Does Google Analytics have peformance overhead?

Posted by Mohit Nanda on Stack Overflow See other posts from Stack Overflow or by Mohit Nanda
Published on 2009-01-12T12:05:50Z Indexed on 2010/06/12 21:12 UTC
Read the original article Hit count: 252

Filed under:

Performance

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google-analytics

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benchmarking

To what extent does Google Analytics impact performance?

I'm looking for the following:

Benchmarks (including response times/pageload times et al)
Links or results to similar benchmarks

One (possible) method of testing Google Analytics (GA) on your site:

Serve ga.js (the Google Analytics JavaScript file) from your own server.
Update from Google Daily (test 1) and Weekly (test 2).

I would be interested to see how this reduces the communication between the client webserver and the GA server.

Has anyone conducted any of these tests? If so, can you provide your results? If not, does anyone have a better method for testing the performance hit (or lack thereof) for using GA?

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