Tools & Wizards About Us

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

cnhepa.com

China Cleanroom Hepa filter -Air Shower - Clean Booth -Pass Box - Pleat Air Filters - BACCLEAN TECH

Page Load Speed

25.9 sec in total

First Response

805 ms

Resources Loaded

24.9 sec

Page Rendered

260 ms

About Website

Click here to check amazing Cn Hepa content. Otherwise, check out these important facts you probably never knew about cnhepa.com

supply China Clean Room, Air Shower, Cargo Shower, Static Pass Box, Dynamic Pass Box, Clean Bench, Laminar Flow Cabinet, FFU Fan Filter Unit, HEPA BOX, Weighing Room, Laminar Flow Ceiling, Fresh Air C...

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Key Findings

We analyzed Cnhepa.com page load time and found that the first response time was 805 ms and then it took 25.1 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

cnhepa.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value18.4 s

0/100

25%

SI (Speed Index)

Value20.5 s

0/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

cnhepa.com

805 ms

style.css

263 ms

index.css

1318 ms

font-awesome.min.css

479 ms

jd.css

469 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 88% of them (56 requests) were addressed to the original Cnhepa.com, 3% (2 requests) were made to Googletagmanager.com and 3% (2 requests) were made to W.sharethis.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Cnhepa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.3 kB (16%)

Content Size

655.1 kB

After Optimization

547.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cnhepa.com main page is 655.1 kB. 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 437.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.7 kB

  • Original 34.9 kB
  • After minification 31.3 kB
  • After compression 6.2 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 28.7 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 16.3 kB

  • Original 437.6 kB
  • After minification 421.3 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. Cn Hepa images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 56.8 kB

  • Original 164.9 kB
  • After minification 164.7 kB
  • After compression 108.1 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 56.8 kB or 34% of the original size.

CSS Optimization

-31%

Potential reduce by 5.5 kB

  • Original 17.8 kB
  • After minification 17.1 kB
  • After compression 12.3 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. Cnhepa.com needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (39%)

Requests Now

59

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Hepa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cnhepa.com accessibility score

58

Accessibility Issues

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

cnhepa.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

SEO Factors

cnhepa.com SEO score

74

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnhepa.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cnhepa.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 Cn Hepa. 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: