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Dynamic versus static web pages optimization

6
Posted June 12, 2006 by acroterion in Dynamic to Static

The choice between static and dynamic when building software for the web is a critical one, and one that I think deserves in-depth discussion.

In a dynamic site, pages are assembled “on the fly” as and when they are requested. Most server side languages as PHP, JSP and ASP powered sites do this technology by actively encourages dynamic content creation. Generating pages dynamically allows for all sorts of clever applications, from e-commerce, random quote generators to full on web applications such as Hotmail. See this dynamic web page generation diagram:

Dynamic web page generation

In a static publishing system, HTML pages are pre-generated by the publishing software and stored as flat files on the web server, ready to be served. This approach is less flexible than dynamic generation in many ways and is often ignored as an option as a result, but in fact the vast majority of content sites consist of primarily static pages and could be powered by static content generation without any loss of functionality to the end user. See this static web page generation diagram:

static web page (HTML) generation

The most widespread example of a static publishing system is D2S, which rebuilds static files for a site each time a page is added or modified – although it can be configured to serve content dynamically instead.

Benefits of dynamic publishing

At first glance, the benefits of dynamic publishing are obvious. What is frequently ignored are the benefits of static publishing, at least for content-driven sites which don’t have any heavy need for dynamic features. The most obvious benefit is performance; serving static files is what web servers such as Apache are optimised to do, and they can do it fast.

The reliability advantage

A big part is that it takes the pressure off of going live. You can be sure before going live that the published website is correct. The actual CMS may explode in flames, but the site will be fine. Going live with a web application is always a stressful process, and anything that reduces the stress of that is a great benefit. As time goes on, static publishing is also a big stress reduction for the system administrator, since a simple Apache configuration is a lot more reliable under different loads and configurations than any dynamic site will be.

Performance issues

Static site will increase the performance of any website or online application. Static pages will have a €˜circular’ effect on speed: static pages will take up less load time; less load time will allow for better performance under stress, and better performance will reduce the server stress and give the user faster downloads. Note, though, that accessibility should always have a higher priority than performance.

Static over dynamic – Conclusion

Not everything needs to be dynamically created. If there are pieces of information that have quite a long dynamic cycle, embed them statically, but perhaps allow for new items to be re-embedded easily, through a pseudo-dynamic process.


About the Author

acroterion

I am Elchanan Rotstain, the CEO of Acroterion since 2001, after twenty years of academic research and direct work experience with search engines and software architecture methodologies. I known to the world as "The Search Engine Doctor", and am internationally known expert and author of a voluminous University thesis about searching methodologies, later used by the first search engine frameworks. Presently doing research with Ph.Ds at University of Alberta, University of Michigan and The Department of Mathematics at Bar-Ilan University.

6 Comments


  1.  
    Tim

    Since this is my first post about html & web related topics, I wanted to share a new Search Engine Optimization tool that we just released. I know many of you have non optimized dynamic sites (php + mysql) and so I believe the D2S system could be a large benefit. It’s called D2S as it has the ability to take an non optimized dynamic web site, and turn it into a highly optimized static web site! We have a free demo which also shows you a number of important statistics.

    Acroterion D2S Online website optimization tool will scan your website to locate potential problems and conditions that can impair your site’s
    searchability. It collects and identifies a range of SEO components and provides a set of detailed reports to help you analyze all potential SEO
    website issues. The reports highlight specific issues which are grouped under four major categories:

    1. Site Status,
    2. Searchability
    3. Accessibility, and
    4. “What to do” reports.

    You can give it a try at: http://www.acroterion.ca/D2S_Dynamic_to_Static_Optimizer.html




  2.  

    Very informative Article




  3.  

    Is it better to have a static website than dynamic website as far as
    marketing the website on the different browsers?
    I have been advised that to get the best placement on the different browsers I need to have a static website.
    Thanks for your time,
    Judy Lopez




  4.  

    great help – thanks

    karen




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