Tools & Wizards About Us
tracnghiem.thuvienvatly.com screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

tracnghiem.thuvienvatly.com

Welcome to nginx!

Page Load Speed

6.5 sec in total

First Response

1.7 sec

Resources Loaded

4.6 sec

Page Rendered

205 ms

tracnghiem.thuvienvatly.com screenshot

About Website

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

Làm trắc nghiệm vật lý trực tuyến miễn phí. Ôn thi đại học, thi tốt nghiệp, trắc nghiệm lớp 10, lớp 11, lớp 12. Là nơi cho các giáo viên soạn trắc nghiệm và thống kê đánh giá theo chuẫn trắc nghiệm

Visit tracnghiem.thuvienvatly.com

Key Findings

We analyzed Tracnghiem.thuvienvatly.com page load time and found that the first response time was 1.7 sec and then it took 4.8 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

tracnghiem.thuvienvatly.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

tracnghiem.thuvienvatly.com

1684 ms

news.css

560 ms

styles.css

1063 ms

javascript-static.js

823 ms

javascript-mod.php

588 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 65% of them (47 requests) were addressed to the original Tracnghiem.thuvienvatly.com, 11% (8 requests) were made to Thuvienvatly.com and 10% (7 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Tracnghiem.thuvienvatly.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 567.4 kB (54%)

Content Size

1.1 MB

After Optimization

489.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tracnghiem.thuvienvatly.com main page is 1.1 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. 45% of websites need less resources to load. Javascripts take 670.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 37.8 kB

  • Original 45.8 kB
  • After minification 42.7 kB
  • After compression 7.9 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 37.8 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 2.6 kB

  • Original 179.4 kB
  • After minification 176.9 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. Tracnghiem Thuvienvatly images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 391.5 kB

  • Original 670.2 kB
  • After minification 636.5 kB
  • After compression 278.6 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 391.5 kB or 58% of the original size.

CSS Optimization

-84%

Potential reduce by 135.4 kB

  • Original 161.9 kB
  • After minification 124.7 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. Tracnghiem.thuvienvatly.com needs all CSS files to be minified and compressed as it can save up to 135.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (59%)

Requests Now

71

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tracnghiem Thuvienvatly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tracnghiem.thuvienvatly.com

tracnghiem.thuvienvatly.com

1684 ms

news.css

news.css

560 ms

styles.css

styles.css

1063 ms

javascript-static.js

javascript-static.js

823 ms

javascript-mod.php

javascript-mod.php

588 ms

overlib.js

overlib.js

1090 ms

overlib_cssstyle.js

overlib_cssstyle.js

574 ms

cookies.js

cookies.js

920 ms

ufo.js

ufo.js

918 ms

dropdown.js

dropdown.js

845 ms

addthis_widget.js

addthis_widget.js

1448 ms

adsbygoogle.js

adsbygoogle.js

5 ms

but-read-more.jpg

but-read-more.jpg

567 ms

New_nho.gif

New_nho.gif

517 ms

background.png

background.png

325 ms

menu-back-left.jpg

menu-back-left.jpg

352 ms

menu-back.jpg

menu-back.jpg

333 ms

menu-bak-line.jpg

menu-bak-line.jpg

317 ms

menu-back-right.jpg

menu-back-right.jpg

340 ms

nav-bak-left.jpg

nav-bak-left.jpg

326 ms

nav-bak.jpg

nav-bak.jpg

583 ms

call_out.jpg

call_out.jpg

613 ms

nav-bak-right.jpg

nav-bak-right.jpg

613 ms

top-main-left.jpg

top-main-left.jpg

613 ms

top-main-back.jpg

top-main-back.jpg

614 ms

button-back.jpg

button-back.jpg

716 ms

button_cs.jpg

button_cs.jpg

1097 ms

button_gt.jpg

button_gt.jpg

1105 ms

button_coin.jpg

button_coin.jpg

858 ms

button_taokho.jpg

button_taokho.jpg

883 ms

top-main-right.jpg

top-main-right.jpg

921 ms

module-header.jpg

module-header.jpg

998 ms

Button.jpg

Button.jpg

1193 ms

messaging.png

messaging.png

1188 ms

course.gif

course.gif

1180 ms

total.gif

total.gif

1256 ms

total2.gif

total2.gif

1353 ms

totalC.gif

totalC.gif

1360 ms

2.jpg

2.jpg

1452 ms

3.jpg

3.jpg

1456 ms

4.jpg

4.jpg

1462 ms

1.jpg

1.jpg

1512 ms

tai-nguyen_01.jpg

tai-nguyen_01.jpg

1608 ms

tai-nguyen_02.jpg

tai-nguyen_02.jpg

1616 ms

tai-nguyen_03.jpg

tai-nguyen_03.jpg

1723 ms

tai-nguyen_04.jpg

tai-nguyen_04.jpg

1712 ms

tai-nguyen_05.jpg

tai-nguyen_05.jpg

1718 ms

tai-nguyen_06.jpg

tai-nguyen_06.jpg

1770 ms

f2.png

f2.png

1864 ms

f2.jpg

f2.jpg

2035 ms

widget76.css

widget76.css

15 ms

index.php

index.php

261 ms

ca-pub-1776428823259622.js

ca-pub-1776428823259622.js

96 ms

zrt_lookup.html

zrt_lookup.html

103 ms

show_ads_impl.js

show_ads_impl.js

59 ms

footer-back.jpg

footer-back.jpg

1394 ms

ga.js

ga.js

28 ms

sh74.html

sh74.html

19 ms

counter76.css

counter76.css

34 ms

plugin.sharecounter.js

plugin.sharecounter.js

63 ms

widget40.png

widget40.png

60 ms

__utm.gif

__utm.gif

42 ms

p.json

p.json

71 ms

ads

ads

201 ms

osd.js

osd.js

16 ms

tbc02.gif

tbc02.gif

15 ms

jquery.js

jquery.js

260 ms

yshout.js

yshout.js

602 ms

example.yshout.css

example.yshout.css

517 ms

style.css

style.css

518 ms

menu97.js

menu97.js

8 ms

yshout.php

yshout.php

559 ms

Accessibility Review

tracnghiem.thuvienvatly.com accessibility score

76

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

tracnghiem.thuvienvatly.com 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

tracnghiem.thuvienvatly.com 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

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

High

Document uses plugins

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 Tracnghiem.thuvienvatly.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 Tracnghiem.thuvienvatly.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

tracnghiem.thuvienvatly.com

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