If you generate PDFs from web pages by screenshotting them, you've probably hit this: the PDF looks perfect and is completely useless the moment you want to use the text. Ctrl+F finds nothing. You can't copy a sentence. A screen reader opens the do...

If you've ever tried to turn a modern web page into a PDF programmatically, you've probably hit the wall: the file comes out blank, half-empty, or frozen on a loading spinner. The page looks perfect in the browser, so what gives? The answer is timin...