Report 9i performance on Web Application

I've developed a report using Report Builder 9i. The report run smoothly in the builder, but it takes a very very long time to execute when called from web application.
I've tried to execute the report's SQL statement in SQLPlus to see whether there is performance problem , but strangely the SQL executed effectively in SQLPlus.
Can anyone tell me how to improve the report performance on my Web application?

How do you execute the report from the web application?
Are you generating the report output to HTML / HTMLCSS formats? HTMLCSS report output takes longer time to load into browser.
Try to use "Run to web" option in Reports builder and check if it takes more time.
You can also refer to the following document "Tuning Oracle9i Reports" from http://otn.oracle.com/products/reports/htdocs/getstart/whitepapers/cb_tuning8.pdf
regards,
Senthil

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