Tools & Wizards About Us
alighting.cn screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

alighting.cn

阿拉丁照明网-照明第一门户

Page Load Speed

20.8 sec in total

First Response

653 ms

Resources Loaded

18.5 sec

Page Rendered

1.7 sec

alighting.cn screenshot

About Website

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

阿拉丁照明网是光亚展览旗下照明行业网站，凭借广州国际照明展十余年行业资源，提供照明企业电子商务、照明媒体资讯聚合、照明行业交流学习、照明专业资料检索四位一体的网络应用，势必成为工程照明领域最具实力的综合服务商，是中国照明行业最专业最权威的门户网站。

Visit alighting.cn

Key Findings

We analyzed Alighting.cn page load time and found that the first response time was 653 ms and then it took 20.1 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.

Performance Metrics

alighting.cn performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

www.alighting.cn

653 ms

www.alighting.cn

1328 ms

newindex.css

655 ms

ds.js

1666 ms

jquery-1.7.2.min.js

1093 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 17% of them (26 requests) were addressed to the original Alighting.cn, 27% (40 requests) were made to Statics.alighting.cn and 27% (40 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (10.5 sec) relates to the external source Statics.alighting.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 645.5 kB (7%)

Content Size

8.9 MB

After Optimization

8.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alighting.cn main page is 8.9 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. 60% of websites need less resources to load. Images take 8.6 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 124.4 kB

  • Original 141.1 kB
  • After minification 128.4 kB
  • After compression 16.7 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 124.4 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 386.0 kB

  • Original 8.6 MB
  • After minification 8.2 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. Alighting images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 113.1 kB

  • Original 159.1 kB
  • After minification 141.8 kB
  • After compression 45.9 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 113.1 kB or 71% of the original size.

CSS Optimization

-79%

Potential reduce by 22.0 kB

  • Original 27.7 kB
  • After minification 25.4 kB
  • After compression 5.7 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. Alighting.cn needs all CSS files to be minified and compressed as it can save up to 22.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (48%)

Requests Now

130

After Optimization

68

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 130 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alighting. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.alighting.cn

www.alighting.cn

653 ms

www.alighting.cn

www.alighting.cn

1328 ms

newindex.css

newindex.css

655 ms

ds.js

ds.js

1666 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

1093 ms

User.js

User.js

1106 ms

alt_tabs.js

alt_tabs.js

454 ms

switch-around.js

switch-around.js

475 ms

cookie.js

cookie.js

676 ms

index.js

index.js

922 ms

index_baidu.js

index_baidu.js

875 ms

global.js

global.js

220 ms

GetToken

GetToken

443 ms

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678 ms

logo.gif

logo.gif

221 ms

gz.jpg

gz.jpg

223 ms

loading.gif

loading.gif

226 ms

update.png

update.png

222 ms

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220 ms

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439 ms

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1370 ms

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1373 ms

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1383 ms

mcpm

mcpm

1151 ms

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1131 ms

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910 ms

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1825 ms

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1568 ms

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1564 ms

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1349 ms

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1534 ms

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3080 ms

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10461 ms

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1887 ms

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1370 ms

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221 ms

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222 ms

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1724 ms

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283 ms

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2237 ms

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2259 ms

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2384 ms

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1376 ms

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1475 ms

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282 ms

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1335 ms

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286 ms

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1015 ms

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287 ms

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258 ms

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308 ms

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282 ms

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1128 ms

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287 ms

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506 ms

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294 ms

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364 ms

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283 ms

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218 ms

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281 ms

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284 ms

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336 ms

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284 ms

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221 ms

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311 ms

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218 ms

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387 ms

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313 ms

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276 ms

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285 ms

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368 ms

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274 ms

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935 ms

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237 ms

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222 ms

Accessibility Review

alighting.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.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

alighting.cn best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

alighting.cn SEO score

91

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Alighting.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 Alighting.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

alighting.cn

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