Report Summary

  • 83

    Performance

    Renders faster than
    88% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% 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

53.1 sec in total

First Response

3.1 sec

Resources Loaded

49.1 sec

Page Rendered

901 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 3.1 sec and then it took 50 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

simic.net.cn performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.359

30/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

simic.net.cn

3090 ms

_cmp_cssstylesheet_8142e58b86f7f7447dd868348a3539e4.php

20475 ms

_cmp_javascript_4351b43166b8f2246b00efdce34d4347.php

6580 ms

1834136.js

855 ms

stat.php

1986 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 76% of them (65 requests) were addressed to the original Simic.net.cn, 9% (8 requests) were made to Img.t.sinajs.cn and 2% (2 requests) were made to Tjs.sjs.sinajs.cn. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Simic.net.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.2 kB (31%)

Content Size

609.0 kB

After Optimization

419.8 kB

In fact, the total size of Simic.net.cn main page is 609.0 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. 25% of websites need less resources to load. Images take 366.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 52.1 kB

  • Original 67.1 kB
  • After minification 66.2 kB
  • After compression 14.9 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 52.1 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 17.1 kB

  • Original 366.7 kB
  • After minification 349.6 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. Simic images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 91.4 kB

  • Original 140.1 kB
  • After minification 136.3 kB
  • After compression 48.7 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 91.4 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 28.6 kB

  • Original 35.1 kB
  • After minification 35.1 kB
  • After compression 6.5 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 28.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (21%)

Requests Now

80

After Optimization

63

The browser has sent 80 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 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

simic.net.cn accessibility score

64

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.

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

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

58

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

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

    N/A

  • 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 neither this language nor any other was claimed in <html> or <meta> tags. 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

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: