Web Application Performance
Web application performance is increasingly becoming important aspect in web based business. Awareness about faster websites is increasing. Recently website speed has been added to ranking criteria of Google, most of the other search engines should be following soon.
Optimizing website performance includes optimization of different aspects of a site, ranging from image optimization to advance level web server enhancements. The performance does not only include fetching HTML code from the server, it also includes download time of all images, css, js files and other objects in page.
According to a research only 10 to 20% of total time is spent fetching html and rest of the 80 to 90% is spent of other objects. Focusing on this 80 to 90% time can improve user experience of an web application. In this series of posts we will focus of methods to improve in this area.
The series will include following methods to improve web application performance
- Using HTTP features 304 not modified, expires header, keep-alive, gzip
- Reducing HTTP requests
- Caching images in browser
- Gzip Compression
- Proper CSS Placements
- Proper JavaScript placement
- Minimizing CSS and JavaScript code
- Serving images from cookie less domain
- Avoiding HTTP redirection
- Optimizing Ajax
- Use PHP accelerators
Stay tuned for updates in this series. We will be adding details for all these methods and few more ones.
