Tools & Wizards About Us
dethikiemtra.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

dethikiemtra.com

Đề thi, đề kiểm tra và giải bài tập từ lớp 1-12 mới nhất

Page Load Speed

6.1 sec in total

First Response

1.5 sec

Resources Loaded

4.4 sec

Page Rendered

261 ms

dethikiemtra.com screenshot

About Website

Welcome to dethikiemtra.com homepage info - get ready to check De Thi Kiem Tra best content for Vietnam right away, or after learning these important things about dethikiemtra.com

Chia sẻ hàng ngàn đề thi học kì 1,2, đề kiểm tra và giải bài tập SGK từ lớp 1 đến lớp 12. Tài liệu hay cho các học sinh và thầy cô tham khảo.

Visit dethikiemtra.com

Key Findings

We analyzed Dethikiemtra.com page load time and found that the first response time was 1.5 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dethikiemtra.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value4,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.393

26/100

15%

TTI (Time to Interactive)

Value31.6 s

0/100

10%

Network Requests Diagram

dethikiemtra.com

1525 ms

uw6j.css

505 ms

css

79 ms

uw6j.css

1226 ms

uw6j.js

985 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 62% of them (26 requests) were addressed to the original Dethikiemtra.com, 10% (4 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Dethikiemtra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.5 kB (25%)

Content Size

858.6 kB

After Optimization

643.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dethikiemtra.com main page is 858.6 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. 55% of websites need less resources to load. Images take 312.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 165.2 kB

  • Original 212.9 kB
  • After minification 207.0 kB
  • After compression 47.7 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 165.2 kB or 78% of the original size.

Image Optimization

-13%

Potential reduce by 40.6 kB

  • Original 312.7 kB
  • After minification 272.1 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, De Thi Kiem Tra needs image optimization as it can save up to 40.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 4.7 kB

  • Original 275.7 kB
  • After minification 275.7 kB
  • After compression 271.0 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

-9%

Potential reduce by 5.1 kB

  • Original 57.3 kB
  • After minification 57.3 kB
  • After compression 52.3 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. Dethikiemtra.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (54%)

Requests Now

35

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Thi Kiem Tra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dethikiemtra.com

dethikiemtra.com

1525 ms

uw6j.css

uw6j.css

505 ms

css

css

79 ms

uw6j.css

uw6j.css

1226 ms

uw6j.js

uw6j.js

985 ms

MathJax.js

MathJax.js

78 ms

font-awesome.min.css

font-awesome.min.css

70 ms

plugin.min.js

plugin.min.js

69 ms

adsbygoogle.js

adsbygoogle.js

107 ms

js

js

104 ms

tagdiv_theme.min.js

tagdiv_theme.min.js

1346 ms

comment-reply.min.js

comment-reply.min.js

752 ms

js_composer_front.min.js

js_composer_front.min.js

768 ms

ads.js

ads.js

775 ms

sponsors.js

sponsors.js

1003 ms

banner.js

banner.js

1020 ms

300x250.js

300x250.js

1031 ms

logo.png

logo.png

385 ms

icon-dethikiemtra.png

icon-dethikiemtra.png

386 ms

de-thi-toan-7-hoc-ki-1-180x135.png

de-thi-toan-7-hoc-ki-1-180x135.png

631 ms

de-thi-hoc-ki-1-lop-6-mon-van-nam-2021-180x135.png

de-thi-hoc-ki-1-lop-6-mon-van-nam-2021-180x135.png

384 ms

On-tap-CHUONG-4-DO-DUNG-DIEN-TRONG-GIA-DINH-180x135.png

On-tap-CHUONG-4-DO-DUNG-DIEN-TRONG-GIA-DINH-180x135.png

632 ms

Screenshot_1-3-180x135.png

Screenshot_1-3-180x135.png

632 ms

Bai-13.-Bep-hong-ngoai-180x135.png

Bai-13.-Bep-hong-ngoai-180x135.png

838 ms

Bai-12.-Noi-com-dien-180x135.png

Bai-12.-Noi-com-dien-180x135.png

631 ms

Bai-11.-Den-dien-180x135.png

Bai-11.-Den-dien-180x135.png

630 ms

Bai-10.-Khai-quat-ve-do-dung-dien-trong-gia-dinh-180x135.png

Bai-10.-Khai-quat-ve-do-dung-dien-trong-gia-dinh-180x135.png

844 ms

on-tap-chuong-3-trang-phuc-va-thoi-trang-180x135.png

on-tap-chuong-3-trang-phuc-va-thoi-trang-180x135.png

846 ms

logo.png

logo.png

846 ms

ads.png

ads.png

869 ms

TeX-MML-AM_CHTML.js

TeX-MML-AM_CHTML.js

47 ms

slotcar_library.js

slotcar_library.js

109 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

97 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

217 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

217 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

218 ms

newsmag.svg

newsmag.svg

684 ms

newsmag.woff

newsmag.woff

924 ms

analytics.js

analytics.js

190 ms

dmedianet.js

dmedianet.js

301 ms

onejs

onejs

82 ms

quant.js

quant.js

233 ms

Accessibility Review

dethikiemtra.com accessibility score

91

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

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Best Practices

dethikiemtra.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dethikiemtra.com SEO score

94

Search Engine Optimization Advices

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 Dethikiemtra.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 Dethikiemtra.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

dethikiemtra.com

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