best online casinos

Online Casinos Explained

We’ve trawled the depths of the internet to find  some of the best online casinos for you to choose from. These are recommended online slots and casinos that meet our strict, online casinos listing criteria in order to make the charts.

Although our findings may not be as comprehensive as we’d like, we do like to think of the online casinos list, as a working progress. One however, that has enough variety for you to choose from.



  Reviewing Online Casinos

  Rating the Best Online Casinos

  Staying Safe & Secure

  The Welcome Bonus Offer

  Functionality & Usability

  Accepted Payment Methods

  Customer Services

  Distinguishing the Best Online Casinos

  Online Casinos FAQ’s


Reviewing Online Casinos – Phase One

When it comes to the online casinos, review process no stone is left unturned. In fact before we even think about digging too deep, we look at player feedback across the web. This gives us a good idea on where these online casinos stand prior to being looked into further.

However, should they pass and we happen to give these casinos the benefit of the doubt the next phase is a bit more complex.


Reviewing Online Casinos – Phase two

The second phase is a dissection of the casino, each area split into individual services and rated accordingly.

When complete, the ratings are brought together and the online casinos are given an average. Which then determines where they sit within the charts.

Therefore, in order to narrow down what casinos make the charts, ensuring a strict review process takes place is very important.

This is conducted via our online casino analysts, who are in charge of the surgical precision required to vet and rate each online casinos service. This includes:


  1. Reviewing the license(s)
  2. Security
  3. User friendliness
  4. Software
  5. Games
  6. Rewards
  7. Deposit and withdrawal times
  8. Payment options
  9. Device compatibility
  10. Customer Services

Rating the Best Online Casinos

Digging further into the process! When it comes to rating and ranking the provisional online casinos. The task at hand isn’t simple and aside from what’s on offer in front of you. Each one of you will have your own individual preferences.

At which casinos we rate and rank online casinos by looking carefully at what makes their casino engine run smoothly! And, as the top 10 list, above of our Phase 2, would suggest, here’s how those areas are broken down and why they’re important.


Online Slots – Staying Safe & Secure

Online Casinos Safety and Security

One of the most important areas of any online casino, is ensuring their security to protect your personal data and funds is up to scratch.

This includes having an up to date SSL security encryption protecting your data from being stolen by third parties.

All available online casino and slot games, must be able to be reviewed and audited by reputable software providers as well as for compliance by eCOGRA.

The online casinos must also be Licensed and regulated by gambling authorities within a licensed jurisdiction.


Online Slots Bonus Offer

Whether it’s a matched bonus offer, no wagering, free spins, no deposit or enhanced bonus offers. Welcome bonus offers come in all shapes and sizes. It’s therefore always important to read the bonus terms and conditions set by online casinos.

Under the laws set by the UK Gambling Commission. All online casinos must clearly display the terms and conditions on bonus offers clearly and made easy to understand.


Online Casinos VIP & Rewards


VIP & Reward Programs at Online Slots

Once you’ve signed up, depositing and playing, thus becoming an existing online casino player.

As long as your chosen online casino offers the service, you may well be on your way to becoming a member of the elite VIP club.

One of the benefits would see online casinos sending out a variety of rewards to their loyal players. This includes free spins on online slots, as well as free money.

In addition, there’s also a specific VIP scheme offered by some of the top online casinos.

Rewards here can range from bigger free spins, all inclusive holidays, tickets to events, birthday gifts and much more.


Online Slots Functionality & Usability

An online slots functionality and ease of navigation is very important. There’s nothing more frustrating than visiting an online casino and finding yourself unable to navigate your way round. Let alone locate your favourite online slots or casino games.

A good online casino will always design their site portal from a players point of view, ensuring ease of navigation and usability.


Online Slots Device Compatibility – Instant Play

Although the majority of  the population now owns a smartphone and some accessibility to tablets. Online slots or casinos originally, only focused on desktop display.

However, as technology has advanced and internet connections became more reliable as well as accessible in homes, trains and most public areas.

It only made sense for online casinos to ensure their websites were optimised to suit all devices, ensuring quality and ease of use wasn’t sacrificed.

Today, all our online casinos are iOS and Android compatible. Therefore your experience whether on desktop or smartphone is enhanced and never lost.

To that, most online casinos offer downloadable apps. For those that don’t, you need to worry as you’ll have access to instant play.

Simply put, instant play is where an online slot or casino only requires you to type in the URL, to which the graphics and display will automatically adjust and fit your device.


Accepted Payment Methods – Online Slots

With hundreds of payment options widely available. It’s important to note, that not all online casinos accept every payment method.

Although some players would prefer to simply register their debit card when playing online slots. There are other options such a:





  Boku pay by phone


  Cryptocurrencies such as bitcoin, that have been integrated into most online casinos today.


The above listed payment options are more suitable for online slot and casino players due to their ease of use.

You merely either enter an email address or phone number, log into your registered payment method online, and confirm the transaction.

In addition, these are also preferred payment methods for most players, as the funds are separate to their general bank account.

In some cases players don’t want their gambling activity showing up on their bank statement.

Also to remember as of April 2020 the use of credit cards in gambling is banned.


Online Casinos payment methods


Withdrawal Times & Online Slot Game Variety

There’s nothing more frustrating that winning money and struggling to withdraw it.

Majority of online casinos tend to have your withdrawals confirmed and in your account within 3-5 working days.

E-wallets such as PayPal, Skrill, Neteller, will generally have your money within 1-24 hours.

In some instances you’ll be asked for identification prior to funds being confirmed for withdrawal. This is the new KYC (know your customer) process, which is required by law.

To also note, Bitcoin or cryptocurrency casinos do offer the fastest withdrawals times of all, averaging 10 seconds to hit your wallet.


Customer Services

Considered as the icing on the cake when it comes to what determines a great online casino experience against a horrible and unforgettable one!

The Customer service team is the front line to answering and assisting any players that may have an enquiry or concern that needs to be dealt with.

A readily available and accessible customer service team means it’s easier to get a resolution and carry on playing.

To that, some online casinos offer 24/7 customer service, while others are open within certain times a day.

Again this can range from reaching them via email, live chat, social media, telegram or telephone.


Understanding Retention at Online Slots

It’s not hard to believe that all casinos have a single objective and that’s to get you through the door and keep you. The best online casinos understand this and have built the required infrastructure. Ensuring all players, always get more than they expect.

Online slots and casinos understand that by fulfilling all your player requirements and needs, would lead to loyalty, meaning you’ll have no reason to go elsewhere.

Distinguishing the Best Online Casinos

With thousands of online casinos cropping up online everyday, it’s important to distinguish the honest one’s from the likely problematic.

Through vast research conducted by our team of online casino experts, casinos are continually added, reviewed and vetted against each relevant category.


Categorising Online Casino Information

To try and define the online casino topics, a list of individual categories has been compiled across the whichcasinos website.

This includes, but not limited to:

In addition, should any online casinos change their methods by adopting new methods, a secondary review of the changes is carried out.

Should the changes be relevant, either their review is adjusted accordingly alternatively a new category is added to the site should the changes be at industry level.

We also have our ‘Other Casino Bonuses’ page, these are Casino pending reviews.

Keeping you in the Loop

The team at Which Casinos, offers news related updates via our blog.

At times, miscellaneous, the information found on site is always very much relevant to the changes in rules and regulations likely to affect, you, the player.

Our Guide section, offers information as well as strategies designed to increase your chances in understanding some of the most favoured games. As we understand not everyone’s an expert, some players wanting to try their luck would prefer a bit of guidance.

You will also find a section for the best High RTP Games on offer, what they are, how to play them and what to do to increase the chances of winning. Although this is never guaranteed, please ensure a full understanding of each game provided by online casinos prior to playing.

Closing Thoughts on Best Online Casinos

It’s important you understand that although we have put together some of the best casinos out there. We do advise you spend some time exploring all the displayed categories and narrowing down what most meets your requirement.

Once you have found a relevant category, simply read the casinos summary and features. This will then give you a good understanding of the casinos we’ve ranked accordingly.

All casinos that make the charts have met our requirements. Now that we have taken care of the basics, simply find the casino that meets your requirements and give them a go.

Online Casinos FAQ’s

Can online casinos cheat?

If your chosen online casino is licensed and audited by a reputable testing agency such as eCOGRA, then you can be guaranteed they can not rig nor cheat. It’s important to remember all online casinos operate their games via Random Number Generators (RNG). This means the final outcome is random.

You can also investigate cryptocurrency casinos using the provably fair system. Unlike RNG casino where the outcome is built on trusting the system, provably fair allows you to randomly choose the selection of numbers known as a seed. Which you’d verify by matching the outcome seed against your selected seed.

Can you really win money playing slots online?

Gambling is identified as a game of chance, as such outcomes are determined at the advantage of the house in the long term.

In most cases if you wanted to increase your chances in winning, you might want to look at the return to player (rtp) percentage of your chosen slot game. The higher the rtp percentage, the more frequent the slot game pays out.

Therefore, any slot games with 97% and above, you’re likely to win on, and yes, it’s real money!

What is the most trusted online casino?

There’s a wide number of good trusted online casinos out there. All online casinos displayed at are trusted and reputable online casinos, that have been fully vetted by us prior to being displayed.

However, should you choose to source an online casino yourself, you want to make sure they are licensed, registered with eCOGRA or equivalent, has a safe and secure website with an SSL certificate of encryption.

You also want to make sure they have clearly displayed their bonus T&C’s and have an active customer service team. Make sure you also look at player reviews online to get an idea of what other players are saying.

What are the advantages of playing online casinos?

Online casinos unlike land-based casinos offer a few advantages to players, the main ones being:

Online Casinos offer a welcome bonus, which can come as free spins, no deposit, no wagering, matched or enhanced offers.

Having all your slot games, live casinos on mobile, brings easy navigation and the ability to gather information about the games return to player percentage.

Loyalty rewards from online casinos are frequent, with free spins offers to test new slot games.

For the dedicated player, online casinos offer 24/7 access from the comfort of your own home.

Online casinos offer hundreds if not thousands of slot game options as well as live dealer entertainment.

How can I increase my chances of winning at online casinos?

Playing online slots or casino carries a risk of financial loss, however understanding what you’re in for can minimize disappointment. The below pointers will help you become a better gambler:

Set and commit to you bankroll, understand that should you lose it, you won’t miss it nor will it put you in financially difficult position.

Take your time in finding the best online casino welcome bonus, that offers you value for money.

Look at the return to player percentage, blackjack offers the highest rtp of around 98.5%, which in essence means in the long run for every £100 player you should win back £98.50. Online Slots however offer more frequent payouts, again, ensure these are 97% rtp and above.

If the online casino offers a demo version of your chosen slot game, be sure to test it and gauge in how it’s played and how often it pays out.

Most importantly, gamble to entertain yourself and not to view gambling as a form of becoming rich. Play within your financial means and as in the first point, commit to a strict bankroll.