Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

ioe.vn

IOE: Hấp dẫn - mê say - thấy ngay kết quả - Trang chủ

Page Load Speed

53.4 sec in total

First Response

7.6 sec

Resources Loaded

44.6 sec

Page Rendered

1.3 sec

ioe.vn screenshot

About Website

Visit ioe.vn now to see the best up-to-date IOE content for Vietnam and also check out these interesting facts you probably never knew about ioe.vn

Olympic tiếng anh, thi tiếng anh internet, thi tiếng anh trực tuyến, kiểm tra kiến thức tiếng anh,English Online Contest, Olympic English, goIOE, IOE, hấp dẫn, mê say, kết quả

Visit ioe.vn

Key Findings

We analyzed Ioe.vn page load time and found that the first response time was 7.6 sec and then it took 45.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ioe.vn performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value2,200 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.351

31/100

15%

TTI (Time to Interactive)

Value25.0 s

0/100

10%

Network Requests Diagram

ioe.go.vn

7607 ms

ioeimportheader.js

853 ms

spcjs.php

1058 ms

HeaderGo.ashx

850 ms

e_style.css

794 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ioe.vn, 15% (17 requests) were made to Static.ioe.goplay.vn and 11% (12 requests) were made to Avatar.go.vn. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Static.ioe.goplay.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 644.2 kB (38%)

Content Size

1.7 MB

After Optimization

1.0 MB

In fact, the total size of Ioe.vn main page is 1.7 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. Images take 966.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 117.8 kB

  • Original 150.1 kB
  • After minification 144.2 kB
  • After compression 32.4 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 117.8 kB or 78% of the original size.

Image Optimization

-10%

Potential reduce by 98.0 kB

  • Original 966.7 kB
  • After minification 868.7 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. IOE images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 358.7 kB

  • Original 479.0 kB
  • After minification 350.2 kB
  • After compression 120.3 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 358.7 kB or 75% of the original size.

CSS Optimization

-82%

Potential reduce by 69.7 kB

  • Original 84.8 kB
  • After minification 70.3 kB
  • After compression 15.2 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. Ioe.vn needs all CSS files to be minified and compressed as it can save up to 69.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (55%)

Requests Now

106

After Optimization

48

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IOE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ioe.vn accessibility score

80

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

ioe.vn best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ioe.vn SEO score

89

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ioe.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ioe.vn 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 IOE. 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: