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https://github.com/Automattic/page-optimize

WordPress plugin to optimize pages for faster load and render in the browser
https://github.com/Automattic/page-optimize

Last synced: 9 days ago
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WordPress plugin to optimize pages for faster load and render in the browser

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README 

        
=== Page Optimize ===

Contributors: aidvu, bjorsch, bpayton, rcrdortiz

Tags: performance

Requires at least: 5.3

Tested up to: 6.7

Requires PHP: 7.4

Stable tag: 0.5.6

License: GPLv2 or later

License URI: http://www.gnu.org/licenses/gpl-2.0.html



Optimize pages for faster load and render in the browser.



== Description ==



This plugin supports a few features that may improve the performance of page loading and rendering in the browser:



* Concatenate CSS

* Concatenate JavaScript

* Execution timing of non-critical scripts

    * Note: Changing script execution timing can be risky and will not work well for all sites.



== Installation ==



This plugin uses sensible defaults so it can operate without configuration, but there are a number of constants you may use for a custom configuration.



= PAGE_OPTIMIZE_CACHE_DIR =



Page Optimize caches concatenated scripts and styles by default, and this constant controls where the cache files are stored. The default directory is `cache/page_optimize` under your site's `wp-content` folder.



To change the cache location, set this constant to the absolute filesystem path of that location.



To disable caching, set this constant to `false`. Please note that disabling Page Optimize caching may negatively impact performance unless you are caching elsewhere.



= PAGE_OPTIMIZE_CSS_MINIFY =



Page Optimize has CSS Minification capabilities which are off by default.



If you're using caching, and not minifying CSS elsewhere, it is recommended to enable it by setting it to `true`.



== Testing ==



To test features without enabling them for the entire site, you may append query params to a WordPress post or page URL. For example, to test enabling JavaScript concatenation for `https://example.com/blog/`, you can use the URL `https://example.com/blog/?concat-js=1`.



Supported query params:



* `concat-css` controls CSS concatenation. Values: `1` for ON and `0` for OFF.

* `concat-js` controls JavaScript concatenation. Values: `1` for ON and `0` for OFF.

* `load-mode-js` controls how non-critical JavaScript are loaded. Values: 'defer' for [deferred](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-defer), 'async' for [async loading](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-async), any other value indicates the feature should be disabled.



== Changelog ==



= 0.5.6 =

* Update Tested Up To version.



= 0.5.5 =

* Fix: Stop skipping inline scripts when src is empty.



= 0.5.4 =

* Bail when editing pages or posts in the Editor. Increased the max concatenated file limit.



= 0.5.1 =

* Bail when editing pages in Brizy Editor (it errors when JavaScript load mode is `async`).



= 0.5.0 =

* Apply the `script_loader_tag` filter for scripts that are concatenate-able but have no neighbors to concatenate with. This fixes a case where the TwentyTwenty theme wanted to apply a `defer` attribute to its script but was never given the opportunity.



= 0.4.5, 0.4.6 =

* Force absolute paths for CSS replacements.

* Lower required PHP version to 7.0.



= 0.4.4 =

* Don't queue the cache cleaning WP Cron job if we aren't caching.

* Cleanup cache if we turned caching off or directory changed.



= 0.4.3 =

* gzip in PHP slows stuff down a bit. Simply don't do this. Any web server can handle this better.

* also remove the output buffering, no need for that anymore

* CSS Minification can sometimes slow things down significantly. Add constant to enable/disable.



= 0.4.2 =

* Initial release. No changes yet. :)