Tools & Wizards About Us
simic.net.cn screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

simic.net.cn

上海国际海事信息与文献网

Page Load Speed

5.4 sec in total

First Response

993 ms

Resources Loaded

4 sec

Page Rendered

429 ms

simic.net.cn screenshot

About Website

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

上海国际海事信息与文献网,国际海事信息网,上海国际海事信息研究中心,SIMIC

Visit simic.net.cn

Key Findings

We analyzed Simic.net.cn page load time and found that the first response time was 993 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

simic.net.cn performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.751

6/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

simic.net.cn

993 ms

main.css

419 ms

slider.css

418 ms

jquery.min.js

626 ms

jquery.bxslider.min.js

218 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 98% of them (42 requests) were addressed to the original Simic.net.cn, 2% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Simic.net.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.3 kB (7%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Simic.net.cn main page is 2.5 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. 25% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 39.0 kB

  • Original 50.7 kB
  • After minification 45.5 kB
  • After compression 11.7 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 39.0 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 61.3 kB

  • Original 2.3 MB
  • After minification 2.2 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. Simic images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 64.0 kB

  • Original 104.9 kB
  • After minification 104.9 kB
  • After compression 40.9 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 64.0 kB or 61% of the original size.

CSS Optimization

-34%

Potential reduce by 2.9 kB

  • Original 8.6 kB
  • After minification 8.6 kB
  • After compression 5.7 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. Simic.net.cn needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (26%)

Requests Now

42

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Simic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

simic.net.cn

simic.net.cn

993 ms

main.css

main.css

419 ms

slider.css

slider.css

418 ms

jquery.min.js

jquery.min.js

626 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

218 ms

jquery.liMarquee.js

jquery.liMarquee.js

631 ms

1834136.js

1834136.js

319 ms

top_bg.gif

top_bg.gif

424 ms

qrcode.png

qrcode.png

628 ms

menuBtn.png

menuBtn.png

226 ms

searchBtn.png

searchBtn.png

234 ms

logo80.png

logo80.png

412 ms

logo60.png

logo60.png

413 ms

icon-weixin.png

icon-weixin.png

426 ms

icon-weibo.png

icon-weibo.png

465 ms

icon-english.png

icon-english.png

622 ms

submenu_left.gif

submenu_left.gif

621 ms

20231121142302.788z.jpg

20231121142302.788z.jpg

2282 ms

20240428104501.6y3a.jpg

20240428104501.6y3a.jpg

637 ms

20240424095958.d561.jpg

20240424095958.d561.jpg

1143 ms

20240422175804.1zbx.jpg

20240422175804.1zbx.jpg

1442 ms

20240419143316.f42a.jpg

20240419143316.f42a.jpg

1243 ms

20240413125153.9f9x.jpg

20240413125153.9f9x.jpg

851 ms

none.jpg

none.jpg

849 ms

none2.jpg

none2.jpg

1062 ms

none3.jpg

none3.jpg

1083 ms

none4.jpg

none4.jpg

1281 ms

none5.jpg

none5.jpg

1296 ms

none6.jpg

none6.jpg

1371 ms

none7.jpg

none7.jpg

1545 ms

20240208121951.0pa9.jpg

20240208121951.0pa9.jpg

2367 ms

bdi.png

bdi.png

1511 ms

wlnb.jpg

wlnb.jpg

1864 ms

20231121141113.871e.png

20231121141113.871e.png

1855 ms

20240415093848.12fd.jpg

20240415093848.12fd.jpg

2550 ms

wangan.png

wangan.png

1760 ms

submenu_bg.gif

submenu_bg.gif

1962 ms

menu_bg.gif

menu_bg.gif

2052 ms

title_bg.gif

title_bg.gif

2082 ms

title_span_bg.gif

title_span_bg.gif

2172 ms

title_li_bg.gif

title_li_bg.gif

2263 ms

list-square.gif

list-square.gif

2316 ms

top-slider.png

top-slider.png

2176 ms

Accessibility Review

simic.net.cn accessibility score

71

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

simic.net.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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

simic.net.cn SEO score

82

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

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Simic.net.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Simic.net.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

simic.net.cn

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