Football is one of those sports where I try to slow down before looking at odds. A price can move for a lot of reasons, and if I only look at the number without checking the match context, I usually feel like I am mising half the picture.
For scores and schedule basics, I like starting with bigger pages such as the ESPN NFL scoreboard and the CBS Sports NFL scoreboard. They are simple enough for checking game state, quarter, and recent scoring without digging too much.
I also keep the official NFL schedule page nearby when I want to double-check timing or match details. It sounds basic, but wrong kickoff time or a missed fixture change can make the rest of the checks messy.
After the score and schedule side, I look at market comparison pages. OddsPortal American football is useful for seeing how prices are lined up across books. I also check more than one source when something looks strange, because sometimes one page is slower to update.
For a separate score check, I also use this football live scores page. I do not need every page to do everything. I prefer one tab for scores, one for odds comparison, and one official page for schedule context.
That small routine keeps me from reacting too fast. First I check the score, then timing, then the odds movement. It is a boring process maybe, but it makes the whole read cleaner.