國外有幾個爬蟲，是真的很煩人，畢竟他沒有多少用戶，還抓取抓取中文網(wǎng)頁，對于網(wǎng)站來講意義不大。于是昨天因為客戶服務(wù)器上卡頓，所以索性幫他進行了屏蔽。

今天看日志，semrush爬蟲果然是老實了，如下圖所示：

網(wǎng)站的訪問量，下降很多，爆贊！

主要封禁的是：MJ12bot、SemrushBot、AhrefsBot。robots.txt文件如下，大家可以做個參考：

User-agent: MJ12bot
Disallow: /
User-agent: SemrushBot
Disallow: /
User-agent: SemrushBot-SA
Disallow: /
User-agent: SemrushBot-BA
Disallow: /
User-agent: SemrushBot-SI
Disallow: /
User-agent: SemrushBot-SWA
Disallow: /
User-agent: SemrushBot-CT
Disallow: /
User-agent: SemrushBot-BM
Disallow: /
User-agent: SemrushBot-SEOAB
Disallow: /
user-agent: AhrefsBot
Disallow: /
User-agent: DotBot
Disallow: /
User-agent: Uptimebot
Disallow: /
User-agent: MegaIndex.ru
Disallow: /
User-agent: ZoominfoBot
Disallow: /
User-agent: Mail.Ru
Disallow: /
User-agent: BLEXBot
Disallow: /
User-agent: ExtLinksBot
Disallow: /
User-agent: aiHitBot
Disallow: /
User-agent: Researchscan
Disallow: /
User-agent: DnyzBot
Disallow: /
User-agent: spbot
Disallow: /
User-agent: YandexBot
Disallow: /