How to Fix Common SSL Issues in WordPress

SSLcan make a website more secure, but many website owners may encounter unexpected problems when migrating their WordPress website to SSL or adding an SSL certificate to an existing website.

Over the years.Our TeamIn the process of helping people fix problems with their WordPress sites, many SSL-related issues have been resolved, ranging from mixed content warnings to login problems. This guide will show how to fix the most common SSL issues in WordPress.

What is SSL/HTTPS and why do I need to use it immediately?

SSL (Secure Sockets Layer) is acryptography, which creates a secure connection between the user's browser and the WordPress hosting server. Once SSL is enabled, the site will switch from HTTP to HTTPS and will also see a security lock icon in the browser indicating that the site is secure.

Benefits of using SSL/HTTPS:

1. Improved security: SSL/HTTPS makes it more difficult for hackers to listen in on connections, and each SSL-enabled site receives a unique SSL certificate for authentication purposes.

2. Improving user trust: Google Chrome will mark websites without SSL certificates as "insecurity", which may leave a bad impression on users.

3.Support online payment: Payment services such as PayPal, Stripe, etc. require SSL/HTTPS to be enabled to function properly.

Therefore, all WordPress sites should switch to SSL/HTTPS.

Fixing NET::ERR_CERT_INVALID errors

NET::ERR_CERT_INVALID error message in Google Chrome. Other browsers display a slightly different message, but it basically warns users that their connection to the site is not secure.

This SSL error message indicates that the user's Web browser does not accept the certificate provided by the Web site. This can happen for a number of reasons:

• SSL certificates are issued for different domains or subdomains.
• The certificate has expired.
• The browser does not recognize the Certificate Authority.

If you purchased an SSL certificate you can ask your server provider to install it for you, and you can contact them to fix it for you.

Fixing Mixed Content Errors After Migrating to SSL/HTTPS

Mixed content errors are caused by sources that are still loaded using insecure HTTP protocols in the URL. These sources may include resources such as images, scripts, or style sheets.

If this is the case, then it will not be possible to see the security padlock in the address bar of the website or the "adapt"Icons.

There are two ways to fix SSL/HTTPS mixed content errors in WordPress. We'll show both methods and you can choose the one that works best for you.

1. Fixing Mixed Content Errors in WordPress with Plugins

This method is relatively simple and is recommended for novices. However, it may have a negative effect on theWordPress PerformanceNegative impact because the plugin will try to use output buffering techniques to fix mixed content errors.

However, if the caching plugin is used, then it will only affect the homepage loading. Returning visitors will not notice any difference in performance.

First, make sure you have an SSL certificate.

Then, simply install and activate the Really Simple SSL plugin.

Once activated, accessed from the WordPress admin dashboard"Settings" ""SSL""page to view plugin settings.Really Simple SSL works out of the box to automate website SSL/HTTPS settings and fix mixed content errors.

2. Manually fixing mixed content errors in WordPress

This method is more effective and better for website performance. However, it requires manual troubleshooting.

First, it's time to switch toSetting "Generaland ensure that "WordPress Address"and"site address" option has an HTTPS URL.

If you see that the URL starts with "http", you need to change it to "https". Remember to click on the "Save Changes" button to save the settings.

Next, find the old HTTP URL in your WordPress database and replace it with the new HTTPS URL.

This can be done by installing and activating the "Search & Replace Everything" plugin easily accomplishes this.

After activation, visit"Tools" ""WP Search and Replace""Page. In the "look for sth.In the "" field, you need to add the website URL using HTTP. after that, in the "interchangeability"The use of "https"Adding a Website URL.

Next, click on "Preview Search and Replace" button to see which URLs will be replaced, then press the "Replace all" button to continue. The plugin will now update the URL in the WordPress database.

If you are still seeing mixed content errors, then the next step is to troubleshoot URL failures in WordPress theme and plugin files.

Use your browser's inspection tool to find the resources that are causing the error and make a note of which website file they were loaded from.

If you have experience editing WordPress files, then you can use theFTPmaybecontrol panelFile Manager to access these theme files. To edit each file and replace "http" with "https".

Another way is to contact the theme developer and ask them to update the theme. the same goes for mixed content loaded by WordPress plugins. We don't recommend editing the plugin files yourself, you should open a work order to notify the plugin developer for support. In the meantime, you can disable the plugin on your website or find a replacement plugin.

Fix excessive redirection errors after migrating to SSL/HTTPS

By entering the following line of code in the wp-config.php file, WordPress allows to enforce SSL / HTTPS for the admin area:

define('FORCE_SSL_ADMIN', true).

In some cases, this setting alone may cause the "Too many redirects"Error.

To fix this, add the following code to the wp-config.php fileIn the middle of the "That's all, stop editing! Happy blogging!." This line of code precedes:

define('FORCE_SSL_ADMIN', true);
// in some setups HTTP_X_FORWARDED_PROTO might contain
// a comma-separated list e.g. http,https
// so check for https existence
if (strpos($_SERVER['HTTP_X_FORWARDED_PROTO'], 'https') ! == false)
       $_SERVER['HTTPS']='on';

Fix WordPress HTTP to HTTPS redirection

WordPress does not automatically redirect HTTP requests to HTTPS unless you click on it manually. If a plugin like Really Simple SSL is used, then it will take care of the redirection. Otherwise, you have to set up the redirection manually.

To redirect HTTP to HTTPS, add the following code to the .htaccess file:

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(. *)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
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