After that, you need to make it a routine to review and approve comments on your website.

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For more details, check out our guide to moderating comments in WordPress and these tips for combating comment spam in WordPress .

19. Images not optimized for the web
Compress images
Images are essential for creating an attractive website. However, they also have a larger file size than plain text.

Adding images to your website without optimizing them will affect the speed of your website.

You need to make it a habit to save your images so that they are optimized for the web. You can use Photoshop, GIMP (free) or other online tools to reduce the image file size before uploading.

For instructions, see our guide to saving images optimized for the web .

20. Store unnecessary code in the theme's functions file
Code snippets
Another common mistake we come across is adding too list of armenia cell phone number many code snippets in the theme’s functions.php file .

The Functions file is designed to behave like a plugin, but it's not the ideal place for all kinds of code snippets. Moreover, these changes will be lost if you change the theme. You may even forget that you added code there after a while. Moreover, even the smallest mistake can break your website.

We recommend that you only edit your theme's functions file if you are comfortable with code and the code is related to modifying a specific theme.

To add custom code, it is better to use a code snippets plugin . We recommend using WPCode , it is the safest and easiest way to add code snippets in WordPress. There is also a free version of WPCode to get you started.