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「コメントスパム」の版間の差分

提供: WordPress Codex 日本語版
移動先: 案内検索
(Comment Spam and Search Engines)
(HelpHub 移動メッセージ)
 
(5人の利用者による、間の9版が非表示)
1行目: 1行目:
常時接続環境下にある方なら、Eメールの受信トレイに、頻繁に「SPAMメール」がやってくるでしょう。
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このページは https://ja.wordpress.org/support/article/comment-spam/ へ移動しました。
 
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未経験の方のために述べると、SPAMはお節介な広告メールです。
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例えば、あなたが尋ねもしないのに、何かをあなたに販売しようとするためのメールです。
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これは、Blogでも当てはまります。
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どんな対策をしなければならないでしょうか?
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あなたの受信トレイの中にSPAMメッセージを頻繁に受信できるように、人々はあなたのBlogのスパムコメントを残すでしょう。
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しかしながら、一般に、メールスパムと異なって、コメントスパムは目標がサーチエンジンを対象とします。
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If you've been on the internet for any amount of time you're probably familiar with "spam" in your email inbox. For the uninitiated, spam is an unsolicited commercial message, or something you didn't ask for trying to sell you something.
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So what does this have to do with blogs? Well just like you can get spam messages in your inbox, people will leave spam comments on your blog. However unlike email spam where the target is you, comment spam generally targets search engines.
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<!--
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== コメントスパムとサーチエンジン ==
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一体なぜスパマーはあなたの blog でサーチエンジンを標的にするのでしょう?始めから考えてみましょう。数年前、Google は [http://www.google.com/technology/ PageRank] と呼ばれる技術を開拓しました。基本的にはインデックス化するページの内容を見る際に、そのページにリンクしている人やそのリンクが何という言葉でリンクされているかを見ています。この技術が Google を関連した検索結果を返すことに長じさせ、現在最も人気のあるサーチエンジンにしているのです。Google のランキング機構がそのように PageRank に非常に依存しているため、人々は "Google Bombing"と呼ばれるものでシステムを
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-->
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== Comment Spam and Search Engines ==
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Why on earth would a spammer target a search engine on your blog? Let's start from the beginning. Several years ago Google pioneered a search technique called [http://www.google.com/technology/ PageRank]. Basically what it does is in additional to looking at the content of a page they index, they also look at who links to a page and what that link says. This technology is what made Google very good at returning relevant results and made it the most popular search engine today. Because their ranking system relies so heavily on PageRank people can sometimes game the system in what's called "Google Bombing."
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A [http://en.wikipedia.org/wiki/Google_bomb google bomb] is when a large number of different websites link to a page with the same link text to influence the ranking of that page for a search term.
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This brings us back to the spammers. A spammer might have a site that sells viagra and wants to be at the top of a search for viagra on Google, so to create the effect of a google bomb they leave comments on hundreds or thousands of weblogs linking to their site with the link text "viagra". They don't really care if you see it, in fact they'd rather you didn't because you would delete it, they just want the search engine to see it when they index your page.
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== Fighting Comment Spam ==
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[[Comment Moderation]] is very effective in addressing unwanted comments. The best defense against comment spam is just watching your comments. Under <code>Manage &rarr; Comments</code> it shows a listing of the latest comments on any post and you can quickly scan the comment activity on your site. The faster you repsond to comment spam on your site, the less likely the spammers will return.
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On the [[Combating Comment Spam]] page you will find a list of more proactive measures against comment spam, including links to helpful plugins.
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== Stealth Spam ==
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A new technique is the spammers will leave a perfectly normal-looking comment but the commenter's URI or name. The best way to watch out for this is to visit the URIs of people who leave comments on your blog. (This is a good practice anyways.) If one looks suspicious, either delete the comment entirely or leave the comment and delete the URI.
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== The Good News ==
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The good news is that WordPress' built-in tools and history of combatting comment spam mean that most WordPress blogs get very little spam, and when they do it's easy to address. Here's a quote from noted web author [http://molly.com Molly E. Holzschlag] about comment spam and her switch to WordPress:
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<blockquote>My ISP refused to continue dealing with me because the server molly.com resided on was brought to its knees twice due to spam floods. I was spending up to two hours PER DAY to undo the spam much less post. Since switching to WP, I’ve had exactly five emails sent to me automagically for moderation. 3 of them were spam, 2 were just enthusiastic posts with multiple links from a reader.</blockquote>
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2020年1月18日 (土) 16:29時点における最新版

このページは https://ja.wordpress.org/support/article/comment-spam/ へ移動しました。