fyljp

本插件用于记录搜索引擎的抓取时间及抓取链接。目前支持搜索引擎：百度、谷歌、360、神马、有道、搜狗、必应、Alexa、Yandex、WordPress，以及其他表示中包含Spider关键字的抓取蜘蛛。
This plugin can record where and when the Search Engine visited. Easy but useful.It can recognize the Search Engine of Baidu,Google,Bing,Yandex,Alexa,WordPress,360,Sm,Youdao,sogou.

SpiderDisplay

本插件用于记录搜索引擎的抓取时间及抓取链接。目前支持搜索引擎：百度、谷歌、360、神马、有道、搜狗、必应、Alexa、Yandex、WordPress，以及其他表示中包含Spider关键字的抓取蜘蛛。

dubhunter

Spam is one of the most frustrating things about the internet. 
And, even more frustrating is how spiders scrape blogs and other sites for email addresses to spam. 
Wouldn’t it be nice if you could put mailto links just how you were taught, without fear of spiders? 
Well now you can! With this plugin, all mailto links will be filtered on display and converted to their unicode counterparts.

DBD Mailto Encoder

Spam is one of the most frustrating things about the internet.

SpiderDisplay vs DBD Mailto Encoder