Tools & Wizards About Us

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

fsair.cn

空压机|螺杆空压机|复盛空压机—上海复盛空气压缩机销售公司

Page Load Speed

25.8 sec in total

First Response

1 sec

Resources Loaded

24.6 sec

Page Rendered

186 ms

About Website

Visit fsair.cn now to see the best up-to-date Fsair content and also check out these interesting facts you probably never knew about fsair.cn

提供上海复盛空压机等系列螺杆空压机销售与维修保养服务。热线电话:021-22818174; 我们提供高品质的复盛空压机产品，高效快捷服务及有竞争力的螺杆压缩机价格。提供空压机,空气压缩机,复盛空压机,空压机维修保养,上海空压机,螺杆式空压机,移动空压机,复盛压缩机,无油空压机,变频空压机,永磁变频空压机,永磁变频双级压缩空压机等产品信息和价格。

Visit fsair.cn

Key Findings

We analyzed Fsair.cn page load time and found that the first response time was 1 sec and then it took 24.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number 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

fsair.cn performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

fsair.cn

1012 ms

www.fsair.cn

742 ms

repaint_r1.12.css

252 ms

css.css

501 ms

lrtk.css

501 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 87% of them (41 requests) were addressed to the original Fsair.cn, 6% (3 requests) were made to Hm.baidu.com and 2% (1 request) were made to Static.anquan.org. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Static.anquan.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.8 kB (13%)

Content Size

206.5 kB

After Optimization

178.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fsair.cn main page is 206.5 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. 25% of websites need less resources to load. Images take 139.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.1 kB

  • Original 22.2 kB
  • After minification 19.6 kB
  • After compression 5.1 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 2.6 kB, which is 12% 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 17.1 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 180 B

  • Original 139.4 kB
  • After minification 139.2 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. Fsair images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 8.6 kB

  • Original 39.3 kB
  • After minification 39.3 kB
  • After compression 30.7 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 8.6 kB or 22% of the original size.

CSS Optimization

-34%

Potential reduce by 1.9 kB

  • Original 5.5 kB
  • After minification 5.3 kB
  • After compression 3.6 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. Fsair.cn needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (35%)

Requests Now

40

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fsair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

fsair.cn accessibility score

67

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

Best Practices

fsair.cn best practices score

58

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

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

fsair.cn SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fsair.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 Fsair.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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