the prefecth is lacking of documents, and here is my Chinese blog on prefecth, https://blog.zymlinux.net/index.php/archives/1146 , sorry that no English version yet. FYI
> 在 2015年4月22日，上午5:44，Leif Hedstrom <zw...@apache.org> 写道： > > There’s a feature in ATS, which is poorly understood, and unsupported, which > intends to fetch content based on parsing HTML. It’s our belief that this is > either better done via either of > > 1) HTTP/2 and the LinkRel headers. Server PUSH might also help or > eliminate the need for this. > > 2) An external piece of software (or ATS plugin). For example, the > Pagespeed plugin could do this. > > > Eliminating this feature would also remove the configuration file > prefetch.config. > > > This is tracked in the Jira > > https://issues.apache.org/jira/browse/TS-3167 > > > Unless we hear otherwise within 1 week, this will be implemented for 6.0.0. > > — Leif > - Yongming Zhao 赵永明
