Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

okm.cn

东莞市沃科玛网络科技有限公司/无纸化会议系统升降器/电子会议桌牌/会议翻转器/会议摄像头/会议话筒/视频会议终端机/会议终端主机/音频处理器/反馈抑制器/会议室音响/电源时序器/投影仪吊架/投影仪墙壁翻转器/音箱翻转吊架/话筒吊架/电视天花翻转器/摄像头升降器/矩阵

Page Load Speed

27.6 sec in total

First Response

1.6 sec

Resources Loaded

21.9 sec

Page Rendered

4 sec

okm.cn screenshot

About Website

Click here to check amazing Okm content. Otherwise, check out these important facts you probably never knew about okm.cn

东莞市沃科玛网络科技有限公司/无纸化会议系统升降器/电子会议桌牌/会议翻转器/会议摄像头/会议话筒/视频会议终端机/会议终端主机/音频处理器/反馈抑制器/会议室音响/电源时序器/投影仪吊架/投影仪墙壁翻转器/音箱翻转吊架/话筒吊架/电视天花翻转器/摄像头升降器/矩阵

Visit okm.cn

Key Findings

We analyzed Okm.cn page load time and found that the first response time was 1.6 sec and then it took 25.9 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

okm.cn performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value22.5 s

0/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.264

47/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

okm.cn

1625 ms

jquery-3.3.1.min.js

1167 ms

a.whir.menu.js

744 ms

a.whir.search.js

518 ms

jquery.bxslider.js

1042 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 98% of them (46 requests) were addressed to the original Okm.cn, 2% (1 request) were made to . The less responsive or slowest element that took the longest time to load (19.5 sec) belongs to the original domain Okm.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 236.1 kB (6%)

Content Size

4.2 MB

After Optimization

4.0 MB

In fact, the total size of Okm.cn main page is 4.2 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. 45% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 30.5 kB

  • Original 37.7 kB
  • After minification 27.5 kB
  • After compression 7.2 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 10.2 kB, which is 27% 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 30.5 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 160.9 kB

  • Original 4.0 MB
  • After minification 3.9 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. Okm images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 33.1 kB

  • Original 83.4 kB
  • After minification 83.4 kB
  • After compression 50.3 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 33.1 kB or 40% of the original size.

CSS Optimization

-35%

Potential reduce by 11.6 kB

  • Original 33.6 kB
  • After minification 33.6 kB
  • After compression 22.0 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. Okm.cn needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (17%)

Requests Now

42

After Optimization

35

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Okm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

okm.cn accessibility score

64

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

okm.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

okm.cn SEO score

74

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

High

robots.txt is not valid

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 Okm.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 Okm.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 Okm. 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: