:settings and search for xrender, set the property to true. That made it a lot better for me.
Stefan > Date: Sat, 27 Aug 2016 12:34:32 +0300 > From: Jordan Sokolic <jor...@twiggle.com> > To: x2go-user@lists.x2go.org > Subject: [X2Go-User] Web browser performance over X2Go > Message-ID: > <CAFbFDtijPrfER_DEu+zM11N08FKb_Zn-WdUEkR99AQN1zZ9o=q...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hello, > I use a web frontend for work that runs locally on my server over X2Go for > about one year with success. > Some months ago I noticed a significant decrease in performance when using > Firefox. My server is running Ubuntu 16.04 with MATE desktop, Windows 10 > client. Up to Firefox version 39.0.3 performance of loading pages, > scrolling, browsing etc. was nearly flawless over a 5Mbit WAN link (with > the exception of embedded video elements). However it seems the release of > Firefox version 40.0 introduced some changes in rendering (see > https://www.mozilla.org/en-US/firefox/40.0/releasenotes/) that do not play > nice with X2Go. Further reduction in performance was noticed in versions > 46.0 and 48.0. The current release (48.0) even has trouble rendering a > plain text document without lag and choppiness. > I have tried toggling various flags relating to graphics, compositing, > rendering, etc. to no avail. > To work around this problem the only solution I have found is to forward > ports over a separate SSH tunnel and browse locally, but this is cumbersome > to set up every time I need to connect. > I have preferred Firefox to Chrome over X2Go because the latter has always > been unusably slow; now they are both similarly choppy and slow. > Has anyone else noticed this? > Any advice or help would be appreciated. > > Regards > > Jordan
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