Tools & Wizards About Us

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

siosunlight.com

SHENZHEN SIOSUN TECHNOLOGY CO.,LTD-LED lighting

Page Load Speed

12.6 sec in total

First Response

2.5 sec

Resources Loaded

9.7 sec

Page Rendered

371 ms

About Website

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

SIOSUN was established in 2007 and the factory is located in Dongguan. In 2010, Shenzhen SIOSUN LIGHTING LTD was established. The company integrates research and development, production and sales into...

Visit siosunlight.com

Key Findings

We analyzed Siosunlight.com page load time and found that the first response time was 2.5 sec and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

siosunlight.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.163

72/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

www.siosunlight.com

2519 ms

css.css

749 ms

S172.css

778 ms

normalize.css

782 ms

foundation-icons.css

186 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Siosunlight.com, 39% (32 requests) were made to File03.up71.com and 29% (24 requests) were made to Jscssimage.jz60.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Player.youku.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.2 kB (8%)

Content Size

603.1 kB

After Optimization

551.9 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Siosunlight.com main page is 603.1 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. 55% of websites need less resources to load. Javascripts take 536.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 31.3 kB

  • Original 37.6 kB
  • After minification 29.3 kB
  • After compression 6.3 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. This page needs HTML code to be minified as it can gain 8.3 kB, which is 22% 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 31.3 kB or 83% of the original size.

JavaScript Optimization

-3%

Potential reduce by 16.1 kB

  • Original 536.3 kB
  • After minification 535.9 kB
  • After compression 520.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 3.7 kB

  • Original 29.2 kB
  • After minification 29.2 kB
  • After compression 25.4 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. Siosunlight.com needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (84%)

Requests Now

32

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SIOSUN 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

siosunlight.com accessibility score

84

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

Links do not have a discernible name

Best Practices

siosunlight.com best practices score

50

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

High

Page has valid source maps

SEO Factors

siosunlight.com SEO score

78

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    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 Siosunlight.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 Siosunlight.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

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