Tools & Wizards About Us
kenhgiaovien.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

kenhgiaovien.com

Kho tài liệu giảng dạy dành cho giáo viên | Kenhgiaovien

Page Load Speed

4.9 sec in total

First Response

801 ms

Resources Loaded

4 sec

Page Rendered

175 ms

kenhgiaovien.com screenshot

About Website

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

Đầy đủ giáo án và tài liệu giảng dạy dành cho giáo viên. Giáo án word, powepoint, dạy thêm, đề thi, PBT,... của chân trời sáng tạo, cánh diều, kết nối tri thức

Visit kenhgiaovien.com

Key Findings

We analyzed Kenhgiaovien.com page load time and found that the first response time was 801 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kenhgiaovien.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

kenhgiaovien.com

801 ms

kenhgiaovien.com

1045 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

257 ms

css_NdVgz6YKifxQUEsW5xls_zI7Pn2F7E5U5Wb29zcu3vo.css

512 ms

css_PGbJgHCUCBf4dg7K9Kt8aAwsApndP4GZ9RuToPy3-Fk.css

756 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 95% of them (20 requests) were addressed to the original Kenhgiaovien.com, 5% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Kenhgiaovien.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.9 kB (63%)

Content Size

258.5 kB

After Optimization

96.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kenhgiaovien.com main page is 258.5 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. 20% of websites need less resources to load. HTML takes 97.5 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 87.3 kB

  • Original 97.5 kB
  • After minification 84.7 kB
  • After compression 10.1 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 12.7 kB, which is 13% 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 87.3 kB or 90% of the original size.

Image Optimization

-80%

Potential reduce by 63.5 kB

  • Original 78.9 kB
  • After minification 15.4 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, Kenhgiaovien needs image optimization as it can save up to 63.5 kB or 80% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-20%

Potential reduce by 10.8 kB

  • Original 55.4 kB
  • After minification 55.4 kB
  • After compression 44.5 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 10.8 kB or 20% of the original size.

CSS Optimization

-1%

Potential reduce by 301 B

  • Original 26.7 kB
  • After minification 26.7 kB
  • After compression 26.4 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. Kenhgiaovien.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (26%)

Requests Now

19

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kenhgiaovien. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kenhgiaovien.com

kenhgiaovien.com

801 ms

kenhgiaovien.com

kenhgiaovien.com

1045 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

257 ms

css_NdVgz6YKifxQUEsW5xls_zI7Pn2F7E5U5Wb29zcu3vo.css

css_NdVgz6YKifxQUEsW5xls_zI7Pn2F7E5U5Wb29zcu3vo.css

512 ms

css_PGbJgHCUCBf4dg7K9Kt8aAwsApndP4GZ9RuToPy3-Fk.css

css_PGbJgHCUCBf4dg7K9Kt8aAwsApndP4GZ9RuToPy3-Fk.css

756 ms

font-awesome.min.css

font-awesome.min.css

33 ms

css_r6g3jNcQgn6e-x6XrUf4bnUNywmeOqVqT0wt_mQ7MPM.css

css_r6g3jNcQgn6e-x6XrUf4bnUNywmeOqVqT0wt_mQ7MPM.css

1005 ms

css_UJdlHylbDMEZ9St_gdWCFpqNOI_82zI6D1H0SnDClIU.css

css_UJdlHylbDMEZ9St_gdWCFpqNOI_82zI6D1H0SnDClIU.css

777 ms

js_Pt6OpwTd6jcHLRIjrE-eSPLWMxWDkcyYrPTIrXDSON0.js

js_Pt6OpwTd6jcHLRIjrE-eSPLWMxWDkcyYrPTIrXDSON0.js

1284 ms

js_uQ5T8QxULEGBuqKo1Wm0iVwtHSPZUkXi3E5SBJseSK8.js

js_uQ5T8QxULEGBuqKo1Wm0iVwtHSPZUkXi3E5SBJseSK8.js

772 ms

js_0BFxiFW3rH6nQU9bImueLB3GsUUUCtGAum_Lb1KiYbE.js

js_0BFxiFW3rH6nQU9bImueLB3GsUUUCtGAum_Lb1KiYbE.js

779 ms

logo.png

logo.png

257 ms

logo_trang.png

logo_trang.png

252 ms

anhtop1.png

anhtop1.png

501 ms

sao.png

sao.png

257 ms

tatca.png

tatca.png

253 ms

list_ic.png

list_ic.png

259 ms

hoc1.png

hoc1.png

500 ms

hoc3.png

hoc3.png

501 ms

hoc2.png

hoc2.png

509 ms

menu-leaf.png

menu-leaf.png

510 ms

Accessibility Review

kenhgiaovien.com accessibility score

81

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

Image elements do not have [alt] attributes

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

kenhgiaovien.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kenhgiaovien.com SEO score

91

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

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 Kenhgiaovien.com 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 Kenhgiaovien.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

kenhgiaovien.com

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