E621 review / Alternatives
Ranked alternatives from our Hentai category, ordered by Meter Score.
10 alternatives to E621, ranked by Meter Score from our weekly crawl. Every site below was loaded in a real browser and measured on the same scale: ads, free share, signup friction, mobile experience and player behavior.
| Site | Meter Score | Free | Ads | Signup | Mobile | 4K |
|---|---|---|---|---|---|---|
| E621 | 74 | ~68% | light | not needed | 84/100 | — |
| FurAffinity | 82.4 | ~68% | none | not needed | 92/100 | — |
| Rule 34 | 73.9 | ~68% | none | not needed | 92/100 | — |
| ExHentai | 75.5 | ~68% | none | not needed | 92/100 | — |
| E-Hentai | 72.3 | ~68% | light | not needed | 92/100 | — |
| Kemono | 73.8 | ~68% | none | not needed | 92/100 | — |
| Gelbooru | 74.2 | ~68% | none | not needed | 92/100 | — |
| Rule34.us | 74.7 | ~68% | none | not needed | 92/100 | — |
| Derpibooru | 75.7 | ~68% | none | not needed | 92/100 | — |
| HypnoHub | 74.9 | ~68% | none | not needed | 92/100 | — |
| DeviantArt | 74.5 | ~68% | none | not needed | 67/100 | — |
1. FurAffinityMeter Score 82.4Also ranked in Hentai (#1/44). FurAffinity showed a lighter ad load than E621 in our browser test. It scored higher on mobile (92 vs 84 in our test). Best for: Mobile
2. Rule 34Meter Score 73.9Also ranked in Hentai (#3/44). Rule 34 showed a lighter ad load than E621 in our browser test. It scored higher on mobile (92 vs 84 in our test). Best for: Mobile
3. ExHentaiMeter Score 75.5Also ranked in Hentai (#4/44). ExHentai showed a lighter ad load than E621 in our browser test. It scored higher on mobile (92 vs 84 in our test). Best for: Mobile
4. E-HentaiMeter Score 72.3Also ranked in Hentai (#5/44). It scored higher on mobile (92 vs 84 in our test). Best for: Mobile
5. KemonoMeter Score 73.8Also ranked in Hentai (#6/44). Kemono showed a lighter ad load than E621 in our browser test. It scored higher on mobile (92 vs 84 in our test). Best for: Mobile
6. GelbooruMeter Score 74.2Also ranked in Hentai (#7/44). Gelbooru showed a lighter ad load than E621 in our browser test. It scored higher on mobile (92 vs 84 in our test). Best for: Mobile
7. Rule34.usMeter Score 74.7Also ranked in Hentai (#8/44). Rule34.us showed a lighter ad load than E621 in our browser test. It scored higher on mobile (92 vs 84 in our test). Best for: Mobile
8. DerpibooruMeter Score 75.7Also ranked in Hentai (#9/44). Derpibooru showed a lighter ad load than E621 in our browser test. It scored higher on mobile (92 vs 84 in our test). Best for: Mobile
FurAffinity is the closest match in our ranking with a Meter Score of 82.4. Both sites compete in Hentai, so the catalog and format feel familiar.
Most close alternatives to E621 are paid or mixed-access; the free-share column in the table above shows how much each one offers without paying.
FurAffinity showed the lightest ad load among these alternatives in our real-browser test.
FurAffinity had the best mobile score (92/100) among the alternatives we tested.
E621 holds a Meter Score of 74 and ranks #2 of 44 in Hentai, so it remains a solid pick. The sites above are the strongest replacements if you want something different.
