Tools & Wizards About Us
cadviet.vn screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

cadviet.vn

Diễn đàn - Diễn đàn CADViet

Page Load Speed

9.3 sec in total

First Response

1.4 sec

Resources Loaded

6 sec

Page Rendered

1.9 sec

cadviet.vn screenshot

About Website

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

Diễn đàn trao đổi về các phần mềm hô trợ thiết kế trên máy tính

Visit cadviet.vn

Key Findings

We analyzed Cadviet.vn page load time and found that the first response time was 1.4 sec and then it took 7.9 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

cadviet.vn performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

1409 ms

googlesearch.css

519 ms

ipb_help.css

525 ms

ipb_styles.css

561 ms

calendar_select.css

560 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cadviet.vn, 40% (39 requests) were made to I2.wp.com and 6% (6 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Gravatar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 506.5 kB (71%)

Content Size

717.4 kB

After Optimization

210.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cadviet.vn main page is 717.4 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. 50% of websites need less resources to load. Javascripts take 349.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 218.5 kB

  • Original 254.5 kB
  • After minification 219.2 kB
  • After compression 36.0 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 35.3 kB, which is 14% 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 218.5 kB or 86% of the original size.

Image Optimization

-16%

Potential reduce by 5.8 kB

  • Original 36.4 kB
  • After minification 30.5 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. Obviously, CADViet needs image optimization as it can save up to 5.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 221.5 kB

  • Original 349.2 kB
  • After minification 285.1 kB
  • After compression 127.6 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 221.5 kB or 63% of the original size.

CSS Optimization

-78%

Potential reduce by 60.6 kB

  • Original 77.3 kB
  • After minification 75.6 kB
  • After compression 16.7 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. Cadviet.vn needs all CSS files to be minified and compressed as it can save up to 60.6 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (46%)

Requests Now

97

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CADViet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

1409 ms

googlesearch.css

googlesearch.css

519 ms

ipb_help.css

ipb_help.css

525 ms

ipb_styles.css

ipb_styles.css

561 ms

calendar_select.css

calendar_select.css

560 ms

ipb_common.css

ipb_common.css

558 ms

prototype.js

prototype.js

99 ms

ipb.js

ipb.js

880 ms

scriptaculous.js

scriptaculous.js

158 ms

ipb.lang.js

ipb.lang.js

819 ms

x_similar.js

x_similar.js

550 ms

hidequangcao.js

hidequangcao.js

598 ms

effects.js

effects.js

53 ms

dragdrop.js

dragdrop.js

102 ms

builder.js

builder.js

104 ms

ips.quickpm.js

ips.quickpm.js

311 ms

ips.hovercard.js

ips.hovercard.js

339 ms

ips.board.js

ips.board.js

303 ms

ga.js

ga.js

340 ms

1852f08248759ed02ec29ff91a998098

1852f08248759ed02ec29ff91a998098

1564 ms

user_navigation.png

user_navigation.png

259 ms

facebook.png

facebook.png

267 ms

branding_bg.png

branding_bg.png

253 ms

logo.png

logo.png

258 ms

advanced_search.png

advanced_search.png

251 ms

search_icon.png

search_icon.png

247 ms

icon_quicknav.png

icon_quicknav.png

523 ms

useropts_arrow.png

useropts_arrow.png

527 ms

maintitle.png

maintitle.png

534 ms

cat_minimize.png

cat_minimize.png

562 ms

icon_expand_close.png

icon_expand_close.png

555 ms

f_icon_read.png

f_icon_read.png

571 ms

photo-thumb-117831.png

photo-thumb-117831.png

782 ms

subforum_stem.png

subforum_stem.png

788 ms

top.png

top.png

802 ms

feed.png

feed.png

848 ms

__utm.gif

__utm.gif

29 ms

itemnumber.js

itemnumber.js

663 ms

expandforum.js

expandforum.js

689 ms

showbanner.php

showbanner.php

881 ms

tenlop.js

tenlop.js

872 ms

popup_banner.js

popup_banner.js

889 ms

jsapi

jsapi

40 ms

autotag.js

autotag.js

928 ms

cadvietsearch.js

cadvietsearch.js

947 ms

gotiengviet.js

gotiengviet.js

984 ms

f269.js

f269.js

503 ms

default_large.png

default_large.png

102 ms

47c6fc4e6dc1b311d239e3c3b9fa751a

47c6fc4e6dc1b311d239e3c3b9fa751a

536 ms

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default_large.png

72 ms

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44 ms

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43 ms

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67 ms

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68 ms

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38 ms

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43 ms

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50 ms

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43 ms

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48 ms

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36 ms

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37 ms

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33 ms

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31 ms

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71 ms

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51 ms

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53 ms

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default_large.png

49 ms

320x80_khaigiang.gif

320x80_khaigiang.gif

338 ms

default_large.png

default_large.png

129 ms

default_large.png

default_large.png

91 ms

default_large.png

default_large.png

87 ms

default_large.png

default_large.png

91 ms

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73 ms

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76 ms

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75 ms

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79 ms

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80 ms

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79 ms

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80 ms

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55 ms

59 ms

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39 ms

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39 ms

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36 ms

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46 ms

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41 ms

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35 ms

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37 ms

default_large.png

default_large.png

35 ms

default+vi.css

default+vi.css

32 ms

default+vi.I.js

default+vi.I.js

142 ms

eduicon.gif

eduicon.gif

264 ms

320x80_khaigiang.gif

320x80_khaigiang.gif

267 ms

async-ads.js

async-ads.js

111 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

96 ms

small-logo.png

small-logo.png

66 ms

close.png

close.png

262 ms

minimize.png

minimize.png

265 ms

Accessibility Review

cadviet.vn accessibility score

78

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

cadviet.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

SEO Factors

cadviet.vn SEO score

75

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

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cadviet.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Cadviet.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

cadviet.vn

Open Graph data is detected on the main page of CADViet. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: