WebP has much less size than PNG, JPG and other formats.

Google purchased WebP from On2 Technologies. Read more at Wikipedia: https://en.wikipedia.org/wiki/WebP.

How to convert png or jpg to WebP.

There are two different options:

1. You can upload and convert png or jpg at online file converter:
   • Convertio (https://convertio.co)
   • Zamzar (https://www.zamzar.com/)
2. Download Google WebP Converter at: https://developers.google.com/speed/webp
   • The plugin to Adobe Photoshop (Read how to load the plugin: https://helpx.adobe.com/photoshop/kb/plug-ins-photoshop-troubleshooting.html)

Option 1 has limited files then else you have to purchase for extra files.

Option 2 have to get Adobe Photoshop and faster to convert many images to webp but it is not free for get Adobe Photoshop.

If you want to support WebP at WordPress then you have to choose two options:

1. Any web hostings have support lossless compression to WebP. For example SiteGround has own WordPress Plugin as called SG Optimizer (https://www.siteground.com/tutorials/wordpress/sg-optimizer/ or https://wordpress.org/plugins/sg-cachepress/)
2. You can also choose other options to download WordPress plugin if your web hosting haven’t support WebP:
   • Cache Enabler – WordPress Cache (https://wordpress.org/plugins/cache-enabler/)
   • Imagify (https://wordpress.org/plugins/imagify/)
   • Read more at How to Use WebP Images on WordPress (And Shrink Image File Sizes up to 35%)

Don’t forget to insert code to wp-config.php:

define('ALLOW_UNFILTERED_UPLOADS', true);

20-20-20 Vision is important for your health at office or homework because it is preventing your eyestrain.

20-20-20 Vision means that you take pause 20 second from monitor, go around 20 minutes outside or getting air at windows from the office or homework and 20-30 inc (50,8 cm – 76.2 cm).

Color temperature is important to use for monitor then let you know how to use night mode at:

Windows 10

Set your display for night time in Windows 10

Mac

How to use Dark Mode on your Mac

Google Chrome at Android, computer and iPhone/iPad

Browse in Dark mode or Dark theme

Dark mode theme at Firefox

Smartphone

Android

• Open the Settings app
• Click “Display,” then toggle “Dark theme” on

iOS

Dark Mode in iOS 13:

• Tap on the Settings app
• Scroll down and tap on “Display & Brightness”
• Select “Dark Mode”

Read more at

Eyestrain – Diagnosis and treatment – Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/eyestrain/diagnosis-treatment/drc-20372403

10 ways to address eye fatigue caused by displays
https://www.eizoglobal.com/library/basics/10_ways_to_address_eye_fatigue/