Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

cadisun.com.vn

Trang chu CADI-SUN

Page Load Speed

13.2 sec in total

First Response

1.6 sec

Resources Loaded

11.1 sec

Page Rendered

362 ms

cadisun.com.vn screenshot

About Website

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

chuyen san xuat day cap dien

Visit cadisun.com.vn

Key Findings

We analyzed Cadisun.com.vn page load time and found that the first response time was 1.6 sec and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cadisun.com.vn performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value22.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.299

40/100

15%

TTI (Time to Interactive)

Value45.7 s

0/100

10%

Network Requests Diagram

cadisun.com.vn

1647 ms

jquery.fancybox-1.3.4.css

536 ms

nivo-slider.css

538 ms

style.css

538 ms

jquery.js

1346 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 98% of them (102 requests) were addressed to the original Cadisun.com.vn, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.8 sec) belongs to the original domain Cadisun.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 757.0 kB (19%)

Content Size

3.9 MB

After Optimization

3.2 MB

In fact, the total size of Cadisun.com.vn main page is 3.9 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 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 55.4 kB

  • Original 67.9 kB
  • After minification 65.0 kB
  • After compression 12.5 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. 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 55.4 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 296.0 kB

  • Original 3.3 MB
  • After minification 3.0 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. CADI SUN images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 286.2 kB

  • Original 397.4 kB
  • After minification 356.8 kB
  • After compression 111.2 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 286.2 kB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 119.4 kB

  • Original 144.5 kB
  • After minification 110.1 kB
  • After compression 25.1 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. Cadisun.com.vn needs all CSS files to be minified and compressed as it can save up to 119.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (39%)

Requests Now

103

After Optimization

63

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CADI SUN. 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 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cadisun.com.vn accessibility score

48

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

cadisun.com.vn best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cadisun.com.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

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cadisun.com.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 Cadisun.com.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 data is detected on the main page of CADI SUN. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: