Report Summary

  • 42

    Performance

    Renders faster than
    63% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

csi.com.cn

航运信息网_船舶交易,船舶买卖,船舶拍卖,船舶评估,船员招聘,海员招聘,船员培训, 海员培训,船舶进出口代理,航运新闻,船员工资,海员工资,船员培训。

Page Load Speed

57.5 sec in total

First Response

14.4 sec

Resources Loaded

42.8 sec

Page Rendered

250 ms

csi.com.cn screenshot

About Website

Visit csi.com.cn now to see the best up-to-date Csi content and also check out these interesting facts you probably never knew about csi.com.cn

航运信息网_中国船舶交易网为航运企业提供最新船舶买卖,海员招聘,船员培训,船员考试,船舶拍卖,货盘,船舶租赁,油价,钢价,船价,航运新闻,物流新闻,政策法规,海事案例,船东企业库,船舶数据库库等航运信息。

Visit csi.com.cn

Key Findings

We analyzed Csi.com.cn page load time and found that the first response time was 14.4 sec and then it took 43.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 13 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

csi.com.cn performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value27.8 s

0/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

csi.com.cn

14394 ms

common.css

1279 ms

logininfo.css

1438 ms

head.css

1445 ms

foot.css

1456 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 50% of them (33 requests) were addressed to the original Csi.com.cn, 24% (16 requests) were made to Resources.csi.com.cn and 8% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Resources.csi.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 316.6 kB (44%)

Content Size

714.8 kB

After Optimization

398.2 kB

In fact, the total size of Csi.com.cn main page is 714.8 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. 20% of websites need less resources to load. Images take 494.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 116.8 kB

  • Original 132.3 kB
  • After minification 79.0 kB
  • After compression 15.5 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 53.3 kB, which is 40% 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 116.8 kB or 88% of the original size.

Image Optimization

-28%

Potential reduce by 136.9 kB

  • Original 494.0 kB
  • After minification 357.1 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. Obviously, Csi needs image optimization as it can save up to 136.9 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 39.9 kB

  • Original 59.3 kB
  • After minification 51.1 kB
  • After compression 19.4 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 39.9 kB or 67% of the original size.

CSS Optimization

-79%

Potential reduce by 22.9 kB

  • Original 29.2 kB
  • After minification 18.8 kB
  • After compression 6.2 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. Csi.com.cn needs all CSS files to be minified and compressed as it can save up to 22.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (40%)

Requests Now

52

After Optimization

31

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

csi.com.cn accessibility score

52

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.

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

Form elements do not have associated labels

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

csi.com.cn best practices score

50

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

csi.com.cn SEO score

54

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

    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 Csi.com.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 Csi.com.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 Csi. 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: