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repository.vnu.edu.vn: Trung tâm Thông tin – Thư viện - Library and Information Center

Thư viện số Trung tâm Thông tin – Thư viện, ĐHQGHN là nơi thu thập, lưu trữ, quản lý và phân phối toàn bộ nguồn tài liệu nội sinh và tài liệu có bản quyền của ĐHQGHN

Page load speed analysis

  • 58/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    1.2 sec

  • Resources loaded

    3.4 sec

  • Page rendered

    173 ms

  • Total page load time

    4.7 sec

Visit repository.vnu.edu.vn now to see the best up-to-date Repository Vnu content for Vietnam and also check out these interesting facts you probably never knew about repository.vnu.edu.vn

We analyzed Repository.vnu.edu.vn page load time and found that the first response time was 1.2 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Page optimization

  • HTML 22.2 kB
    Images 43.9 kB
    Javascripts 390.8 kB
    CSS 148.0 kB

    In fact, the total size of Repository.vnu.edu.vn main page is 604.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 10% of websites need less resources to load. Javascripts take 390.8 kB which makes up the majority of the site volume.

    • Original 22.2 kB
    • After minification 18.9 kB
    • After compression 4.3 kB

    HTML optimization

    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. This page needs HTML code to be minified as it can gain 3.3 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.9 kB or 81% of the original size.

    • Original 43.9 kB
    • After optimization 31.3 kB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Repository Vnu needs image optimization as it can save up to 12.6 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 390.8 kB
    • After minification 374.8 kB
    • After compression 108.8 kB

    JavaScript optimization

    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 282.0 kB or 72% of the original size.

    • Original 148.0 kB
    • After minification 142.0 kB
    • After compression 24.0 kB

    CSS optimization

    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. Repository.vnu.edu.vn needs all CSS files to be minified and compressed as it can save up to 124.0 kB or 84% of the original size.

Network requests diagram

  • repository.vnu.edu.vn
  • jquery-ui-1.10.3.custom.css
  • bootstrap.min.css
  • bootstrap-theme.min.css
  • dspace-theme.css
  • jquery-1.10.2.min.js
  • jquery-ui-1.10.3.custom.min.js
  • bootstrap.min.js
  • holder.js
  • utils.js
  • choice-support.js
  • dspace-logo-only.png
  • glyphicons-halflings-regular.woff
  • VNU-Repository.png
  • rss1.gif
  • rss2.gif
  • rss.gif
  • logo-cineca-small.png

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Repository.vnu.edu.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Repository.vnu.edu.vn.

Additional info on repository.vnu.edu.vn

Requests

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Repository Vnu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

6

Javascripts

6

Images

4

CSS

16

All

Possible request optimization

1

Javascripts

6

Images

1

CSS

8

Optimized

8

All

Good result

IP address

This IP address is dedicated to Repository.vnu.edu.vn. This is the best domain hosting practice .

Normal result

IP Trace

repository.vnu.edu.vn

203.113.130.211

DNS records

Type Host Target/ip TTL Other
A

repository.vnu.edu.vn

203.113.130.211 21600

Language and encoding

Normal result

Language

VI vi language flag

Detected

N/A  language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Repository.vnu.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Repository.vnu.edu.vn 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.

HTTPS certificate

SSL Certificate

Repository.vnu.edu.vn has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 86.7% of all visits is Vietnam. It’s good for Repository.vnu.edu.vn that their server is also located in Vietnam, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Repository Vnu. 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:

repository.vnu.edu.vn

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