Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

aescn.net

【艾森ECU升级|刷ECU|汽车电脑|ECU改装升级|改装刷ECU】- 艾森ECU升级官方网站

Page Load Speed

35.1 sec in total

First Response

725 ms

Resources Loaded

32.6 sec

Page Rendered

1.8 sec

aescn.net screenshot

About Website

Welcome to aescn.net homepage info - get ready to check Aescn best content right away, or after learning these important things about aescn.net

艾森ECU升级是大连一家集ECU升级,刷ECU,ECU改装,ECU维修,刷行车电脑,ECU加盟为一体的专业ECU升级连锁机构.主要为您提供不动硬件,只调电脑的汽车ECU升级,改装ECU升级服务,艾森支持除少数车型外的所有车进行ECU升级,ECU改装,刷ECU,动力提升等服务

Visit aescn.net

Key Findings

We analyzed Aescn.net page load time and found that the first response time was 725 ms and then it took 34.4 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.

Performance Metrics

aescn.net performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value33.1 s

0/100

25%

SI (Speed Index)

Value32.9 s

0/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

aescn.net

725 ms

main.css

247 ms

jquery-ui-1.8.9.custom.css

504 ms

jquery-1.7.min.js

705 ms

jquery.form.js

486 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 60% of them (84 requests) were addressed to the original Aescn.net, 13% (18 requests) were made to Static.bshare.cn and 6% (8 requests) were made to Bx.optimix.asia. The less responsive or slowest element that took the longest time to load (16.2 sec) relates to the external source Tajs.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (26%)

Content Size

4.0 MB

After Optimization

2.9 MB

In fact, the total size of Aescn.net main page is 4.0 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 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 63.9 kB

  • Original 78.5 kB
  • After minification 71.2 kB
  • After compression 14.6 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 63.9 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 316.4 kB

  • Original 3.0 MB
  • After minification 2.7 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. Aescn images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 582.9 kB

  • Original 772.1 kB
  • After minification 592.4 kB
  • After compression 189.1 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 582.9 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 91.3 kB

  • Original 108.3 kB
  • After minification 90.4 kB
  • After compression 17.0 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. Aescn.net needs all CSS files to be minified and compressed as it can save up to 91.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (44%)

Requests Now

131

After Optimization

73

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aescn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

aescn.net accessibility score

43

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

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

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.

Best Practices

aescn.net best practices score

58

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

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

aescn.net SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aescn.net 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 Aescn.net 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 Aescn. 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: