Tools & Wizards About Us
vicem.vn screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

vicem.vn

Tổng công ty xi măng Việt Nam VICEM

Page Load Speed

4.9 sec in total

First Response

1.5 sec

Resources Loaded

3.3 sec

Page Rendered

114 ms

vicem.vn screenshot

About Website

Click here to check amazing VICEM content for Vietnam. Otherwise, check out these important facts you probably never knew about vicem.vn

Website chính thức của Tổng công ty xi măng Việt Nam VICEM

Visit vicem.vn

Key Findings

We analyzed Vicem.vn page load time and found that the first response time was 1.5 sec and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

vicem.vn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

vicem.vn

1545 ms

style.css

842 ms

iepngfix_tilebg.js

564 ms

Flash.js

572 ms

jquery-1.4.2.js

1692 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Vicem.vn, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Vicem.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 206.2 kB (76%)

Content Size

270.8 kB

After Optimization

64.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vicem.vn main page is 270.8 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. Only 10% of websites need less resources to load. Javascripts take 203.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 33.4 kB

  • Original 41.6 kB
  • After minification 30.4 kB
  • After compression 8.2 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. This page needs HTML code to be minified as it can gain 11.2 kB, which is 27% 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 33.4 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 202 B

  • Original 3.1 kB
  • After minification 2.9 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. VICEM images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 154.3 kB

  • Original 203.6 kB
  • After minification 127.8 kB
  • After compression 49.2 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 154.3 kB or 76% of the original size.

CSS Optimization

-81%

Potential reduce by 18.3 kB

  • Original 22.6 kB
  • After minification 15.8 kB
  • After compression 4.3 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. Vicem.vn needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (67%)

Requests Now

21

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VICEM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vicem.vn

vicem.vn

1545 ms

style.css

style.css

842 ms

iepngfix_tilebg.js

iepngfix_tilebg.js

564 ms

Flash.js

Flash.js

572 ms

jquery-1.4.2.js

jquery-1.4.2.js

1692 ms

ddsmoothmenu.js

ddsmoothmenu.js

842 ms

collapseableDIV.js

collapseableDIV.js

569 ms

reset.css

reset.css

285 ms

ddsmoothmenu.css

ddsmoothmenu.css

286 ms

bgr_three.jpg

bgr_three.jpg

285 ms

vn.gif

vn.gif

287 ms

en.gif

en.gif

286 ms

icon_search.png

icon_search.png

289 ms

icon_home.png

icon_home.png

287 ms

icon_mail.png

icon_mail.png

563 ms

line.jpg

line.jpg

565 ms

expand.gif

expand.gif

566 ms

local.jpg

local.jpg

282 ms

local1.jpg

local1.jpg

282 ms

footer-bgr.gif

footer-bgr.gif

281 ms

ga.js

ga.js

25 ms

__utm.gif

__utm.gif

23 ms

Accessibility Review

vicem.vn accessibility score

93

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

Links do not have a discernible name

Best Practices

vicem.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

Missing source maps for large first-party JavaScript

SEO Factors

vicem.vn SEO score

93

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

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 Vicem.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 Vicem.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

vicem.vn

Open Graph description is not detected on the main page of VICEM. 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: