I can't speak for websites, but around the Midwest many, many S/P and T/D REDs have upgraded their chassis(s?) with front suspension to keep their wheels in the beams regardless of track conditions. The most popular upgrade seems to be the "rocker arm" style which is nearly invisible under the bodywork, save for the slotted openings for the front axle to move up-n-down - maybe an inch of compression and rebound.
I thought the whole point was to react and get out of the beams as quickly as possible. At the hit--- if the front is rising^^^^^, its not going forward>>>>>>
Racers and builders are a copy-cat/monkey see-monkey do lot, I could win a big race with some rubber dog poop glued to the nose and at the next event there will be others , although it might be made out of carbon fibre or machined Ti. No Chassis shop wants to build a second place chassis-- if somethings works, they all will produce it
You can pick and chose however you want to build your car, many ideas out there -good/bad/indifferent. soft-tail to ridged , front suspension or solid, fully suspended or rock hard, Until it reaches the point where a solid car cannot win anymore, there is no advantage. It also could come to a point that the solid car gets phased out due to the desire for suspended chassis's as a perceived "next best thing" and not because of an advantage