Tools & Wizards About Us
cslamp.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

cslamp.com

LED Lights Manufacturer - Buy LED Lights Online | CISUN LIGHTING

Page Load Speed

4.3 sec in total

First Response

325 ms

Resources Loaded

3.6 sec

Page Rendered

423 ms

cslamp.com screenshot

About Website

Welcome to cslamp.com homepage info - get ready to check Cslamp best content right away, or after learning these important things about cslamp.com

CISUN LIGHTING is a reliable LED lighting company in China, providing high quality products for all your lighting needs. Order LED products at an affordable price!

Visit cslamp.com

Key Findings

We analyzed Cslamp.com page load time and found that the first response time was 325 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cslamp.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value1,460 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

cslamp.com

325 ms

www.cslamp.com

294 ms

js

109 ms

gtm.js

196 ms

bootstrap.css

729 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Cslamp.com, 87% (55 requests) were made to Cdn.smdlamp.cn and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Cdn.smdlamp.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.4 kB (5%)

Content Size

1.1 MB

After Optimization

999.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cslamp.com main page is 1.1 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. 25% of websites need less resources to load. Images take 878.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 43.8 kB

  • Original 54.8 kB
  • After minification 42.3 kB
  • After compression 11.0 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. This page needs HTML code to be minified as it can gain 12.5 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 43.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 519 B

  • Original 878.1 kB
  • After minification 877.5 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. Cslamp images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 5.7 kB

  • Original 76.4 kB
  • After minification 76.4 kB
  • After compression 70.7 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

-10%

Potential reduce by 4.5 kB

  • Original 45.1 kB
  • After minification 44.7 kB
  • After compression 40.6 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. Cslamp.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (55%)

Requests Now

56

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cslamp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cslamp.com

cslamp.com

325 ms

www.cslamp.com

www.cslamp.com

294 ms

js

js

109 ms

gtm.js

gtm.js

196 ms

bootstrap.css

bootstrap.css

729 ms

font-awesome.min.css

font-awesome.min.css

671 ms

flexnav.css

flexnav.css

635 ms

bootstrap-touch-slider.css

bootstrap-touch-slider.css

944 ms

style.css

style.css

705 ms

me.css

me.css

636 ms

jquery-1.8.3.js

jquery-1.8.3.js

917 ms

bootstrap.min.js

bootstrap.min.js

830 ms

pgwmenu.min.js

pgwmenu.min.js

830 ms

jquery.velocity.min.js

jquery.velocity.min.js

927 ms

mainscript.js

mainscript.js

922 ms

jquery.flexisel.js

jquery.flexisel.js

1300 ms

modernizr.js

modernizr.js

1016 ms

demo.js

demo.js

994 ms

slick.js

slick.js

1024 ms

easyResponsiveTabs.js

easyResponsiveTabs.js

1088 ms

smoothproducts.min.js

smoothproducts.min.js

1019 ms

nav.js

nav.js

1070 ms

sharethis.js

sharethis.js

16 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

963 ms

top-email.png

top-email.png

50 ms

sns_f.png

sns_f.png

52 ms

sns_t.png

sns_t.png

52 ms

5b21ed9920f074.23402588.png

5b21ed9920f074.23402588.png

60 ms

nav-search.png

nav-search.png

50 ms

65056879d476e3.21768308.jpg

65056879d476e3.21768308.jpg

223 ms

5b23cc8b9eaf71.08006285.jpg

5b23cc8b9eaf71.08006285.jpg

110 ms

5b23cd321bb8d7.56095352.jpg

5b23cd321bb8d7.56095352.jpg

111 ms

5b23cdde9fa638.09512652.jpg

5b23cdde9fa638.09512652.jpg

159 ms

5b23cf15bb70c8.96101063.jpg

5b23cf15bb70c8.96101063.jpg

115 ms

5b23d1b8b81111.84622531.jpg

5b23d1b8b81111.84622531.jpg

119 ms

5b23d55dec62f2.26076290.jpg

5b23d55dec62f2.26076290.jpg

175 ms

5b23d76d8eebb6.19651100.jpg

5b23d76d8eebb6.19651100.jpg

172 ms

5b23eaca64cbf6.97172352.jpg

5b23eaca64cbf6.97172352.jpg

173 ms

5e8bd92213e681.38274479.jpg

5e8bd92213e681.38274479.jpg

184 ms

623d2f85775fe3.54753152.jpg

623d2f85775fe3.54753152.jpg

244 ms

652f7e8c39ba65.90062933.jpg

652f7e8c39ba65.90062933.jpg

257 ms

5e708d17857a25.27974178.jpg

5e708d17857a25.27974178.jpg

226 ms

5ebb4e606c3ec5.19839492.jpg

5ebb4e606c3ec5.19839492.jpg

237 ms

639af4247a6686.28309410.jpg

639af4247a6686.28309410.jpg

284 ms

648d8030f175f2.31335287.jpg

648d8030f175f2.31335287.jpg

279 ms

6523c9a61b89e1.11022445.jpg

6523c9a61b89e1.11022445.jpg

290 ms

6497e3157e11e7.86368932.jpg

6497e3157e11e7.86368932.jpg

313 ms

5b36e86475a994.09744346.jpg

5b36e86475a994.09744346.jpg

354 ms

5b24c00c20d285.16699152.jpg

5b24c00c20d285.16699152.jpg

357 ms

5b24c23676a196.16410834.jpg

5b24c23676a196.16410834.jpg

358 ms

f_sns1.png

f_sns1.png

334 ms

f_sns2

f_sns2

587 ms

ser-30.png

ser-30.png

362 ms

service05.png

service05.png

384 ms

service03.png

service03.png

404 ms

service02.png

service02.png

409 ms

top.png

top.png

406 ms

poppins-regular.woff2

poppins-regular.woff2

866 ms

poppins-semibold.woff2

poppins-semibold.woff2

858 ms

raleway-bold.woff2

raleway-bold.woff2

751 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

896 ms

xfbml.customerchat.js

xfbml.customerchat.js

38 ms

59 ms

Accessibility Review

cslamp.com accessibility score

60

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

High

Links do not have a discernible name

Best Practices

cslamp.com 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

cslamp.com SEO score

85

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

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

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 Cslamp.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 Cslamp.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

cslamp.com

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