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  Install Notes

Programming:
  Prerequisites
  H2O Whitepaper
  Online Manual
  Code Examples
  H2O Free Support


What's H2O?
H2O is programming made for the web.

What's it like?
H2O is English-like. If you know some Perl, VB, ASP, or PhP you'll be immediately productive in H2O. It runs on Linux, Mac, Unix, and Windows.

How do I try it?
Download H2O for free. Get it from hosting providers. Or buy online.

Where does H2O come from?
The language was invented by Aestiva. H2O stands for:
   HTML with
   HTML/OS
   Overlays.


Performance and Comparisons

The H2O programming language enjoys superior performance when compared to low-level interpreted languages such as Perl, Java, PhP, ASP and ASP.NET. This is essentially because H2O is high-level interpreted rather than low-level interpreted.

H2O application performances are similar to those of compiled C and C++ applications. Interpretation overhead is kept minimal, usually amounting to a few percent of total page processing time. Furthermore, the optimization built into H2O often offsets this overhead resulting in execution that's faster than compiled C and C++ applications.

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