Tools & Wizards About Us

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

hslair.en.alibaba.com

Jiangsu Schwarzwald Tech Co., Ltd. - Air Purifier, Ventilation System

Page Load Speed

4 sec in total

First Response

86 ms

Resources Loaded

3.4 sec

Page Rendered

533 ms

About Website

Welcome to hslair.en.alibaba.com homepage info - get ready to check Hsl Air En Alibaba best content for China right away, or after learning these important things about hslair.en.alibaba.com

Jiangsu Schwarzwald Tech Co., Ltd., Experts in Manufacturing and Exporting Air Purifier, Ventilation System and 0 more Products.

Visit hslair.en.alibaba.com

Key Findings

We analyzed Hslair.en.alibaba.com page load time and found that the first response time was 86 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

hslair.en.alibaba.com performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value38.5 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value3,920 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.613

10/100

15%

TTI (Time to Interactive)

Value37.4 s

0/100

10%

Network Requests Diagram

hslair.en.alibaba.com

86 ms

hslair.en.alibaba.com

803 ms

90 ms

88 ms

header.css

160 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Hslair.en.alibaba.com, 34% (33 requests) were made to S.alicdn.com and 23% (22 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 MB (60%)

Content Size

6.8 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hslair.en.alibaba.com main page is 6.8 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. Only a small number of websites need less resources to load. Javascripts take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 447.4 kB

  • Original 544.3 kB
  • After minification 540.4 kB
  • After compression 97.0 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 447.4 kB or 82% of the original size.

Image Optimization

-23%

Potential reduce by 141.7 kB

  • Original 609.1 kB
  • After minification 467.4 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, Hsl Air En Alibaba needs image optimization as it can save up to 141.7 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

-61%

Potential reduce by 3.2 MB

  • Original 5.3 MB
  • After minification 5.3 MB
  • After compression 2.1 MB

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 3.2 MB or 61% of the original size.

CSS Optimization

-71%

Potential reduce by 283.7 kB

  • Original 397.3 kB
  • After minification 346.4 kB
  • After compression 113.6 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. Hslair.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.7 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (53%)

Requests Now

86

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hsl Air En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

hslair.en.alibaba.com accessibility score

100

Accessibility Issues

Best Practices

hslair.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

hslair.en.alibaba.com SEO score

98

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hslair.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Hslair.en.alibaba.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 data is detected on the main page of Hsl Air En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: