doublesharp

<h4>Validated Field Add-On</h4>
<p>The <strong>Validated Field</strong> add-on for <a href="https://wordpress.org/extend/plugins/advanced-custom-fields/" rel="ugc">Advanced Custom Fields</a><br />
provides a wrapper for other input types which allows you to provide client side input masking using the jQuery<br />
<a href="http://digitalbush.com/projects/masked-input-plugin/" rel="nofollow ugc">Masked Input Plugin</a>, server side validation using either PHP regular expressions<br />
or PHP code, the option of ensuring a field’s uniqueness for all posts by <code>post_type</code> and <code>meta_key</code>, <code>post_type</code>, or site wide, or a<br />
single post by meta_key, as well as marking a field as read-only. Edit your fields in the ACF Field Group editor and update code using the ACE.js<br />
IDE with autocomplete and syntax validation.</p>
<h4>Features</h4>
<ol>
<li><strong>Input Masking</strong> – easily set masks on text inputs to ensure data is properly formatted.</li>
<li><strong>Server-Side Validation</strong> – validate the inputs using server side PHP code or regular expressions.</li>
<li><strong>Uniqueness</strong> – ensure that the value being updated is not already in use.</li>
<li><strong>Repeater Fields</strong> – validated fields within a <a href="http://www.advancedcustomfields.com/add-ons/repeater-field/" rel="nofollow ugc">Repeater Field</a>.</li>
<li><strong>Read Only</strong> – specify a field as read-only allowing it to be displayed but not updated.</li>
<li><strong>WordPress Multi Language</strong> – compatible with multilingual sites using the WPML plugin.</li>
<li><strong>Conditional Logic</strong> – show and hide validated fields based on the values of other “switch” fields.</li>
</ol>
<h4>Compatibility</h4>
<p>Requires <a href="https://wordpress.org/extend/plugins/advanced-custom-fields/" rel="ugc">Advanced Custom Fields</a> version 4.0 or greater.</p>


Advanced Custom Fields: Validated Field

Adding my one star to inform people that this plugin is no longer working

Doesn't work in ACF Pro 5.6.2

The Validated Field add-on for Advanced Custom Fields provides input masking and server-side validation of other field types.

ValidBot

<p>ValidBot is a website validation tool that combines many different tests into one comprehensive audit.  Make sure that your website is following best practices and is safe, secure, fast and effective. There are over 100 individual tests with plans to add more in the near future. Test your domain registration, DNS records, SSL, lighthouse tests, server response headers, meta tags, email authentication (SPF, DKIM, DMARC), Favicons, robots.txt file and more.</p>
<p>ValidBot can proactively monitor your website and notify you if any of our tests start failing. If your domain name or SSL are about to expire, we’ll let you know before it’s too late. If your site starts loading slowly or if a DNS record gets misconfigured, you can get notified.</p>
<h4>Features</h4>
<ul>
<li>If your server settings are misconfigured, your website may be broken for a segment of your users. It may be subtle, but it makes a difference. Learn how to fix this.</li>
<li>If your website isn’t optimized, it may load slowly. Slow pages annoy users and cause them to abandon your site. Learn how to speed up your site.</li>
<li>If your email settings are incorrect, your newsletters may suffer from deliverability issues. Learn how to improve this and reach your entire audience.</li>
<li>If your icons, server files or meta tags are set incorrectly, your website may not appear correctly in search engines and social media. Learn how to improve your SEO and get a wider reach.</li>
</ul>
<h4>Usage</h4>
<p>Once you install this plugin, a new menu item will appear in the left toolbar of your WordPress admin console. From here you can setup your account and run your first report.  View the results of your report directly in your WordPress admin console and learn about improvements that you can make.</p>
<h4>Privacy</h4>
<p>This plugin does not:<br />
– collect any of your user’s information<br />
– set any cookies</p>


ValidBot – Validate Your Website

Validate a website to ensure it follows best practices for security, performance and effectiveness.

Advanced Custom Fields: Validated Field vs ValidBot – Validate Your Website