| 单词 | web crawler |
| 释义 | web crawlerDefinition Search engine for locating information on WWW, it indexes all the words in a document, adds them to a database, then follows all hyperlinks and indexes and adds that information also to the database. Also called web spider, spider. Use 'web crawler' in a SentenceAltavista was the Google of its day, as it was often the first destination of dialup users looking for the accurately indexed content the web crawler was then known for. You need to know how to fully optimize your site to show up on any web crawler and be seen by many people. I really liked the web crawler and it made me think of a spider when I imagined it being used online. |
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