Report Summary

  • 90

    Performance

    Renders faster than
    91% 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

  • 58

    SEO

    Google-friendlier than
    20% of websites

oca.cn

::: cnYun.com 上海飞云流星美术设计有限公司(上海/北京) ::: .................................................................................................................

Page Load Speed

42.6 sec in total

First Response

6.2 sec

Resources Loaded

36.2 sec

Page Rendered

219 ms

oca.cn screenshot

About Website

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

上海飞云流星美术设计有限公司,SHANGHAI YUN&STAR ART,以策略引导创意;以创意缔造传奇。创意、美术、设计、后期、电修、网站

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Key Findings

We analyzed Oca.cn page load time and found that the first response time was 6.2 sec and then it took 36.4 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.

Performance Metrics

oca.cn performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

oca.cn

6152 ms

cnyuncom_styles.css

3005 ms

AC_RunActiveContent.js

1752 ms

yunr_count.asp

1018 ms

2012

502 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Oca.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Oca.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.6 kB (77%)

Content Size

40.8 kB

After Optimization

9.2 kB

In fact, the total size of Oca.cn main page is 40.8 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. Only 5% of websites need less resources to load. Javascripts take 23.0 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.8 kB

  • Original 8.7 kB
  • After minification 8.3 kB
  • After compression 2.9 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. 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 5.8 kB or 67% of the original size.

JavaScript Optimization

-79%

Potential reduce by 18.1 kB

  • Original 23.0 kB
  • After minification 13.9 kB
  • After compression 4.9 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 18.1 kB or 79% of the original size.

CSS Optimization

-84%

Potential reduce by 7.7 kB

  • Original 9.1 kB
  • After minification 7.1 kB
  • After compression 1.4 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. Oca.cn needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (52%)

Requests Now

29

After Optimization

14

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oca. 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.

Accessibility Review

oca.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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

oca.cn best practices score

75

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

Serves images with low resolution

SEO Factors

oca.cn SEO score

58

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

High

Document uses plugins

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 Oca.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 Oca.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 Oca. 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: