How to Add Keywords in WordPress [without plugins]
To add keywords in WordPress, first copy the code from step one into the functions.php file, then go to each post and create a new custom field named "keywords" and enter your keywords in it.
Wordpress tutorials
How To Add Live Ajax Search In WordPress [without plugins]
To add live Ajax search in WordPress, first copy the code from step one into the functions.php file, then go to the desired page and add an Ajax search to the page with the [asearch] shortcode.
How to add meta description in WordPress [without plugins]
To add meta description in Wordpress, first add the code in step 1 to the functions.php file. Now the excerpt text of your articles will be placed in the head of the site as a meta description.
Add Contact Form in WordPress without plugins [free]
To add a contact form in Wordpress, first go to the functions.php file and copy the form processor code from step one into it. Then go to the contact page you created and paste the HTML code of the form from step two in a custom HTML block and publish the page.
How to add PHP code in WordPress [without plugins]
To add PHP code in WordPress, first create a child theme, then go to the functions.php file and paste your code in it, use guide below to insert PHP code in Wordpress for Only Specific Pages.
How to add preloader in WordPress [without plugins]
To add a preloader in Wordpress, first copy the code of the second step in the functions.php file, then replace the link of your desired animation loader with the default loader and enter the duration of the loader display, and save the file.
How to change wp-admin URL [Without Plugins]
To change the wp-admin URL, first rename the "wp-login.php" file, then edit the "wp-login.php" file and replace "wp-login.php" with the new login name and save the file.
How to create Custom login page in WordPress without plugin [fast and easy]
To to create Custom login page in WordPress, first copy one of the following three templates in the functions.php file. Then replace the default background image and the logo with your own and save the file.
Limit login attempts in WordPress without plugin
To limit login attempts in WordPress, first copy the code from step 1 in the functions.php file. Then specify in the code that the user will be blocked after entering the wrong password several times, then save the file.