ROBOTS.TXT屏蔽笔记、代码、示例大全
自己网站的ROBOTS.TXT屏蔽的记录，以及一些代码和示例：
屏蔽后台目录，为了安全，做双层管理后台目录/a/xxxx/，蜘蛛屏蔽/a/，既不透露后台路径，也屏蔽蜘蛛爬后台目录
缓存，阻止蜘蛛爬静态缓存文件
下载，阻止蜘蛛爬下载目录，若无用，删除下载目录
编辑器，阻止蜘蛛爬编辑器，也防止编辑器目录被发现产生安全隐患
邮件，阻止蜘蛛爬静态邮件模板
其他页面，无收录价值页面屏蔽
图片，阻止蜘蛛爬除JPG/jpg类文件之外的任何类型图片
核心文件目录，阻止蜘蛛直接爬include及其子目录（函数/类库/模型/模板等）
媒体目录，阻止爬播放类型媒体目录，若无用，删除该目录
附加参数页面，阻止蜘蛛爬带参数的页面
RAR ZIP GZ文件类型
无效蜘蛛、恶意蜘蛛屏蔽
指定sitemap.xml位置
目录屏蔽：
User-agent: *
Disallow: /a/
Disallow: /cache/
Disallow: /download/
Disallow: /editors/
Disallow: /email/
Disallow: /extras/
Disallow: /images/
Disallow: /includes/
Disallow: /media/
Disallow: /pub/
Disallow: /nddbc.html
Disallow: /page_not_found.php
Disallow: /login.html
Disallow: /privacy.html
Disallow: /conditions.html
Disallow: /contact_us.html
Disallow: /gv_faq.html
Disallow: /discount_coupon.html
Disallow: /unsubscribe.html
Disallow: /shopping_cart.html
Disallow: /ask_a_question.html
Disallow: /popup_image_additional.html
Disallow: /product_reviews_write.html
Disallow: /tell_a_friend.html
Disallow: /pages-popup_image.html
Disallow: /popup_image_additional.html
Disallow: /login.html
阻止蜘蛛爬非jpg图片（限制产品图片格式为jpg）
User-agent: Googlebot
Allow: .jpg$
Disallow: .jpeg$
Disallow: .gif$
Disallow: .png$
Disallow: .bmp$
阻止蜘蛛爬压缩文件
User-agent: *
Disallow: .zip$
Disallow: .rar$
Disallow: .gz$
Disallow: .tar $
制定sitemap地址
Sitemap: http://www.xxx.jp/sitemap.xml
其他无效蜘蛛、恶意蜘蛛屏蔽：
User-Agent: almaden
Disallow: /
User-Agent: ASPSeek
Disallow: /
User-Agent: Axmo
Disallow: /
User-Agent: BaiduSpider
Disallow: /
User-Agent: booch
Disallow: /
User-Agent: DTS Agent
Disallow: /
User-Agent: Downloader
Disallow: /
User-Agent: EmailCollector
Disallow: /
User-Agent: EmailSiphon
Disallow: /
User-Agent: EmailWolf
Disallow: /
User-Agent: Expired Domain Sleuth
Disallow: /
User-Agent: Franklin Locator
Disallow: /
User-Agent: Gaisbot
Disallow: /
User-Agent: grub
Disallow: /
User-Agent: HughCrawler
Disallow: /
User-Agent: iaea.org
Disallow: /
User-Agent: lcabotAccept
Disallow: /
User-Agent: IconSurf
Disallow: /
User-Agent: Iltrovatore-Setaccio
Disallow: /
User-Agent: Indy Library
Disallow: /
User-Agent: IUPUI
Disallow: /
User-Agent: Kittiecentral
Disallow: /
User-Agent: iaea.org
Disallow: /
User-Agent: larbin
Disallow: /
User-Agent: lwp-trivial
Disallow: /
User-Agent: MetaTagRobot
Disallow: /
User-Agent: Missigua Locator
Disallow: /
User-Agent: NetResearchServer
Disallow: /
User-Agent: NextGenSearch
Disallow: /
User-Agent: NPbot
Disallow: /
User-Agent: Nutch
Disallow: /
User-Agent: ObjectsSearch
Disallow: /
User-Agent: Oracle Ultra Search
Disallow: /
User-Agent: PEERbot
Disallow: /
User-Agent: PictureOfInternet
Disallow: /
User-Agent: PlantyNet
Disallow: /
User-Agent: QuepasaCreep
Disallow: /
User-Agent: ScSpider
Disallow: /
User-Agent: SOFT411
Disallow: /
User-Agent: spider.acont.de
Disallow: /
User-Agent: Sqworm
Disallow: /
User-Agent: SSM Agent
Disallow: /
User-Agent: TAMU
Disallow: /
User-Agent: TheUsefulbot
Disallow: /
User-Agent: TurnitinBot
Disallow: /
User-Agent: Tutorial Crawler
Disallow: /
User-Agent: TutorGig
Disallow: /
User-Agent: WebCopier
Disallow: /
User-Agent: WebZIP
Disallow: /
User-Agent: ZipppBot
Disallow: /
User-Agent: Xenu
Disallow: /
User-Agent: Wotbox
Disallow: /
User-Agent: Wget
Disallow: /
User-Agent: NaverBot
Disallow: /
User-Agent: mozDex
Disallow: /
User-Agent: Sosospider
Disallow: /
User-Agent: Baidupider
Disallow: /