What I can see so far:

1. What is Love (tab)
2. Overwatch (tab)
3. Shrek's ear
4. JJBA (with WRY)
5. Doge
6. CDi Zelda "Mah Boi!"
7. Big Enough AAAAAAHHHHH
8. Inkling Girl in Smash
9. Earth Chan
10. Pop Team Epic
11. Skinner (Simpsons)
12. KYM NSFW cover
13. Jailbait tag
14. Nyan Cat's rainbow trail
15. >shadman
16. Ugandan Knuckles
17. Saitama's "Ok"
18. DDLC "Just Monica" (same part as Saitama)
19. Awesome face (on necktie)
20. Trollface
21. Pregnancy tester
22. Loss.jpg
23. "P" from the PPG title
24. KYM upvote counter
25. Spongebob
26. Me Gusta face
27. Zone's skull logo
28. Inkling squid form
29. "I used to be an adventurer like you" line (cursor at knee)
30. Hentai Quote speech bubble
31. AYBABTU

That's quite a lot fitted into one image. Did I miss anything?

*"Just Monika?"
Other than that, you probably got them all.