Tools & Wizards About Us
dvdkynangmem.tin.vn screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dvdkynangmem.tin.vn

Page Load Speed

17.3 sec in total

First Response

1.3 sec

Resources Loaded

15.9 sec

Page Rendered

131 ms

dvdkynangmem.tin.vn screenshot

About Website

Click here to check amazing Dvdkynangmem Tin content for Vietnam. Otherwise, check out these important facts you probably never knew about dvdkynangmem.tin.vn

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Visit dvdkynangmem.tin.vn

Key Findings

We analyzed Dvdkynangmem.tin.vn page load time and found that the first response time was 1.3 sec and then it took 16 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

dvdkynangmem.tin.vn performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

dvdkynangmem.tin.vn

1258 ms

default.css

2686 ms

widget.css

1992 ms

util.js

1994 ms

slide_ads1.js

2005 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Dvdkynangmem.tin.vn, 44% (16 requests) were made to Web.tin.vn and 22% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (7.6 sec) relates to the external source Web.tin.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 48.2 kB (27%)

Content Size

179.2 kB

After Optimization

131.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dvdkynangmem.tin.vn main page is 179.2 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. 35% of websites need less resources to load. Images take 114.5 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 18.5 kB

  • Original 26.0 kB
  • After minification 25.9 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. 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 18.5 kB or 71% of the original size.

Image Optimization

-1%

Potential reduce by 1.0 kB

  • Original 114.5 kB
  • After minification 113.5 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. Dvdkynangmem Tin images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 6.0 kB

  • Original 10.4 kB
  • After minification 10.4 kB
  • After compression 4.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 6.0 kB or 58% of the original size.

CSS Optimization

-80%

Potential reduce by 22.7 kB

  • Original 28.3 kB
  • After minification 21.6 kB
  • After compression 5.6 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. Dvdkynangmem.tin.vn needs all CSS files to be minified and compressed as it can save up to 22.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (38%)

Requests Now

24

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dvdkynangmem Tin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dvdkynangmem.tin.vn

dvdkynangmem.tin.vn

1258 ms

default.css

default.css

2686 ms

widget.css

widget.css

1992 ms

util.js

util.js

1994 ms

slide_ads1.js

slide_ads1.js

2005 ms

all.js

all.js

268 ms

jquery.js

jquery.js

2348 ms

hoverIntent.js

hoverIntent.js

2124 ms

superfish.js

superfish.js

4570 ms

menu.css

menu.css

7255 ms

fixCss.js

fixCss.js

4603 ms

online

online

140 ms

home.png

home.png

2180 ms

blog.png

blog.png

4107 ms

elearning.png

elearning.png

2174 ms

dvdkynangmem.png

dvdkynangmem.png

5145 ms

menu-alt-32.png

menu-alt-32.png

5239 ms

dvd%20ky%20nang%20mem(1).jpg

dvd%20ky%20nang%20mem(1).jpg

6745 ms

142 ms

plusone.js

plusone.js

64 ms

xd_arbiter.php

xd_arbiter.php

236 ms

xd_arbiter.php

xd_arbiter.php

441 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

26 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

37 ms

fastbutton

fastbutton

89 ms

postmessageRelay

postmessageRelay

55 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

27 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

26 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

37 ms

rpc:shindig_random.js

rpc:shindig_random.js

43 ms

xZQOmYg4x3YaWkTJi1kErvesZW2xOQ-xsNqO47m55DA.woff

xZQOmYg4x3YaWkTJi1kErvesZW2xOQ-xsNqO47m55DA.woff

38 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

3 ms

tags.gif

tags.gif

7632 ms

like.php

like.php

196 ms

Dt46LmMjzaB.js

Dt46LmMjzaB.js

481 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

546 ms

Accessibility Review

dvdkynangmem.tin.vn accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

dvdkynangmem.tin.vn best practices score

75

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

dvdkynangmem.tin.vn SEO score

77

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

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

    N/A

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dvdkynangmem.tin.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Vietnamese. Our system also found out that Dvdkynangmem.tin.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

dvdkynangmem.tin.vn

Open Graph data is detected on the main page of Dvdkynangmem Tin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: