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aer.cn screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

aer.cn

艾尔网路 | IT Service

Page Load Speed

3.2 sec in total

First Response

836 ms

Resources Loaded

2.3 sec

Page Rendered

103 ms

aer.cn screenshot

About Website

Click here to check amazing Aer content. Otherwise, check out these important facts you probably never knew about aer.cn

艾尔网路 | IT Service

Visit aer.cn

Key Findings

We analyzed Aer.cn page load time and found that the first response time was 836 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

aer.cn performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

aer.cn

836 ms

global.css

238 ms

layout.css

468 ms

logo.jpg

467 ms

banner1.jpg

932 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Aer.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (973 ms) belongs to the original domain Aer.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.6 kB (4%)

Content Size

229.9 kB

After Optimization

221.3 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Aer.cn main page is 229.9 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. Only 10% of websites need less resources to load. Images take 220.4 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 4.0 kB

  • Original 7.0 kB
  • After minification 6.4 kB
  • After compression 3.0 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 4.0 kB or 58% of the original size.

Image Optimization

-2%

Potential reduce by 4.0 kB

  • Original 220.4 kB
  • After minification 216.4 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. Aer images are well optimized though.

CSS Optimization

-22%

Potential reduce by 538 B

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 1.9 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. Aer.cn needs all CSS files to be minified and compressed as it can save up to 538 B or 22% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aer. According to our analytics all requests are already optimized.

Network Requests Diagram

aer.cn

aer.cn

836 ms

global.css

global.css

238 ms

layout.css

layout.css

468 ms

logo.jpg

logo.jpg

467 ms

banner1.jpg

banner1.jpg

932 ms

hp.jpg

hp.jpg

481 ms

bg-page.jpg

bg-page.jpg

472 ms

top_bj.jpg

top_bj.jpg

236 ms

navbackground.jpg

navbackground.jpg

235 ms

line.jpg

line.jpg

234 ms

body_bj.jpg

body_bj.jpg

467 ms

banner2.jpg

banner2.jpg

973 ms

banner3.jpg

banner3.jpg

933 ms

Accessibility Review

aer.cn accessibility score

70

Accessibility Issues

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 valid value for its [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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

aer.cn best practices score

75

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

Serves images with low resolution

SEO Factors

aer.cn SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    UT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aer.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed language. Our system also found out that Aer.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

aer.cn

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