Welcome bonuses are almost a tradition in the online casino market. Since the earliest regulated markets came to the fore in the 2000s, sites have hung their main advertising effort and marketing angle on a welcome bonus. As the markets became more competitive and players became more clued up, these welcome offers were forced to create more user-friendly terms and diversify the bonuses.
Now, the range of options is vast, increasing the accessibility and appeal of licensed online casinos. The evolution has been innovative, to say the least.