Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 90

    SEO

    Google-friendlier than
    73% of websites

imarine.cn

龙de船人_船舶与海洋工程信息平台

Page Load Speed

37.5 sec in total

First Response

2.7 sec

Resources Loaded

34.3 sec

Page Rendered

492 ms

imarine.cn screenshot

About Website

Visit imarine.cn now to see the best up-to-date Imarine content for China and also check out these interesting facts you probably never knew about imarine.cn

龙de船人是全球知名的船舶、海工及航运信息网站,提供船舶、海工、航运相关的行业资讯、造船订单、专家专栏、船舶企业、航运指数、论坛社区等信息服务。

Visit imarine.cn

Key Findings

We analyzed Imarine.cn page load time and found that the first response time was 2.7 sec and then it took 34.8 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. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

imarine.cn performance score

69

Measured Metrics

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%

Network Requests Diagram

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.

Page Optimization Overview & Recommendations

Page size can be reduced by 375.3 kB (48%)

Content Size

788.4 kB

After Optimization

413.1 kB

In fact, the total size of Imarine.cn main page is 788.4 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

-68%

Potential reduce by 195.2 kB

  • Original 287.7 kB
  • After minification 282.1 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 195.2 kB or 68% 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 Breakdown

Number of requests can be reduced by 53 (43%)

Requests Now

122

After Optimization

69

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 Review

imarine.cn accessibility score

36

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

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

imarine.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

imarine.cn SEO score

90

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

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

    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

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: