1
vBulletin 4.x is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
2
In terms of market share, vBulletin 5.x is clearly lagging behind, losing to vBulletin 4.x in all segments.
1
vBulletin 4.x has better usage coverage in more websites categories. Including Computers Electronics & Technology, Games, Vehicles, Arts & Entertainment and 20 other categories.
2
vBulletin 5.x hasn't got a lead over vBulletin 4.x in any websites category.
1
vBulletin 4.x is leading in most countries, including United States, Germany, Russia, Vietnam and 94 other countries.
2
vBulletin 5.x is leading in Bangladesh, Norway, Singapore, Peru and 5 other countries.