Access thietbimoitruongvn.com. Chuyên Thiết kế - cung cấp – lắp đặt các hệ thống lọc nước

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value19.5 s

0/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value18,350 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.709

7/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

thietbimoitruongvn.com

783 ms

www.thietbimoitruongvn.com

2910 ms

stylesheet.css

501 ms

template_styles.css

774 ms

animebox.css

526 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 96% of them (66 requests) were addressed to the original Thietbimoitruongvn.com, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (8.9 sec) belongs to the original domain Thietbimoitruongvn.com.

Content Size

1.1 MB

After Optimization

767.2 kB

In fact, the total size of Thietbimoitruongvn.com main page is 1.1 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. 30% of websites need less resources to load. Images take 918.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 59.0 kB

Original 69.0 kB
After minification 58.6 kB
After compression 10.1 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. This page needs HTML code to be minified as it can gain 10.5 kB, which is 15% 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 59.0 kB or 85% of the original size.

Image Optimization

-23%

Potential reduce by 211.7 kB

Original 918.3 kB
After minification 706.7 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. Obviously, Thietbimoitruongvn needs image optimization as it can save up to 211.7 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 77.4 kB

Original 122.1 kB
After minification 120.0 kB
After compression 44.7 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 77.4 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 24.7 kB

Original 30.4 kB
After minification 22.2 kB
After compression 5.7 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. Thietbimoitruongvn.com needs all CSS files to be minified and compressed as it can save up to 24.7 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thietbimoitruongvn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 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 input fields do not have accessible names

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

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

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

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

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

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thietbimoitruongvn.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 Thietbimoitruongvn.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

thietbimoitruongvn.com

Open Graph description is not detected on the main page of Thietbimoitruongvn. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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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

thietbimoitruongvn.com

www.thietbimoitruongvn.com

stylesheet.css

template_styles.css

animebox.css

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

thietbimoitruongvn.com

www.thietbimoitruongvn.com

stylesheet.css

template_styles.css

animebox.css

jquery-1.3.2.min.js

thickbox-compressed.js

thickbox.css

tab.js

animebox.js

ajaxq.js

jcarousellite.js

sidebarmenu.css

online

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bg.gif

banner_top.jpg

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az_btn_buy_l.png

az_btn_buy_m.png

az_btn_buy_r.png

logo%20CLACK.png

logo.gif

logo.jpg

1217412858pur%20lite.jpg

Samyang.gif

LogoNorit.gif

hat-nhua-Anion-A23-Thermax-an-do-200x200.jpg

hat-nhua-cation-T42Na-Thermax-an-do-200x200.jpg

loi-loc-nuoc-alkaline-200x200.png

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