Tools & Wizards About Us
csl-light.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

csl-light.com

Guangzhou Chuangsheng Stage Lighting and Sound Equipment Co.,Ltd.

Page Load Speed

4.3 sec in total

First Response

977 ms

Resources Loaded

3 sec

Page Rendered

374 ms

csl-light.com screenshot

About Website

Visit csl-light.com now to see the best up-to-date Csl Light content and also check out these interesting facts you probably never knew about csl-light.com

Guangzhou chuangsheng stage lighting, CSL PROLIGHT, CSL Light, CSL LED SPOT, CSL LED MOVING, CSLspotlight, CSL movinghead, CSL LED Lighting, CSL LED beam, MovingheadsCSL

Visit csl-light.com

Key Findings

We analyzed Csl-light.com page load time and found that the first response time was 977 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

csl-light.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

csl-light.com

977 ms

outerChain.jsp

955 ms

siteBase2.min.css

501 ms

base2.min.css

501 ms

module.min.css

495 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 7% of them (5 requests) were addressed to the original Csl-light.com, 29% (21 requests) were made to 16610705.s21i.faiusr.com and 22% (16 requests) were made to 2.ss.508sys.com. The less responsive or slowest element that took the longest time to load (977 ms) belongs to the original domain Csl-light.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.7 kB (7%)

Content Size

3.8 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csl-light.com main page is 3.8 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. Only a small number of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 147.2 kB

  • Original 182.7 kB
  • After minification 179.3 kB
  • After compression 35.5 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 147.2 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 118.4 kB

  • Original 2.6 MB
  • After minification 2.4 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. Csl Light images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 9 B

  • Original 876.1 kB
  • After minification 876.1 kB
  • After compression 876.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 148 B

  • Original 132.2 kB
  • After minification 132.2 kB
  • After compression 132.1 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. Csl-light.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 35 (49%)

Requests Now

71

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csl Light. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

csl-light.com

csl-light.com

977 ms

outerChain.jsp

outerChain.jsp

955 ms

siteBase2.min.css

siteBase2.min.css

501 ms

base2.min.css

base2.min.css

501 ms

module.min.css

module.min.css

495 ms

fkTheme.min.css

fkTheme.min.css

588 ms

themeMixin.min.css

themeMixin.min.css

497 ms

moduleAnimation.min.css

moduleAnimation.min.css

496 ms

fkModule.min.css

fkModule.min.css

592 ms

fkModule.min.css

fkModule.min.css

583 ms

fkModule.min.css

fkModule.min.css

580 ms

newSearchBoxStyle.min.css

newSearchBoxStyle.min.css

495 ms

jzcusstyle.jsp

jzcusstyle.jsp

652 ms

vue-2.7.14.min.js

vue-2.7.14.min.js

458 ms

comMethods.min.js

comMethods.min.js

458 ms

jzUtils.min.js

jzUtils.min.js

451 ms

polyfill.min.js

polyfill.min.js

461 ms

jzRequest.min.js

jzRequest.min.js

461 ms

jzUtils.min.js

jzUtils.min.js

459 ms

bizShared.min.js

bizShared.min.js

457 ms

bizShared.min.css

bizShared.min.css

458 ms

jquery-core.min.js

jquery-core.min.js

457 ms

jquery-mousewheel.min.js

jquery-mousewheel.min.js

458 ms

frontend.min.js

frontend.min.js

460 ms

jquery-ui-core.min.js

jquery-ui-core.min.js

472 ms

partitionSite.min.js

partitionSite.min.js

471 ms

1033.min.js

1033.min.js

457 ms

site.min.js

site.min.js

470 ms

module.min.js

module.min.js

470 ms

jquery-effects.min.js

jquery-effects.min.js

471 ms

fontsIco.min.css

fontsIco.min.css

289 ms

hawkEye.min.js

hawkEye.min.js

333 ms

national.png

national.png

36 ms

ABUIABAEGAAg9fLZqwYo-YLNSTCoCDjrAw.png

ABUIABAEGAAg9fLZqwYo-YLNSTCoCDjrAw.png

358 ms

dot.gif

dot.gif

288 ms

loading_2.gif

loading_2.gif

354 ms

ABUIABACGAAg3-blqwYo0I_48wYwgA84vAU.jpg.webp

ABUIABACGAAg3-blqwYo0I_48wYwgA84vAU.jpg.webp

328 ms

ABUIABAEGAAg5_naqwYovK36uQIwkAo44AY!400x400.png

ABUIABAEGAAg5_naqwYovK36uQIwkAo44AY!400x400.png

328 ms

ABUIABACGAAg2OnaqwYokKy8jgQwwAw4qgg!400x400.jpg

ABUIABACGAAg2OnaqwYokKy8jgQwwAw4qgg!400x400.jpg

327 ms

ABUIABAEGAAgzunaqwYo7brSnwQwoBQ4wA0!400x400.png

ABUIABAEGAAgzunaqwYo7brSnwQwoBQ4wA0!400x400.png

328 ms

ABUIABACGAAggOTaqwYo_t6BZjDADDiqCA!400x400.jpg

ABUIABACGAAggOTaqwYo_t6BZjDADDiqCA!400x400.jpg

328 ms

ABUIABACGAAgvunaqwYo-_LUowQwwAw4qgg!400x400.jpg

ABUIABACGAAgvunaqwYo-_LUowQwwAw4qgg!400x400.jpg

327 ms

ABUIABACGAAgqJy6kgYo3IjBoQIw-AI4pwI.jpg

ABUIABACGAAgqJy6kgYo3IjBoQIw-AI4pwI.jpg

329 ms

ABUIABACGAAg3ry6kgYo6IvInAYw-AI4pwI.jpg

ABUIABACGAAg3ry6kgYo6IvInAYw-AI4pwI.jpg

330 ms

ABUIABACGAAg8cu6kgYokvSkTTD8AjinAg.jpg

ABUIABACGAAg8cu6kgYokvSkTTD8AjinAg.jpg

329 ms

ABUIABACGAAgh9q6kgYohLOv0wcw-AI4pwI.jpg

ABUIABACGAAgh9q6kgYohLOv0wcw-AI4pwI.jpg

340 ms

ABUIABACGAAgncC6kgYo4ITO0gUw-AI4pwI.jpg

ABUIABACGAAgncC6kgYo4ITO0gUw-AI4pwI.jpg

331 ms

ABUIABACGAAgqNG6kgYo0OWwJzD8AjinAg.jpg

ABUIABACGAAgqNG6kgYo0OWwJzD8AjinAg.jpg

330 ms

ABUIABACGAAgm8_6kgYo8OyHqwUw-AI4pwI.jpg

ABUIABACGAAgm8_6kgYo8OyHqwUw-AI4pwI.jpg

341 ms

ABUIABACGAAgo8W6kgYonoWJyQQw-AI4pwI.jpg

ABUIABACGAAgo8W6kgYonoWJyQQw-AI4pwI.jpg

330 ms

ABUIABAEGAAg5cLuqwYo9Pi0zQIwsAk4sAk.png

ABUIABAEGAAg5cLuqwYo9Pi0zQIwsAk4sAk.png

340 ms

locater_Arrow3.png

locater_Arrow3.png

253 ms

vbg01.png

vbg01.png

255 ms

sound_0_on.gif

sound_0_on.gif

254 ms

site_h.jsp

site_h.jsp

274 ms

login_h.jsp

login_h.jsp

255 ms

bannerAnimation.min.css

bannerAnimation.min.css

8 ms

left.png

left.png

71 ms

right.png

right.png

72 ms

photoSlide.min.js

photoSlide.min.js

52 ms

imageEffect.min.js

imageEffect.min.js

52 ms

loading_2b.gif

loading_2b.gif

22 ms

04.png

04.png

21 ms

setCookie_h.jsp

setCookie_h.jsp

263 ms

productSlide.min.css

productSlide.min.css

35 ms

ABUIABACGAAg3-blqwYo0I_48wYwgA84vAU.jpg.webp

ABUIABACGAAg3-blqwYo0I_48wYwgA84vAU.jpg.webp

41 ms

ABUIABACGAAg3-blqwYoysjeETCADzi8BQ.jpg.webp

ABUIABACGAAg3-blqwYoysjeETCADzi8BQ.jpg.webp

41 ms

ABUIABACGAAg3-blqwYogIj77wUwgA84vAU.jpg.webp

ABUIABACGAAg3-blqwYogIj77wUwgA84vAU.jpg.webp

40 ms

ABUIABACGAAg3-blqwYo6_3VlwcwgA84vAU.jpg.webp

ABUIABACGAAg3-blqwYo6_3VlwcwgA84vAU.jpg.webp

40 ms

ABUIABACGAAgyJOlswYo1JvMvwcwpg04-Ak!1500x1500.jpg

ABUIABACGAAgyJOlswYo1JvMvwcwpg04-Ak!1500x1500.jpg

383 ms

svg.min.js

svg.min.js

11 ms

productSlide.min.js

productSlide.min.js

31 ms

Accessibility Review

csl-light.com accessibility score

59

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

csl-light.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

csl-light.com SEO score

62

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csl-light.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Csl-light.com 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

csl-light.com

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