Web performance is the speed in which web pages are downloaded and displayed on the user’s web browser. Web performance optimization about increasing web performance.Faster website download speeds have been shown to increase visitor retention and loyalty and user satisfaction, especially for users with slow internet connections and those on mobile devices. Here is the Importance of website performance which is one of the top essentials for any website
What is the importance of performance in a website :
Website speed is an extremely important determinant of your website’s success in 2017. It’s no longer a luxury, but a necessity. If you want to add more elements to your website, make sure you are not sacrificing your website speed — otherwise, you might be losing more than you may gain. Whether your goal is to get more leads, sales, or reduce customer service phone calls, website optimization can be used to make your website more effective at meeting those goals.
Website performance is the measuring telling how fast your website loads. It is one of the most important indicators of online success. Even if you have great content and perfect Search Engine Optimization (SEO), a slow website will drive away visitors and make Google think twice about including your site in its results. Your website needs to be fast and meet consumer expectations. Research shows that under-performing websites disappoint customers and drive away business. this is an important factor because it can make all other efforts go waste.
How to measure website performance :
Website performance is measured using different metrics, these metrics may vary from website to website but you should be able to select the right metric as per your requirement. Here are few metrics
Peak Response Time
The peak response time metric will help identify areas where performance could be improved. For example, the average response time might be one second, but within that average, there could be an element taking 10 seconds to load (the peak response time) while other elements are transferring in less than a second. The peak response time metric shows the slow elements within the application that should be investigated and changed.
Average Application Response Time
This is the most important metric to measure website performance from the user’s point of view. In simple terms, the average application response time is the amount of time an application takes to return a request to a user. An application should be tested under different circumstances (i.e. number of concurrent users, number of transactions requested). This metric is measured from the start of the request to the time the last byte is sent.
The error rate is a calculation that measures the percentage of problem requests (errors) compared to all requests. Error rates should be measured with different loads. An acceptable error rate may differ from company to company, but this metric helps businesses and IT managers understand pinpoint when the application will fail.
How many units of information can a system process in a set period of time? That’s what throughput is. It’s a measurement of how much bandwidth is required to handle a load (concurrent users and requests). A higher value throughput means the application can handle an increasing number of concurrent users and that’s a good thing.
The website should not be designed for single user or single user at a time usages it should be able to let many users concurrently access and fetch data from the website
Understanding this metric – and how it is connected with average response time, , will help the development of a high-performance web application.
Requests Per Second
Requests per second measures how many actions are being sent to the target server every second. Any resource on the page is considered a request. Requests per second will vary greatly on the type of resource requested and how that request is processed.
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Link : https://wordpress.org/plugins/w3-total-cache/
Finally, these metrics are our priorities as I said earlier your wants can change so you should be able to pick the right metrics for your websites based on the target visitors and their actions
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