File size comparison of different HTML5 shims, with and without gzip compression

File sizes of HTML5 shims with cc checks for IE intact (inside the JavaScript)
Version Raw file size (in bytes) gzip’ed file size (in bytes) Byte difference
Original by @rem 255 226 - 29
@kangax’s version 214 194 - 20
@pornelski’s version 176 182 + 6
File sizes of HTML5 shims without cc checks for IE (when the file is linked from inside a conditional comment in the HTML anyway)
Version Raw file size (in bytes) gzip’ed file size (in bytes) Byte difference
Original by @rem 228 206 - 22
@kangax’s version 203 190 - 13
@pornelski’s version 165 176 + 11

These tests are based on the strongest gzip compression (gzip -9).