PornBox.com

Here's a list to start but I'm sure plenty more should be deleted to make research more easy and precise. Most of the ones in the list have equivalent or synonyms.

NEW (makes no sense, we can order scenes by release date)
SKINNY BODY (skinny already exists)
BIG NATURAL TITS (natural, fake, big and small exists)
CURVY BODY (curvy exists)
BEAUTY
TRANNY

Almost all the ones related to intensity, "Rough" is enough :
INTENSE ANAL
ROUGH SEX
HARD AND FAST FUCKING
DESTROYED GAPE
DESTROYED ASSHOLE
INTENSE ANAL
BIG ASS GAPE
SLUT HUMILIATION
WHORE HUMILIATION
SLAVE DEGRADATION
ANAL WHORE

MATURE IN ASS
BBC ANAL
EBONY ASS
FIT BODY
MONSTER TITS
BUSTY
TINY HEIGHT
BIG DILDO
FAT ASS
GIRLY TRANS (feminine trans exists)
PUNISHING
AVERAGE ANAL GAPE
BIG BOOTY
BABE
LIQUID SQUIRT
OLDER
CUTE
BALLOON TITS
ASS
BREAST MILK
OVERUSED ASSHOLE
YUMMY ASSHOLE
SEXY CLOTHES
BEEFY PUSSY LIPS
...

And that's only for 30% of the page...

I agree, there are too many tags. I would say tags that should be there are as follows.

Anal
DP
DAP
TP
TAP
Anal Fisting
Prolapse
Prolapse licking
Prolapse Fucking
Piss on body
Piss in mouth
Pissdrinking
Piss in ass
Deepthroat
Puking
Rough sex
Choking
Face slapping
Gangbang
British
North American
Big tits
Big ass
All natural
Blonde
Brunette
Tattoos
Facial
Creampie
Anal creampie
Dirty talk
Interracial


There’s probably more I’m forgetting.

I wish R18 was still there. That site had the best tag system in porn.

If you click on the tag, anal for example, it will show all anal videos

And if you click on anal + the studio, it will show all the anal videos from that studio.

Then if you click anal + studio + actress, it will show you all her anal videos.

What made it great is that it was very accurate, all the thousands of videos in there had very accurate tags.

For LP there are not many tags that I use. The most important ones are usually:

- Anal
- Piss
- BBC
- Interracial
- BBC Only
- 1 on 1
- Gangbang
- Balls deep anal
- Anal train
- Pounding
- Prone bone
- Doggy
- Standing positions
- Piledriver

And that's it, I don't use any others, but I can see others being useful like:

- Creampie
- Facial
- Anal creampie
- Bukake
- DP
- DPP
- DAP
- TPP
- TAP
- Prolapse
- Fisting
- Anal fisting
- Gape
- Buttrose
- Ass to mouth
- Ass to pussy
- No holes barred
- 0% Pussy
- Vaginal

Other than that, tags that matter are usually the name of the studios, and the name of the performers.

That said, I see many tags that can be relevant for other people like:

- Blonde
- Redhead
- Brunette
- Long hair
- Short hair
- Blue eyes
- Green eyes
- Brown eyes
- Tomboy
- Costume
- Cosplay
- Skirt
- Mini skirt
- Heels
- Boots
- Socks
- Over-the-Knee Socks
- Barefoot
- Lingerie
- Swimsuit
- Nurse
- Nun
- Bride
- Wedding dress
- School girl
- Cheerleader
- Stewardess
- Maid
- Secretary
- Mage
- Elf
- Warrior
- Police uniform
- Military uniform
- Teacher
- Sci-Fi
- Fantasy
- Medieval
- Sports uniform
- Gym clothes
- Shorts
- Jeans
- Fully nude
- Petite
- Tall
- Skinny
- Curvy
- Bubble butt
- Big tits
- Big butt
- Small butt
- Small tits
- Lesbian
- Public sex
- Sudden sex
- Foreplay
- Milf
- Mature woman
- Squirting
- Cum swallowing
- Tan
- Pale
- Twins
- Cuckold
- BDSM
- Domination
- Voyeur
- Solo
- Sex toy
- Big dildo
- Sex machine
- Face fucking
- Twerking
- Dirty talk
- Humiliation
- Slapping
- Spit on the face
- Defloration
- First time anal
- Casting
- Crying
- Blood
- Puke
- Cream
- Enema
- Piss on face
- Piss in pussy
- Piss in mouth
- Piss in ass
- Deep throat
- Blowjob
- Butt plug
- Pregnant
- Big natural tits
- Fake tits
- Drinking piss
- Enema
- Squirting
- Latina
- Asian
- Shaved
- Bush
- Black woman

To be fair it is a lot of work, I'm pretty sure they do the best they can.