YSlow is a more sophisticated web digging tool helps to make your web experience better

The computer and internet technology is the flexible one and can be implemented any domain of work culture. The internet and web technology comparatively becoming popular day by day and now most of the professional organizations are implementing this technology for better dealings in business or educational or any other sector. And so the web world getting crowded with the lots of website day by day, which requires to check some bad from all these and to maintain quality of the whole internet system. For that, some quality controlling system should be there to measure the website and its web page performance and presenting quality. To support this matter many professionals are working upon this feature and built some web researching applications which will tells about main faults of any website upon which you may work to enhance overall performance of the website.

What YSlow is actually focus upon while rating a webpage       

You may find a tool over the net which can thoroughly check your site, not only from its frontend, along with its backend too and then prescribe you what actually restrict it to become the speediest, good and most authenticated one. The name of such tool is YSlow which concentrates mainly upon more than 20 features of the web development aspects and made almost 23 rules for determining what actually the fault is and how to recover from it and acquire the best possible result. These set of rules tells also about the amount of any feature that is perfect and what amount you have to earn by doing amendments to your website.

Some features that the application looks inside your web pages and suggest approaches of SEO services and developmental help that can improve the performance of the site are –

• Making of lesser number of HTTP request from a number of JavaScript and CSS file, rather compress those using code into one respective file. This will increases YSlow grade and so combined single image file should be used in place of many inline images. Ajax request should be done with get option.
• Use CDN networking system help for getting higher speed. CDNs are the node where the data (images, video files, and other heavy weight files) are broadcasted and known as EDGE locations and when a web viewer view that particular site, which uses CDN, the web page loads faster from those EDGE locations in the machine of web viewer rather going to its main server. And if your site uses such CDN network system, it gets better gradation from YSlow.
• Use of gzip file should be done as that also increases YSlow grade. All the simple text components that are listed in the list of that web application should be forwarded after compression as gzip file.
• Duplicate CSS files should be removed, same for Javascript files and CSS files should be at bottom and CSS at top for your web pages and if any expression is used remove those to get better grade and this is also a way of Search Engine optimization technique.
• Expire header, and keep smaller the JavaScript and CSS as possible.
• All the Entity tags should be configured. Etags are the part of HTTP and works for validation of cache.
• Some unauthenticated works should be reduces and that fall in this category are the DOM elements, DNS lookup, cookie size, URL redirections, 404 error redirections, AlphaImageLoader filter and many others. It is better to create cookie free domain for enhanced result.