O-line ranked 15th

[JaggedJimmyJay]

From the site in the OP:

Through 12 weeks of 2021, the Bengals offensive line as a unit ranks...

8th in pressure rate allowed - 21.6%
14th (tie) in sacks allowed - 14
32nd in tackles for loss allowed - 21
8th in penalties - 18
24th (tie) in yards per carry before contact - 2.2

Here are some rankings for individual players, per their respective positions (generalized as tackles, guards, and centers):

Riley Reiff

30th in pressure rate allowed - 5.03%
Sacks allowed - 3 (about average)
Tackles for loss allowed - 3 (slightly worse than average)
Penalties - 2 (better than average)

Jonah Williams

38th in pressure rate allowed - 5.39%
Sacks allowed - 5 (slightly worse than average)
Tackles for loss allowed - 5.5 (league worst)
Penalties - 2 (better than average)

Quinton Spain

12th in pressure rate allowed - 2.95%
Sacks allowed - 3 (slightly worse than average)
Tackles for loss allowed - 1.5 (slightly better than average)
Penalties - 3 (average)

Jackson Carman

39th in pressure rate allowed - 5.15%
Sacks allowed - 0 (optimal)
Tackles for loss allowed - 2.5 (slightly worse than average)
Penalties - 3 (average)

Trey Hopkins

12th in pressure rate allowed - 2.75%
Sacks allowed - 3 (worse than average)
Tackles for loss allowed - 6.5 (league worst)
Penalties - 3 (average)

They don't appear to have individual data for Sua-Filo, D'ante Smith, or Adeniji yet.