Styles are separated into two categories:
It must be loaded before main page content to provide correct page rendering.
It can be loaded after the main page content.
In most cases, all styles are critical as you can see by default settings. But sometimes particular styles should be tuned individually.
- Optimize loading
Optimizing by inlining according to sub-options. Due to most styles are critical inlining increases page speed by decreasing request count to our server.
- Inline as source
Insert style’s body into ‘src’ attribute instead of change it to ‘style’ tag.
- Group critical, group non-critical
Grouping increases page speed by decreasing server request count but not all styles are compatible with such operation. If non-critical auto mode is active then critical grouping is always safe.
- Separate imports
Extract and process styles that included in other styles by the
Optimizes CSS code to have a smaller size.
- Optimize loading
Just adds CSS ‘font-display: swap’ attribute to fonts that postpones their loading and increase page content loading speed.
- Include to critical styles
On some sites browser might incorrect render postponed fonts that declared in separate CSS file. It can be fixed by enabling this option.
Non-critical styles part will be automatically separated from critical ones. Also, specified CSS selectors can be excluded to be part of critical styles.
Includes all inline styles.
Includes all internal (self-hosted, hosted on our site) styles.
Includes all external (hosted on the other sites) styles.
Styles with URLs, IDs, or bodies matching the specified regular expressions will be treated as critical.
- Include only
Only styles with URLs, IDs, or bodies matching the specified regular expressions will be treated as non-critical.
Styles with URLs, IDs, or bodies matching the specified regular expressions will not be loaded.
On some sites layout is depended on scripts. So when scripts loading are delayed, then there may be necessary to adjust layout. It’s a section for defining various styles to correct layout loading before main scripts loading. There are some already predefined elements related to particular site components, that can be used as a samples.
It’s a list of styles that will be added to the site by defined order. Each item has next options:
It allows to disable item instead of deleting it.
- Optional description to identify
Allows to recognize the goal of specified styles. E.g. what particular problem it solves.
- Style code
The style code. Special body’s class can be used in selectors to control styles’ scope:
This class is removed from
bodytag when non-critical scripts has been loaded. So, it allows to apply styles only in loading period.
This class is added to the
bodytag when views are active. So, it allows to apply styles only in particular view, e.g. on mobiles only. XXX can be
cmn(means common view, desktop) or particular slug like
mobilefrom the defined views.