This is a description of traditional, synchronous page load timing. Browser can also monitor asynchronous page load timing. Show Page load processHere are the major steps in the loading of most web pages. The numbers 1-6 in the diagram correspond to the numbered steps below. Page load timeline: The steps involved in a web page load. Browser monitoring charts display the following segments of that process: , , , and .
Page load time charts in browser monitoringBrowser monitoring captures the major page load timing segments in the browser Summary page and the Page views page. If you have SPA monitoring enabled, you will have access to both this chart and SPA-specific charts. The charts show:
The chart colors match the colors in the . one.newrelic.com> Browser > (select an app) > Summary: The load time chart appears on the Summary and Page views page. The way browser collects these times depends on the browser's capability to use the Navigation Timing Specification API. You can add custom page load timing events with the browser agent API. Here are descriptions of the activity included in the browser load time chart segments: Web applicationThe web application time includes the time spent on the application server. This can only be determined if the browser instrumentation for page load timing was provided by an APM agent. NetworkThe Network layer includes time spent in redirects as well as in requesting and receiving HTML. It does not include time on the server or for static assets. Network time measurement starts from the initial click on a link. Network time includes DNS and may include more than one lookup if you have redirects on your site, TCP (including the firewall, unless you have configured request queue time monitoring), and SSL connect time.
DOM processingDOM processing is the time it takes to parse the HTML into a DOM and retrieve or execute synchronous scripts. If the browser starts to download images in this phase, page load timing will capture the image load time. The DOM processing and page rendering layers include network time for static assets (assets that are not explicitly retrieved after page load). However, if a script on the page dynamically inserts image tags and loads images after the server or content delivery system (CDN) finishes, page load timing cannot capture the image load time. Page renderingThe Page rendering phase is the time between the DOM being complete and the window load event. This phase measures browser-side processing of the page content, and often includes time for scripts and static assets to load. Request queuingRequest queuing will be displayed in the load time chart if your account has both browser and APM linked. In New Relic, request queuing refers to the time between a request entering your production systems and it reaching your application. Depending on the specifics of your production infrastructure, this time may include an actual queue that requests enter, or it may represent other functions that take time (such as load balancing or internal network latency). App server requests vs. browser transactionsOften the number of app server transactions (requests per minute or rpm) is larger than the number of browser transactions (pages per minute or ppm) for the same application. For more information, see the troubleshooting procedures. OutliersNo matter how well your application performs, there will be some slow browsers, platforms, and networks that make your overall aggregate response times appear slower. To minimize the skew caused by outliers, page load timing clamps and scales the end user response times that are greater than 4.5 times your application's browser Apdex T setting to 4.5 times the Apdex T, or to 13.5 seconds, whichever is greater. ( are cut off at 95%.) For example, if your application's is 8 seconds, those response times will be clamped at 36 seconds. This minimizes the impact of these response times on your overall application but still provides accounting for "frustrated" Apdex scores. For SPA monitoring, outliers are handled differently. When the duration of an initial page load or route change reaches 30 minutes, that event is treated as invalid data and is discarded. What stops the web page from loading?Escape button in the keyboard plays an analogous role to the STOP button in the browser and stops the activity of the browser.
What happens when a webpage loads?Browser initiates TCP connection with the server. Browser sends the HTTP request to the server. Server processes request and sends back a response. Browser renders the content.
Why does my webpage keep loading?Clear your browser's cache and cookies and restart your web browser. Try a different web browser. This is often due to ad-blockers or other extensions in your browser that might prevent viewing our content. Try turning these off and see if the content loads.
What is the first web page that gets loaded in the browser?A home page is a webpage that serves as the starting point of the website.
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