Tips and Insights on:

  • Website, Server, Database monitoring
  • Optimization and Web Design
  • Uptime and Server performance

Empty Src and Href Attributes

Website Performance: Taxonomy of Tips intro­duced a clas­si­fi­ca­tion scheme to help us or­ga­nize the many per­for­mance tips found on the In­ter­net.  Since Yahoo’s five most highly-weighted tips fall in­to the jour­ney from the ser­ver to the cli­entca­te­go­ry, we might ex­pect this ca­te­go­ry to of­fer the best im­prove­ment in web ap­pli­ca­tion per­for­mance.  This and my next two ar­ti­cles will dis­cuss tips that re­late to the jour­ney from the ser­ver to the cli­ent.It isn’t hard to find tips in this ca­te­go­ry.  In fact, if we li­mit our search to just those tips iden­ti­fied as “best practices” by Google, Yahoo, Steve Souders, and Patrick Killelea, this ca­te­go­ry is well rep­re­sent­ed.Today’s ar­ti­cle de­scribes the one tip that Yahoo con­si­ders most im­por­tant. Read more…
Category: Website Performance

Website Performance: Taxonomy of Tips

Google/Yahoo Best Practices point­ed out that Google and Yahoo cre­ated lists of best prac­tices for web­site per­for­mance.  Google and Yahoo are not alone.  A recent web search for “per­for­mance tips for web app­li­ca­tions”got over 30 million hits.It may be use­ful to break this topic down into sub­topics.  We could then clas­si­fy tips accor­ding to sub­topic, which would make it easier to find what we need.  In­stead of search­ing allthe tips, we could search only those that per­tain to the prob­lem we are facing.  This ar­ti­cle is my first at­tempt at cre­at­ing a tax­o­no­my (ca­te­gor­i­za­tion) for this pur­pose.  I will not be fol­low­ing the topic fur­ther in fu­ture ar­ti­cles, but per­haps this ar­ti­cle will sug­gest an ap­proach for those who do. Read more…
Category: Website Performance

Google/Yahoo Best Practices

Like it or not, your end-users will judge your website.  If, in their judgment, it is perceived to be slow, that judgment will partly determine how often they return.  It will also affect their friends’ decisions insomuch as user experiences are shared.  That’s why monitoring the user experienceis so important.Now on to the next step.  We’ve monitored user experience and our monitors are telling us that things could be better (or couldn’t be worse).  So what do we do about it?  We know the transaction is slow, but how do we identify the source of the problem?We can search the Internet for suggestions, but we would quickly find way too many tips and varying opinions about their relative importance.  Lack of information is not the problem here.  The problem is that there is too much information with a wide variety of opinions interspersed.

Fortunately, someone is trying to help us wade through the mass of opinions.  Based on research rather than opinion, Google and Yahoo have each published their own version of the best-of-the-best performance tips for web applications.  Yahoo has also provided implicit rankings for their tips.  Finally, both have created tools you can use to judge your own web pages.  Yahoo created YSlow and Google created Page Speed.  Google and Yahoo are not the only reputable sources of information out there, but they seem to have given the matter reasonable thought and have produced some usable tools. Read more…

Category: Website Marketing
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