Credit cards, if you use them correctly, can net you a lot of rewards. Big signup bonuses, cash back, rewards programs, and loyalty discounts can combine to save you hundreds or thousands of dollars a year. But to exploit these deals, you need to know where to look for them. Here are 10 sites that will help you find the best credit cards for you and then maximize what you get out of them.

NerdWallet's Best Credit Cards

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The best credit card deal may well depend on what you're looking for—maybe you want bonus airline miles, maybe you want cash back, and maybe you want a low interest rate. NerdWallet's credit card rankings splits cards into groups based on which area they're strong in; so you can look at the best hotel credit cards, the best small business credit cards, the best no-foreign-transaction-fee credit cards, or one of many other different categories.

Bankrate Credit Cards

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With an even larger selection of different types of credit cards than NerdWallet, Bankrate provides a fantastic resource if you're looking for good credit card deals. Each credit card is listed with its advantages, intro APR, standard APR, annual fee, and credit needed. You can also filter by the card issuer and the required level of credit; this is great if you know that your credit is good, but not excellent.

The Simple Dollar Guide to Maximizing Rewards

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This massive guide contains The Simple Dollar's rankings for best rewards cards for the year, and advice on how to maximize your rewards when using those cards. By taking full advantage of the cards listed on this page, you can come up with a huge amount of rewards, both through sign-up bonuses and ongoing airline miles and cash back. Especially important is the Golden Rule of rewards credit cards: don't carry a monthly balance.

NerdWallet's Best Credit Card Signup Bonuses

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If you want to get rewards fast, then looking for a card with a great signup bonus is the way to go. NerdWallet continues its fantastic coverage of credit cards with a great guide to cards with the best signup bonuses. They cover cards with travel rewards, free hotel nights, and free flight bonuses, and tell you how to take full advantage of those rewards.

If you start to find yourself with too many credit cards in your wallet, try a digital wallet—it'll help keep your cards organized without making your wallet or purse bigger.

Brad's Deals Top 5 Credit Card Signup Bonuses

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This list is updated regularly, so you can always be sure that you're getting the most current information on which credit cards offer the best signup bonuses. Sometimes they'll be airlines miles, sometimes you'll find credit rewards, and sometimes you'll find zero-interest introductory APR. It's a good page to check regularly.

CreditCards.com Top Offers

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Although CreditCards.com only offers information on cards from their affiliate partners, they have a lot of partners, so you'll be getting a wide range of types of cards. Their top offers page gives you the details on their picks for the best cards in a variety of categories, like airline, gas, 0% APR, points, and no annual fees cards.

Head for Points

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This blog is focused on helping you get the most out of your British Airways rewards cards (though their rewards scheme, Avios, can also be used with a number of partner airlines as well). The writer of the blog, Raffles, is extremely talented when it comes to maximizing Avios, and you'll find all the information you could want on getting the most out of your BA cards.

The Points Guy

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With a focus on travel in general, instead of just Avios, you'll find credit card reviews, current promotions, a rewards maximizer tool, and a wide range of different topics that will help you get the most from your rewards credit cards. The TPG Maximizer helps you choose which card to use on different types of purchases to get the most airline miles possible, and claims to have saved users of the tool an average of $995. It's free, and definitely worth a shot.

Frugal Travel Guy

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With a focus on getting the maximum amount of rewards out of your credit card bonuses, Frugal Travel Guy will alert you to good redemption deals and limited-time signup bonus offers as well as providing good advice to make travel more affordable. Their Top Travel Deals and Rookie Guide sections are a great place to start, and their list of best rewards cards can help you make a decision on which card to apply for.

Redhead Roamer's Miles and Points Series

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Redhead Roamer has a great series on amassing and cashing in on rewards points. The first post covers the basics, the second post discusses some specific redemption programs, and the final post talks about how to maximize your rewards. If you're new to the credit card rewards scene, this is a great place to start.

Make the Most of Your Credit Cards

These sites will help you find the best credit card deals on the Internet, whether you're looking for signup bonuses, low interest rates, or redemption programs. By applying for the right cards at the right times, you can reap a lot of rewards. Just be sure not to go overboard, or your credit score might suffer (though remember, you can use technology to help manage it).

And don't forget that you can collect rewards from other places, too—try using the Bing rewards program to get even more rewards while you're looking for credit card deals!

Image Credits:pay me by frankieleon via Flickr