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Mention compatible SVG implementations

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Rohan Kumar 2022-03-17 23:37:22 -07:00
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content/posts/website-best-practices.gmi
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@ -305,7 +305,7 @@ I only recommend using SVG in images, not embeds/objects or directly in the body
Ignore the elements specifically required for SVG Tiny PS; your image can be a standard SVG that only utilizes a tiny subset of the full SVG spec.
The above advice might seem daunting, but it’s usually easy to use existing tools to generate an SVG Tiny file and manually edit it to support the SVG secure static mode.
The above advice might seem daunting, but it’s usually easy to use existing tools to generate an SVG Tiny file and manually edit it to support the SVG secure static mode. SVGs that conform to this subset should be compatible with Qt5's SVG implementation, librsvg (used by Wikipedia and GNOME), and most operating systems' icon renderers.
Two tools that can optimize the size of an SVG file are SVGO and the now-discontinued svgcleaner:

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content/posts/website-best-practices.md
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@ -269,7 +269,7 @@ Light and dark variants of legacy formats (PNG, JPG, GIF), WebP, and AVIF can ca
I only recommend using SVG in images, not embeds/objects or directly in the body. Remember that users may save images and open them in a non-browser image viewer with reduced SVG compatibility. To maintain maximum compatibility, stick to the subset of [SVG Static](https://www.w3.org/TR/SVG11/feature#SVG-static)'s [secure static processing mode](https://www.w3.org/TR/SVG/conform.html#secure-static-mode) that appears in the [SVG Tiny Portable<wbr>/Secure (<abbr title="Portable/Secure">PS</abbr>)](https://datatracker.ietf.org/doc/draft-svg-tiny-ps-abrotman/) spec. SVG PS is a subset of [SVG Tiny 1.2](https://www.w3.org/TR/SVGTiny12/intro.html), which is a supported export format in most vector drawing programs. Ignore the elements specifically required for SVG Tiny PS; your image can be a standard SVG that only utilizes a tiny subset of the full SVG spec.
The above advice might seem daunting, but it's usually easy to use existing tools to generate an SVG Tiny file and manually edit it to support the SVG secure static mode.
The above advice might seem daunting, but it’s usually easy to use existing tools to generate an SVG Tiny file and manually edit it to support the SVG secure static mode. SVGs that conform to this subset should be compatible with Qt5's SVG implementation, librsvg (used by Wikipedia and GNOME), and most operating systems' icon renderers.
Two tools that can optimize the size of an SVG file are [SVGO](https://github.com/svg/svgo) and the now-discontinued [svgcleaner](https://github.com/RazrFalcon/svgcleaner). Don't overdo lossy compression with these tools, since lossy compression can sometimes *reduce* the effectiveness of gzip and Brotli compression.