Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

100years.vnu.edu.vn

100 YEARS - VIETNAM NATIONAL UNIVERSITY, HANOI (1906-2006)

Page Load Speed

13.6 sec in total

First Response

855 ms

Resources Loaded

12.5 sec

Page Rendered

251 ms

100years.vnu.edu.vn screenshot

About Website

Click here to check amazing 100 YEARS Vnu content for Vietnam. Otherwise, check out these important facts you probably never knew about 100years.vnu.edu.vn

Visit 100years.vnu.edu.vn

Key Findings

We analyzed 100years.vnu.edu.vn page load time and found that the first response time was 855 ms and then it took 12.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

100years.vnu.edu.vn performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

100years.vnu.edu.vn

855 ms

BTDHQGHN

262 ms

287 ms

2167 ms

default.css

1258 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that all of those requests were addressed to 100years.vnu.edu.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (8.1 sec) belongs to the original domain 100years.vnu.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.1 kB (9%)

Content Size

2.1 MB

After Optimization

1.9 MB

In fact, the total size of 100years.vnu.edu.vn main page is 2.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.5 kB

  • Original 47.7 kB
  • After minification 46.1 kB
  • After compression 9.2 kB

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 38.5 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 120.5 kB

  • Original 2.0 MB
  • After minification 1.9 MB

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. 100 YEARS Vnu images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 9.7 kB

  • Original 12.9 kB
  • After minification 11.1 kB
  • After compression 3.2 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 9.7 kB or 75% of the original size.

CSS Optimization

-88%

Potential reduce by 20.4 kB

  • Original 23.2 kB
  • After minification 19.9 kB
  • After compression 2.8 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. 100years.vnu.edu.vn needs all CSS files to be minified and compressed as it can save up to 20.4 kB or 88% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

50

After Optimization

50

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 100 YEARS Vnu. According to our analytics all requests are already optimized.

Accessibility Review

100years.vnu.edu.vn accessibility score

54

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

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

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

100years.vnu.edu.vn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

100years.vnu.edu.vn SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 100years.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 100years.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of 100 YEARS 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: