Freemius

Age Verification Screen for WooCommerce lets you restrict your website or particular pages of it using the age-restriction screen. Easily install and configure pop-up look and texts via customizer tool.
<h4>Major plugin features</h4>
<ul>
<li>Modal window or full-page pop-up to ask your users to verify their age when the page loads.</li>
<li>Show the age restriction pop-up only on those pages where you need it. You can choose what pages, products, categories, or any other post types or taxonomies would be age-restricted.</li>
<li>Select the minimum allowed age for your website.</li>
<li>Multiple ways to check user age. You can choose between two methods of age verification – a simple checkbox or confirm\cancel buttons.</li>
<li>Set up the look and feel of restriction pop-up via live customizer. Select background color or image, blur opacity, text color, etc.</li>
<li>All texts are editable through the customizer. You are able to edit the heading, description, texts on buttons, etc.</li>
<li>Redirect users on failure. Here you can find two default options – get the user to the previous page or any other page of your site (e.g., page w/ your age policy).</li>
<li>Accepts your theme styling by default. No need to work hard on pop-up styling; it fits your website style perfectly right off the bat.</li>
<li>Manage cookie lifetime. Age verification pop-up should not appear once more for those who previously passed the confirmation within XX days (established by you).</li>
</ul>
<h4>Additional features</h4>
<ul>
<li>An additional method to check the age. One more way to prevent users’ age is the date of birth picker.</li>
<li>Redirect to external URL. If the user doesn’t reach the minimum required age, you can redirect him to the external website instead of your internal page.</li>
<li>Age-restriction for custom taxonomies and custom post types. In case you need to restrict particular custom taxonomies or post types instead of regular ones (like product categories, products, pages, etc).</li>
<li>Assistance from plugin developers first hand.</li>
</ul>

Age Verification Screen for WooCommerce

Easily add a customizable age verification screen to your store.

DesignSmoke

Responsive Age Verification is designed to be SEO-friendly, and requires users to confirm their age, or acceptance of terms on your website or woocommerce store. All of the text and colors are customizable! 
This plugin is absolutely, 100% free and open-source (GPLv2).
How to Use 
Simply install the plugin, and it’s ready to go! You can customize the text in Settings->Age Verification Settings
Need help? 
You can get help or leave feature requests on the support page or send us an email: plugins (at) designsmoke.com 
<a href="https://wordpress.org/support/plugin/responsive-age-verification/">Report a Bug</a>
Features 
– Age verification that works on mobile and desktop, and supports nearly all devices. 
– Designed to have as minimal of an SEO impact as possible. 
– It’s customizable; you can require verficiation or acceptance of nearly anything. 
– Easy for developers to modify. You can make most customizations only using CSS. 
– Open-Source and completely free! This plugin <a href="http://www.gnu.org/licenses/gpl-2.0.html" rel="nofollow ugc">is GPL licensed</a>. 
– Supports nearly all distillery, vineyard, vaporizer, and cannabis dispensary themes
<a href="https://www.designsmoke.com/responsive-seo-age-verification-for-wordpress/" rel="nofollow ugc">Responsive Age Verification Plugin for WordPress, Designsmoke</a>
Also, try out <a href="https://wordpress.org/plugins/anti-spam-zapper/">Anti-Spam Zapper, a free plugin to block spam comments</a>
Customizations 
— Background Image (CSS) — 
 `div#age-verification { 
 background-image: url(‘/wp-content/uploads/your-image.jpg’); 
 background-size: cover; 
 background-position: center center; 
}“`
— Rounded Box (CSS) — 
 `.age-verification-main { 
 border-radius:10px; 
}“`
— Box Border (CSS) — 
 `.age-verification-main { 
 border: 3px solid #ffffff; 
}“`
— Company Logo (CSS) — 
 `.age-verification-main span.age-title::before { 
 content: ‘ ‘; 
 display: block; 
 width: 150px; 
 height: 65px; 
 background-image: url(‘/wp-content/uploads/your-logo.jpg’); 
 background-size: contain; 
 background-position: center center; 
 background-repeat: no-repeat; 
 margin: 0 auto 5px auto; 
}“`
Updates 
— 1.4.0 (March 16, 2022) — 
Fixed popup on mobile getting cut off on certain Apple devices (iPhone)
— 1.3.0 (May 16, 2019) — 
Allows you to set the duration before the user needs to verify their age again.
— 1.2.0 (May 9, 2019) — 
Enhanced text visibility on popup for lighter colors (text-shadow). Added preview button. Updated rating and plugin text on admin page.
— 1.1.0 — 
Fixed color picker not showing on latest WordPress version. Added information on adding custom images and theming support. Added rating notification.
— 1.0.6 — 
Fixed settings sometimes not saving. Fixed age verification taking too long to show up.

WordPress Responsive Age Verification

Responsive Age Verification is designed to be SEO-friendly, and requires users to confirm their age, or acceptance of terms on your website or woocomm …

Age Verification Screen for WooCommerce vs WordPress Responsive Age Verification