Beherit

<p>Plugin protects WordPress website forms from spam and brute-force attacks with Google reCAPTCHA. There is no additional user-unfriendly options, just choose captcha version, enter keys and optionally set captcha theme, size or badge position – nothing more!</p>
<h4>What forms are protected with reCAPTCHA?</h4>
<ul>
<li>Login form</li>
<li>Reset password form</li>
<li>New password form</li>
<li>Registration form</li>
<li>Comment form</li>
<li><a href="https://wordpress.org/plugins/lite-contact-form/" rel="ugc">Lite Contact Form</a></li>
<li>Contact Form 7</li>
</ul>
<p>The reCAPTCHA verification will be required only for not logged in users.</p>


GreCAPTCHA

Protects WordPress website forms from spam and brute-force attacks with Google reCAPTCHA.

fyljp

<p>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。</p>
<p>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.</p>


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。

GreCAPTCHA vs SpiderDisplay