Tools & Wizards About Us
vattuvienthong.com.vn screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

vattuvienthong.com.vn

Viễn Thông Sao Nam: viễn thông,mua bán thiết bị viễn thông,vật tư viễn thông,đĩa, băng, ổ ghi cước, acquy,cáp mạng, máy đo quang, hệ thống mạng, thi c...

Page Load Speed

19.8 sec in total

First Response

2.3 sec

Resources Loaded

17.2 sec

Page Rendered

330 ms

vattuvienthong.com.vn screenshot

About Website

Visit vattuvienthong.com.vn now to see the best up-to-date Vattuvienthong content and also check out these interesting facts you probably never knew about vattuvienthong.com.vn

Viễn Thông Sao Nam - Mua bán điện thoại, laptop, máy ảnh, máy nghe nhạc MP3, xem phim MP4 và dịch vụ GTGT

Visit vattuvienthong.com.vn

Key Findings

We analyzed Vattuvienthong.com.vn page load time and found that the first response time was 2.3 sec and then it took 17.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

vattuvienthong.com.vn performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,800 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

vattuvienthong.com.vn

2269 ms

default.aspx

1103 ms

Default.css

1133 ms

link.css

732 ms

phantrang.css

741 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that all of those requests were addressed to Vattuvienthong.com.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Vattuvienthong.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.6 kB (23%)

Content Size

341.7 kB

After Optimization

263.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vattuvienthong.com.vn main page is 341.7 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. 25% of websites need less resources to load. Images take 259.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 59.4 kB

  • Original 68.9 kB
  • After minification 62.3 kB
  • After compression 9.5 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 59.4 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 13.6 kB

  • Original 259.2 kB
  • After minification 245.6 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. Vattuvienthong images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 3.1 kB

  • Original 7.5 kB
  • After minification 7.4 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 3.1 kB or 41% of the original size.

CSS Optimization

-41%

Potential reduce by 2.5 kB

  • Original 6.1 kB
  • After minification 6.1 kB
  • After compression 3.6 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. Vattuvienthong.com.vn needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (9%)

Requests Now

65

After Optimization

59

  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vattuvienthong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vattuvienthong.com.vn

vattuvienthong.com.vn

2269 ms

default.aspx

default.aspx

1103 ms

Default.css

Default.css

1133 ms

link.css

link.css

732 ms

phantrang.css

phantrang.css

741 ms

tabcontent.css

tabcontent.css

4910 ms

chrome.js

chrome.js

1163 ms

func.js

func.js

1151 ms

scroller.js

scroller.js

1155 ms

Menu.js

Menu.js

4967 ms

bg.jpg

bg.jpg

440 ms

banner.jpg

banner.jpg

2266 ms

banner1.gif

banner1.gif

2642 ms

_dot12.gif

_dot12.gif

444 ms

d1.jpg

d1.jpg

3742 ms

SPxipP_20141002_082005%20copy.jpg

SPxipP_20141002_082005%20copy.jpg

2678 ms

SPtih20170531_134335%20copy.jpg

SPtih20170531_134335%20copy.jpg

2124 ms

SPodrIMG_0468.JPG

SPodrIMG_0468.JPG

1119 ms

SPrhfP_20141209_114950_NT%20copy.jpg

SPrhfP_20141209_114950_NT%20copy.jpg

2428 ms

SPgqmBrother%20PT-P900W.jpg

SPgqmBrother%20PT-P900W.jpg

3530 ms

SPcikP_20140927_105516%20copy.jpg

SPcikP_20140927_105516%20copy.jpg

4993 ms

SPzdnSC-APC%20copy.jpg

SPzdnSC-APC%20copy.jpg

2823 ms

SPsfhIMG_20150713_154914%20copy.jpg

SPsfhIMG_20150713_154914%20copy.jpg

3020 ms

SPrdgMay_han_cap_quang_Swift_K9.png

SPrdgMay_han_cap_quang_Swift_K9.png

3059 ms

SPxkz20191229_T%E1%BA%A3i%20gi%E1%BA%A3.jpg

SPxkz20191229_T%E1%BA%A3i%20gi%E1%BA%A3.jpg

3211 ms

SPotg20191204_Hioky%203554%20a.jpg

SPotg20191204_Hioky%203554%20a.jpg

3426 ms

SPqqySAM_1378.JPG

SPqqySAM_1378.JPG

3432 ms

SPdfq20170531_095007%20copy.jpg

SPdfq20170531_095007%20copy.jpg

5020 ms

SPgkjNgu%E1%BB%93ng%20SN12V-1.5A.jpg

SPgkjNgu%E1%BB%93ng%20SN12V-1.5A.jpg

5647 ms

SPobbxtend-climb-770p.jpg

SPobbxtend-climb-770p.jpg

3803 ms

SPrsfnikita-56AI.jpg

SPrsfnikita-56AI.jpg

3914 ms

SPlkgnk-32-new.jpg

SPlkgnk-32-new.jpg

4160 ms

SPpeuNgu%E1%BB%93n%2012V-1.jpg

SPpeuNgu%E1%BB%93n%2012V-1.jpg

4179 ms

SPo%5ByNgu%E1%BB%93n%20SN%2012V-2A.jpg

SPo%5ByNgu%E1%BB%93n%20SN%2012V-2A.jpg

4300 ms

SPognmangxong.jpg

SPognmangxong.jpg

4934 ms

SPsgr%C4%90K%20MY%20TV%20ZTE%201.jpg

SPsgr%C4%90K%20MY%20TV%20ZTE%201.jpg

4560 ms

SPzhfSAM_1578.JPG

SPzhfSAM_1578.JPG

4692 ms

SPrwxbrh1310460111.jpg

SPrwxbrh1310460111.jpg

5620 ms

SPxiuIMG263.jpg

SPxiuIMG263.jpg

5061 ms

SPdodODF%201FO%20Mini%203%20-%20Copy.jpg

SPdodODF%201FO%20Mini%203%20-%20Copy.jpg

5309 ms

SPoiiSAM_2045.JPG

SPoiiSAM_2045.JPG

5343 ms

SPnesSAM_1983.JPG

SPnesSAM_1983.JPG

5398 ms

SPufeSAM_1986.JPG

SPufeSAM_1986.JPG

5419 ms

SPnxfSAM_1992.JPG

SPnxfSAM_1992.JPG

5670 ms

SPtvpSAM_1990.JPG

SPtvpSAM_1990.JPG

5695 ms

SPpfuSAM_1475.JPG

SPpfuSAM_1475.JPG

8000 ms

SPjcuSAM_1994.JPG

SPjcuSAM_1994.JPG

5340 ms

SPplbIMG_0511.JPG

SPplbIMG_0511.JPG

5228 ms

SPhpgSAM_1999.JPG

SPhpgSAM_1999.JPG

4989 ms

SPkhn601-%E1%BB%91ng%20co%20nhi%E1%BB%87t.jpg

SPkhn601-%E1%BB%91ng%20co%20nhi%E1%BB%87t.jpg

4015 ms

SPuzg005A-Adapter%20c%C3%A1c%20lo%E1%BA%A1i.bmp

SPuzg005A-Adapter%20c%C3%A1c%20lo%E1%BA%A1i.bmp

3875 ms

SPrdm316A-B%E1%BA%A3ng%20%C4%91%E1%BB%93ng%20ti%E1%BA%BFp%20%C4%91%E1%BA%A5t.jpg

SPrdm316A-B%E1%BA%A3ng%20%C4%91%E1%BB%93ng%20ti%E1%BA%BFp%20%C4%91%E1%BA%A5t.jpg

4380 ms

SPwyd315-C%E1%BB%8Dc,%20k%E1%BA%B9p%20ti%E1%BA%BFp%20%C4%91%E1%BA%A5t%20m%E1%BA%A1%20%C4%91%E1%BB%93ng.jpg

SPwyd315-C%E1%BB%8Dc,%20k%E1%BA%B9p%20ti%E1%BA%BFp%20%C4%91%E1%BA%A5t%20m%E1%BA%A1%20%C4%91%E1%BB%93ng.jpg

3719 ms

SPzfy%E1%BB%91ng%20%C4%91%E1%BB%93ng.jpg

SPzfy%E1%BB%91ng%20%C4%91%E1%BB%93ng.jpg

3797 ms

search_btn.gif

search_btn.gif

3681 ms

ymonline.gif

ymonline.gif

6632 ms

dst.jpg

dst.jpg

3696 ms

goladi.gif

goladi.gif

4395 ms

thegioiceo200x80.gif

thegioiceo200x80.gif

5109 ms

LKG_200x80.jpg

LKG_200x80.jpg

3678 ms

phanmemvietnam.gif

phanmemvietnam.gif

3677 ms

xembando.gif

xembando.gif

3750 ms

web1080.gif

web1080.gif

4440 ms

icon_visited-1.jpg

icon_visited-1.jpg

3930 ms

icon_visited.gif

icon_visited.gif

3802 ms

menu.gif

menu.gif

4022 ms

bg_main_nav.gif

bg_main_nav.gif

4077 ms

Accessibility Review

vattuvienthong.com.vn accessibility score

59

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.

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

Image elements do not have [alt] attributes

High

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

High

Links do not have a discernible name

Best Practices

vattuvienthong.com.vn best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

vattuvienthong.com.vn SEO score

69

Search Engine Optimization Advices

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

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 Vattuvienthong.com.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 Vattuvienthong.com.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

vattuvienthong.com.vn

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