Tips for loading Google fonts quickly using Font Face Observer

Question

Tips for loading Google fonts quickly using Font Face Observer

Upon reading an enlightening article on the optimal methods for serving web fonts, I was eager to employ the innovative javascript library known as Font Face Observer to asynchronously load Google fonts on my website.

The documentation states that "fonts can be supplied by [...] a font service such as Google Fonts", yet fails to provide concrete examples of how to implement this. Despite having reviewed the suggested resources on Font Face Observer's official website, all demonstrations only covered using self-hosted fonts.

Has anyone successfully utilized Font Face Observer to load Google fonts? Alternatively, could you direct me to any documentation illustrating how to tackle this task?

javascript css fonts webfonts google-webfonts

Answer 1

Answer №1

Utilizing a similar method has enabled me to implement lazy-loading of fonts. It is important to ensure that your Google font is included in the stylesheet link. Once done, simply utilize FontFaceObserver in the usual manner - passing the Google font name as an argument to create a new FontFaceObserver instance. For managing my Google fonts, I found a useful tool called google-fonts.

This is what a code sample might appear like:

import googleFonts from 'google-fonts';
import FontFaceObserver from 'fontfaceobserver';

loadGoogleFont(fontName) {
    googleFonts.add({[fontName]: true}); // or other options if needed
    const fontObserver = new FontFaceObserver(fontName);
    return fontObserver.load()
        .catch(err => console.log(fontName, err));
}

Answer 2

Utilizing a similar method has enabled me to implement lazy-loading of fonts. It is important to ensure that your Google font is included in the stylesheet link. Once done, simply utilize FontFaceObserver in the usual manner - passing the Google font name as an argument to create a new FontFaceObserver instance. For managing my Google fonts, I found a useful tool called google-fonts.

This is what a code sample might appear like:

import googleFonts from 'google-fonts';
import FontFaceObserver from 'fontfaceobserver';

loadGoogleFont(fontName) {
    googleFonts.add({[fontName]: true}); // or other options if needed
    const fontObserver = new FontFaceObserver(fontName);
    return fontObserver.load()
        .catch(err => console.log(fontName, err));
}

Answer 3

Answer №2

Here is a straightforward method I have utilized, although its efficiency is still uncertain. This particular approach is advantageous because the font loading process does not hinder rendering due to having the script located in my JavaScript file towards the end. Essentially, the font begins loading as soon as my JS file starts parsing, allowing it to be rendered promptly upon completion.

import FontFaceObserver from 'fontfaceobserver'
import loadCSS from './util/loadCSS'

loadCSS('//fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700')
const opensans = new FontFaceObserver('Open Sans')
opensans.load().then(() => document.body.classList.add('fonts--loaded'))

Answer 4

Here is a straightforward method I have utilized, although its efficiency is still uncertain. This particular approach is advantageous because the font loading process does not hinder rendering due to having the script located in my JavaScript file towards the end. Essentially, the font begins loading as soon as my JS file starts parsing, allowing it to be rendered promptly upon completion.

import FontFaceObserver from 'fontfaceobserver'
import loadCSS from './util/loadCSS'

loadCSS('//fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700')
const opensans = new FontFaceObserver('Open Sans')
opensans.load().then(() => document.body.classList.add('fonts--loaded'))

Tips for loading Google fonts quickly using Font Face Observer

Answer №1

Answer №2

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