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Home » Eclipse Projects » Remote Application Platform (RAP) » Optimization/Performance
Optimization/Performance [message #102998] Sat, 23 August 2008 00:13 Go to next message
Walter Mising name is currently offline Walter Mising nameFriend
Messages: 128
Registered: July 2009
Senior Member
Dear RAP Team,

Keep up the good work.
While looking for ways of optimizing my site, I came across
http://www.websiteoptimization.com/services/analyze/ which had given
pointers on what could be improved.
Here is the result for ( www.propertymapz.com/index.html )
----------------
Analysis and Recommendations
TOTAL_HTML - Congratulations, the total number of HTML files on this page
(including the main HTML file) is 1 which most browsers can multithread.
Minimizing HTTP requests is key for web site optimization.
TOTAL_OBJECTS - Congratulations, the total objects on this page (including
the HTML) is 2 which most browsers can multithread. Minimizing HTTP requests
is key for web site optimization.
TOTAL_CSS - Congratulations, the total number of external CSS files on this
page is 1 . Because external CSS files must be in the HEAD of your HTML
document, they must load first before any BODY content displays. Although
they are cached, CSS files slow down the initial display of your page.
TOTAL_SIZE - Warning! The total size of this page is 184088 bytes, which
will load in 37.09 seconds on a 56Kbps modem. Consider reducing total page
size to less than 30K to achieve sub eight second response times on 56K
connections. Pages over 100K exceed most attention thresholds at 56Kbps,
even with feedback. Consider contacting us about our optimization services.
HTML_SIZE - Warning! The total size of this HTML page is 184087 bytes, which
is over 100K! Consider optimizing your HTML and eliminating unnecessary
content and features.
CSS_SIZE - Congratulations, the total size of your external CSS is 1 bytes,
which is less than 4080 bytes. This will fit into three higher-speed TCP-IP
packets.
MULTIM_SIZE - Congratulations, the total size of all your external
multimedia files is 0 bytes, which is less than 4K.
---------End---------------

Only problem reported by the analyzer is that the HTML generated is 184K and
suggests that it be kept under 100K.

1. While looking into the html generated by RAP framework, I had observed
that there are multiple Copyright messages which is about 7K.

2. Another option to look at is to be more modular in excluding some of the
widget implementations
Eg.
My website does not use CTabFolder, Tree etc. If there is a way to
specify ( thru some configuration ) to exclude
org.eclipse.swt.custom.CTabFolder and other related classes such as
CTabItem, the size of the HTML will come down a bit.

3. Consider compressing JS variables and strip down the comments using
some configuration.

The ultimate objective of any web site is its Richness and Speed.

While speed might not be of a concern in some of the developed countries,
most 3rd wold countries are yet to have powerful infrastructure.

Approx Download Times as reported by the weboptimization.com is as follows
Connection Rate Download Time
14.4K 143.08 seconds
28.8K 71.74 seconds
33.6K 61.55 seconds
56K 37.09 seconds
ISDN 128K 11.64 seconds
T1 1.44Mbps 1.38 seconds

I started to probe on the performance only after I had got some feedback
about performance.
I hope RAP team will address this issue going forward.

Thanks,
Best Regards,
Walter G. Prabhakar.
Re: Optimization/Performance [message #103349 is a reply to message #102998] Fri, 29 August 2008 06:25 Go to previous message
Eclipse UserFriend
Originally posted by: fappel.innoopract.com

Hi Walter,

thank you for your input on startup performance. I've filed a bug
regarding this problem, see:

245633: Improve session startup performance
https://bugs.eclipse.org/bugs/show_bug.cgi?id=245633


Ciao
Frank

-----Ursprüngliche Nachricht-----
Von: Walter Prabhakar [mailto:kwchess@gmail.com]
Bereitgestellt: Samstag, 23. August 2008 02:14
Bereitgestellt in: eclipse.technology.rap
Unterhaltung: Optimization/Performance
Betreff: Optimization/Performance

Dear RAP Team,

Keep up the good work.
While looking for ways of optimizing my site, I came across
http://www.websiteoptimization.com/services/analyze/ which had given
pointers on what could be improved.
Here is the result for ( www.propertymapz.com/index.html )
----------------
Analysis and Recommendations
TOTAL_HTML - Congratulations, the total number of HTML files on this
page
(including the main HTML file) is 1 which most browsers can multithread.

Minimizing HTTP requests is key for web site optimization.
TOTAL_OBJECTS - Congratulations, the total objects on this page
(including
the HTML) is 2 which most browsers can multithread. Minimizing HTTP
requests
is key for web site optimization.
TOTAL_CSS - Congratulations, the total number of external CSS files on
this
page is 1 . Because external CSS files must be in the HEAD of your HTML
document, they must load first before any BODY content displays.
Although
they are cached, CSS files slow down the initial display of your page.
TOTAL_SIZE - Warning! The total size of this page is 184088 bytes, which

will load in 37.09 seconds on a 56Kbps modem. Consider reducing total
page
size to less than 30K to achieve sub eight second response times on 56K
connections. Pages over 100K exceed most attention thresholds at 56Kbps,

even with feedback. Consider contacting us about our optimization
services.
HTML_SIZE - Warning! The total size of this HTML page is 184087 bytes,
which
is over 100K! Consider optimizing your HTML and eliminating unnecessary
content and features.
CSS_SIZE - Congratulations, the total size of your external CSS is 1
bytes,
which is less than 4080 bytes. This will fit into three higher-speed
TCP-IP
packets.
MULTIM_SIZE - Congratulations, the total size of all your external
multimedia files is 0 bytes, which is less than 4K.
---------End---------------

Only problem reported by the analyzer is that the HTML generated is 184K
and
suggests that it be kept under 100K.

1. While looking into the html generated by RAP framework, I had
observed
that there are multiple Copyright messages which is about 7K.

2. Another option to look at is to be more modular in excluding some of
the
widget implementations
Eg.
My website does not use CTabFolder, Tree etc. If there is a way to
specify ( thru some configuration ) to exclude
org.eclipse.swt.custom.CTabFolder and other related classes such as
CTabItem, the size of the HTML will come down a bit.

3. Consider compressing JS variables and strip down the comments
using
some configuration.

The ultimate objective of any web site is its Richness and Speed.

While speed might not be of a concern in some of the developed
countries,
most 3rd wold countries are yet to have powerful infrastructure.

Approx Download Times as reported by the weboptimization.com is as
follows
Connection Rate Download Time
14.4K 143.08 seconds
28.8K 71.74 seconds
33.6K 61.55 seconds
56K 37.09 seconds
ISDN 128K 11.64 seconds
T1 1.44Mbps 1.38 seconds

I started to probe on the performance only after I had got some feedback

about performance.
I hope RAP team will address this issue going forward.

Thanks,
Best Regards,
Walter G. Prabhakar.
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