WordPress just hit an impressive milestone today: it has now filtered its 50 billionth piece of spam. Akismet, the homegrown comment filtering system from WordPress maker Automattic is the tool responsible for all the spam fighting. And those spammers keep the system busy. In April, Akismet blocked 1.8 billion spam messages, or 60 million pieces of spam per day, 2.5 million per hour, or 700 per second.
Whoa, that’s a lot of spam.
Akismet, those with long memories will recall, was the first product Automattic ever launched, arriving on October 25th, 2005 – a month before WordPress.com. WordPress sites now attract over 600 million unique visitors each month, according to Quantcast, and WordPress powers 1 in 2 blogs today (including yours truly). 50,000 to 100,000 new blogs launch on WordPress daily, giving spammers a seemingly never-ending network to target.
The Akismet filter works by combining information about the spam…
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