Scalable Inman Flash Replacement
From Seo Wiki - Search Engine Optimization and Programming Languages
CSS support in web browsers did not, at the time of sIFR's creation, allow webpages to dynamically include web fonts, so there was no guarantee that fonts specified in CSS or HTML would show as intended, as the browsing user may or may not have had the specified font installed in their system. sIFR embeds a font in a Flash element that displays the text, preempting the need for a font to have been manually pre-installed on a user's system.
A common technique is to use raster graphics to display text in a font that cannot be trusted to be available on most computers. Text created this way pixelates when scaled and cannot be partially selected. In contrast, sIFR text elements mimic normal HTML text – they are relatively resizeable and copyable.
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Since the creation of sIFR, dynamic web fonts support in browsers has been renewed, with at least the latest versions of the four most popular browsers supporting them.
Facelift Image Replacement (FLIR) is a similar software to sIFR. But instead of using flash, it embeds plain images, that are generated automatically from the text on the webpage. So even if user does not have flash plugin installed, he will see the text replaced by FLIR. However, FLIR requires that the website host is capable of running PHP, and it is even less accessible than sIFR.
The name of the original technique was derived from an anagram of the acronym for the CSS image-replacement technique it was designed to replace, Fahrner Image Replacement.
- sIFR 3
- Wiki.Novemberborn, sIFR Documentation & FAQ
- Introducing sIFR: The Healthy Alternative to Browser Text by Mike Davidson
- FLIR - Facelift Image Replacement software
- Mike Davidson - sIFR
- Online sIFR Generator
- Another Online sIFR Generator
- A Library of sIFR fonts
- SiFR explained in Spanish with SiFR tutorials
- Official Google Webmaster Central Blog Google prefers sIFR as announced during SMX Advanced 2008
- This is how you get sIFR to work, a guide for implementing sIFR (using sIFR3)
- jQuery sIFR plugin, a jQuery-flavored version of sIFRde:Scalable Inman Flash Replacement