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name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value250 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

oceandesign.cn

3655 ms

global.css

3091 ms

jquery-1.6.2.min.js

19535 ms

focus.js

2596 ms

headBg.gif

804 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 68% of them (52 requests) were addressed to the original Oceandesign.cn, 21% (16 requests) were made to Qiao.baidu.com and 4% (3 requests) were made to P.qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Oceandesign.cn.

Content Size

178.3 kB

After Optimization

106.6 kB

In fact, the total size of Oceandesign.cn main page is 178.3 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. 20% of websites need less resources to load. Images take 102.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 22.8 kB

Original 28.4 kB
After minification 23.4 kB
After compression 5.5 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. This page needs HTML code to be minified as it can gain 5.0 kB, which is 18% 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 22.8 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 9.4 kB

Original 102.1 kB
After minification 92.6 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. Oceandesign images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 2.4 kB

Original 3.2 kB
After minification 2.5 kB
After compression 796 B

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 2.4 kB or 75% of the original size.

CSS Optimization

-83%

Potential reduce by 37.0 kB

Original 44.7 kB
After minification 33.0 kB
After compression 7.7 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. Oceandesign.cn needs all CSS files to be minified and compressed as it can save up to 37.0 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oceandesign. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

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 Oceandesign.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 Oceandesign.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

oceandesign.cn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

oceandesign.cn

global.css

jquery-1.6.2.min.js

focus.js

headBg.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

oceandesign.cn

global.css

jquery-1.6.2.min.js

focus.js

headBg.gif

logoBg.gif

logo.gif

tel.gif

navBg.gif

focus01.jpg

focus02.jpg

focus03.jpg

focus04.jpg

example.gif

dashed.gif

kongjun.jpg

3m.jpg

xinshen.jpg

shangyu.gif

changlong.gif

nodes.gif

hp.gif

30year.gif

hangtian.gif

haolunge.gif

kehu.gif

tsinghua.gif

guodian.jpg

zsy.jpg

qiyejia.jpg

picc.jpg

dangdang.gif

mlyh.jpg

aima.gif

demol.gif

nfdw.gif

gzkfq.gif

guoji.gif

serve.gif

h.js

ci.gif

vi.gif

book.gif

21.gif