Tools & Wizards About Us
vban.vn screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

vban.vn

Cổng thanh toán hóa đơn và mua hàng trực tuyến Vban.vn

Page Load Speed

9.1 sec in total

First Response

1.4 sec

Resources Loaded

7.5 sec

Page Rendered

129 ms

vban.vn screenshot

About Website

Visit vban.vn now to see the best up-to-date Vban content for Vietnam and also check out these interesting facts you probably never knew about vban.vn

Vban.vn - Trang dịch vụ thanh toán hóa đơn và mua hàng trực tuyến, nơi bạn thanh toán các hóa đơn cho bạn và cho người thân với mức chiết khâu cao, thanh toán nhanh chóng và tiện lợi

Visit vban.vn

Key Findings

We analyzed Vban.vn page load time and found that the first response time was 1.4 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

vban.vn performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.2 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

www.vban.vn

1418 ms

css

834 ms

film-menu.css

802 ms

frontendjs

1610 ms

custom.js

1114 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 93% of them (39 requests) were addressed to the original Vban.vn, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Vban.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.4 kB (2%)

Content Size

1.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vban.vn main page is 1.4 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. 25% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 22.2 kB

  • Original 27.3 kB
  • After minification 20.8 kB
  • After compression 5.1 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. This page needs HTML code to be minified as it can gain 6.5 kB, which is 24% 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 22.2 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 4.8 kB

  • Original 1.4 MB
  • After minification 1.3 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. Vban images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 4.7 kB

  • Original 39.3 kB
  • After minification 39.3 kB
  • After compression 34.6 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 4.7 kB or 12% of the original size.

CSS Optimization

-32%

Potential reduce by 645 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 1.4 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. Vban.vn needs all CSS files to be minified and compressed as it can save up to 645 B or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (14%)

Requests Now

36

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vban. 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 as a result speed up the page load time.

Network Requests Diagram

www.vban.vn

www.vban.vn

1418 ms

css

css

834 ms

film-menu.css

film-menu.css

802 ms

frontendjs

frontendjs

1610 ms

custom.js

custom.js

1114 ms

jquery.validate.min.js

jquery.validate.min.js

855 ms

angularjs

angularjs

1686 ms

preload.svg

preload.svg

280 ms

logo.svg

logo.svg

283 ms

search.svg

search.svg

271 ms

ic-01.svg

ic-01.svg

269 ms

ic-05.svg

ic-05.svg

278 ms

down-arrow.svg

down-arrow.svg

273 ms

ic-02.svg

ic-02.svg

537 ms

ic-03.svg

ic-03.svg

544 ms

ic-44.svg

ic-44.svg

548 ms

ic-47.svg

ic-47.svg

554 ms

ic-201.svg

ic-201.svg

552 ms

%5BVban%20%C4%90C%5D%20TT%20tien%20nuoc-01.jpg

%5BVban%20%C4%90C%5D%20TT%20tien%20nuoc-01.jpg

1661 ms

VNPT%20toan%20quoc.jpg

VNPT%20toan%20quoc.jpg

1599 ms

%5BVban%20%C4%90C%5D%20TT%20tien%20dien-01.jpg

%5BVban%20%C4%90C%5D%20TT%20tien%20dien-01.jpg

1987 ms

2icon-05.svg

2icon-05.svg

823 ms

2icon-02.svg

2icon-02.svg

828 ms

ic-naptien-dichvu.svg

ic-naptien-dichvu.svg

831 ms

2icon-03.svg

2icon-03.svg

1099 ms

2icon-47.svg

2icon-47.svg

1107 ms

2icon-201.svg

2icon-201.svg

1106 ms

2icon-vnshop.svg

2icon-vnshop.svg

1377 ms

logo2.svg

logo2.svg

1382 ms

boct.svg

boct.svg

1385 ms

norton.svg

norton.svg

1656 ms

globalsign.svg

globalsign.svg

1661 ms

popup-home.png

popup-home.png

1666 ms

helveticaneue.ttf

helveticaneue.ttf

2127 ms

helveticaneuemedium.ttf

helveticaneuemedium.ttf

2183 ms

helveticaneuelight.ttf

helveticaneuelight.ttf

2192 ms

helveticaneuebold.ttf

helveticaneuebold.ttf

2454 ms

get-top-menu

get-top-menu

2137 ms

analytics.js

analytics.js

17 ms

collect

collect

13 ms

js

js

69 ms

thong-bao-loi.html

thong-bao-loi.html

605 ms

Accessibility Review

vban.vn accessibility score

80

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

vban.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vban.vn SEO score

85

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 doesn't use legible font sizes

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 Vban.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 Vban.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

vban.vn

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