The D major first inversion triad is transcribed wrong in these 2 lessons where all the voicings are being used. It is tabed as the inversion on the D,G,B strings.
https://www.guitartricks.com/lesson.php?input=26395&s_id=734
Also in these lessons they miss labled the A triad first inversion as 2nd inversion.
https://www.guitartricks.com/lesson.php?input=26294&s_id=733
There are a couple misslabled here also.
https://www.guitartricks.com/lesson.php?input=26323&s_id=2200
And on this one the E majors are labled minors.
https://www.guitartricks.com/lesson.php?input=26486&s_id=2214