| bytes | Package bytes implements functions for the manipulation of byte slices. |
| encoding/hex | Package hex implements hexadecimal encoding and decoding. |
| github.com/tdewolff/minify | Package minify relates MIME type to minifiers. |
| github.com/tdewolff/parse | Package parse contains a collection of parsers for various formats in its subpackages. |
| github.com/tdewolff/parse/css | Package css is a CSS3 lexer and parser following the specifications at http://www.w3.org/TR/css-syntax-3/. |
| io | Package io provides basic interfaces to I/O primitives. |
| mime | Package mime implements parts of the MIME spec. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |