Blogging For Dummies® by Amy Lupold Bair

Blogging For Dummies® by Amy Lupold Bair

Author:Amy Lupold Bair
Language: eng
Format: mobi
ISBN: 9781119257813
Published: 2016-06-27T00:00:00+00:00


CAPTCHAs were created to stop spammers from adding comments to blogs by using automated scripts that try to fill out any web form that they find, especially blog comment forms. But spammers are inventive: Some blog comment scripts can now recognize letters and numbers in an image, so many sites that use CAPTCHAs distort the text by stretching it, or layering it with graphic random graphic elements.

Many readers (and fellow bloggers!) find CAPTCHA gateways to comments to be annoying and aggravating. Although this is a great line of defense against spam, you may not want it to be your first one.

Other sites use CAPTCHA questions that are simple for humans to answer, such as trivia or mathematical questions. For example, “What color is a red balloon?” These kinds of CAPTCHAs are an updated version of the original CAPTCHAs and have become a fairly popular tool for bloggers.

Your blog software may have CAPTCHA technology built in, or you might be able to add one by using a plug-in. Check your blog software’s documentation and support tools for suggestions on installing and configuring a CAPTCHA system.



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