Examples of using Captchas in English and their translations into Vietnamese
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Colloquial
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Ecclesiastic
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Computer
Captchas are probably the second most irritating thing on the Web after popups.
You can get paid up to $2 for each 1000 captchas you settle.
truly guarantee that bots won't enter a web site, CAPTCHAs are needed.
VON AHN:"If you add it all up, it's about 200 million CAPTCHAs are typed every day by people around the world.
including the first CAPTCHAs to be widely used, which were those adopted by Yahoo!
You can type 1000 Captchas in 1-2 hours depending upon your typing speed.
A lot of websites have those[captchas] to make sure you're not a robot,
You can solve 1000 captchas in 1 to 2 hrs depending on your speed.
You can solve 1000 captchas in one to two hrs depending on your speed.
The users caught by the system will not only receive captchas but also an instant punishment.
methods had no effect, as each IP address could register once per hour, and 2 different captchas had to be solved.
Eventually, your IP will trip the limit and search engines will block that IP with Captchas.
CloudHole: make CloudFlare's I'm not a robot captchas appear less often.
That way, not only do they get around maximum-attempts measures like CAPTCHAs and login throttling, their chance of success increases as well,
Traditional‘type the letters you see in the image' CAPTCHAs ask users to identify and submit a value(like a word or number) they see in a distorted/blurry image.
CAPTCHAs also offer a plausible solution against email worms and spam:"I will only accept an email if I know there is a human behind the other computer.".
you get that humanity as a whole is wasting about 500,000 hours every day typing these annoying CAPTCHAs.
Bursztein hopes to encourage Web developers to think about Captchas more systematically-- as a computer science challenge,
Captchas are bad from usability point of view and as already mentioned, if they stop search engine
This product offers protective and preventive DDoS services to mitigate and deflect any attacks by using security measures such as captchas, which require visitors prove they are human.