Organization-wise, I'd say by pairing and a gen section (if applicable). I figure reccers are going to provide further information about all the other things - rating, genre, approximate length, author's name and probably the summary, and usually warnings for the 'big' stuff. (Non-con, the more extreme kinks. Then again, it's you, so when I see you rec stuff, I tend to expect those things regardless! Hee!) - within their rec.
This way, it's easier to browse. If I'm in the mood for some Clint fic, I can see where you've recced Clint/Coulson, Clint/Loki, Clint/Natasha, etc. and choose from there. Avengers is different for a lot of us in that, at least in my circles, few of us are very OTPish and are reading a multitude of pairings and a lot more gen than I've seen in other fandoms in a long time. But I think it's still easiest to separate by primary pairing or gen, and let people choose what looks good within that section.
But that's really if you're reccing a lot of things at once. If you've only got 3 or 4 stories and none are the same pairing, I'd just list them without much thought to arrangement. And even if a couple are the same pairing, I'd just put those sequentially.
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This way, it's easier to browse. If I'm in the mood for some Clint fic, I can see where you've recced Clint/Coulson, Clint/Loki, Clint/Natasha, etc. and choose from there. Avengers is different for a lot of us in that, at least in my circles, few of us are very OTPish and are reading a multitude of pairings and a lot more gen than I've seen in other fandoms in a long time. But I think it's still easiest to separate by primary pairing or gen, and let people choose what looks good within that section.
But that's really if you're reccing a lot of things at once. If you've only got 3 or 4 stories and none are the same pairing, I'd just list them without much thought to arrangement. And even if a couple are the same pairing, I'd just put those sequentially.