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jandc/css-from-html-extractor
=============================

Php library which determines which css is used from html snippets.

1.2.0(7y ago)1030.2k↓18.2%21ISCPHPPHP ^5.5 || ^7CI failing

Since Oct 27Pushed 6y ago4 watchersCompare

[ Source](https://github.com/JanDC/css-from-html-extractor)[ Packagist](https://packagist.org/packages/jandc/css-from-html-extractor)[ Docs](https://github.com/JanDC/css-from-html-extractor)[ RSS](/packages/jandc-css-from-html-extractor/feed)WikiDiscussions master Synced yesterday

READMEChangelog (6)Dependencies (3)Versions (27)Used By (1)

CSS from HTML extractor
=======================

[](#css-from-html-extractor)

Php library which determines which css is used from html snippets. It is used in jandc/critical-css to automatically and dynamically determine critical css on a per page basis.

### Installation

[](#installation)

`composer require jandc/css-from-html-extractor`

### Usage

[](#usage)

#### With Twig

[](#with-twig)

###### Register Extension

[](#register-extension)

```
use CSSFromHTMLExtractor\Twig\Extension as ExtractorExtension;

$extension = new ExtractorExtension()
$extension->addBaseRules('path/to/css');

/** @var Twig_Environment $twig */
$twig->addExtension($extension);
```

###### Mark the regions of your templates with the provided blocks

[](#mark-the-regions-of-your-templates-with-the-provided-blocks)

```
{% fold %}

...

{% endfold %}
```

###### Retrieve the resulting css from the extension

[](#retrieve-the-resulting-css-from-the-extension)

```
$extension = $twigEnvironment->getExtension(ExtractorExtension::class);
$extension->buildCriticalCssFromSnippets();
```

#### Handling raw HTML

[](#handling-raw-html)

```
$cssFromHTMLExtractor = new CssFromHTMLExtractor();
$cssFromHTMLExtractor->addBaseRules('path/to/css');
$cssFromHTMLExtractor->addHtmlToStore($rawHtml);
$extractedCss = $cssFromHTMLExtractor->buildExtractedRuleSet();
```

###  Health Score

38

—

LowBetter than 83% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity35

Limited adoption so far

Community17

Small or concentrated contributor base

Maturity68

Established project with proven stability

 Bus Factor1

Top contributor holds 77.4% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~48 days

Recently: every ~153 days

Total

24

Last Release

2430d ago

Major Versions

0.3.3 → 1.02017-10-20

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/3265146?v=4)[Jan Decavele](/maintainers/jandc)[@JanDC](https://github.com/JanDC)

---

Top Contributors

[![JanDC](https://avatars.githubusercontent.com/u/3265146?v=4)](https://github.com/JanDC "JanDC (41 commits)")[![tvlooy](https://avatars.githubusercontent.com/u/391674?v=4)](https://github.com/tvlooy "tvlooy (9 commits)")[![gijsroge](https://avatars.githubusercontent.com/u/2242498?v=4)](https://github.com/gijsroge "gijsroge (2 commits)")[![krzysztof-pyrzyk-ah](https://avatars.githubusercontent.com/u/27217899?v=4)](https://github.com/krzysztof-pyrzyk-ah "krzysztof-pyrzyk-ah (1 commits)")

---

Tags

csshtml-extractorphp-library

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