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Leo Vasiliou
Lived in boston, ma
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Leo Vasiliou

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http://webtortoise.com/2015/03/11/the-chart-of-the-post-6/

I’ve taken the two dimension CDF, “Hockey Stick” chart and flattened it into a one dimension strip. If you want an example report for your site, send me your, “Name”, “Email”, and example URL to Leo at C atch p oint.com
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Leo Vasiliou

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Multi-width columns comparing change:  http://webtortoise.com/2014/07/31/the-chart-of-the-post-7/
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... "By the Day" versus "By the Hour"  
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Response: Hello!  This Webtortoise post was written 2014-MAR-31 at 10:35 PM ET. Keep in Mind: #- Credit to Lee Humphries over at for the idea-inspiring post.  Thank you, sir. #- Download the Excel ...
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Response: Hello! This WebTortoise post was written 2014-FEB-28 04:59 PM ET. Keep in Mind: #- Use a cumulative distribution function (CDF) for its exceptionally-powerful force rank, competitive benc...
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Leo Vasiliou

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What other correlations are there?  http://webtortoise.com/2014/10/31/the-chart-of-the-post-5/
.... Data from the top 100'ish Internet Retailer default Home Page loads.  Is there correlation between the #Requests and Webpage Response times? Special note, the X axis in the two charts are not ...
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Using a Slopegraph to visualize Performance delta RE: empty versus primed cache http://webtortoise.com/2014/06/30/cache-is-king-and-how-to-present-the-data/
... Response: Hello! This Webtortoise post was written 2014-JUN-30 at 09:01 PM ET. Callouts: #- Use a Slopegraph to display, "change between two data". For example, use a Slopegraph to display the ...
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Finally!  A visual for any and all information types!  http://webtortoise.com/2014/04/01/the-web-performance-panacea-chart/
Response: Hello! This Webtortoise post was written 2014-APR-01 01:41 PM ET. Story: Hello, Everyone!  Am pleased to announce there is finally a Web Performance Panacea Chart we can all use in every ...
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Leo Vasiliou

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As a corollary Information, here's a "Hockey Stick" CDF chart showing the distro of several million DNS times, across several different DNS providers:  http://webtortoise.files.wordpress.com/2013/09/web-performance-ugly-chart.png  We theorize the difference between the two groups to be Anycast vs Unicast.

To me, it's important to restate, "...it’s worth testing which approach works best for your content" because the ingredients from site-to-site will be different.
For a long time one of the recommendations for a faster site has been to “serve your static content from a cookieless domain”.  This suggestion shows up in the Google best practices, the Yahoo! performance rules, and in Phil ...
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Leo Vasiliou

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Response: Hello! This #WebTortoise post was written 2014-JAN-31 at 08:09 PM ET (about WebTortoise). Main Points: #- Use a cumulative distribution function (CDF) for its exceptionally-powerful force...
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Responsible for managing [Web] Performance SLA?  Check out an example of presenting their charts:  http://webtortoise.com/2013/12/30/webtortoise-webperf-sla-graphs/
Response: Hello!  This #WebTortoise post was written 2013-DEC-30 at 02:25 PM ET (about WebTortoise). Main Points: #-  Always remember the difference between Availability versus Performance.  This i...
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79 people
Vishal Brown's profile photo
Franco Gasperino's profile photo
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Jason Sandoval's profile photo
Hatty Brozeur's profile photo
Jared Kelly's profile photo
analyn taasan's profile photo
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