If the scripts can execute a function when they are finished loading, you can use the script injection technique. Basically, you create a script DOM element and attach it. The catch is that you won't know when the script is finished loading unless you wait for a function to be executed by the script.
This patch to the gwt-google-apis project demonstrates how to do this in GWT: http://galgwt-reviews.appspot.com/3604/show On Mon, Feb 16, 2009 at 3:16 AM, Ghostcoder <thanneer.ma...@gmail.com> wrote: > > I have few JavaScripts (abt 35kb) getting downloaded at the beginning > even thought it is used later in the app.Can i load javascript lazily > with GWT apps. > > For example I use lightbox which will not be used at the beginning of > the app ,so i can i download the GWT generated html first to build > home page and then load then js files later when required . > > > I have configured these js files in module.gwt.xml > > > > On Feb 15, 7:22 pm, Tóth Imre <tothi...@gmail.com> wrote: >> I think 12 secs for 190 kb is too much even if you use a 512 kb/sec >> connection. Int that case it would cost 4 secs. Maybe the script running to >> much at startup, or you download too much images to the page...maybe.. >> byez >> >> 2009/2/14 Ghostcoder <thanneer.ma...@gmail.com> >> >> >> >> >> >> > Thanks for the reply . >> >> > I am compressing the html file(gzip) but my html file is 190 kb .It >> > takes 12 secs to download. >> >> > Can I reduce the size by using multiple modules so that the initial >> > page load can be quick and the subsequent module html files can be >> > downloaded lazily. >> >> > Will multiple modules help me reduce load time if so is there any >> > tutorial that explains how multiple modules can be used in one project >> > (one website). >> >> > thanks >> >> > On Feb 12, 5:04 pm, Eric Ayers <zun...@google.com> wrote: >> > > On Wed, Feb 11, 2009 at 3:34 PM, Ghostcoder <thanneer.ma...@gmail.com> >> > wrote: >> >> > > > I have created my site using gwt1.5 and I have used gwt google map api >> > > > too.When i open my site in the browser I realize that a main.js file >> > > > is downloaded from maps.google.com. which is 68 kb(4 sec to download) >> > > > and my cache html is 200kb(9 sec to download) so the site takes a >> > > > while to load .These two files are not downloaded parallely even >> > > > though they are from two different domains ,how do i configure it so >> > > > that these two gets downloaded parallely. >> >> > > > note : I have configured the map script in module.gwt.xml >> >> > > One quick thing you could do is to move that script load out of the >> > > module.xml and move it into the <head> section of your HTML host page. >> > > that will get the main.js file from maps up and running quickly. >> >> > > > How do i improve the startup time ,I verified with yslow ,it gives 80 >> > > > points for the site ,but still the start up time for the site when >> > > > cache is empty is close to 15 secs which includes the files mentioned >> > > > above ,my css and images. >> >> > > From a broadband connection (1.5Mbit), under Chrome & IE7, I measured >> > > the Google hosted HelloMaps sample >> > > (http://gwt.google.com/samples/HelloMaps-1.0.3/HelloMaps.html) loads >> > > in about 3 to 4 seconds after I empty the cache, and it uses a >> > > <script> tag in the module.gwt.xml file. Does your page load slower >> > > on some browsers than others? If you think download bandwidth is the >> > > issue, another thing you could try is compressing your .cache.html >> > > files. >> >> > > > The main.js gets downloaded first and then my cache html file ,can i >> > > > reverse the order if so how ? >> >> > > > Please help me with this . >> >> > > > Thanks in advance >> >> > > -- >> > > Eric Z. Ayers - GWT Team - Atlanta, GA USAhttp:// >> > code.google.com/webtoolkit/ >> >> -- >> Best Regards >> Tóth Imre > > > -- Eric Z. Ayers - GWT Team - Atlanta, GA USA http://code.google.com/webtoolkit/ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
