Report Summary

  • 47

    Performance

    Renders faster than
    64% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    68% of websites

  • 83

    SEO

    Google-friendlier than
    57% of websites

novastar-led.cn

西安诺瓦星云科技股份有限公司

Page Load Speed

66.6 sec in total

First Response

3.5 sec

Resources Loaded

62.7 sec

Page Rendered

425 ms

novastar-led.cn screenshot

About Website

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

诺瓦星云是一家专业LED显示解决方案服务商,致力于以技术推动显示行业的产业升级。凭借持续的创新能力、突出的定制能力、优秀的服务能力、完善的交付能力,赢得了全球客户的信任!

Visit novastar-led.cn

Key Findings

We analyzed Novastar-led.cn page load time and found that the first response time was 3.5 sec and then it took 63.1 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. Unfortunately, there were 36 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

novastar-led.cn performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.197

63/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

novastar-led.cn

3514 ms

css.css

2038 ms

jquery.js

19208 ms

bgstretcher.js

19598 ms

jquery.SuperSlide.source.js

1282 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 83% of them (55 requests) were addressed to the original Novastar-led.cn, 11% (7 requests) were made to Bdimg.share.baidu.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Bdimg.share.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.6 kB (74%)

Content Size

170.0 kB

After Optimization

44.4 kB

In fact, the total size of Novastar-led.cn main page is 170.0 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. 15% of websites need less resources to load. Javascripts take 75.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 42.7 kB

  • Original 53.6 kB
  • After minification 38.2 kB
  • After compression 10.9 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. This page needs HTML code to be minified as it can gain 15.3 kB, which is 29% 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 42.7 kB or 80% of the original size.

Image Optimization

-28%

Potential reduce by 3.2 kB

  • Original 11.3 kB
  • After minification 8.1 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. Obviously, Novastar Led needs image optimization as it can save up to 3.2 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 54.8 kB

  • Original 75.4 kB
  • After minification 64.5 kB
  • After compression 20.6 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 54.8 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 25.0 kB

  • Original 29.8 kB
  • After minification 22.4 kB
  • After compression 4.8 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. Novastar-led.cn needs all CSS files to be minified and compressed as it can save up to 25.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (55%)

Requests Now

29

After Optimization

13

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Novastar 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 as a result speed up the page load time.

Accessibility Review

novastar-led.cn accessibility score

54

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

novastar-led.cn 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

High

Page has valid source maps

SEO Factors

novastar-led.cn SEO score

83

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

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 Novastar-led.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 Novastar-led.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

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