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Chances are, they're not tracking it. In fact, I'd be extremely surprised if they were. You can use YUI hosted by Yahoo's CDN. We don't track those statistic

Chances are, they're not tracking it. In fact, I'd be extremely surprised if they were. You can use YUI hosted by Yahoo's CDN. We don't track those statistics because the data is simply overwhelmingly large and not very useful even if you could parse it. The goal is speed there, not data. And, as you mention, many users will have it cached. Their cache headers invalidate the data anyhow, making that data not just expensive to gather, but completely worthless.

Tichy 18y ago
Why is the data not useful? If any content comes from Google, I suppose the Google cookie comes with it. And then you have a history of pages a user visits. Doesn't Yahoo do the same (only with a Yahoo cookie)?
- snprbob86 18y ago
  Even more useful than that, they get traffic data! I'd imagine traffic data has a heavy influence on page rank...
  - Encosia 18y ago
    PageRank is simply a measure of how many pages link to your pages, weighted by their own PageRank. Traffic has nothing (directly) to do with it.
    - snprbob86 18y ago
      I said "page rank", not "PageRank". When you perform a web search, you get a _ranked_ list of pages...
  - IsaacSchlueter 18y ago
    They don't get traffic data, though. They send a far-future expires header, so they don't even expect that the same user will request it more than once, unless their browser hits the limit on its cache size and deletes the file. The goal is speed, not tracking.
- jonknee 18y ago
  I have no cookies for googleapis.com, so no the Google cookie does not come with it. It's just the JS libs.
- IsaacSchlueter 18y ago
  No. First of all, the YUI data is served from yahooapis.net, not yahoo.com. Second, every effort is made to keep the request as small as possible, and cached for as long as possible. 1. A cookie would be a waste of bytes. 2. Since the headers instruct your browser to cache it for 10 years, it's quite likely that you won't even hit their server on the second page that uses this file. Don't believe me? Check for yourself: curl -I http://yui.yahooapis.com/2.6.0/build/yahoo/yahoo-min.js

Tichy 18y ago

Why is the data not useful? If any content comes from Google, I suppose the Google cookie comes with it. And then you have a history of pages a user visits. Doesn't Yahoo do the same (only with a Yahoo cookie)?

snprbob86 18y ago
Even more useful than that, they get traffic data! I'd imagine traffic data has a heavy influence on page rank...
- Encosia 18y ago
  PageRank is simply a measure of how many pages link to your pages, weighted by their own PageRank. Traffic has nothing (directly) to do with it.
  - snprbob86 18y ago
    I said "page rank", not "PageRank". When you perform a web search, you get a _ranked_ list of pages...
- IsaacSchlueter 18y ago
  They don't get traffic data, though. They send a far-future expires header, so they don't even expect that the same user will request it more than once, unless their browser hits the limit on its cache size and deletes the file. The goal is speed, not tracking.
jonknee 18y ago
I have no cookies for googleapis.com, so no the Google cookie does not come with it. It's just the JS libs.
IsaacSchlueter 18y ago
No. First of all, the YUI data is served from yahooapis.net, not yahoo.com. Second, every effort is made to keep the request as small as possible, and cached for as long as possible. 1. A cookie would be a waste of bytes. 2. Since the headers instruct your browser to cache it for 10 years, it's quite likely that you won't even hit their server on the second page that uses this file. Don't believe me? Check for yourself: curl -I http://yui.yahooapis.com/2.6.0/build/yahoo/yahoo-min.js