#antigate

在 Hacker News 上看到的文章，講如何用 JavaScript 砍站：「I Don’t Need No Stinking API – Web Scraping in 2016 and Beyond」。 引起注意的是「Beating CAPTCHA」這邊，直接拿 Antigate 的服務 (付費服務) 來打穿 CAPTCHA，看了一下價錢： Cheapest price on the market – starting from 0.7USD per 1000 images, depending on the daily volume 唔，這服務這好像頗不賴… 記錄起來用 :o

CAPTCHA means Completely Automated Public Turing Test to tell Computers and Humans Apart. At one glance, it seems like rocket science; yet, in yet another five minutes time you'll concur that it was not only known about by you but have also used it several occasions.

What's it?

Whenever you fill a form on the internet, the last part is made up of carton with a blurred background and a sequence of malformed alphabets and numbers. The directions above or below indicate that this really is a test of your humanness; to test whether the person completing a type is an individual rather than a pc. This really is what is called a CAPTCHA. You are allowed access to some web site provided that you kind and publish those distorted alphabets and numbers and whether the entered characters match those in the provided image.

This technologies is also called as a reverse Turing Test. The Turing Test is the creation of Alan Turing. The change Turning Test tries to show the computer is definitely not human. Carnegie-Mellon University has branded the duration CAPTCHA.

Why are CAPTCHAs used?

If you wish to post a comment to blog or a website entering the CAPTCHA is a standard,. It's a sort of safety code and was released with the goal of decreasing the amount of spam by preventing spiders from playing on line polls and creating free e-mails. Spammers, although they exist in amounts that are really small, their activity may intercept the action of an incredible number of website users. You can visit on the web if you desire to learn about captcha solver.

You might ponder why the characters in a CAPTCHA are, occasionally stretched that is distorted, obscured or decreased in size. Additionally, every image is different each time. It truly is done intentionally to help it become mo-Re unreadable to computers. The image is obscured by it from interpreting. Also, if it's fixed it might be simple for the spammer produce an application that would enable actually computers to go into the routine and move the check, decipher the letters and to spot the form. Death By Captcha is a prime minister CAPTCHA fixing service. With over 7 years in the CAPTCHA Sidestep company, Death By Captcha is becoming one of the industry leaders in the industry. To get decaptcha you can con Tact with them.