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Website Analytics - Tracking and Logging Forum

    
Will adding Google Analytics tags slow down our site?
Munster

10+ Year Member



 
Msg#: 3766173 posted 3:35 pm on Oct 15, 2008 (gmt 0)

I've been coming up against heavy reluctance from our developers to put Google Analytics tags on our ecommerce site. They are concerned that it is going to slow the site down.

Is there a definitive way of implementing these tags to ensure no site slowdown? Or any documented evidence that this does not effect the site performance?

I suggested that the java tags be put in the footer so that it is the last thing to load, but they are still concerned that it will cause problems with the shopping cart.

Anyone?

Munst

 

Demaestro

WebmasterWorld Senior Member demaestro us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 3766173 posted 3:40 pm on Oct 15, 2008 (gmt 0)

It will cause a small performance issue.

The trouble is that the JS file is loaded from Google servers... sometimes they are fast but from time to time they are slow.

You are right that if you put the call to the JS before the </body> that your content will load before the Google code.

Your developers are right to warn you but it isn't enough reason to not have the tracking code if you think you will benefit from it.

Unless the shopping cart is poorly written it shouldn't interfere.

cgrantski

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 3766173 posted 6:08 pm on Oct 15, 2008 (gmt 0)

Where are the developers getting their information (if there is more to their opinion than information)? Instead of asking for proof that it won't affect anything, they should have some indication that it will. And that it could be significant.

The developers should be able to put this to the test with perfmon or a client-side test tool.

Do the developers have any idea of what degree of slowdown would be unacceptable i.e. change visitors' immediate or long-term behavior?

What do the developers suggest doing instead? No analytics at all? How does management feel about that?

Tell them to step up!

buckworks

WebmasterWorld Administrator buckworks us a WebmasterWorld Top Contributor of All Time 10+ Year Member



 
Msg#: 3766173 posted 6:30 pm on Oct 15, 2008 (gmt 0)

Plan your page layouts so the analytics will be the very last thing to load. You might be able to measure a difference in total load time, but few users would notice any difference.

I like to enclose my analytics snippets within a DIV that specifies height and width (usually 1x1), as well as putting it very last on the page.

stapel

WebmasterWorld Senior Member 10+ Year Member



 
Msg#: 3766173 posted 6:31 pm on Oct 21, 2008 (gmt 0)

See also this thread [webmasterworld.com] from three weeks previous.

Eliz.

Receptional Andy



 
Msg#: 3766173 posted 6:37 pm on Oct 21, 2008 (gmt 0)

When Google first launched their analytics product, I believe they recommended outing the code within the <head> section of the HTML. And they also had a variety of problems with server speed. This caused entire pages not to load on some sites (since browsers might wait for a timeout before loading the rest of the content).

Google seem to have addressed the server speed problem, and of course, you can now put the code as low in the HTML as possible (i.e. just before </body>) so the worst downside if Google's servers are slow or unavailable is the browser might indicate that the page has not finished loading. The content should still display fine.

Of course, you should try to avoid ever relying on third party code for key elements of a page to run successfully.

arieng

5+ Year Member



 
Msg#: 3766173 posted 7:21 pm on Oct 21, 2008 (gmt 0)

if Google's servers are slow or unavailable is the browser might indicate that the page has not finished loading

Through several implementations, this is about the only performance issue I've run into.

In one case, it did have some unintended consequences. One particular e-commerce site I work with had product pages with literally hundreds of related products on a single page. During times of high server load, these pages could take some time to finish loading. The programmers added a "Page Loading" icon so users would know that more products were still coming up. To do this, they were loading a javascript from within the body tag.

The result was that the "Page Loading" icon would continue to run until the GA script had finished. Sometimes this was a surprisingly long time (upwards of 60 seconds).

Moral --> be careful how you use the body tag when implementing 3rd party scripts from within the body.

Receptional Andy



 
Msg#: 3766173 posted 7:32 pm on Oct 21, 2008 (gmt 0)

heavy reluctance from our developers to put Google Analytics tags on our ecommerce site

Incidentally, they are likely wrong that this will have any impact, but I'm usually much more happy with a cautious developer than one who will slap any old code anywhere without any questions ;)

Munster

10+ Year Member



 
Msg#: 3766173 posted 8:53 am on Oct 22, 2008 (gmt 0)

Having spoken with the developers yesterday it turns out that the issue is as follows;

Our site currently has a number of tags on it including Atlas and Doubleclick (for affiliates and banners) Surfaid (our current analytics. Recently they inserted tags for InQ (similar to Liveperson) and a conflict occurred with the Atlas tags which caused pages not to load even though the tags were at the bottom of the page.

Can anyone suggest a way that we can test or analyse the JS for potential conflicts before implementation?

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