Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

sinosled.com

China UV Light for AC, UVC LED Chip, UVC LED Strip Suppliers, Manufacturers, Factory - SINOS

Page Load Speed

3.6 sec in total

First Response

385 ms

Resources Loaded

2.7 sec

Page Rendered

536 ms

sinosled.com screenshot

About Website

Click here to check amazing SINOS LED content. Otherwise, check out these important facts you probably never knew about sinosled.com

Shenzhen Sinos Technology Co., Ltd: The best & safest UV light solutions for air conditioner & HVAC system & water treatment and LED lighting system for farm projects.

Visit sinosled.com

Key Findings

We analyzed Sinosled.com page load time and found that the first response time was 385 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 55% of websites can load faster.

Performance Metrics

sinosled.com performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

sinosled.com

385 ms

www.sinosled.com

544 ms

swiper.min.css

78 ms

style.css

73 ms

animate.css

85 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 67% of them (47 requests) were addressed to the original Sinosled.com, 16% (11 requests) were made to Css02.v15cdn.com and 9% (6 requests) were made to Js01.v15cdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Sinosled.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.6 kB (3%)

Content Size

1.3 MB

After Optimization

1.3 MB

In fact, the total size of Sinosled.com main page is 1.3 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 30.1 kB

  • Original 37.9 kB
  • After minification 36.4 kB
  • After compression 7.9 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 30.1 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 24 B

  • Original 1.1 MB
  • After minification 1.1 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. SINOS LED images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.1 kB

  • Original 93.5 kB
  • After minification 93.5 kB
  • After compression 91.5 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

-3%

Potential reduce by 465 B

  • Original 17.6 kB
  • After minification 17.6 kB
  • After compression 17.2 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. Sinosled.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

68

After Optimization

45

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SINOS LED. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sinosled.com accessibility score

88

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

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

Form elements do not have associated labels

Best Practices

sinosled.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

sinosled.com SEO score

85

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sinosled.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sinosled.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 data is detected on the main page of SINOS LED. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: