One of my favorite bits about the font subsetter is how I test it. First of all, I have a character usage analyzer that's a separate module, but even the font subsetting and injection side, I test by finding data URLs, decoding them, and dumping the glyphs that they contain. https://cdn.nostrcheck.me/74c5a7e59cf60cfdd2d375f4ceb25f67dea76bf001c2720598988733d59ae69d/c4ed3f52659f9ffdccd48212eab3dba450278b6fe4b59e6fc331db6440e05838.webp