Report Summary

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    Best Practices

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Công Ty Cổ Phần ODS

Page Load Speed

4.8 sec in total

First Response

938 ms

Resources Loaded

1.1 sec

Page Rendered

2.7 sec screenshot

About Website

Click here to check amazing Khoahocphothong content for Vietnam. Otherwise, check out these important facts you probably never knew about

ODS là doanh nghiệp nổi tiếng tại Việt Nam chuyên cung cấp các giải pháp và dịch vụ toàn diện trong lĩnh vực Hosting - Internet


Key Findings

We analyzed page load time and found that the first response time was 938 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

938 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to and no external sources were called. The less responsive or slowest element that took the longest time to load (938 ms) belongs to the original domain

Page Optimization Overview & Recommendations

Page size can be reduced by 138.0 kB (71%)

Content Size

194.1 kB

After Optimization

56.1 kB

In fact, the total size of main page is 194.1 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 139.3 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 529 B

  • Original 1.1 kB
  • After minification 1.0 kB
  • After compression 531 B

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 529 B or 50% of the original size.

JavaScript Optimization


Potential reduce by 94.3 kB

  • Original 139.3 kB
  • After minification 139.3 kB
  • After compression 45.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 94.3 kB or 68% of the original size.

CSS Optimization


Potential reduce by 43.2 kB

  • Original 53.7 kB
  • After minification 44.1 kB
  • After compression 10.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 43.2 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now


After Optimization


Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Khoahocphothong. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: