To be fair, it depends on which link you choose. The ‘lunchtime game’ was pretty good but the Brentford Burnley was not that sharp on the link I watched.
The Manks v Spurs tonight was basically HD.
To add to that, it’s just occurred to me that there wasn’t a single case of buffering over all...
Try tenorsky.com
Choose your game, then scroll down past the text & select one of the half dozen links and then scroll down until you see the player. Click and the game will start, enlarge to full screen and you’re done.