robots.txtã®æ›´æ–°ã¯1æ—¥1回 ＋ noindex / nofollow / noarchive / nosnippet / noydir / noodp ã‚¿ã‚°ã®ãŠã•ã‚‰ã„検索エンジンã®ãƒãƒœãƒƒãƒˆã«ã‚ˆã‚‹ã‚¯ãƒãƒ¼ãƒ«ã‚’ブãƒãƒƒã‚¯ã™ã‚‹robots.txtã«ã¤ã„ã¦Googleã®John Muelleræ°ãŒTwitterã¨Google Buzzã§TIPSを公開ã—ã¦ã„ã¾ã™ã€‚ Robots-tip: crawlers cache your robots.txt; update it at least a day before adding content that is disallowed. Q&A in Buzz. If you add a new subdirectory on your site and simultaneously add a disallow for it in your robots.txt file, it’s possible that crawlers will not see the disallow before they crawl t
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