A crawler is a computer program with the purpose to visit web sites and do something with the information on it.
Many crawlers crawl for search engines to index whatever page they visit. Such crawlers often return several times per day to check for updates.
Another use is to gather information such as mail addresses or something that suits the owner. This kind of crawlers check all the links on the page and visit them after the information collection, and in this way never stopping but keep crawling all over (the public parts of) the Web.
The Crawlers was created in 1954.
Creepy Crawlers was created in 1964.
The Sky Crawlers was created in 2001.
How do you raise night crawlers
The duration of The Sky Crawlers is 2.02 hours.
The Carpet Crawlers was created in 1975-04.
Creepy Crawlers - 1994 Sugar Frosted Crawlers 1-2 was released on: USA: 22 October 1994
Creepy Crawlers - 1994 The Night of the Creepy Crawlers 1-1 was released on: USA: 4 October 1994
because the fish are attracted to the worms movement and smell
Creepy Crawlers - 1994 The Incredible Shrinking Creepy Crawlers 2-9 was released on: USA: 30 March 1995
How do African Night Crawlers contribute to organic farming?
reptiles