The best way to block net fonts to enhance privateness

Web sites that make use of textual content have two major choices to show it. Use a font that’s out there on the vast majority of consumer units or use customized net fonts, which aren’t put in on a consumer’s gadget.

Customized net fonts, comparable to Google Fonts, give net designers extra choices in relation to textual content show on web sites, however they require that guests obtain these fonts once they connect with the location. Caching is used, normally, to keep away from that fonts are downloaded on each web page go to.

For Web customers, using net fonts has two major disadvantages:

Efficiency is the plain one, as a request must be made to the server internet hosting the font to obtain it. Whereas that’s normally fast, it nonetheless provides to the loading time. Points with the server may additionally result in loading points on the location. Customers who’re on a decent bandwidth price range or on very sluggish connections might profit probably the most from the blocking.

Privateness is the second. Since requests are made to servers, e.g., Google servers that host the corporate’s fonts, data such because the IP handle is robotically submitted. Not all organizations that host net fonts use the data to trace customers, however there’s at all times the possibility that that is occurring.

Google, for instance, highlights the next within the phrases:

The APIs are designed that can assist you improve your web sites and functions (“API Consumer(s)”). YOU AGREE THAT GOOGLE MAY MONITOR USE OF THE APIS TO ENSURE QUALITY, IMPROVE GOOGLE PRODUCTS AND SERVICES, AND VERIFY YOUR COMPLIANCE WITH THE TERMS. This monitoring might embody Google accessing and utilizing your API Consumer, for instance to establish safety points that might have an effect on Google or its customers.

Since many websites use net fonts, extensively used fonts might present organizations with further details about a consumer’s exercise on the Web.

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Blocking net fonts might result in show points on some websites. Websites that rely solely on net fonts, with out having fallbacks in place, might not show accurately.

Discover out if a website makes use of net fonts

It’s comparatively straightforward to search out out if a website makes use of net fonts.

  1. Open the Developer Instruments of the browser with the shortcut Ctrl-Shift-I. You discover it listed in the principle menu as nicely, normally underneath Extra Instruments.
  2. Change to the Community tab.
  3. Activate the font filter.
  4. Load the location in query and monitor the itemizing.

The best way to block net fonts

firefox web fonts block

Net fonts may be blocked in quite a lot of methods, relying on the browser that’s used.

Firefox customers might set the preferences gfx.downloadable_fonts.enabled and gfx.downloadable_fonts.woff2.enabled to false to dam downloadable fonts within the browser.

The browser has one other setting that could be of use. Launched in Firefox 41, it allows Firefox to set particular fonts for visited web sites.

  1. Load about:preferences#normal within the browser’s handle bar to get began.
  2. Scroll all the way down to the Fonts part and choose the Superior button.
  3. Uncheck “Permit pages to decide on their very own fonts, as an alternative of your choice above”. You could must scroll the window to see the choice.
  4. Choose OK.

Customers of the content material blocker uBlock Origin might add a single customized line to it, to dam net fonts. Open the Settings, swap to My Filters, and add the road *$font,third-party. Choose Save, and you might be all set. The content material blocker consists of a good stricter choice, which blocks all distant fonts. To activate it, choose “Block distant fonts” within the extension’s settings. Websites that don’t show accurately could also be excluded from the blocking.

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ublock block web fonts

This blocks using net fonts on third-party websites solely. First occasion websites are nonetheless allowed to load them.

An alternative choice is to make use of a pre-made anti-fonts listing, which you discover right here. Simply import it into your content material blocker of selection to dam the vast majority of net fonts on the market on third-party websites

Now You: how do you deal with net fonts? Are you involved about them? (through Collinmbarret)