Tools & Wizards About Us
china-oceanus.com screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

china-oceanus.com

Gas detector - multi type gas detector, gas analyzer, air quality monitor system manufacturer from Oceanus

Page Load Speed

12 sec in total

First Response

1.7 sec

Resources Loaded

10.1 sec

Page Rendered

214 ms

china-oceanus.com screenshot

About Website

Welcome to china-oceanus.com homepage info - get ready to check China Oceanus best content right away, or after learning these important things about china-oceanus.com

Oceanus is professional of the Gad detector and Air quality monitor system solutions, and is committed to provide more added service and the Purchasing center service.

Visit china-oceanus.com

Key Findings

We analyzed China-oceanus.com page load time and found that the first response time was 1.7 sec and then it took 10.3 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

china-oceanus.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

china-oceanus.com

1654 ms

style.css

642 ms

common.css

850 ms

jquery.min.js

1523 ms

functions.js

654 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 84% of them (92 requests) were addressed to the original China-oceanus.com, 11% (12 requests) were made to Bdimg.share.baidu.com and 3% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (5.6 sec) belongs to the original domain China-oceanus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 835.9 kB (15%)

Content Size

5.4 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of China-oceanus.com main page is 5.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 33.2 kB

  • Original 40.8 kB
  • After minification 40.1 kB
  • After compression 7.5 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 33.2 kB or 82% of the original size.

Image Optimization

-15%

Potential reduce by 788.9 kB

  • Original 5.3 MB
  • After minification 4.5 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. Obviously, China Oceanus needs image optimization as it can save up to 788.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 12.0 kB

  • Original 119.6 kB
  • After minification 119.3 kB
  • After compression 107.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-27%

Potential reduce by 1.8 kB

  • Original 6.4 kB
  • After minification 6.4 kB
  • After compression 4.6 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. China-oceanus.com needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (18%)

Requests Now

108

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Oceanus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

china-oceanus.com

china-oceanus.com

1654 ms

style.css

style.css

642 ms

common.css

common.css

850 ms

jquery.min.js

jquery.min.js

1523 ms

functions.js

functions.js

654 ms

FocusSlide.js

FocusSlide.js

654 ms

ScrollPic.js

ScrollPic.js

646 ms

iepngfix_tilebg.js

iepngfix_tilebg.js

893 ms

h.js

h.js

650 ms

index_bg.jpg

index_bg.jpg

870 ms

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1120 ms

search_bg.gif

search_bg.gif

221 ms

nav_bg.png

nav_bg.png

221 ms

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428 ms

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1725 ms

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693 ms

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1506 ms

left_bg.gif

left_bg.gif

639 ms

topic_bg1.gif

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849 ms

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927 ms

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1059 ms

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1080 ms

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1143 ms

skype.png

skype.png

1269 ms

box_bg1.jpg

box_bg1.jpg

1297 ms

block_bg1.gif

block_bg1.gif

1336 ms

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1388 ms

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1712 ms

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1544 ms

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1797 ms

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2011 ms

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2002 ms

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2036 ms

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2305 ms

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2611 ms

analytics.js

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20 ms

hm.js

hm.js

719 ms

share.js

share.js

795 ms

collect

collect

12 ms

js

js

63 ms

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2259 ms

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1918 ms

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1880 ms

hm.js

hm.js

1175 ms

share_api.js

share_api.js

324 ms

share_view.js

share_view.js

568 ms

select_api.js

select_api.js

531 ms

select_view.js

select_view.js

571 ms

image_api.js

image_api.js

574 ms

image_view.js

image_view.js

568 ms

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1932 ms

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1714 ms

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1773 ms

tangram.js

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449 ms

api_base.js

api_base.js

495 ms

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1694 ms

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view_base.js

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282 ms

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share_style1_16.css

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284 ms

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hm.gif

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1865 ms

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1991 ms

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1984 ms

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pro_arrow_right.gif

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2124 ms

nav_bg.png

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2047 ms

sprite.png

sprite.png

2067 ms

logger.js

logger.js

283 ms

Accessibility Review

china-oceanus.com accessibility score

57

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

Form elements do not have associated labels

Best Practices

china-oceanus.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

china-oceanus.com SEO score

58

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

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise China-oceanus.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 China-oceanus.com 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

china-oceanus.com

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