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odk.com.cn screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

odk.com.cn

奥达康-保健食品申报_保健食品注册备案_保健食品批文转让

Page Load Speed

12.7 sec in total

First Response

2.5 sec

Resources Loaded

10.1 sec

Page Rendered

160 ms

odk.com.cn screenshot

About Website

Click here to check amazing Odk content. Otherwise, check out these important facts you probably never knew about odk.com.cn

奥达康（ODK），创建于2000年，为国内领先的保健食品注册机构，专业从事保健食品申报、保健食品备案、保健食品批文转让、新食品原料等大健康产品的研制开发和申报注册的技术服务公司，奥达康为客户提供研发申报的一站式全套解决方案，包括产品设计、实验室研究、产品注册申报、检测服务等。

Visit odk.com.cn

Key Findings

We analyzed Odk.com.cn page load time and found that the first response time was 2.5 sec and then it took 10.2 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

odk.com.cn performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value11.6 s

5/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.46

19/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

odk.com.cn

2482 ms

public.css

1337 ms

jquery.min.js

4764 ms

index.js

1352 ms

jquery.flexslider.js

1932 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Odk.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Odk.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 261.9 kB (48%)

Content Size

544.9 kB

After Optimization

283.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Odk.com.cn main page is 544.9 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 369.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 5.1 kB

  • Original 7.3 kB
  • After minification 7.2 kB
  • After compression 2.2 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. 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 5.1 kB or 70% of the original size.

Image Optimization

-37%

Potential reduce by 136.0 kB

  • Original 369.8 kB
  • After minification 233.8 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, Odk needs image optimization as it can save up to 136.0 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 109.3 kB

  • Original 153.6 kB
  • After minification 132.9 kB
  • After compression 44.3 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 109.3 kB or 71% of the original size.

CSS Optimization

-81%

Potential reduce by 11.5 kB

  • Original 14.3 kB
  • After minification 13.1 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. Odk.com.cn needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (16%)

Requests Now

19

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Odk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

odk.com.cn

odk.com.cn

2482 ms

public.css

public.css

1337 ms

jquery.min.js

jquery.min.js

4764 ms

index.js

index.js

1352 ms

jquery.flexslider.js

jquery.flexslider.js

1932 ms

jquery.SuperSlide.js

jquery.SuperSlide.js

1665 ms

1_1.png

1_1.png

1265 ms

1_2.png

1_2.png

1548 ms

1_3.png

1_3.png

1815 ms

top.png

top.png

786 ms

index_1.jpg

index_1.jpg

2337 ms

wel.jpg

wel.jpg

269 ms

wz.png

wz.png

525 ms

tips.png

tips.png

745 ms

l.png

l.png

1003 ms

r.png

r.png

1009 ms

logo.png

logo.png

1261 ms

link.jpg

link.jpg

3110 ms

ma.png

ma.png

1477 ms

anb.png

anb.png

1519 ms

Accessibility Review

odk.com.cn accessibility score

83

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.

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

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

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

Best Practices

odk.com.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

odk.com.cn SEO score

75

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

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

    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 Odk.com.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 Odk.com.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

odk.com.cn

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