Asp.net Corepage loading very slow on windows

Question

Asp.net Corepage loading very slow on windows

Sahu, Sarita 0

I have web application migrating from ASP.NET MVC to ASP.NET core 6.

All are woking fine,but very first time when loading page in new tab via click on hyper link, it is taking more that 5 minute to load.

I am very new to this .net core,could please help on this ASAP .

Thanks,

Sarita

lynnpeters 0

I understand that you are facing performance issues while migrating your web application from ASP.NET MVC to ASP.NET Core 6. Such a significant increase in loading time is certainly not expected, so let's try to identify potential causes and solutions to improve the performance.

Here are some steps you can take to investigate and address the performance problem:

Check the Code: Review the code changes you made during the migration. Ensure that there are no blocking or resource-intensive operations in the new codebase that might be causing delays. Look for any long-running queries, synchronous operations, or excessive resource usage.

Logging and Profiling: Introduce logging and profiling in your application to gather more insights into what's happening during the loading process. This will help you identify bottlenecks or areas where the application might be spending too much time.

Database Queries: Make sure your database queries are efficient and indexed properly. Slow database queries can significantly impact the overall performance of the application.

Caching: Consider implementing caching mechanisms to store frequently accessed data in memory. Caching can greatly reduce the time taken to fetch data and can lead to a substantial improvement in performance.

Network Calls: If your application relies on external APIs or services, ensure that network calls are optimized and that you're not experiencing any delays due to external factors.

Minification and Bundling: Check if your CSS and JavaScript files are being properly minified and bundled. This reduces the size of these files and results in faster loading times.

Server Configuration: Ensure that your server is appropriately configured to handle the new ASP.NET Core application. Make sure you have the necessary resources (CPU, memory, etc.) allocated to the application.

CDN Usage: Consider using a Content Delivery Network (CDN) to serve static assets like CSS, JavaScript, and images. CDNs can help distribute the load and speed up content delivery to users.

Browser Developer Tools: Use browser developer tools (e.g., Chrome DevTools) to analyze network requests, performance, and potential errors when loading the page.

Application Insights: If you're using Azure, consider integrating Application Insights to gain deeper insights into your application's performance.

Async/Await: Ensure that you are leveraging asynchronous programming (async/await) wherever applicable to avoid blocking the main thread and improve responsiveness.

Upgrade Dependencies: Make sure all your dependencies, including third-party libraries, are up-to-date and compatible with ASP.NET Core 6.

As a best practice, consider implementing these changes incrementally and measure the performance after each step to isolate the cause of the slowdown.

Sahu, Sarita 0 Reputation points

2023-07-26T09:47:05.01+00:00

Hi LynnPeter,

Thank you so much for you quick reply.

I added all js and css in wwwRoot Folder,

How i can minimise them,Mosly i have min.js files .Could you provide your help here.how i can minize them.

1 answer

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Sahu, Sarita 0 Reputation points

2023-07-26T09:47:05.01+00:00

Hi LynnPeter,

Thank you so much for you quick reply.

I added all js and css in wwwRoot Folder,

How i can minimise them,Mosly i have min.js files .Could you provide your help here.how i can minize them.

Answer 1

Hi @Sahu, Sarita

I added all js and css in wwwRoot Folder, How i can minimise them,Mosly i have min.js files .Could you provide your help here.how i can minize them.

You can refer to the bundling and minification guidelines, which mention compatible tools (such as: WebOptimizer) and show how to use ASP.NET Core's environment tag to handle both Development and Production environments. Besides, you can also consider other third-party tools, such as Webpack, for complex client asset management.

All are woking fine,but very first time when loading page in new tab via click on hyper link, it is taking more that 5 minute to load.

About this issue, you can try to use F12 developer tools (Network), Logging or use a profiling tool like Application Insights to check which part will spend too much time, then based on the result to optimize your application.

This article provides information about how to optimize the performance of ASP.NET Core apps, you can refer to it:

ASP.NET Core performance

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Best regards,

Dillion

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