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congnghemang.vn screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

congnghemang.vn

Nhà tư vấn giải pháp phòng họp, hệ thống hội nghị truyền hình, họp trực tuyến tích hợp

Page Load Speed

7.9 sec in total

First Response

824 ms

Resources Loaded

6.9 sec

Page Rendered

252 ms

congnghemang.vn screenshot

About Website

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

Phân phối thiết bị: | Giải pháp | Hội nghị truyền hình | Họp trực tuyến | Aver | Cisco Collaboration | Firewall Fortinet Fortigate

Visit congnghemang.vn

Key Findings

We analyzed Congnghemang.vn page load time and found that the first response time was 824 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

congnghemang.vn performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

congnghemang.vn

824 ms

style.css

245 ms

reset.css

483 ms

nivoslider.css

488 ms

slimbox.css

490 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 56% of them (69 requests) were addressed to the original Congnghemang.vn, 8% (10 requests) were made to Static.xx.fbcdn.net and 8% (10 requests) were made to Sync.crwdcntrl.net. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Congnghemang.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 947.7 kB (27%)

Content Size

3.5 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Congnghemang.vn main page is 3.5 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. 65% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 51.9 kB

  • Original 61.3 kB
  • After minification 49.3 kB
  • After compression 9.4 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 12.0 kB, which is 20% 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 51.9 kB or 85% of the original size.

Image Optimization

-27%

Potential reduce by 856.6 kB

  • Original 3.2 MB
  • After minification 2.4 MB

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. Obviously, Congnghemang needs image optimization as it can save up to 856.6 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 38.4 kB

  • Original 226.6 kB
  • After minification 226.6 kB
  • After compression 188.2 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 38.4 kB or 17% of the original size.

CSS Optimization

-16%

Potential reduce by 790 B

  • Original 4.9 kB
  • After minification 4.8 kB
  • After compression 4.1 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. Congnghemang.vn needs all CSS files to be minified and compressed as it can save up to 790 B or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (41%)

Requests Now

115

After Optimization

68

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Congnghemang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

congnghemang.vn

congnghemang.vn

824 ms

style.css

style.css

245 ms

reset.css

reset.css

483 ms

nivoslider.css

nivoslider.css

488 ms

slimbox.css

slimbox.css

490 ms

global.css

global.css

489 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

734 ms

jquery.carouFredSel-6.2.1-packed.js

jquery.carouFredSel-6.2.1-packed.js

743 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

724 ms

global.js

global.js

731 ms

jquery.elevateZoom-3.0.8.min.js

jquery.elevateZoom-3.0.8.min.js

742 ms

jquery-ui-1.10.1.custom.js

jquery-ui-1.10.1.custom.js

1464 ms

jquery.tooltip.js

jquery.tooltip.js

968 ms

analytics.js

analytics.js

36 ms

bianary_data.jpg

bianary_data.jpg

972 ms

menu_page.png

menu_page.png

246 ms

field_top_title.png

field_top_title.png

247 ms

lv1_icon.png

lv1_icon.png

244 ms

index.php

index.php

266 ms

index.php

index.php

259 ms

index.php

index.php

507 ms

index.php

index.php

527 ms

index.php

index.php

518 ms

san-dat-nen-online-png.png

san-dat-nen-online-png.png

747 ms

logosantour.jpg

logosantour.jpg

1043 ms

js15_as.js

js15_as.js

42 ms

opi.jpg

opi.jpg

20 ms

skype.png

skype.png

716 ms

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ban_phan_phoi_thiet_bi_he_thong_hoi_nghi_truyen_hinh_aver_svc100_svc500.jpg

732 ms

ban_phan_phoi_thiet_bi_hoi_nghi_truyen_hinh_aver_evc350.png

ban_phan_phoi_thiet_bi_hoi_nghi_truyen_hinh_aver_evc350.png

1958 ms

aver-vc520-ban-phan-phoi-chinh-hang-gia-re-hcm.jpg

aver-vc520-ban-phan-phoi-chinh-hang-gia-re-hcm.jpg

1444 ms

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ban-phan-phoi-thiet-bi-switch-allied-telesis-at-gs950-24.png

1677 ms

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ban-phan-phoi-thiet-bi-switch-allied-telesis-fs708le.png

977 ms

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ban-phan-phoi-thiet-bi-switch-allied-telesis-at-fs75028.png

1667 ms

fg-100d-1-.jpg

fg-100d-1-.jpg

1223 ms

fg-60d-bdl-firewall-fortinet-fortigate-ban-phan-phoi-chinh-hang-gia-re-hcm.jpg

fg-60d-bdl-firewall-fortinet-fortigate-ban-phan-phoi-chinh-hang-gia-re-hcm.jpg

1500 ms

loading.gif

loading.gif

1470 ms

index.php

index.php

1696 ms

index.php

index.php

1731 ms

index.php

index.php

1762 ms

index.php

index.php

1926 ms

index.php

index.php

1934 ms

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ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_300e_bdl.png

2185 ms

index.php

index.php

1996 ms

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_300e.png

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_300e.png

2743 ms

index.php

index.php

2181 ms

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_200e_bdl.jpg

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_200e_bdl.jpg

2176 ms

index.php

index.php

2217 ms

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_200e.jpg

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_200e.jpg

2241 ms

index.php

index.php

2430 ms

100ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg_100e_bdl.jpg

100ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg_100e_bdl.jpg

2426 ms

index.php

index.php

2442 ms

likebox.php

likebox.php

369 ms

collect

collect

24 ms

2854386.php

2854386.php

89 ms

js

js

59 ms

cc_3019.js

cc_3019.js

26 ms

230 ms

100ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_e.jpg

100ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_e.jpg

2501 ms

index.php

index.php

2291 ms

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg90e_bdl.png

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg90e_bdl.png

2466 ms

index.php

index.php

2466 ms

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ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg90e.png

2458 ms

206 ms

afwu.js

afwu.js

107 ms

385 ms

t.dhj

t.dhj

35 ms

H-dzIhlMmdE.css

H-dzIhlMmdE.css

19 ms

yIjtuov5zK5.js

yIjtuov5zK5.js

28 ms

o1ndYS2og_B.js

o1ndYS2og_B.js

46 ms

4Dr55_uVn75.js

4Dr55_uVn75.js

48 ms

GGJYiuJ569H.js

GGJYiuJ569H.js

52 ms

Glud--w-qOK.js

Glud--w-qOK.js

47 ms

_eawcKGGOQC.js

_eawcKGGOQC.js

47 ms

p55HfXW__mM.js

p55HfXW__mM.js

46 ms

305626509_775145127092263_8252661551524456843_n.jpg

305626509_775145127092263_8252661551524456843_n.jpg

100 ms

YnyA8SYgYgp.js

YnyA8SYgYgp.js

7 ms

292399698_3049758578577976_7829370534486561919_n.jpg

292399698_3049758578577976_7829370534486561919_n.jpg

112 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

17 ms

t_.htm

t_.htm

17 ms

index.php

index.php

2290 ms

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg80e_1.jpg

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg80e_1.jpg

2440 ms

index.php

index.php

2459 ms

lt.min.js

lt.min.js

20 ms

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg80e.jpg

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_fg80e.jpg

2219 ms

index.php

index.php

2259 ms

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_60e_bdl.png

ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_60e_bdl.png

2260 ms

index.php

index.php

2088 ms

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ban_phan_phoi_thiet_bi_firewall_fortinet_fortigate_60e.png

2194 ms

index.php

index.php

2174 ms

ban-phan-phoi-thiet-bi-hoi-nghi-truyen-hinh-panasonic-kx-vca002x-digital-mic.jpg

ban-phan-phoi-thiet-bi-hoi-nghi-truyen-hinh-panasonic-kx-vca002x-digital-mic.jpg

1974 ms

index.php

index.php

1790 ms

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ban-phan-phoi-thiet-bi-hoi-nghi-truyen-hinh-panasonic-vcaex01.jpg

1769 ms

index.php

index.php

1783 ms

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ban-phan-phoi-thiet-bi-hoi-nghi-truyen-hinh-panasonic-gp-vd131.jpg

1751 ms

optimus_rules.json

optimus_rules.json

5 ms

arrows.png

arrows.png

269 ms

data

data

100 ms

lt.iframe.html

lt.iframe.html

2 ms

pixels

pixels

8 ms

sync

sync

150 ms

lotame

lotame

210 ms

image.sbxx

image.sbxx

355 ms

utsync.ashx

utsync.ashx

208 ms

sync.gif

sync.gif

187 ms

g.json

g.json

176 ms

pixel

pixel

186 ms

qmap

qmap

62 ms

generic

generic

34 ms

pixel

pixel

32 ms

gdpr=0

gdpr=0

42 ms

pixel

pixel

31 ms

tpid=c11d1dbba2d6fda78eea62cd9195f5e6

tpid=c11d1dbba2d6fda78eea62cd9195f5e6

35 ms

41715

41715

37 ms

gdpr_consent=

gdpr_consent=

44 ms

gdpr=0

gdpr=0

36 ms

qmap

qmap

30 ms

gdpr=0&_test=Zs1RjwAIzy66OgAJ

gdpr=0&_test=Zs1RjwAIzy66OgAJ

29 ms

gdpr_consent=

gdpr_consent=

13 ms

generic

generic

10 ms

rand=414460269

rand=414460269

15 ms

tpid=06952cba-d82e-452b-8b63-adf302dd1d63

tpid=06952cba-d82e-452b-8b63-adf302dd1d63

19 ms

image.sbxx

image.sbxx

235 ms

generic

generic

3 ms

Accessibility Review

congnghemang.vn accessibility score

71

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

Links do not have a discernible name

Best Practices

congnghemang.vn best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

congnghemang.vn SEO score

54

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

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

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

congnghemang.vn

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