You always want to have a fallback font in case the third party web font host is down or the visitor is using an older browser. Generally speaking you want to keep HTTP requests to a minimum. This also adds extra HTTP requests to external resources. Typekit had an outage just this last month. If you are using a third party such as Google or Typekit, then you also have no control if their services go down. The biggest disadvantage of using web fonts is that it instantly affects the overall rendering speed of your pages. Ilya Grigorik, Web Performance Engineer at Google Disadvantages of web fonts Webfonts are critical to good design, UX, and performance. Other advantages of using web fonts are design, readability, and accessibility. Web Fonts are scalable, zoomable, and high-DPI friendly, meaning they can be easily shown across desktops, tablet, and mobile phones no matter what the resolution. One of the biggest reasons that companies use web fonts is so that they can achieve consistent branding across different mediums. There are many advantages to using web fonts. Source: W3Schools Advantages of web fonts Here is a list of browser support for TTF, WOFF, WOFF2, and EOT. This does, however, require more resources. If you are wanting to provide a certain font to all of the browsers you would need to include TTF, WOFF, WOFF2 and EOT. So the best recommendation would be to provide WOFF and WOFF2 (take advantage of extra compression) to all of the modern browsers and then fallback to a web safe font, such as Arial for the rest, which we will cover more about below.įor Intel's ClearSans, WOFF2 saves 25% in file size over WOFF. Only IE8 and older android mobile browsers don't support it. So which one should you use? According to caniuse, 86% of browsers support the WOFF format. Embedded Open Type (EOT): Compact form of OpenType fonts designed by Microsoft for use as embedded fonts on web pages.Web Open Font Format (WOFF2): Better compression than WOFF.WOFF is basically OpenType or TrueType with compression and additional metadata. Web Open Font Format (WOFF): Font format developed in 2009 for use in web pages.TrueType Font (TTF): Developed in the late 80's by Apple and Microsoft.The are four primary font formats that are used on the web today. They are downloaded by using the CSS3 declaration and must be supported by the web browser. Web fonts are those not installed on a person's computer, thereby having to load from a web server. Today we will compare some of the top web fonts and see how different delivery methods, such as serving from Google Fonts, hosting locally, and third parties, affect the overall load times. The number of websites using custom web fonts continues to grow at a rapid pace and this, in turn, affects the rendering speed of pages.
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January 2023
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