Tips for Asp.net Web Development

Go for Javascript validations instead of validation controls

Use Javascript instead of VBscript.

Minimize the use of Forms authentication.

Use Connection Pooling and Object Pooling

Turn off Tracing unless until required

Turn off Session State, if not required

Disable View State of a Page if possible

Set debug=false in web.config

Avoid Response.Redirect as many places

Use the String builder to concatenate string

Avoid throwing exceptions. try to handle the exceptions without try catch.

Use Finally Method to kill resources

Avoid unnecessary round trips to the server

Use Gzip Compression

Use Page Output Caching and Proxy Servers

Use Per-Request Caching

Use Page.ISPostBack

Avoid Unnecessary Indirection

Use "ArrayLists" in place of arrays

Place StyleSheets into the Header

Put Scripts to the end of Document

Make JavaScript and CSS External

Use DataReader instead of Dataset

Make Enableviewstate property as false for the components (particularly for heavy items like datagrid, datalist etc) if it is not necessary.

Use xmlhttprequest object or scriptmanager to minimize post backs.

Declare regions for each section of codes.

Try to use datarepeater than any other data controls.

Use skins files.