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name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.682

8/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

qingjieshebei.cn

1089 ms

style.css

254 ms

aos.css

486 ms

common.css

484 ms

jquery.js

740 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 90% of them (81 requests) were addressed to the original Qingjieshebei.cn, 8% (7 requests) were made to Bdimg.share.baidu.com and 2% (2 requests) were made to Beian.suzhou.gov.cn. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Qingjieshebei.cn.

Content Size

7.1 MB

After Optimization

6.3 MB

In fact, the total size of Qingjieshebei.cn main page is 7.1 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. 65% of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 37.7 kB

Original 45.8 kB
After minification 41.9 kB
After compression 8.2 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 37.7 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 685.3 kB

Original 6.9 MB
After minification 6.2 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. Qingjieshebei images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 12.6 kB

Original 102.4 kB
After minification 102.3 kB
After compression 89.8 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 12.6 kB or 12% of the original size.

CSS Optimization

-33%

Potential reduce by 6.5 kB

Original 19.8 kB
After minification 19.8 kB
After compression 13.3 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. Qingjieshebei.cn needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 33% of the original size.

Requests Now

After Optimization

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qingjieshebei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

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

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Qingjieshebei.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Qingjieshebei.cn 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

qingjieshebei.cn

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

工业用吸尘器,工业除尘设备,工业吸尘器,大功率吸尘器,防爆吸尘器,大功率工业用吸尘器,工业防爆吸尘器,工业除尘器设备,工业大功率吸尘器,洁威尔吸尘器,防爆工业吸尘器,唐朝工业吸尘器网站.

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

qingjieshebei.cn

style.css

aos.css

common.css

jquery.js

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

qingjieshebei.cn

style.css

aos.css

common.css

jquery.js

jquery.SuperSlide.2.1.1.js

common.js

mobile.js

app.js

aos.js

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tel.gif

banner4.jpg

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banner1.jpg

banner2.jpg

arrows.png

s_so.png

cp_bg2.jpg

cp_ico05.png

cp_ico01.png

cp_tel.gif

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