Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

tracnghiemiq.net

Test IQ | Kiem tra IQ | Trac nghiem IQ online bằng hình ảnh miễn phí

Page Load Speed

6.5 sec in total

First Response

1.2 sec

Resources Loaded

4.9 sec

Page Rendered

372 ms

tracnghiemiq.net screenshot

About Website

Click here to check amazing Trac Nghiem IQ content for Vietnam. Otherwise, check out these important facts you probably never knew about tracnghiemiq.net

Chỉ số IQ của bạn là bao nhiêu? Kiểm tra IQ của bạn với bài Test IQ 2016. Bài kiểm tra chỉ số IQ được biên soạn bởi Tổ chức Trí Tuệ Cao Việt Nam.

Visit tracnghiemiq.net

Key Findings

We analyzed Tracnghiemiq.net page load time and found that the first response time was 1.2 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tracnghiemiq.net performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value600 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

tracnghiemiq.net

1173 ms

styles.css

492 ms

topics.css

759 ms

form.css

761 ms

jquery.min.js

28 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 73% of them (22 requests) were addressed to the original Tracnghiemiq.net, 10% (3 requests) were made to Pagead2.googlesyndication.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Tracnghiemiq.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.3 kB (70%)

Content Size

283.3 kB

After Optimization

86.0 kB

In fact, the total size of Tracnghiemiq.net main page is 283.3 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. 30% of websites need less resources to load. Javascripts take 191.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 30.6 kB

  • Original 35.1 kB
  • After minification 22.8 kB
  • After compression 4.5 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 12.3 kB, which is 35% 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 30.6 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 582 B

  • Original 11.8 kB
  • After minification 11.2 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. Trac Nghiem IQ images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 126.0 kB

  • Original 191.2 kB
  • After minification 191.2 kB
  • After compression 65.2 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 126.0 kB or 66% of the original size.

CSS Optimization

-89%

Potential reduce by 40.1 kB

  • Original 45.2 kB
  • After minification 24.5 kB
  • After compression 5.1 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. Tracnghiemiq.net needs all CSS files to be minified and compressed as it can save up to 40.1 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (14%)

Requests Now

28

After Optimization

24

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trac Nghiem IQ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tracnghiemiq.net accessibility score

54

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

tracnghiemiq.net best practices score

83

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

SEO Factors

tracnghiemiq.net SEO score

77

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

High

robots.txt is not valid

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

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 Tracnghiemiq.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 Tracnghiemiq.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

Open Graph description is not detected on the main page of Trac Nghiem IQ. 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: