Access imarine.cn. 龙de船人-船舶、海工、航运信息服务平台

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

imarine.cn

2729 ms

portal.php

4658 ms

style_21_common.css

2702 ms

style_21_portal_index.css

1280 ms

common.js

5457 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 63% of them (82 requests) were addressed to the original Imarine.cn, 19% (25 requests) were made to Pos.baidu.com and 8% (11 requests) were made to Ubmcmm.baidustatic.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Cbjslog.baidu.com.

Content Size

746.3 kB

After Optimization

413.1 kB

In fact, the total size of Imarine.cn main page is 746.3 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. 30% of websites need less resources to load. Images take 296.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 93.3 kB

Original 114.0 kB
After minification 111.7 kB
After compression 20.8 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 93.3 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 11.5 kB

Original 296.3 kB
After minification 284.8 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. Imarine images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 153.0 kB

Original 245.6 kB
After minification 239.9 kB
After compression 92.5 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 153.0 kB or 62% of the original size.

CSS Optimization

-83%

Potential reduce by 75.4 kB

Original 90.4 kB
After minification 66.3 kB
After compression 15.0 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. Imarine.cn needs all CSS files to be minified and compressed as it can save up to 75.4 kB or 83% of the original size.

Requests Now

122

After Optimization

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imarine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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 items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Imarine.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 Imarine.cn main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

imarine.cn

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

龙de船人-船舶、海工、航运信息服务平台

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

imarine.cn

portal.php

style_21_common.css

style_21_portal_index.css

common.js

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

imarine.cn

portal.php

style_21_common.css

style_21_portal_index.css

common.js

portal.js

logging.js

md5.js

tab.js

jquery-1.8.3.min.js

m.js

stat.php

discuz_tips.js

1375078570936.jpg

background.png

imarine.gif

qq_login.gif

weibo_login.png

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