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Visit now vĩ đại see the best up-to-date Pgdtanbinh E School nội dung for Vietnam and also kiểm tra out these interesting facts you probably never knew about

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Key Findings

We analyzed page load time and found that the first response time was 1.9 sec and then it took 8.8 sec vĩ đại load all DOM resources and completely render a trang web page. This is a poor result, as 85% of websites can load faster.





FCP (First Contentful Paint)

Value3.2 s



LCP (Largest Contentful Paint)

Value4.5 s



SI (Speed Index)

Value11.6 s



TBT (Total Blocking Time)

Value10 ms



CLS (Cumulative Layout Shift)




TTI (Time vĩ đại Interactive)

Value3.2 s



1899 ms

Our browser made a total of 73 requests vĩ đại load all elements on the main page. We found that 79% of them (58 requests) were addressed vĩ đại the original, 4% (3 requests) were made vĩ đại and 4% (3 requests) were made vĩ đại The less responsive or slowest element that took the longest time vĩ đại load (4.4 sec) belongs vĩ đại the original tên miền

After Optimization

1.6 MB

In fact, the total size of main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized trang web page that may take ages vĩ đại load. 65% of websites need less resources vĩ đại load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

Potential reduce by 46.8 kB

  • Original 57.4 kB
  • After minification 55.9 kB
  • After compression 10.6 kB

HTML nội dung can be minified and compressed by a website’s server. The most efficient way is vĩ đại compress nội dung 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 nội dung of this trang web page should be compressed using GZIP, as it can save up vĩ đại 46.8 kB or 82% of the original size.

Image Optimization

Potential reduce by 70.3 kB

  • Original 1.6 MB
  • After minification 1.5 MB

Image size optimization can help vĩ đại tốc độ up a trang web loading time. The chart above shows the difference between the size before and after optimization. Pgdtanbinh E School images are well optimized though.

JavaScript Optimization

Potential reduce by 96.9 kB

  • Original 154.7 kB
  • After minification 146.4 kB
  • After compression 57.8 kB

It’s better vĩ đại minify JavaScript in order vĩ đại improve trang web 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 vĩ đại 96.9 kB or 63% of the original size.

CSS Optimization

Potential reduce by 30.4 kB

  • Original 36.9 kB
  • After minification 27.5 kB
  • After compression 6.4 kB

CSS files minification is very important vĩ đại reduce a trang web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files vĩ đại be minified and compressed as it can save up vĩ đại 30.4 kB or 83% of the original size.

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order vĩ đại completely render the main page of Pgdtanbinh E School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 vĩ đại 1 for JavaScripts and from 8 vĩ đại 1 for CSS and as a result tốc độ up the page load time.

1899 ms

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Accessibility Issues

These are opportunities vĩ đại improve the legibility of your nội dung.


Background and foreground colors vì thế not have a sufficient contrast ratio.

These are opportunities vĩ đại improve keyboard navigation in your application.


Heading elements are not in a sequentially-descending order

These are opportunities vĩ đại improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, lượt thích a screen reader.


Links vì thế not have a discernible name

Areas of Improvement


Ensure CSP is effective against XSS attacks


Detected JavaScript libraries

Search Engine Optimization Advices

Make sure your pages are mobile friendly so sánh users don’t have vĩ đại pinch or zoom in order vĩ đại read the nội dung pages. [Learn more](


Document uses legible phông sizes


Tap targets are not sized appropriately

Language and Encoding

Language claimed in HTML meta tag should match the language actually used on the trang web page. Otherwise can be misinterpreted by Google and other tìm kiếm engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed 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 mô tả tìm kiếm is not detected on the main page of Pgdtanbinh E School. Lack of Open Graph mô tả tìm kiếm can be counter-productive for their social truyền thông presence, as such a mô tả tìm kiếm allows converting a trang web homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social truyền thông. For example, adding the following code snippet into HTML <head> tag will help vĩ đại represent this trang web page correctly in social networks: