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Report Summary

39
Performance

Renders faster than 58% of other websites
52
Accessibility

Visual factors better than that of 21% of websites
75
Best Practices

More advanced features available than in 35% of websites
54
SEO

Google-friendlier than 19% of websites

vietson.com Play Co Tuong Online | Chinese Chess Online | Xiangqi Online at VIETSON

Page Load Speed

26.6 sec in total

First Response

93 ms

Resources Loaded

13.9 sec

Page Rendered

12.7 sec

About Website

Welcome to vietson.com homepage info - get ready to check VIETSON best content for Vietnam right away, or after learning these important things about vietson.com

This is the best free Co Tuong or Xiangqi, aka Chinese Chess website on the Internet. You can find the Best Chinese Chess players from all over the world from here at vietson.com. Vietson also has oth...

Visit vietson.com

Key Findings

We analyzed Vietson.com page load time and found that the first response time was 93 ms and then it took 26.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

vietson.com performance score

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value3,090 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

vietson.com

93 ms

www.vietson.com

237 ms

cfmessage.js

383 ms

cfajax.js

430 ms

vs.css

379 ms

View All Requests

Our browser made a total of 40 requests to load all elements on the main page. We found that 38% of them (15 requests) were addressed to the original Vietson.com, 18% (7 requests) were made to Apis.google.com and 15% (6 requests) were made to S3.vietson.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Apis.google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 596.3 kB (41%)

Content Size

1.5 MB

After Optimization

858.0 kB

HTML
Images
JavaScript
CSS

In fact, the total size of Vietson.com main page is 1.5 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. 60% of websites need less resources to load. Javascripts take 827.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 46.0 kB

Original 58.3 kB
After minification 54.3 kB
After compression 12.4 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. 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 46.0 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 14.4 kB

Original 555.2 kB
After minification 540.8 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. VIETSON images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 525.8 kB

Original 827.7 kB
After minification 822.0 kB
After compression 301.9 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 525.8 kB or 64% of the original size.

CSS Optimization

-77%

Potential reduce by 10.1 kB

Original 13.1 kB
After minification 11.0 kB
After compression 2.9 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. Vietson.com needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (54%)

Requests Now

After Optimization

AJAX
Images
JavaScript
CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VIETSON. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vietson.com

93 ms

www.vietson.com

237 ms

cfmessage.js

383 ms

cfajax.js

430 ms

vs.css

379 ms

style.css

358 ms

addthis_widget.js

1110 ms

slide0.js

1110 ms

urchin.js

393 ms

vietson.png

527 ms

soltran71.jpg

525 ms

ios.png

546 ms

android.png

546 ms

bg.png

544 ms

spacer.gif

544 ms

banner_square.png

545 ms

_0026.png

306 ms

male.gif

305 ms

up.png

333 ms

_0009.png

334 ms

go.gif

309 ms

tell_a_friend.jpg

308 ms

lg-share-en.gif

309 ms

plusone.js

2611 ms

cb=gapi.loaded_0

194 ms

cb=gapi.loaded_1

166 ms

fastbutton

252 ms

loading.gif

147 ms

VSGeneral.cfc

118 ms

rs=AGLTcCOnDxwX8-LbpDmaxOBIoHm7W_kGNA

107 ms

postmessageRelay

963 ms

971028622-postmessagerelay.js

790 ms

rpc:shindig_random.js

644 ms

logo_timhop_no_beta_35.png

267 ms

__utm.gif

313 ms

ga.js

935 ms

cb=gapi.loaded_0

71 ms

__utm.gif

1540 ms

_ate.track.config_resp

516 ms

300lo.json

262 ms

Accessibility Review

vietson.com accessibility score

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

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

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

Best Practices

vietson.com best practices score

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

vietson.com SEO score

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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

High

Document uses plugins

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vietson.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vietson.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

vietson.com

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

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