Note that you are not allowed to embed any font in a website. You need to check the license first. Fonts from Font Squirrel Show archive.org snapshot are all okay to embed and use for commercial purposes, but as with many free fonts, quality differs widely, especially at medium and small font sizes.
You will need to embed your font in several formats since browser support is a mess Show archive.org snapshot .
You can use the Font Squirrel @font-face generator Show archive.org snapshot to upload a TrueType (.ttf) font and generate web font formats. This also gives you a sample CSS to embed those fonts (which isn't trivial to write on your own either).
Afterwards you should take the generator output and Improve web font rendering in Windows by autohinting fonts

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Convert a TrueType (.ttf) font to web font formats