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reCAPTCHAs are easier to read—but they're still a bad idea

From the article reCAPTCHAs are finally readable by normal humans:

Google today announced that reCAPTCHAs served up to humans are finally readable without the need to squint your eyes or bang your keyboard in frustration after typing the wrong sequence of letters five times in a row. Who can even read those things, amirite?

I'm glad Google is making CAPTCHAs easier for humans to read. For the very, very rare times when they're necessary, that's a good thing.

However, I want to make an appeal to the thousands of developers who are thinking of implementing a CAPTCHA to deal with their site's form/registration spam: use CAPTCHAs only as a last resort.

CAPTCHAs - the Nuclear Form Spam Prevention Technique
CAPTCHAs: The nuclear option.

Preventing Form Spam

Spam email folder - Gmail interface

There are many different techniques for preventing form spam on your website, and an important component of the battle against spam is your constant struggle between giving your 'real' users a good experience while preventing spammers and automated bots from spamming you and lowering the quality of the content on your website.

A Constant User-Experience Battle

Usually, the first thing someone will do after having trouble fighting spammers by manual comment/content moderation is place a complex CAPTCHA system on their forms. Something like this:

Spam CAPTCHA text difficult to read

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