Access tudonghoa24.com. Công ty TNHH thiết bị đo lường và điều khiển

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value3,460 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.854

4/100

15%

TTI (Time to Interactive)

Value23.0 s

1/100

10%

mctt.vn

2440 ms

bootstrap.min.css

27 ms

evo-main.scss.css

1234 ms

evo-index.scss.css

1063 ms

stats.min.js

470 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Tudonghoa24.com, 11% (14 requests) were made to Embed.tawk.to and 2% (3 requests) were made to Mctt.vn. The less responsive or slowest element that took the longest time to load (5.3 sec) relates to the external source Bizweb.dktcdn.net.

Content Size

7.6 MB

After Optimization

5.4 MB

In fact, the total size of Tudonghoa24.com main page is 7.6 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. 60% of websites need less resources to load. Images take 7.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 290.5 kB

Original 336.1 kB
After minification 310.2 kB
After compression 45.6 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 290.5 kB or 86% of the original size.

Image Optimization

-27%

Potential reduce by 1.9 MB

Original 7.0 MB
After minification 5.1 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, Tudonghoa 24 needs image optimization as it can save up to 1.9 MB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 39.5 kB

Original 302.6 kB
After minification 302.5 kB
After compression 263.1 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 39.5 kB or 13% of the original size.

CSS Optimization

-22%

Potential reduce by 7.3 kB

Original 33.9 kB
After minification 33.9 kB
After compression 26.6 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. Tudonghoa24.com needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 22% of the original size.

Requests Now

122

After Optimization

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tudonghoa 24. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

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

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Tudonghoa24.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 Tudonghoa24.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

tudonghoa24.com

Open Graph data is detected on the main page of Tudonghoa 24. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Công ty TNHH thiết bị đo lường và điều khiển

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

mctt.vn

bootstrap.min.css

evo-main.scss.css

evo-index.scss.css

stats.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

mctt.vn

bootstrap.min.css

evo-main.scss.css

evo-index.scss.css

stats.min.js

js

jquery.js

appbulk-product-statistics.css

cf-stylesheet.css

api.jquery.js

evo-index-js.js

main.js

evo-theme.js

appbulk-product-statistics.js

addthis_widget.js

store_events_listener.min.js

slider_1.jpg

slider_2.jpg

slider_3.jpg

slider_4.jpg

payment_1.svg

payment_2.svg

payment_3.svg

payment_4.svg

payment_5.svg

payment_6.svg

logo.png

js15_as.js

cover-waving-bg.svg

1gldu79p3

4730754.php

back.svg

right-arrow.svg

evo-block-product-1-image-1.png

1608884439933411-removebg-preview.png

noimage.gif

plc-logo.png

1630695614972-image-removebg-preview.png

2021052716575912.png

feature_search_image_1.jpg

feature_search_image_2.jpg

feature_search_image_3.jpg

feature_search_image_4.jpg