Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

thaytro.net

Học tiếng Anh lên nhanh ThayTro.Net - THPT Trị An

Page Load Speed

41.6 sec in total

First Response

11.9 sec

Resources Loaded

27.6 sec

Page Rendered

2.1 sec

thaytro.net screenshot

About Website

Visit thaytro.net now to see the best up-to-date Thay Tro content for Vietnam and also check out these interesting facts you probably never knew about thaytro.net

Chào mừng các Thầy Cô và các em học sinh ghé thăm: "Tiện ích học tập Tiếng Anh Trực Tuyến", 1 tiện ích học tập của giáo viên Trường THPT Trị An. Nếu có bất cứ khó khăn gì về việc sử dụng các chức năng...

Visit thaytro.net

Key Findings

We analyzed Thaytro.net page load time and found that the first response time was 11.9 sec and then it took 29.7 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.

Performance Metrics

thaytro.net performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value31.4 s

0/100

10%

Network Requests Diagram

thaytro.net

11892 ms

yui_combo.php

1108 ms

yui_combo.php

2268 ms

all

3703 ms

javascript-static.js

1090 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 39% of them (47 requests) were addressed to the original Thaytro.net, 10% (12 requests) were made to Static.xx.fbcdn.net and 7% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (11.9 sec) belongs to the original domain Thaytro.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 530.9 kB (60%)

Content Size

889.4 kB

After Optimization

358.5 kB

In fact, the total size of Thaytro.net main page is 889.4 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. 65% of websites need less resources to load. Javascripts take 495.6 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 174.3 kB

  • Original 204.4 kB
  • After minification 203.8 kB
  • After compression 30.1 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. 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 174.3 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 11.4 kB

  • Original 181.1 kB
  • After minification 169.7 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. Thay Tro images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 338.4 kB

  • Original 495.6 kB
  • After minification 477.6 kB
  • After compression 157.1 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 338.4 kB or 68% of the original size.

CSS Optimization

-81%

Potential reduce by 6.7 kB

  • Original 8.3 kB
  • After minification 6.6 kB
  • After compression 1.6 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. Thaytro.net needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (54%)

Requests Now

116

After Optimization

53

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thay Tro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

thaytro.net accessibility score

76

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

thaytro.net 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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

thaytro.net SEO score

54

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Thaytro.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 Thaytro.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 Thay Tro. 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: