creativestudiollc

It is a plug-in that get out non-administrators from the dashboard. 
It works just by enabling the plug-in.
管理者以外をダッシュボードから追い出すプラグインです。 
プラグインを有効にするだけで機能します。

get_out_dashboard

Manage 301 redirections, keep track of 404 errors, and improve your site, with no knowledge of Apache or Nginx needed.

Niteo

Spider Blocker blocks most common bots that consume bandwidth and slow down your blog. 
It accomplishes this by using .htaccess file to minimize impact on your website. It’s hidden from external scanners.
Spider Blocker is specifically designed for Apache servers with mod_rewrite enabled, allowing you to effortlessly safeguard your website from the most prevalent bots that hamper performance and drain resources.
<h4>Plugin Features</h4>
<ul>
<li>Block Unlimited bots from viewing your site</li>
<li>Easy Export/Import rules (comes with most common list of bots)</li>
<li>Zero Footprint</li>
</ul>

Spider Blocker

Does what it promises to do. No more bad bots to my WP blog :)

Perfect!

SpiderBlocker will block most common bots that consume bandwidth and slow down your blog.

get_out_dashboard vs Spider Blocker