Hello everyone!
Let me introduce an e621 mobile version.

https://e621.us.to/
https://e621.uk.to/

30.06.2016: Service alive!
06.08.2016: Additional domain
04.11.2016: Fixed "Clear" button functionality
06.06.2017: Added rating filter
11.09.2017: New hosting and 2nd domain
16.01.2018: New domains
13.03.2019: Im still alive, and image-per-page setting now have standard expire time.
24.02.2020: SSL (https protocol) is now enabled
18.12.2022: Accessible via IPv6

e62.1x.net
e62.1x.de
e621.url.ph
е621.ml
е621.s.co
e6.21.rs
e621.t28.nеt

What inside:
- Small page size for mobile internet - ~3kb/~230kb with low-mode pictures
- Changeable low-res/hi-res modes
- Mobile-friendly pages: only html and css, content automatically fit screen width
- Blacklist + combo BL
- Basic info under pictures - rating, score, size
- Icons for mobile devices by "Eclipse933" http://e621.net/user/show/6206
- Supports "Chrome homescreen-installed app" feature for android and IOS - just tap "add to homescreen"

Designed for IOS, BB, Symbain and other devices that cant use apps
All ideas and questions you can post here, write to cuberope(at)ya.ru or pm directly to me

Thanks

P.S. If you see that something broken or service completely offline - please PM to me:
https://e621.net/dmail/compose?to=cuberope
or write email:
cuberope(at)ya.ru