Tools & Wizards About Us
123docz.net screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    40% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

123docz.net

123doc | Cộng đồng chia sẻ, upload, download sách, giáo án điện tử, bài giảng điện tử và e-book, tài

Page Load Speed

27 sec in total

First Response

997 ms

Resources Loaded

18.6 sec

Page Rendered

7.4 sec

123docz.net screenshot

About Website

Visit 123docz.net now to see the best up-to-date 123doc Z content for Vietnam and also check out these interesting facts you probably never knew about 123docz.net

123doc Cộng đồng chia sẻ, upload, upload sách, upload tài liệu , download sách, giáo án điện tử, bài giảng điện tử và e-book , tài liệu trực tuyến hàng đầu Việt Nam, tài liệu về tất cả các lĩnh vực ki...

Visit 123docz.net

Key Findings

We analyzed 123docz.net page load time and found that the first response time was 997 ms and then it took 26 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

123docz.net performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value4,230 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

trang-chu.htm

997 ms

index.min.css

875 ms

jquery-3.5.1.min.js

1178 ms

lazyload.min.js

1005 ms

client

146 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original 123docz.net, 60% (38 requests) were made to Media.store123doc.com and 11% (7 requests) were made to Static.store123doc.com. The less responsive or slowest element that took the longest time to load (15.7 sec) relates to the external source Media.store123doc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 244.8 kB (39%)

Content Size

625.8 kB

After Optimization

381.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 123docz.net main page is 625.8 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. 70% of websites need less resources to load. Images take 298.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 198.4 kB

  • Original 229.6 kB
  • After minification 167.7 kB
  • After compression 31.2 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 61.9 kB, which is 27% 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 198.4 kB or 86% of the original size.

Image Optimization

-15%

Potential reduce by 45.9 kB

  • Original 298.9 kB
  • After minification 253.0 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, 123doc Z needs image optimization as it can save up to 45.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 256 B

  • Original 65.2 kB
  • After minification 65.2 kB
  • After compression 64.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 234 B

  • Original 32.1 kB
  • After minification 32.1 kB
  • After compression 31.8 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. 123docz.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (24%)

Requests Now

59

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 123doc Z. 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

trang-chu.htm

trang-chu.htm

997 ms

index.min.css

index.min.css

875 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

1178 ms

lazyload.min.js

lazyload.min.js

1005 ms

client

client

146 ms

jquery.autocomplete.min.js

jquery.autocomplete.min.js

1007 ms

js.template.min.js

js.template.min.js

1007 ms

script.min.js

script.min.js

1681 ms

function-js.min.js

function-js.min.js

1058 ms

api.js

api.js

105 ms

js

js

132 ms

cunghocvuidesktop-min2.jpg

cunghocvuidesktop-min2.jpg

2591 ms

event_upload.png

event_upload.png

15659 ms

user_small.png

user_small.png

1859 ms

tiny_rtu1441534358.jpg

tiny_rtu1441534358.jpg

1819 ms

tiny_tuk1665913545.jpg

tiny_tuk1665913545.jpg

1848 ms

tiny_ujc1665115175.jpg

tiny_ujc1665115175.jpg

1809 ms

tiny_jse1440260247.jpg

tiny_jse1440260247.jpg

2459 ms

tiny_gpg1405610651.jpg

tiny_gpg1405610651.jpg

2458 ms

tiny_djn1665452687.jpg

tiny_djn1665452687.jpg

2457 ms

tiny_uhu1432510161.jpg

tiny_uhu1432510161.jpg

2455 ms

tiny_jgx1647925111.jpeg

tiny_jgx1647925111.jpeg

2457 ms

tiny_shb1415719558.jpg

tiny_shb1415719558.jpg

2456 ms

tiny_inm1411322499.jpg

tiny_inm1411322499.jpg

2456 ms

tiny_lmd1415001054.jpg

tiny_lmd1415001054.jpg

2456 ms

gtm.js

gtm.js

808 ms

medium_tv4tb4hnQd6VvKA58la8zr2Gb.jpg

medium_tv4tb4hnQd6VvKA58la8zr2Gb.jpg

1448 ms

medium_vHhUi78jbhWBSPmZCl9JJ2dkN.jpg

medium_vHhUi78jbhWBSPmZCl9JJ2dkN.jpg

1420 ms

medium_hzx1346985086.png

medium_hzx1346985086.png

2195 ms

medium_Q3K0K43nSvEBrSjR0iRMBXbvd.jpg

medium_Q3K0K43nSvEBrSjR0iRMBXbvd.jpg

1579 ms

medium_tln1347441623.png

medium_tln1347441623.png

1907 ms

medium_rqw1351678107.png

medium_rqw1351678107.png

2270 ms

medium_RZ30ESFjk4xSC4Ku6I4Z6KkAy.jpg

medium_RZ30ESFjk4xSC4Ku6I4Z6KkAy.jpg

1825 ms

medium_ooi1345852530.png

medium_ooi1345852530.png

2347 ms

medium_fgt1346986393.png

medium_fgt1346986393.png

2270 ms

medium_ssw1348565341.png

medium_ssw1348565341.png

2364 ms

medium_vcl1377232085.jpg

medium_vcl1377232085.jpg

2272 ms

medium_ymh1372536038.jpg

medium_ymh1372536038.jpg

2347 ms

medium_owi1359771746.jpg

medium_owi1359771746.jpg

2363 ms

medium_anf1363593448.jpg

medium_anf1363593448.jpg

2537 ms

medium_gal1395830511.jpg

medium_gal1395830511.jpg

2537 ms

medium_zxx1363754012.jpg

medium_zxx1363754012.jpg

2588 ms

medium_kqj1351070375.png

medium_kqj1351070375.png

2980 ms

medium_glu1365755682.jpg

medium_glu1365755682.jpg

2614 ms

medium_rni1382368572.jpg

medium_rni1382368572.jpg

2666 ms

medium_mhj1367896089.jpg

medium_mhj1367896089.jpg

2685 ms

medium_zrf1367836098.jpg

medium_zrf1367836098.jpg

2767 ms

medium_lac1367547057.jpg

medium_lac1367547057.jpg

2797 ms

recaptcha__vi.js

recaptcha__vi.js

791 ms

analytics.js

analytics.js

695 ms

medium_msn1372523723.jpg

medium_msn1372523723.jpg

2117 ms

medium_wgx1373436158.jpg

medium_wgx1373436158.jpg

2835 ms

anchor

anchor

192 ms

styles__ltr.css

styles__ltr.css

244 ms

recaptcha__vi.js

recaptcha__vi.js

250 ms

collect

collect

414 ms

webworker.js

webworker.js

210 ms

logo_48.png

logo_48.png

99 ms

collect

collect

343 ms

KFOmCnqEu92Fr1Mu7WxP.ttf

KFOmCnqEu92Fr1Mu7WxP.ttf

209 ms

KFOlCnqEu92Fr1MmEU9fCxc9.ttf

KFOlCnqEu92Fr1MmEU9fCxc9.ttf

215 ms

KFOlCnqEu92Fr1MmYUtfCxc9.ttf

KFOlCnqEu92Fr1MmYUtfCxc9.ttf

269 ms

recaptcha__vi.js

recaptcha__vi.js

171 ms

Accessibility Review

123docz.net accessibility score

83

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

123docz.net 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

123docz.net SEO score

91

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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 123docz.net 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 123docz.net 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

123docz.net

Open Graph data is detected on the main page of 123doc Z. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: