Tools & Wizards About Us
doantatthanh.bizz.vn screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% 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

doantatthanh.bizz.vn

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

Page Load Speed

7.6 sec in total

First Response

901 ms

Resources Loaded

6.4 sec

Page Rendered

214 ms

doantatthanh.bizz.vn screenshot

About Website

Click here to check amazing Doantatthanh Bizz content for Vietnam. Otherwise, check out these important facts you probably never knew about doantatthanh.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 doantatthanh.bizz.vn

Key Findings

We analyzed Doantatthanh.bizz.vn page load time and found that the first response time was 901 ms and then it took 6.7 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

doantatthanh.bizz.vn performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

doantatthanh.bizz.vn

901 ms

trangvangvietnam.com

1107 ms

css_home1.css

279 ms

bootstrap.min.css

550 ms

bootstrap.bundle.min.js

819 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 Doantatthanh.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 Doantatthanh.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. Doantatthanh 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. Doantatthanh.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 Doantatthanh 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

doantatthanh.bizz.vn

doantatthanh.bizz.vn

901 ms

trangvangvietnam.com

trangvangvietnam.com

1107 ms

css_home1.css

css_home1.css

279 ms

bootstrap.min.css

bootstrap.min.css

550 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

819 ms

all.min.css

all.min.css

1349 ms

autocomplete.css

autocomplete.css

1082 ms

jquery.js

jquery.js

1091 ms

dimensions.js

dimensions.js

1088 ms

autocomplete.js

autocomplete.js

1094 ms

autocomplete1.js

autocomplete1.js

1108 ms

js

js

54 ms

logo_trangvang.png

logo_trangvang.png

274 ms

trangvang_logo_mobile.png

trangvang_logo_mobile.png

279 ms

signup_icon.png

signup_icon.png

273 ms

yellowpages_add.png

yellowpages_add.png

269 ms

web_design.png

web_design.png

277 ms

cong_ty_logistic.jpg

cong_ty_logistic.jpg

281 ms

cong_ty_van_tai.jpg

cong_ty_van_tai.jpg

546 ms

chuyen_phat_nhanh.jpg

chuyen_phat_nhanh.jpg

541 ms

bao_bi_nhua.jpg

bao_bi_nhua.jpg

553 ms

bao_bi_giay.jpg

bao_bi_giay.jpg

557 ms

in_an_baobi.jpg

in_an_baobi.jpg

551 ms

ocvit_bulong.jpg

ocvit_bulong.jpg

555 ms

vongbi_bacdan.jpg

vongbi_bacdan.jpg

813 ms

congty_moitruong.jpg

congty_moitruong.jpg

817 ms

xuly_nuocthai.jpg

xuly_nuocthai.jpg

828 ms

congty_maymac.jpg

congty_maymac.jpg

830 ms

may_dong_phuc.jpg

may_dong_phuc.jpg

834 ms

phu_lieu_may.jpg

phu_lieu_may.jpg

844 ms

giacong_cokhi.jpg

giacong_cokhi.jpg

1090 ms

cokhi_chinhxac.jpg

cokhi_chinhxac.jpg

1088 ms

khuon_mau.jpg

khuon_mau.jpg

1103 ms

trangvangvietnam.png

trangvangvietnam.png

1651 ms

San-TMDT.png

San-TMDT.png

1104 ms

iconlienhe.png

iconlienhe.png

1114 ms

zalo-icon.png

zalo-icon.png

1356 ms

address_icon.JPG

address_icon.JPG

1275 ms

fa-solid-900.ttf

fa-solid-900.ttf

2105 ms

fa-regular-400.ttf

fa-regular-400.ttf

1572 ms

ga.js

ga.js

17 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

doantatthanh.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

doantatthanh.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

doantatthanh.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 Doantatthanh.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 Doantatthanh.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

doantatthanh.bizz.vn

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