Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

congtyamthanhanhsang.bizz.vn

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

Page Load Speed

11.3 sec in total

First Response

2.6 sec

Resources Loaded

8 sec

Page Rendered

734 ms

congtyamthanhanhsang.bizz.vn screenshot

About Website

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

Key Findings

We analyzed Congtyamthanhanhsang.bizz.vn page load time and found that the first response time was 2.6 sec and then it took 8.7 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

congtyamthanhanhsang.bizz.vn performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value2,640 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

congtyamthanhanhsang.bizz.vn

2558 ms

mycss.css

462 ms

hoso_css.css

467 ms

superfish.css

493 ms

default.css

514 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 91% of them (78 requests) were addressed to the original Congtyamthanhanhsang.bizz.vn, 2% (2 requests) were made to S7.addthis.com and 2% (2 requests) were made to Tochucsukien.bizz.vn. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Congtyamthanhanhsang.bizz.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 560.2 kB (13%)

Content Size

4.2 MB

After Optimization

3.7 MB

In fact, the total size of Congtyamthanhanhsang.bizz.vn main page is 4.2 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. 60% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 76.0 kB

  • Original 96.3 kB
  • After minification 86.4 kB
  • After compression 20.2 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 76.0 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 125.3 kB

  • Original 3.6 MB
  • After minification 3.4 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. Congtyamthanhanhsang Bizz images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 330.4 kB

  • Original 525.2 kB
  • After minification 511.1 kB
  • After compression 194.8 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 330.4 kB or 63% of the original size.

CSS Optimization

-80%

Potential reduce by 28.5 kB

  • Original 35.7 kB
  • After minification 26.2 kB
  • After compression 7.2 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. Congtyamthanhanhsang.bizz.vn needs all CSS files to be minified and compressed as it can save up to 28.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (22%)

Requests Now

83

After Optimization

65

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Congtyamthanhanhsang 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 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

congtyamthanhanhsang.bizz.vn accessibility score

42

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

<input type="image"> elements do not have [alt] text

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.

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

congtyamthanhanhsang.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

SEO Factors

congtyamthanhanhsang.bizz.vn SEO score

64

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Congtyamthanhanhsang.bizz.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 Congtyamthanhanhsang.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 Congtyamthanhanhsang 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: