Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

noithatnhiha.com.vn

Default Web Site Page

Page Load Speed

25.2 sec in total

First Response

9 sec

Resources Loaded

15.7 sec

Page Rendered

594 ms

noithatnhiha.com.vn screenshot

About Website

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

Chuyên thi công vách kính cường lực, vách kính mặt dựng, cửa cuốn, nhôm hệ

Visit noithatnhiha.com.vn

Key Findings

We analyzed Noithatnhiha.com.vn page load time and found that the first response time was 9 sec and then it took 16.3 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

noithatnhiha.com.vn performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

noithatnhiha.com.vn

8971 ms

style.css

1167 ms

jquery.min.js

32 ms

jquery.carouFredSel-6.2.1.js

1264 ms

default.css

535 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 76% of them (86 requests) were addressed to the original Noithatnhiha.com.vn, 9% (10 requests) were made to Static.xx.fbcdn.net and 5% (6 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (9 sec) belongs to the original domain Noithatnhiha.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (33%)

Content Size

4.3 MB

After Optimization

2.9 MB

In fact, the total size of Noithatnhiha.com.vn main page is 4.3 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. 65% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 56.8 kB

  • Original 68.2 kB
  • After minification 59.7 kB
  • After compression 11.4 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. This page needs HTML code to be minified as it can gain 8.6 kB, which is 13% 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 56.8 kB or 83% of the original size.

Image Optimization

-24%

Potential reduce by 848.8 kB

  • Original 3.5 MB
  • After minification 2.7 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, Noithatnhiha needs image optimization as it can save up to 848.8 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 297.3 kB

  • Original 402.9 kB
  • After minification 336.7 kB
  • After compression 105.6 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 297.3 kB or 74% of the original size.

CSS Optimization

-73%

Potential reduce by 236.5 kB

  • Original 324.9 kB
  • After minification 283.5 kB
  • After compression 88.4 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. Noithatnhiha.com.vn needs all CSS files to be minified and compressed as it can save up to 236.5 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (52%)

Requests Now

111

After Optimization

53

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Noithatnhiha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

noithatnhiha.com.vn accessibility score

52

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.

Internationalization and localization

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

Impact

Issue

High

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

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

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

noithatnhiha.com.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

noithatnhiha.com.vn SEO score

83

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Noithatnhiha.com.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Vietnamese language. Our system also found out that Noithatnhiha.com.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 Noithatnhiha. 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: