Tools & Wizards About Us

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

vppsonduong.bizz.vn

Trang vàng - Danh bạ doanh nghiệp, trang vàng Việt nam

Page Load Speed

7.4 sec in total

First Response

809 ms

Resources Loaded

6.4 sec

Page Rendered

205 ms

About Website

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

Trang vàng tốt nhất Việt nam, cung cấp hơn 250.000 doanh nghiệp, 2.500 phân loại ngành nghề, 1.000.000 sản phẩm dịch vụ - Trang vàng kết nối giao thương và xúc tiến thương mại

Visit vppsonduong.bizz.vn

Key Findings

We analyzed Vppsonduong.bizz.vn page load time and found that the first response time was 809 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

vppsonduong.bizz.vn performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

vppsonduong.bizz.vn

809 ms

trangvangvietnam.com

1117 ms

css_home1.css

272 ms

bootstrap.min.css

542 ms

bootstrap.bundle.min.js

814 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Vppsonduong.bizz.vn, 90% (38 requests) were made to Trangvangvietnam.com and 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Trangvangvietnam.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.3 kB (12%)

Content Size

448.9 kB

After Optimization

393.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vppsonduong.bizz.vn main page is 448.9 kB. 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 286.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 46.7 kB

  • Original 54.2 kB
  • After minification 41.5 kB
  • After compression 7.5 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 12.7 kB, which is 23% 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 46.7 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 5.7 kB

  • Original 286.7 kB
  • After minification 281.1 kB

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. Vppsonduong Bizz images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.5 kB

  • Original 55.6 kB
  • After minification 55.6 kB
  • After compression 54.1 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

-3%

Potential reduce by 1.5 kB

  • Original 52.3 kB
  • After minification 52.3 kB
  • After compression 50.8 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. Vppsonduong.bizz.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (24%)

Requests Now

38

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vppsonduong Bizz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vppsonduong.bizz.vn accessibility score

58

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

Best Practices

vppsonduong.bizz.vn best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vppsonduong.bizz.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

robots.txt is not valid

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

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vppsonduong.bizz.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Vppsonduong.bizz.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 Vppsonduong Bizz. 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: