Web pages designed for prefetching

JdS · #1 30-Apr-2003, 23:12

Mozilla v. 1.3b

Under...

Code:

Edit -> Preferences -> Advanced -> Cache

there is an option;

Quote:

Link Prefetching

Prefetch web pages when idle, so that links in web pages designed for prefetching can load faster.

... links in web pages designed for prefetching - anyone has an idea what that means?

By the way, this is my first post using Linux + Mozilla 1.3b.

jrobbio · #2 01-May-2003, 09:15

Check out http://www.mozilla.org/projects/netl...ching_FAQ.html

Quote:

What is link prefetching?
Link prefetching is a browser mechanism, which utilizes browser idle time to download or prefetch documents that the user might visit in the near future. A web page provides a set of prefetching hints to the browser, and after the browser is finished loading the page, it begins silently prefetching specified documents and stores them in its cache. When the user visits one of the prefetched documents, it can be served up quickly out of the browser's cache.

JdS · #3 01-May-2003, 09:28

I figured that out... I meant how does one get their web pages designed for prefetching?

jrobbio · #4 01-May-2003, 09:37

Here's somewhere to start:
http://devedge.netscape.com/viewsour...k-prefetching/

Its got a narrowband example for those on a modem.

Seems to be that it will work for Mozilla 1.2+, Netscape 7.01 and Opera 7 with IE completely behind the times. I'm sure there is something like it in IE though.

Here's an example of the code

HTML Code:


<link rel="next" href="http://www.example.com/reallybigpic.jpeg">
<link rel="next" href="http://otherdomain.net/images/the_next_page.html">

From what I have read, there is a problem with dynamic sites using link rel because urls with query strings are not prefetched.

There is another way of doing it though although it doesn't seem to be W3C standards compliant

HTML Code:


<meta HTTP-EQUIV="Link" CONTENT="<mission/index.html>; rel=prefetch">
 <meta HTTP-EQUIV="Link" CONTENT="<people/index.html>; rel=prefetch">
 <meta HTTP-EQUIV="Link" CONTENT="<research/index.html>; rel=prefetch">
 <meta HTTP-EQUIV="Link" CONTENT="<teaching/ugrad/index.html>; rel=prefetch">
 <meta HTTP-EQUIV="Link" CONTENT="<teaching/grad/index.html>; rel=prefetch">
 <meta HTTP-EQUIV="Link" CONTENT="<extension/index.html>; rel=prefetch">
 <meta HTTP-EQUIV="Link" CONTENT="<contacts/index.html>; rel=prefetch">

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Web pages designed for prefetching

Prefetch Sample Code