How do images work in WordPress?
When writing or editing a post, you can add an image using the Add Media button above the editor box. This opens a window that displays the multi-file uploader. From here you can drag and drop your picture or select it using the file selector. The images you add here will be automatically added to the Media Library.
Does WordPress automatically compress images?
By default, WordPress compresses your images for better performance. Every time you upload a JPEG image in WordPress, it would automatically compress the image to 90% quality. In WordPress 4.5, this number was further decreased to 82% to improve site performance for mobile users.
Do images slow down WordPress?
No matter which WordPress theme you’re using, your theme will only be able to display images up to a certain maximum width. That means that if you’re uploading images with dimensions beyond that max width, you’re slowing down your site in two ways: You’re making your images’ file sizes larger than they need to be.
What’s the best image size for WordPress?
Here are the best image sizes for WordPress:
- Blog post image size (1200 x 630 pixels)
- Header image size (banner size 1048 x 250 pixels)
- Featured image size (landscape 1200 x 900 pixels)
- Featured image size (portrait 900 x 1200 pixels)
- WordPress background image size (1920 x 1080 pixels)
How do I serve scaled images in WordPress?
Adjust image sizes in the Settings > Media screen Here you can change width and height for the thumbnail, medium, and large image sizes. WordPress will then automatically create scaled versions of each image using these sizes. You can choose which size you want to insert from the WordPress editor.
Can you change the size of an image in WordPress?
These sizes are defined in Settings » Media page. WordPress themes can also add their own image sizes to be used for thumbnails. If you activate such a theme, WordPress will start saving images in those new sizes as well. However, it will not recreate new sizes for older images.
How are images saved and saved in WordPress?
When you upload an image, WordPress automatically saves it into multiple sizes. These sizes are defined in Settings » Media page. WordPress themes can also add their own image sizes to be used for thumbnails. If you activate such a theme, WordPress will start saving images in those new sizes as well.
What does a featured image mean in WordPress?
A WordPress featured image, also known as a post thumbnail, can represent your posts, pages, or custom post types. Such images will most commonly accompany your posts when viewed from the archive or homepage of your website. It will also be visible when your posts are shared on other platforms.
How does WordPress detect a big image?
When a new image is uploaded, WordPress will detect if it is a “big” image by checking if its height or its width is above a big_image threshold. The default threshold value is 2560px, filterable with the new big_image_size_threshold filter.