I really think this is the code that can help alot of sites.
Anyone know where and how to tap into that? And what we're able to retrieve from it?
Thanks, should have thought of that, hadn't configured personalization but needed tracking and i didn't connect the two...
In the fight for bandwidth, nothing provides as large an impact with the least work as tuning your images to optimize for size against quality.
This article seeks to lay some groundwork and base understanding about Image compression formats so that web developers can actively, and more aggressively reduce their page-weight with informed decisions.
Mad props to and for lending their voices to this article.
I've created two simple demo asp.net pages, with caching/compression configured.
Both pages display some dummy bootstrap data and load a few JS libraries for testing (Modernizr, Respond, jQuery, KendoUI and Twitter Bootstrap).
Page Default1.aspx 'pre-loads' each individual .js file in the head and then renders them out using a technique by
+Jake Archibald (http://www.html5rocks.com/en/tutorials/speed/script-loading/) with rel="subresource"
Default4.aspx uses Require.js. It 'pre-loads' require, main & app.js and loads require.js before body-close tag.
The main+app.js simply invoke the same libraries as the other page.
Chrome's NET panel shows the following results:
14 requests, 373ms (load:811ms, DomContentLoaded: 198ms).
15 requests, 333ms (load:163ms, DomContentLoaded: 84ms).
While the 333ms/373ms difference is negligible the load and DomContentLoaded times aren't. However a $(document).ready(function() will happen in both cases with (also negligible differences) around the 810ms.
The window.onload function is around 810ms in Default1, but with Default4 it happens way before the reach of require and thus rendering that impossible, which forces you to possible not load certain scripts through require.js.
So even though 'onload' gets triggered way earlier when using RequireJS, what is (if there is) the benefit of that since we can't depend on jQuery being loaded by that stage?
I realize they're somewhat obscure samples but given the different results and me not being an in depth JS expert, I'm interested in finding out where and what the added benefits or drawbacks are...
- Prototype InteractiveSitefinity consultant, 2013 - presentAdvise, architect and manage digital projects utilizing the Telerik Platform and Sitefinity CMS.
- MGIT | adpedemlitteraeIA/(T)PM/DEV, 2006 - presentConsulting and technical project management focusing on (Enterprise) Content Management, online strategy and technical platform integration & optimization. Delivery of websites and concepts. Functional & Business analysis, prototyping and implementation of projects using predominantly the Microsoft and Telerik platform across Europe, the US and Middle-East
- Falafel SoftwareSitefinity Consultant, 2013 - 2013Advise, architect and manage digital projects utilizing the Telerik Platform and Sitefinity CMS.
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