Tools & Wizards About Us

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

idvlcm.zing.vn

Vo lam chi mong - Webgame Vo lam chi mong - Web game kiem hiep hay 2011

Page Load Speed

4.5 sec in total

First Response

656 ms

Resources Loaded

3.8 sec

Page Rendered

60 ms

About Website

Welcome to idvlcm.zing.vn homepage info - get ready to check Idvlcm Zing best content for Vietnam right away, or after learning these important things about idvlcm.zing.vn

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Visit idvlcm.zing.vn

Key Findings

We analyzed Idvlcm.zing.vn page load time and found that the first response time was 656 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

idvlcm.zing.vn performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

idvlcm.zing.vn

656 ms

id.vlcm.360game.vn

701 ms

login-game-minilauncher

276 ms

style.css

251 ms

idlogin.css

463 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Idvlcm.zing.vn, 93% (13 requests) were made to Id.vlcm.360game.vn. The less responsive or slowest element that took the longest time to load (714 ms) relates to the external source Id.vlcm.360game.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.2 kB (19%)

Content Size

71.1 kB

After Optimization

57.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Idvlcm.zing.vn main page is 71.1 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. 15% of websites need less resources to load. Javascripts take 51.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 4.0 kB

  • Original 5.4 kB
  • After minification 3.5 kB
  • After compression 1.4 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 1.9 kB, which is 35% 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 4.0 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 10 B

  • Original 8.5 kB
  • After minification 8.5 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. Idvlcm Zing images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 7.4 kB

  • Original 51.2 kB
  • After minification 51.2 kB
  • After compression 43.8 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 7.4 kB or 14% of the original size.

CSS Optimization

-30%

Potential reduce by 1.8 kB

  • Original 5.9 kB
  • After minification 5.9 kB
  • After compression 4.2 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. Idvlcm.zing.vn needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Idvlcm Zing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

idvlcm.zing.vn accessibility score

66

Accessibility Issues

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

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

Form elements do not have associated labels

Best Practices

idvlcm.zing.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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

idvlcm.zing.vn SEO score

75

Search Engine Optimization Advices

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 Idvlcm.zing.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 Idvlcm.zing.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 Idvlcm Zing. 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: