Tools & Wizards About Us
ub.edu.vn screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

ub.edu.vn

UB Academy - Đào Tạo Nghiệp Vụ, Luyện Thi Ngân Hàng, Công chức

Page Load Speed

24.3 sec in total

First Response

780 ms

Resources Loaded

23 sec

Page Rendered

539 ms

ub.edu.vn screenshot

About Website

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

Thành viên của Hiệp Hội Ngân Hàng Việt Nam với 11 năm kinh nghiệm trong lĩnh vực đào tạo Nghiệp vụ và luyện thi Ngân hàng, Công chức

Visit ub.edu.vn

Key Findings

We analyzed Ub.edu.vn page load time and found that the first response time was 780 ms and then it took 23.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ub.edu.vn performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value26.5 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value2,920 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.593

11/100

15%

TTI (Time to Interactive)

Value17.9 s

3/100

10%

Network Requests Diagram

ub.edu.vn

780 ms

ub.edu.vn

1116 ms

application-78c2fbb92420ce4a15964995a6378aa5d0c611819c87bb917bc54dcf3e703db2.css

552 ms

frontend-d58ab4eae1d56c6907e7d149686ec819ae14b4d80bf1fd472ba8ea578f3a84d1.css

1089 ms

application-842379cd344259cf7a569e33bf05cdde30bba7b70c631224b26d9d620f642e09.js

1377 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 83% of them (96 requests) were addressed to the original Ub.edu.vn, 3% (3 requests) were made to Cdn.jsdelivr.net and 3% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Ub.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.3 kB (2%)

Content Size

11.6 MB

After Optimization

11.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ub.edu.vn main page is 11.6 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. 70% of websites need less resources to load. Images take 11.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 42.2 kB

  • Original 54.4 kB
  • After minification 53.7 kB
  • After compression 12.3 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 42.2 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 148.7 kB

  • Original 11.3 MB
  • After minification 11.2 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. UB images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 7.2 kB

  • Original 124.2 kB
  • After minification 124.2 kB
  • After compression 117.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 190 B

  • Original 83.9 kB
  • After minification 83.9 kB
  • After compression 83.7 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. Ub.edu.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (21%)

Requests Now

91

After Optimization

72

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ub.edu.vn

ub.edu.vn

780 ms

ub.edu.vn

ub.edu.vn

1116 ms

application-78c2fbb92420ce4a15964995a6378aa5d0c611819c87bb917bc54dcf3e703db2.css

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552 ms

frontend-d58ab4eae1d56c6907e7d149686ec819ae14b4d80bf1fd472ba8ea578f3a84d1.css

frontend-d58ab4eae1d56c6907e7d149686ec819ae14b4d80bf1fd472ba8ea578f3a84d1.css

1089 ms

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1377 ms

css2

css2

62 ms

slick.css

slick.css

53 ms

slick-theme.css

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62 ms

owl.carousel.min.css

owl.carousel.min.css

54 ms

v2.js

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63 ms

22455991.js

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77 ms

js

js

84 ms

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jquery.sticky-sidebar.min.js

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slick.min.js

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owl.carousel.min.js

owl.carousel.min.js

68 ms

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47 ms

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101 ms

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254 ms

uoozuf60wqm8alfxc28471our3sv_T%E1%BB%94NG_H%E1%BB%A2P_C%C3%82U_H%E1%BB%8EI_NGHI%E1%BB%86P_V%E1%BB%A4_VIETCOMBANK_%C4%90%E1%BB%A2T_II2024.png

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276 ms

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255 ms

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uoozuf60wqm8alfxc28471our3sv_T%E1%BB%94NG_H%E1%BB%A2P_C%C3%82U_H%E1%BB%8EI_NGHI%E1%BB%86P_V%E1%BB%A4_VIETCOMBANK_%C4%90%E1%BB%A2T_II2024.png

275 ms

json

json

60 ms

Accessibility Review

ub.edu.vn accessibility score

97

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.

Best Practices

ub.edu.vn best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ub.edu.vn SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    ISO-8859-1″

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ub.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Ub.edu.vn main page’s claimed encoding is iso-8859-1″. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

ub.edu.vn

Open Graph data is detected on the main page of UB. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: