Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

nerigenius.hardwareinfo.cn

深圳万里空调拆装维修公司 - 首页

Page Load Speed

55.7 sec in total

First Response

11.6 sec

Resources Loaded

44 sec

Page Rendered

156 ms

nerigenius.hardwareinfo.cn screenshot

About Website

Welcome to nerigenius.hardwareinfo.cn homepage info - get ready to check Nerigenius Hardwareinfo best content for China right away, or after learning these important things about nerigenius.hardwareinfo.cn

 深圳空调安装-深圳空调维修-深圳万里空调拆装维修公司*安装,维修各种*空调及电器,坚持质量*和诚信经营是公司的经营原则,现与多家宾馆、饭店、学校、等各企 事业单位保持着良好的服务合作关系。本公司在多年的深圳空调拆装,维修工作中注重员工素质及*技术人员的...

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Key Findings

We analyzed Nerigenius.hardwareinfo.cn page load time and found that the first response time was 11.6 sec and then it took 44.1 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 were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

nerigenius.hardwareinfo.cn performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

nerigenius.hardwareinfo.cn

11585 ms

css.css

8182 ms

c.js

728 ms

f.js

970 ms

bg.jpg

19986 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 28% of them (12 requests) were addressed to the original Nerigenius.hardwareinfo.cn, 23% (10 requests) were made to Cpro.baidustatic.com and 23% (10 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Nerigenius.hardwareinfo.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 290.5 kB (60%)

Content Size

483.5 kB

After Optimization

193.0 kB

In fact, the total size of Nerigenius.hardwareinfo.cn main page is 483.5 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. Javascripts take 377.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 18.2 kB

  • Original 22.5 kB
  • After minification 22.0 kB
  • After compression 4.3 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 18.2 kB or 81% of the original size.

Image Optimization

-14%

Potential reduce by 9.9 kB

  • Original 71.9 kB
  • After minification 62.0 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, Nerigenius Hardwareinfo needs image optimization as it can save up to 9.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 253.5 kB

  • Original 377.8 kB
  • After minification 377.8 kB
  • After compression 124.2 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 253.5 kB or 67% of the original size.

CSS Optimization

-78%

Potential reduce by 8.9 kB

  • Original 11.4 kB
  • After minification 10.6 kB
  • After compression 2.5 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. Nerigenius.hardwareinfo.cn needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (51%)

Requests Now

39

After Optimization

19

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nerigenius Hardwareinfo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

nerigenius.hardwareinfo.cn accessibility score

61

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

nerigenius.hardwareinfo.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nerigenius.hardwareinfo.cn SEO score

71

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

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nerigenius.hardwareinfo.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 Nerigenius.hardwareinfo.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 Nerigenius Hardwareinfo. 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: