Well your assumption is way off the mark DD; I watch every match, and play most of them back over again, the full match that is, not just the often seriously misleading "highlights".
Nor do I mindlessly just parrot statistics: I actually bother to look into the detail of them -- like noting that, of our 5 shots on target yesterday, 4 came in that one late incident when Henderson saved Godfrey's "header" and the follow ups by Vrancic and Drmic. Our only other shot on target was Jamal's drive. DF didn't mention that, did he, in his post-match interview? Nor, when he claimed the stats showed we were "better" in every respect except the goal, did he mention that, of our 12 shots, 3 were from way out, 2 of them more or less equidistant between the penalty area and half-way line. Compare that with Sheffield's shots, 8 out of 10 of which were within our box, one only just outside, and one inside the arc. Wilder's post match comments were much more accurate. And DF didn't even mention one of the most telling stats, percentages of play in different zones. Less than 25% of the play took place in Sheffield's defensive third! In contrast, close to 40% took place in our defensive third, and the rest in the middle third. Sheffield kept us largely at arm's length except for brief spells at the start and late on. How people can seriously claim that we dominated is completely beyond me. Do they equate possession with domination?
Regarding carrowcanario's quoting the form tables. I take the same view as Rob (in his post a few days ago) when he says that there are several different factors at play, over and above any defensive adjustments, accounting for the "improvement". This is why I have always said that I'm waiting until next season to see what, if any, lessons DF draws from this current one. But this upcoming run of games, which include 5 of Rob's "must wins" against others in the "relegation league", may well prove instructive also. What I don't want to see is more of the same tactically, or hear another chorus of "we started so brightly, and dominated possession" followed by "so **** predictable".
And Mike, you will get a more detailed answer to your question "What exactly will I be looking for next season?" in due course.