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