横浜ゴム株式会社

By: Sexy

On: November 14, 2025

Tagged: Action, Airport, Art, Bank, Beautiful Leg, Bike, Brand, Bus, Business, Car, Card, Collection, Company, Department, Design, Development, Energy, Engineering, Entertainment, Expose, Fashion, Ground, Hardcore, Industry, Map, Material, Military, Model, Money, Mountain, Nature, Network, Ocean, Parts, Police, Race, Railway, Rescue, Science, Service, Shopping, Sky, Space, Sports, State, Station, Street, Style, Subway, System, Taxi, Technology, Tool, Transport, Travel, Trend, Truck, Weather, Web

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横浜ゴム株式会社（よこはまゴム、英文社名 : The Yokohama Rubber Co., Ltd.）は、神奈川県平塚市に本社を置く、古河グループのタイヤ・ゴムメーカー。2016年度のタイヤ販売額シェアで、日本国内ではブリヂストン、住友ゴムに次いで第三位。世界では第八位である。日経平均株価およびJPX日経インデックス400の構成銘柄の一つ。

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Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web and that is typically operated by search engines for the purpose of Web indexing (web spidering).

Web search engines and some other websites use Web crawling or spidering software to update their web content or indices of other sites' web content. Web crawlers copy pages for processing by a search engine, which indexes the downloaded pages so that users can search more efficiently.

Crawlers consume resources on visited systems and often visit sites unprompted. Issues of schedule, load, and "politeness" come into play when large collections of pages are accessed. Mechanisms exist for public sites not wishing to be crawled to make this known to the crawling agent. For example, including a robots.txt file can request bots to index only parts of a website, or nothing at all.

The number of Internet pages is extremely large; even the largest crawlers fall short of making a complete index. For this reason, search engines struggled to give relevant search results in the early years of the World Wide Web, before 2000. Today, relevant results are given almost instantly.

Crawlers can validate hyperlinks and HTML code. They can also be used for web scraping and data-driven programming.