🔠 Webfont Dowload Vite plugin ⚡

Collects webfont links, imports and definitions from your Vite project, downloads css and font files (privacy-first), add the fonts to your bundle (or serves through dev server), and injects font definitions using a non-render blocking method, meanwhile stores external css and font files in a persistent file cache, making them available for offline development.

📦 Install

npm i vite-plugin-webfont-dl -D

📖 Table of Contents

📦 Install
Usage:
- 😎 Zero config _{^{[method A]}}
- 🦄 Simple config _{^{[method B]}}
🚀 That's all!
- 🔌 Laravel
- 📸 Screenshot
🧩 Supported webfont providers
🛠️ Options
❓ Third-party webfonts
🔮 How it works
- 📉 Google Fonts
- 📈 Webfont-DL Vite plugin
📊 Benchmark
📚 Resources
📄 License

😎 Usage: Zero config _{^{[method A]}}

Extracts, downloads and injects fonts from the original Google Fonts code snippet.

Select your font families in your webfont provider (e.g. Google Fonts) and copy the code into <head> from the "Use on the web" block:

<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400&family=Roboto:wght@100&display=swap" rel="stylesheet">

Add webfontDownload to your Vite plugins without any configuration and the plugin automagically will take care of everything:

// vite.config.js

import webfontDownload from 'vite-plugin-webfont-dl';

export default {
  plugins: [
    webfontDownload(),
  ],
};

The original webfont tags will be replaced in dist/index.html:

<style>@font-face{font-family:...;src:url(/assets/foo-xxxxxxxx.woff2) format('woff2'),url(/assets/bar-yyyyyyyy.woff) format('woff')}...</style>

🦄 Usage: Simple config _{^{[method B]}}

Extracts, downloads and injects fonts from the configured webfont CSS URL(s).

Select your font families in your webfont provider (e.g. Google Fonts) and copy the CSS URL(s) from the "Use on the web" code block:
```
<link href="[CSS URL]" rel="stylesheet">
```

Add webfontDownload to your Vite plugins with the selected Google Fonts CSS URL(s):

// vite.config.js

import webfontDownload from 'vite-plugin-webfont-dl';

export default {
  plugins: [
    webfontDownload([
      'https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap',
      'https://fonts.googleapis.com/css2?family=Fira+Code&display=swap'
    ]),
  ],
};

🚀 That's all!

The webfonts are injected and ready to use.
The plugin does its job seamlessly whether you are working on local development server or building to production.

h1 {
  font-family: 'Press Start 2P', cursive;
}

h2 {
  font-family: 'Fira Code', monospace;
}

🔌 Laravel

To make it work with Laravel Vite Plugin add this line to your blade file:

@vite('webfonts.css')

📸 Screenshot

🧩 Supported webfont providers

Google Fonts: works with Zero config or Simple config
Bunny Fonts: works with Zero config or Simple config
Fontshare: works with Zero config or Simple config
Fira Code, Hack fonts (cdn.jsdelivr.net): works with Zero config or Simple config
Inter font (rsms.me): works with Zero config or Simple config
any provider with CSS (containing @font-face definitions) works with Simple config

🛠️ Options

injectAsStyleTag (boolean, default: true):
Inject webfonts as <style> tag (embedded CSS) or as an external .css file
minifyCss (boolean, default: value of build.minify):
Minify CSS code during build.
embedFonts (boolean, default: false):
Embed base64-encoded fonts into css.
async (boolean, default: true):
Prevent the usage of inline event handlers (webfonts.css) that can cause Content Security Policy issues.
Works only with injectAsStyleTag:false.
cache (boolean, default: true):
Persistently store downloaded css and font files in local file cache.
If set to false the existing cache will be deleted.
proxy (false|AxiosProxyConfig, default: false):
Proxy configuration for network requests.

usage:

ViteWebfontDownload(
  [],
  {
    injectAsStyleTag: true,
    minifyCss: true,
    async: true,
    cache: true,
    proxy: false,
  }
)

or:

ViteWebfontDownload(
  [
    'https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap',
  ],
  {
    injectAsStyleTag: true,
    minifyCss: true,
    async: true,
    cache: true,
    proxy: false,
  }
)

❓ Third-party webfonts

⚠️ Using the standard method to add third-party webfonts (Google Fonts, Bunny Fonts or Fontshare) to a webpage can slow down page load significantly. Lighthouse and PageSpeed Insights calls them "render-blocking resource", which means the page can't render fully until the webfonts CSS hasn't been fetched from the remote server.

📈 By avoiding render-blocking resources caused by third-party webfonts, you can boost page performance which leads to better user-experience and it improves SEO results.

⚙️ The plugin downloads the given fonts from the third-party webfont service (like Google Fonts) and dynamically injects them (as an internal or external stylesheet) into your Vite project, transforming the third-party webfonts into self-hosted ones. 🤩

🔐 In addition to the significant performance increase, your visitors will also benefit to privacy protection, since there is no third-party server involved.

🔮 How it works

📉 Google Fonts

Google Fonts generates the following code which you have to inject into your website's <head>, example:

<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Fira+Code&display=swap" rel="stylesheet">

📱 What happens on client-side with Google Fonts:

First line gives a hint to the browser to begin the connection handshake (DNS, TCP, TLS) with fonts.googleapis.com. This happens in the background to improve performance. [preconnect]
Second line is another preconnect hint to fonts.gstatic.com. [preconnect]
Third line instructs the browser to load and use a CSS stylesheet file from fonts.googleapis.com (with font-display:swap). [stylesheet]
The browser downloads the CSS file and starts to parse it. The parsed CSS is a set of @font-face definitions containing font URLs from fonts.gstatic.com server.
The browser starts to download the all relevant fonts from fonts.gstatic.com.
After the successful fonts download the browser swaps the fallback fonts to the downloaded ones.

🆚

📈 Webfont-DL Vite plugin

On the contrary, Webfont-DL plugin does most of the job at build time, leaves the minimum to the browser.

Webfont-DL plugin

collects the webfont CSS URLs (from plugin config, index.html and the generated CSS)
downloads the webfont CSS file(s)
extracts the font URLs
downloads the fonts
adds the fonts to the bundle
generates an embedded CSS (<style> tag) or a webfont / external CSS file
add them to the bundle and injects the following code into your website's <head> using a non-render blocking method, example:

<style>
  @font-face {
    font-family: 'Fira Code';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url(/assets/uU9eCBsR6Z2vfE9aq3bL0fxyUs4tcw4W_GNsJV37Nv7g.9c348768.woff2) format('woff2');
    unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
  }
  ...
</style>

or (using dev server or injectAsStyleTag: false option)

<link rel="preload" as="style" href="/assets/webfonts.b904bd45.css">
<link rel="stylesheet" media="print" onload="this.onload=null;this.removeAttribute('media');" href="/assets/webfonts.b904bd45.css">

📱 What happens on client-side with Webfont-DL plugin:

Load fonts from the embedded CSS (<style> tag).

or

First line instructs the browser to prefetch a CSS file for later use as stylesheet. [preload]
Second line instructs the browser to load and use that CSS file as a "print" stylesheet (non-render blocking). After loading it promote to "all" media type stylesheet (by removing the "media" attribute). [stylesheet]

📊 Benchmark

Starter Vite project with

▶️ Standard Google Fonts	🆚	▶️ Webfont DL Vite plugin
🔗 webfont.feat.agency		🔗 webfont-dl.feat.agency

📚 Resources

Page Speed Checklist / Fix & Eliminate Render Blocking Resources

Name		Name	Last commit message	Last commit date
Latest commit History 155 Commits
.github/workflows		.github/workflows
dist		dist
img		img
src		src
test		test
.editorconfig		.editorconfig
.gitignore		.gitignore
eslint.config.mjs		eslint.config.mjs
license.txt		license.txt
package-lock.json		package-lock.json
package.json		package.json
readme.md		readme.md
tsconfig.json		tsconfig.json
tsup.config.ts		tsup.config.ts
vitest.config.ts		vitest.config.ts

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Repository files navigation

🔠 Webfont Dowload Vite plugin ⚡

📦 Install

📖 Table of Contents

😎 Usage: Zero config _{^{[method A]}}

🦄 Usage: Simple config _{^{[method B]}}

🚀 That's all!

🔌 Laravel

📸 Screenshot

🧩 Supported webfont providers

🛠️ Options

❓ Third-party webfonts

🔮 How it works

📉 Google Fonts

🆚

📈 Webfont-DL Vite plugin

📊 Benchmark

📚 Resources

📄 License

About

Releases 44

Contributors 6

Languages

License

feat-agency/vite-plugin-webfont-dl

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Repository files navigation

🔠 Webfont Dowload Vite plugin ⚡

📦 Install

📖 Table of Contents

😎 Usage: Zero config [method A]

🦄 Usage: Simple config [method B]

🚀 That's all!

🔌 Laravel

📸 Screenshot

🧩 Supported webfont providers

🛠️ Options

❓ Third-party webfonts

🔮 How it works

📉 Google Fonts

🆚

📈 Webfont-DL Vite plugin

📊 Benchmark

📚 Resources

📄 License

About

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Resources

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Releases 44

Contributors 6

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😎 Usage: Zero config _{^{[method A]}}

🦄 Usage: Simple config _{^{[method B]}}