Tools & Wizards About Us
rkl.cn screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

rkl.cn

深圳市乐可利电子有限公司

Page Load Speed

38.2 sec in total

First Response

2.2 sec

Resources Loaded

35.9 sec

Page Rendered

171 ms

rkl.cn screenshot

About Website

Click here to check amazing Rkl content for China. Otherwise, check out these important facts you probably never knew about rkl.cn

深圳市乐可利电子有限公司是进口安防产品的代理公司，代理品牌包括：以色列RISCO防盗 | 加拿大MCDI报警接收机 | 乐可利防盗 。 乐可利凭借着强大的技术后盾、专业化管理、完善的供销渠道、卓越的售前售后服务，不断发展壮大。产品包括：有线/无线防盗报警主机、微波/红外探测器、振动探测器、玻璃破碎探测器、对射、报警中心。我公司基于数字化、网络化推出最新多网合一视频管理平台。

Visit rkl.cn

Key Findings

We analyzed Rkl.cn page load time and found that the first response time was 2.2 sec and then it took 36 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 8 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

rkl.cn performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

92/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.313

37/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

rkl.cn

2201 ms

css.css

2546 ms

banner.css

998 ms

jquery-1.7.1.min.js

7976 ms

jquery.touchSlider.js

1983 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 96% of them (24 requests) were addressed to the original Rkl.cn, 4% (1 request) were made to Trust.cctvmall.cn. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Rkl.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.2 kB (27%)

Content Size

420.7 kB

After Optimization

307.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rkl.cn main page is 420.7 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. Only 10% of websites need less resources to load. Images take 281.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 6.3 kB

  • Original 8.8 kB
  • After minification 8.5 kB
  • After compression 2.5 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 6.3 kB or 71% of the original size.

Image Optimization

-6%

Potential reduce by 17.0 kB

  • Original 281.9 kB
  • After minification 264.9 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. Rkl images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 79.2 kB

  • Original 116.7 kB
  • After minification 107.8 kB
  • After compression 37.4 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 79.2 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 10.6 kB

  • Original 13.3 kB
  • After minification 10.7 kB
  • After compression 2.7 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. Rkl.cn needs all CSS files to be minified and compressed as it can save up to 10.6 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rkl. According to our analytics all requests are already optimized.

Network Requests Diagram

rkl.cn

rkl.cn

2201 ms

css.css

css.css

2546 ms

banner.css

banner.css

998 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

7976 ms

jquery.touchSlider.js

jquery.touchSlider.js

1983 ms

cctvmallad.js

cctvmallad.js

2256 ms

t_bj.jpg

t_bj.jpg

4625 ms

logo.png

logo.png

7511 ms

1.png

1.png

530 ms

2.png

2.png

548 ms

l.jpg

l.jpg

4505 ms

z.jpg

z.jpg

4761 ms

r.jpg

r.jpg

16900 ms

20151026022539389.jpg

20151026022539389.jpg

20168 ms

20151013031316103.jpg

20151013031316103.jpg

20168 ms

20151013031326443.jpg

20151013031326443.jpg

20168 ms

20151013031439511.jpg

20151013031439511.jpg

13634 ms

20151013031516285.jpg

20151013031516285.jpg

20167 ms

20151013031530588.jpg

20151013031530588.jpg

20167 ms

left.png

left.png

18408 ms

right.png

right.png

19076 ms

sz.jpg

sz.jpg

20166 ms

20151123090512600.jpg

20151123090512600.jpg

20142 ms

small-star.jpg

small-star.jpg

1768 ms

close.png

close.png

19619 ms

Accessibility Review

rkl.cn accessibility score

63

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

rkl.cn best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

rkl.cn SEO score

69

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

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 Rkl.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 Rkl.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

rkl.cn

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