Tools & Wizards About Us
raysharp.cn screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

raysharp.cn

安联锐视-专业的安防视频监控解决方案提供商，网络摄像机NVR,硬盘录像机DVR,数字硬盘录像机,车载硬盘录像机

Page Load Speed

19 sec in total

First Response

4.2 sec

Resources Loaded

14.8 sec

Page Rendered

107 ms

raysharp.cn screenshot

About Website

Click here to check amazing Raysharp content for Ukraine. Otherwise, check out these important facts you probably never knew about raysharp.cn

安联锐视，专业的安防视频监控解决方案提供商，依靠自主研发和持续创新向客户提供优质的安防监控产品和领先的系统解决方案。

Visit raysharp.cn

Key Findings

We analyzed Raysharp.cn page load time and found that the first response time was 4.2 sec and then it took 14.9 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

raysharp.cn performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

raysharp.cn

4167 ms

reset.css

1263 ms

common.css

1267 ms

style.css

1307 ms

jquery.js

3940 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to Raysharp.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (7.3 sec) belongs to the original domain Raysharp.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 187.7 kB (40%)

Content Size

474.8 kB

After Optimization

287.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Raysharp.cn main page is 474.8 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. 25% of websites need less resources to load. Images take 333.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 13.6 kB

  • Original 17.3 kB
  • After minification 13.0 kB
  • After compression 3.7 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 4.3 kB, which is 25% 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 13.6 kB or 79% of the original size.

Image Optimization

-27%

Potential reduce by 90.3 kB

  • Original 333.6 kB
  • After minification 243.3 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, Raysharp needs image optimization as it can save up to 90.3 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 61.2 kB

  • Original 95.4 kB
  • After minification 94.5 kB
  • After compression 34.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 61.2 kB or 64% of the original size.

CSS Optimization

-79%

Potential reduce by 22.6 kB

  • Original 28.6 kB
  • After minification 25.0 kB
  • After compression 6.0 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. Raysharp.cn needs all CSS files to be minified and compressed as it can save up to 22.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (17%)

Requests Now

30

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Raysharp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

raysharp.cn

raysharp.cn

4167 ms

reset.css

reset.css

1263 ms

common.css

common.css

1267 ms

style.css

style.css

1307 ms

jquery.js

jquery.js

3940 ms

main.js

main.js

1311 ms

logo.png

logo.png

657 ms

gp.png

gp.png

657 ms

up.gif

up.gif

629 ms

china.jpg

china.jpg

1964 ms

line.gif

line.gif

653 ms

phone.png

phone.png

630 ms

searchbj.png

searchbj.png

1255 ms

dbg.png

dbg.png

1257 ms

1372394400_90.png

1372394400_90.png

2632 ms

1369378318_44.jpg

1369378318_44.jpg

7283 ms

1369378298_13.jpg

1369378298_13.jpg

1304 ms

1369378282_42.jpg

1369378282_42.jpg

3190 ms

1369378332_73.jpg

1369378332_73.jpg

2537 ms

1371542873_80.jpg

1371542873_80.jpg

4325 ms

s_01.jpg

s_01.jpg

2640 ms

s_02.jpg

s_02.jpg

3194 ms

s_03.jpg

s_03.jpg

3307 ms

s_04.jpg

s_04.jpg

3316 ms

foot_line2.gif

foot_line2.gif

3836 ms

sina.png

sina.png

3840 ms

qq.png

qq.png

3979 ms

blog.png

blog.png

3991 ms

alibaba.png

alibaba.png

6481 ms

dot.gif

dot.gif

4465 ms

footbj.jpg

footbj.jpg

4640 ms

Accessibility Review

raysharp.cn accessibility score

54

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

[id] attributes on active, focusable elements are not unique

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

raysharp.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

raysharp.cn SEO score

62

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

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 Raysharp.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 Raysharp.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

raysharp.cn

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