Google – Websites downloading speed and sales | Aji Issac Mathew (via Mowser)

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We all know that downloading speed is important but we have always underestimated it’s importance else all our sites would have been Google. All Google products render faster compare to its competitor. Google head really understands the value.
Mayer of Google

According to Marissa Mayer (VP, Google) at Web 2.0 Conference

“Part of Google’s secret sauce is that a round trip for a search query that returns a result in .05 seconds touches 300 to 700 Google machines across the country. Users really respond to speed”.

In simpler terms

Every 100ms delay costs 1% of the sales. (Data taken for Amazon) Every 500 ms delay costs 20% traffic. (Data taken for Google) According to two surveys, conducted by Forrester Research and Gartner Group, ecommerce sites are losing $1.1 to $1.3 billion in revenue each year due to customer click-away caused by slow loading web sites.

More statistics

The average time a user wants to wait for a page to load is 8 seconds give or take 2 seconds! That’s a very short time. Akamai and JupiterResearch have recently released the results of a survey in which 1,058 online shoppers participated. According to the survey,

Poor site performance leads to customer dissatisfaction. Brand perception is diminished by poor site performance. Site pages should load in four seconds or less. Customer loyalty depends on quick page loading

This survey offers a lot of good points. Get a full version of the survey.

Full Page loading vs Progressive HTML Rendering
Firefox renders the table in a progressive way but Internet Explorer loads the complete table at once. If I get time I will write more about it (Do let me know if you have queries). The following images will help us understand the difference (Credit to codinghorror.com for the images).
Progressive vs normal rendering

This is optimized page
Better rendering for pages

Some tips for faster rendering

Tableless designs to support progressive rendering. Using CSS files to use the local cache. The CSS files are cached in local machine and used there after for faster rendering. Use a http watcher to understand this. Reduce the non visible content as much as possible. Others: Avoid heavy flash files, heavy images and other obvious factors.

I will write one small Google trick later. Google is loosing the battle to win the war, that is another trick for faster rendering (I will write when I get some more time, force me to write earlier).

SEO Advice
Faster rendering can help in SEO indirectly, ask me if you have doubts.

6 thoughts on “Google – Websites downloading speed and sales”

Raju on December 24, 2006 at 9:58 pm said:

That is one hell lot of information. I never thought downloading speed matters so much. Thanks Aji for taking time out of your busy schedule for us.

AjiNIMC on December 24, 2006 at 10:01 pm said:

Thanks Raju, you guys always motivated me to blog. Truly some busy days ahead more me.

Arindam Sen on December 26, 2006 at 3:04 pm said:

See Guys,
…this is what Aji is best known for…offering you with something different.. just when you need it the most!

Regards, Arindam

Arnab.... on December 26, 2006 at 3:18 pm said:

i had no idea about these minor details….great work…….:)

Arindam Mitra on December 26, 2006 at 4:13 pm said:

Thanks for the info. It’s a very interesting stuff. It’ll be helpful if you can put more focus on it “Firefox renders the table in a progressive way but Internet Explorer loads the complete table at once.”

Thanks again
Arindam

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Google – Websites downloading speed and sales

6 thoughts on “Google – Websites downloading speed and sales”

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