Global online gambling market continues to grow rapidly, and the traffic of the largest operators reaches hundreds of millions of visits per month.
Remains the leader in audience Stake with an indicator above 101 million users, however, the absolute record is demonstrated by Gamdom - more 225 million visits per month. The top also includes such giants, like Bet365, SportyBet and Betway, forming a global ranking of the most popular betting sites and casinos. These data reflect the high demand for online betting, casinos and crypto-gambling, as well as increasing competition between brands for international traffic.
If we analyze the top 20 sites of gambling operators by traffic, the dominance of multi-regional platforms and local leaders like Caliente becomes obvious, Bet9ja and Sisal. European market represented by FDJ and Paddy Power, and the lotteries segment is National Lottery.
This arrangement confirms: global market iGaming develops through localization, mobile traffic and implementation of new technologies, including cryptocurrencies and live betting, which makes the topic “top gambling sites in the world by traffic” one of the most popular in SEO and industry analytics.
Top 20 gambling operator sites in the world by number of visits per month
1. Stake. com — 101,3 million.
2. Sportsbet. com — 69,8 million.
3. Caliente. ms — 47,9 million.
4. RoomCasino. com — 37,3 million.
5. Bet365. com — 36,6 million.
6. Betway. co. for — 30,9 million.
7. Hollywoodbets. net — 30,1 million.
8. Gamdom. com — 225,7 million.
9. Bet9ja. com — 20,7 million.
10. Loteriayapuestas. es — 20 million.
11. Sisal. it — 19,7 million.
12. Betonline. ag — 19,3 million.
13. rainbet. com — 19,2 million.
14. Shuffle. com — 18,5 million.
15. Betano. com — 17,4 million.
16. Bovada. lv — 17,3 million.
17. Stoiximan. gr — 15,9 million.
18. FDJ. fr — 15,6 million.
19. National-Lottery. co. uk — 15,3 million.
20. Paddypower. com — 13,6 million.
Source: The Business of iGaming (https://www.businessofigaming.com/largest-online-gambling-websites/)
What about Ukraine??
Looking at the local Ukrainian market through the prism of Similarweb, it becomes obvious, that even top sites like slotscity.ua with traffic of about 3 million visits per month are not comparable with global industry leaders, where the figures reach 100–200 million. The Ukrainian online gambling segment is formed by local brands and offshore operators….Which we will not name, they are too famous.
Within Ukraine, the market is distributed among dozens of sites, and not concentrated under one leader, How does this happen on a global level?. It means, that search queries like "online casino Ukraine" And "betting sites Ukraine» share traffic between many players, and growth is achieved through SEO, affiliate models and mobile traffic, which dominates the structure of visits.
📊 Top 10 licensed online casinos in Ukraine (2026)
Formed based on: KRAIL licenses, presence in ratings and real traffic/recognition.
🔝 Market leaders (legal)
- Slots City — leader in traffic among legal ones (~3+ million)
- Favbet Casino - strong brand + sportsbook integration
- Vbet Casino — international operator with a Ukrainian license
- GGbet Casino - eSports + casino segment
- Betking Casino — stable growth, strong mobile
- First Casino (first.ua) - one of the first licensed
- Casino.ua — an actively growing local brand
- 777.do - new, but is quickly gaining an audience
- Vegas.ua - fresh license, aggressive marketing
- SuperGra — stable mid-tier player
📌 All these operators have official licenses KRAIL and work in the legal field of Ukraine
📉Extended list (legal market)
The licensed pool also includes:
- ChampionCasino
- ChampionClub
- Gorilla Casino
- Concrete
Total in Ukraine about 13–20 legal online casinos, depending on the status of licenses and regulator updates.
Licensed online casinos in Ukraine V 2026 year form a separate market segment, adjustable CRAIL and including approx. 15 official operators. The top legal casinos include Slots City, Fawbet, Vbet, GGbet и Betking, which combine a high level of trust, transparent payments and stable traffic. Unlike offshore sites, licensed Ukrainian casinos operate within the legal framework, provide player protection and pay taxes, which makes them key players in the development of the country’s legal iGaming market
