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Cache :: Search Commands

Google, Yahoo and MSN each offer cached copies of web pages. Google offers the cache search command as an additional way of accessing the page cached copy.

A cache is a copy of the web page the search engine saw when it visited the URL. The cache recalls the HTML of a web page but not typically images. The cache is useful when the page which seems to be the best result for a web search is unavailable. The user can click on the cache link in the search results and review the text of the page. When images appear in a cache it is due to the image still being available on the server at the address at which the cached copy of the page requests it. The use of client side forwarding can hinder a user's ability to review a cached copy of a page. As the client side forwarding is also cached by the search engine any user on the cached copy of the page is subjected to the forwarding.

Cache :: the Google search command

Synposis: Show Google's cache of a URL
Sample search: Show the cache for www.searchcommands.com

Google caches the first 101k of a web page and inserts a strap of information about the URL at the top of the web page. Google repeats the URL of the web page which the cache shows - and this can differ from the URL used in conjunction with the cache search command due to server side redirects. Google links to the non-cached version of the web page and to a text only verison of the web page with images and CSS stripped out. There is a timestamp with each cached copy of the page.

Google includes a link to the normal cache of a web page, where available, with every search result in a normal search.

It is possible to ask Google not to cache your page through the use of either of the follow meta tags:
    <meta name="robots" content="noarchive">
    <meta name="googlebot" content="noarchive">

Cache :: the Yahoo search command

Sample cache: Yahoo's cache of BBC Radio

Yahoo includes links to cached copies of web pages but offers no search command to access the cache directly. Yahoo adds a strip of information to the top of the web page for any cached URL. Yahoo does not date their cache but does repeat the URL the cache is been shown from.

It is possible to ask Yahoo not to cache your page through the use of either of the follow meta tags:
    <meta name="robots" content="noarchive">

Cache :: the MSN search command

Sample cache: MSN's cache of Random.org

MSN provides no cache search command but does link to cached copies of pages in its search results. The strip of information which MSN adds to the top of a cached web page includes a timestamp for when the page was cached (and MSN says when the page was ranked) as well as a link to the original page.

It is possible to ask MSN not to cache your page through the use of either of the follow meta tags:
    <meta name="robots" content="noarchive">
    <meta name="msnbot" content="nocache">