Tools & Wizards About Us

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

tuhocplc.com

Học lập trình plc - Học Plc Online chất lượng - Tự học Plc

Page Load Speed

11.4 sec in total

First Response

584 ms

Resources Loaded

10.1 sec

Page Rendered

752 ms

About Website

Visit tuhocplc.com now to see the best up-to-date Tuhoc Plc content for Vietnam and also check out these interesting facts you probably never knew about tuhocplc.com

Hướng dẫn lập trình Plc, Học lập trình Plc online theo bài giảng video, không giới hạn thời gian học, được hỗ trợ suốt đời.

Visit tuhocplc.com

Key Findings

We analyzed Tuhocplc.com page load time and found that the first response time was 584 ms and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

tuhocplc.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

tuhocplc.com

584 ms

tuhocplc.com

2791 ms

wp-emoji-release.min.js

745 ms

style.css

797 ms

style.min.css

806 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 78% of them (102 requests) were addressed to the original Tuhocplc.com, 10% (13 requests) were made to Embed.tawk.to and 8% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Tuhocplc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (37%)

Content Size

4.6 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tuhocplc.com main page is 4.6 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. 70% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 183.6 kB

  • Original 219.6 kB
  • After minification 202.4 kB
  • After compression 35.9 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 183.6 kB or 84% of the original size.

Image Optimization

-39%

Potential reduce by 1.4 MB

  • Original 3.7 MB
  • After minification 2.3 MB

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, Tuhoc Plc needs image optimization as it can save up to 1.4 MB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 45.5 kB

  • Original 425.4 kB
  • After minification 425.3 kB
  • After compression 379.8 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 45.5 kB or 11% of the original size.

CSS Optimization

-13%

Potential reduce by 23.4 kB

  • Original 178.8 kB
  • After minification 178.6 kB
  • After compression 155.4 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. Tuhocplc.com needs all CSS files to be minified and compressed as it can save up to 23.4 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 73 (62%)

Requests Now

118

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tuhoc Plc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tuhocplc.com accessibility score

72

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

tuhocplc.com best practices score

67

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

SEO Factors

tuhocplc.com SEO score

92

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

    N/A

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tuhocplc.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Vietnamese. Our system also found out that Tuhocplc.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

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