Ariana

This is a very simple plugin that adds a “robots” meta tag to the head of your site with “noarchive” in it.
The effect of the noarchive robots meta tag is that search engines will not keep a cached version of your pages and posts.

Simple Noarchive

Andi Dittrich

Aenon Dynamics

NOTE: this plugin is targeted to advanced users and professionals – it requires some configuration tasks and won’t work out-of-the-box!
The plugin is used to display Email addresses as an image – automatically. 
This will stop harvesters and crawlers from gathering sensitive data from your website. 
It works with emails, telephone numbers, postal addresses or any other text-content. 
Just wrap your E-Mail-Address into a shortcode like <code>[email]youraddress@example.com[/email]</code> – that’s it. 
Or use the Autodetect filter to transform every E-Mail-Address on your page automatically into an image!
<h3>Plugin Features</h3>
<ul>
<li>Protects Email Adresses, Telephone Numbers or any other content</li>
<li>Fully customizable appearance: you can configure font-family, font-size and font-color – everything looks like your theme style</li>
<li>Retina/HD/High-Dpi Images – best appearance on all devices (2x, 3x or 4x resolution enhancement)</li>
<li>Shortcode and/or Autodetection usage!</li>
<li>Build-In E-Mail-Address-Autodetection – all addresses on your page are protected automatically (if you want it – you can also just use shortcodes!)</li>
<li>Autodetection filters configurable for the_content, the_excerpt, comments, comments_excerpt, text-widget</li>
<li>Reversible Address-Autodetection Process – your content is modified as long as the plugin is activated</li>
<li>Postal-addresses, telephone-numbers, names and other sensitive information`s can be protected too</li>
<li>Protects E-Mail hyperlinks (mailto) by using javascript based key-shifting encryption/decryption with dynamic keys – but you can use images only</li>
<li>Suitable for high traffic sites – automated caching of dynamic generated images and CSS</li>
<li>Automatic font-search (standard system font-paths)</li>
<li>Supports the new modern UI style of WordPress 3.8</li>
<li>Native support for <a href="https://wordpress.org/plugins/enlighter/" rel="ugc">Enlighter Syntax Highlighter</a> to display E-Mail Addresses within highlighted content (requires Enlighter v2.7)</li>
<li>Includes the <a href="https://fedorahosted.org/liberation-fonts/" rel="nofollow ugc">Liberation(tm) Fonts</a> package</li>
<li>TrueType as well as OpenType Fonts are supported</li>
</ul>
<h3>Text-Transformations</h3>
The @-sign as well as dot’s within the e-mail-addresses can be automatically replaced by different placeholders, e.g. <code>mail(at)example{dot}org</code>, to match your website’s corporate design.
<h3>Security Modes</h3>
Cryptex provides various obfuscation modes for E-Mail-Addresses:
<ul>
<li>Plain Text – only text-transformations are applied – no use of images</li>
<li>Single Image – the e-mail-address is expressed as a single image </li>
<li>Multipart Image – the e-mail-address is splitted into two images, seperated by the @-sign in plain text</li>
<li>Advanced Multipart Image – the craziest one: each part (divided by dot’s and @ sign) is displayed as a seperate image, the dividers as plain text</li>
</ul>

Cryptex | E-Mail Address Protection

Cryptex transforms plain-text E-Mail-Addresses into Images - automatically - No scrapers. No harvesters. No spambots. That's our goal!

Simple Noarchive vs Cryptex | E-Mail Address Protection