Tools & Wizards About Us

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dienchan.com

Diện chẩn - Diện Chẩn Bùi Quốc châu - Diện chẩn việt - Bùi Quốc Châu

Page Load Speed

12.6 sec in total

First Response

1.2 sec

Resources Loaded

9.9 sec

Page Rendered

1.4 sec

About Website

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

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Visit dienchan.com

Key Findings

We analyzed Dienchan.com page load time and found that the first response time was 1.2 sec and then it took 11.4 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

dienchan.com performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value39.5 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value6,080 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.455

20/100

15%

TTI (Time to Interactive)

Value30.0 s

0/100

10%

Network Requests Diagram

dienchan.com

1229 ms

animate.min.css

455 ms

bootstrap.css

691 ms

all.css

709 ms

mmenu.css

714 ms

Our browser made a total of 148 requests to load all elements on the main page. We found that 70% of them (104 requests) were addressed to the original Dienchan.com, 12% (18 requests) were made to Img.youtube.com and 4% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Dienchan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 975.2 kB (11%)

Content Size

8.9 MB

After Optimization

7.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dienchan.com main page is 8.9 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. Only a small number of websites need less resources to load. Images take 8.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 97.1 kB

  • Original 120.2 kB
  • After minification 103.6 kB
  • After compression 23.1 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 16.6 kB, which is 14% 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 97.1 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 823.1 kB

  • Original 8.0 MB
  • After minification 7.2 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. Dienchan images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 37.5 kB

  • Original 639.9 kB
  • After minification 639.8 kB
  • After compression 602.4 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

-11%

Potential reduce by 17.6 kB

  • Original 166.6 kB
  • After minification 166.5 kB
  • After compression 149.0 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. Dienchan.com needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (45%)

Requests Now

136

After Optimization

75

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 136 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dienchan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dienchan.com accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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

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

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.

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

dienchan.com 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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dienchan.com SEO score

91

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Dienchan.com 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 Dienchan.com 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 Dienchan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: