Technically, the shift to 720p was monumental for this genre. In the mid-2000s, much amateur content was stuck in grainy 480p or lower. By 2015, IFM had standardized the 1280x720 resolution, and it is arguably the "sweet spot" for this type of content.
If you ask long-time subscribers what year to start with, the majority will say 2015. Here is why that specific year is so aggressively sought after. ifeelmyself ifm all of 20151280x720 best
If you’re seeking curated content:
Unlike studio porn, IFM uses:
The 2015 era was transitional (1080p existed but bandwidth was costly). Users tagging “720p best” indicates a conscious trade-off: smooth playback + decent detail. Technically, the shift to 720p was monumental for this genre