Tools & Wizards About Us
cen.vn screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

cen.vn

Dự án Saigon Village Long Hậu - Chủ đầu tư Saigon Village

Page Load Speed

1.2 sec in total

First Response

450 ms

Resources Loaded

581 ms

Page Rendered

126 ms

cen.vn screenshot

About Website

Click here to check amazing Cen content. Otherwise, check out these important facts you probably never knew about cen.vn

Bán lại gấp đất nền dự án Saigon Village Long Hậu, vị trí rất đẹp, diện tích 5x16, đường 16m, giá 820tr

Visit cen.vn

Key Findings

We analyzed Cen.vn page load time and found that the first response time was 450 ms and then it took 707 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

cen.vn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value11.6 s

5/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

cen.vn

450 ms

domain-sale.jpg

120 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Cen.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (450 ms) belongs to the original domain Cen.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 159 B (1%)

Content Size

20.2 kB

After Optimization

20.0 kB

  • HTML
  • Images

In fact, the total size of Cen.vn main page is 20.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 19.7 kB which makes up the majority of the site volume.

HTML Optimization

-32%

Potential reduce by 155 B

  • Original 483 B
  • After minification 474 B
  • After compression 328 B

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 155 B or 32% of the original size.

Image Optimization

-0%

Potential reduce by 4 B

  • Original 19.7 kB
  • After minification 19.7 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. Cen images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • Images

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cen. According to our analytics all requests are already optimized.

Network Requests Diagram

cen.vn

cen.vn

450 ms

domain-sale.jpg

domain-sale.jpg

120 ms

Accessibility Review

cen.vn accessibility score

94

Accessibility Issues

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

cen.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cen.vn SEO score

88

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cen.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 Cen.vn main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cen.vn

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