SegWitz Sdn Bhd

Admin can enter course certificate codes , and details in the panel and user can verify their certificate using the course code in the front end.
<ol>
<li>To install the SegWitz Course Certificate Verification plugin click “Download” or download the plugin from this GitHub repo. 
– To install the plugin after downloading it via GitHub, navigate to Plugins → Add New → Upload Plugin and upload the segwitz course certificate verification.zip file.</li>
<li>Once you’ve installed the plugin, activate it through the WordPress plugin panel.</li>
<li>Please navigate to the Certificate Codes menu inside of your WordPress admin panel after activating, and enter the information of the certificate.</li>
<li>After you’re done, copy and paste this shortcode: [get_certificate_search_form] in the page you want to display the search bar of the codes.</li>
<li>Once the shortcode has been pasted, you can now go to the page and try searching the certificate information by inserting the code and hit search.</li>
<li>You are done ! Everything has been successfully integrate … !</li>
</ol>

Certificate Verification

Admin can enter course certificate codes , and details in the panel and user can verify their certificate using the course code in the front end.

neoslab

Simple HTTPS automatically detects if your website run properly over HTTPS and fix your website accordingly without any extra useless line of code. Your website will move to SSL within few clicks. This plugin also allow you to enable HTTP Strict Transport Security for your website.
<h3>License</h3>
Good news, this plugin is free for everyone! Since it’s released under the GPL, you can use it free of charge on your personal or commercial site.

Simple HTTPS

Correct your SSL/HTTPS issue within few clicks and enable HTTP Strict Transport Security for your website.

Certificate Verification vs Simple HTTPS