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Objective
Reduce DNS lookup time by pre-resolving at the browser.
Curl Www.amazon.com 2 Dev Null Grep C Dns-prefetch Download
Description
DNS resolution time varies from <1ms for locally cached results, to hundredsof milliseconds due to the cascading nature of DNS. This can contributesignificantly towards total page load time. This filter reduces DNS lookup timeby providing hints to the browser at the beginning of the HTML, which allows thebrowser to pre-resolve DNS for resources on the page.
Operation
Unix 2 Dev Null
Dev c++ game engine. This filter inserts the tag
<link>
(or<link>
for IE9) in the HEAD section, for alldomains present in the HTML document.If the Flush Resources Early rewriter is turned on, this information will also beflushed early.Example
https://potentbargain639.weebly.com/dev-c-download-for-windows-xp.html. The example below shows the HTML before rewriting:
and after rewriting:
Limitations
This rewriter will be applied only on Firefox 3.5+, Chrome, Safari 5+ and IE9+.
![Curl www.amazon.com 2 dev null grep c dns-prefetch download Curl www.amazon.com 2 dev null grep c dns-prefetch download](/uploads/1/2/6/3/126383048/776756508.png)
Risks
This rewriter is considered minimal risk.