Continuously measuring web website performance in the browser allows the ability to focus on end-user performance. In the end it will determine the success of your website. Also, make sure to check 11 more things to check on your website if you want to stay ahead of your competitors, a very good article written by our friends at Namecheap. An SEO from tip to toe, Lily is cleverly disguised as a fun human being. Loves SEO apparently and London.
Preferably SEO conferences in London. Copyright , WebSitePulse. All rights reserved. Back to Posts List How to measure website response time? Share this article. Based on worldwide network of hardware support and testing, Sucuri gives your site a global rating from A to F. It measures how long a user takes to connect to your site and how long it takes one page to load fully. An important thing to remember is that the use of a CDN will likely affect the operation of the tool.
With a CDN, the connection time is likely to be low. You will not get much use of this tool in terms of performance if your TTFB and total time are not already on the low side. In addition to performance testing, Sucuri also provides web security and protection, back up tools, and firewalls with detection. Anycast is an addressing and routing method for networks in which data is sent to a node in the network based on proximity, cost, health and other measures.
What this means is that there are high availability and redundancy built into the network, which helps in case there is network failure. As an added plus, you do not need to install anything to use Sucuri. All you need is a change in DNS, which their team will help you set up.
The tool is so good, in fact, that many of the other tools on this list merely present information taken from PageSpeed. The service grades your site from 1 to , with anything above 85 considered to be good.
There are desktop and mobile versions of the tool. PageSpeed measures two things—the time to above-the-fold load i. On mobile reports, there is also a User Experience tool that you the score along with viewport configuration, appropriate font sizes, and sizes for tap targets like buttons and links. A new speed test tool within the Think With Google service presents all this information in an attractive manner. In addition to its desktop and mobile versions, PageSpeed has a Chrome Extension which allows you to test any page from the Developers Page Speed tab.
Overall, Google PageSpeed Insights gives you a wholesome picture of the site speed and what you need to do to improve it. Because the tool belongs to Google, you can be sure that it is constantly being improved upon. The tools analyze a web page and tell you it performed in relation to Yahoo!
There are three steps in the process with which YSlow tests a site. It then gets information about each element. Finally, it takes the information and generates grades for each of the rules, resulting in an overall grade. They were designed by Yahoo! YSlow uses 23 of these rules in its testing. The Pingdom Speed Test is among the better known of the tools on this list.
The report it provides is divided into four sections: a waterfall chart, a performance grade, page analysis and history. The page analysis is further divided into size analysis, size per domain, requests per domain and the type of content with the most requests. Pingdom tests the site at four location two in the U. The results break down both page size and requests by content type and domain. The service is free of charge, offering attractive visual depictions of load time for each page element.
The Page Analysis function is highly detailed. It gets deep into server response code and tells you such things as site speed and health.
Due to the existence of different locations, there are virtually no routing issues. By the same token, accessibility is not a problem either. Page analysis gets into HTTP server response codes indicate site speed, overall health. On top of the four locations used to test, there are 70 global locations for polling, available all year long. Even with advanced features, Pingdom is cost effective.
It examines all parts of the web page loading times, file sizes, etc. You can sort and filter the information in whatever way you want. Not only are there performance measures and recommendations, but you can also see the trends in your performance history and share your results. Pagelocity offers a special approach to website performance testing. It scores sites out of , like other services, but includes as factors such things as social media, Search Engine Optimization, resources, and code.
You can also track your competitors for comparison. This is all even without registration. When you sign up for a free account, you get more features. The Pagelocity results come in code view and resource view. The code view shows if you are running over HTTPs, what the time to first byte is and also presents the DOM elements in a graphical method.
The resources view shows which web elements are taking up the total page weight images tend to be the biggest. According to their homepage, Pagelocity has analyzed nearly 15, pages so far, which is on the low end among the tools in this list. You can do side-by-side metric comparison to identify your comparative strengths and weaknesses. The reports are presented with a lot of glitzy data visuals and there is plenty of feedback on performance.
The app is very easy to use and responsive. It works on a number of devices and platforms. App is responsive and available on a host of devices.
The online website analyzer Pagelocity is the work of Romanian Andy Gongea. The WebPageTest does a performance test on a given website in over 40 different locations, in 25 browsers, including mobile. These numbers alone tell you how exhaustively useful this service can be. Websites are given a grade from A to F based on time to first byte, compression, effective CDN use and caching, among other metrics.
The reports generated are divided into six sections: a summary, details, content analysis and breakdown, screenshots, and performance assessment. WebPageTest takes a unique approach to website performance testing.
It includes a first view and repeat view which help to diagnose the 1st time DNS lookup delay mentioned earlier. If you have poor server response time, it takes longer for the HTML doc to load properly. As for servers, application response time can reveal a lot about underlying and end-user functionality.
With application response monitoring, admins can more quickly identify when poor performance is occurring or could potentially occur, allowing them to more easily remedy the situation. Applications can be affected by various network components and processes, like heavy user traffic or queries from misconfigured databases. To measure server response time, you can use a few potential metrics.
Most often, admins measure server response time with a term called Time to First Byte TTFB , which represents the time it takes in milliseconds for a browser to receive the first byte of the response from a server. With knowledge of this measurement, admins can better check server response time and understand when and why a server might be running slowly. In addition, application response times can be measured by tracking the time it takes for a server to respond to a request from a client application.
TTFB measurements apply in this case but measuring application response time might also require monitoring network elements like TCP application ports or other database resources. When considering response time—especially in the context of user experience and overall performance—it can be useful to refer to a few different measurements, including:. A response time of about 0. Consider a scenario where an onload method is present in the Web page. If you can capture the values of t0 and t4 in the browser, send them to the server, and then log the data, you will be able to analyze the real end-user response time.
Effectively, the problem domain falls into two parts:. You'll use a cookie to store the values of t0 and t4. Figure 2 shows how you will store t0 and t4 and send them back to the server for logging. To capture the time a request was initiated from the browser -- what we're calling t0 -- you must intercept the server-side request initiation from the browsers. A server-side request could be initiated when the user clicks a Submit button, for example, or clicks on a link, or calls JavaScript's form.
However the request is initiated, you must intercept it and capture the current time before initiation. Most of the server-side initiations mentioned -- those that replace the current page -- can be intercepted by the window.
Therefore, if you can attach an onbeforeunload event to the window object, you can capture t0 when the onbeforeunload event is fired. Take a look at the JavaScript functions in Listing 1 to see how this could work.
In the addOnBeforeUnloadEvent function, you are first storing the window's existing onbeforeunload event. You then override the onbeforeunload method on the window object. Here, you are actually attaching an anonymous JavaScript function. In that anonymous function, you first check to see if there is an existing onbeforeunload event already attached to the window.
If there is, you call that function. Then you call captureTimeOnBeforeUnload to capture t0. These are shown in more detail in Listings 2 and 3. You create the date string by calling methods like getFullYear , getMonth , and the like on the Date object. Listing 3 shows you how to write a cookie using JavaScript. Please note: while creating the cookie, you are not passing any values for the days parameter. You want the cookies to only be available for a particular browser session.
If the user closes the browser, all the cookies written by the instrumentation code will be removed automatically.
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