Tools & Wizards About Us

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

vaninox.com

Van inox, van công nghiệp, van vi sinh, phụ kiện ống

Page Load Speed

25.5 sec in total

First Response

909 ms

Resources Loaded

22.8 sec

Page Rendered

1.8 sec

About Website

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

Công ty TNHH Ngũ Châu Việt Nam (VNC) chuyên SẢN XUẤT và PHÂN PHỐI các loại van inox, van vi sinh, van công nghiệp inox 201, 304, 316

Visit vaninox.com

Key Findings

We analyzed Vaninox.com page load time and found that the first response time was 909 ms and then it took 24.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

vaninox.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value16.9 s

0/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.274

44/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

vaninox.com

909 ms

www.vaninox.com

882 ms

style.css

883 ms

jquery-1.8.0.min.js

1436 ms

jquery.touchwipe.1.1.1.js

588 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 84% of them (47 requests) were addressed to the original Vaninox.com, 5% (3 requests) were made to Skypeassets.com and 4% (2 requests) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Streamtest.github.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.0 kB (18%)

Content Size

1.9 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vaninox.com main page is 1.9 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. 35% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.2 kB

  • Original 26.7 kB
  • After minification 23.8 kB
  • After compression 6.5 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 2.9 kB, which is 11% 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 20.2 kB or 76% of the original size.

Image Optimization

-12%

Potential reduce by 189.5 kB

  • Original 1.6 MB
  • After minification 1.4 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, Van Inox needs image optimization as it can save up to 189.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 105.1 kB

  • Original 194.7 kB
  • After minification 184.4 kB
  • After compression 89.6 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 105.1 kB or 54% of the original size.

CSS Optimization

-84%

Potential reduce by 22.2 kB

  • Original 26.5 kB
  • After minification 20.7 kB
  • After compression 4.2 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. Vaninox.com needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (15%)

Requests Now

53

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Van Inox. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vaninox.com accessibility score

78

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

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

Links do not have a discernible name

Best Practices

vaninox.com 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

SEO Factors

vaninox.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    VI

  • Language Claimed

    EN

  • Encoding

    UTF-8

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