Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

jsjfz.cn

欢迎访问《计算机仿真》杂志社官方网站

Page Load Speed

9.4 sec in total

First Response

3.1 sec

Resources Loaded

6.1 sec

Page Rendered

130 ms

jsjfz.cn screenshot

About Website

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

航天科工集团十七所主办的仿真技术领域的综合性科技期刊,计算机仿真杂志编辑部在线投稿指定网站

Visit jsjfz.cn

Key Findings

We analyzed Jsjfz.cn page load time and found that the first response time was 3.1 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

jsjfz.cn performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

jsjfz.cn

3138 ms

www.jsjfz.cn

1334 ms

layout.css

259 ms

default_blue.css

480 ms

body_bg.gif

313 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Jsjfz.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Jsjfz.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.3 kB (78%)

Content Size

49.2 kB

After Optimization

10.8 kB

In fact, the total size of Jsjfz.cn main page is 49.2 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. Only 5% of websites need less resources to load. CSS take 38.7 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.4 kB

  • Original 10.5 kB
  • After minification 8.9 kB
  • After compression 3.1 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 1.5 kB, which is 15% 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 7.4 kB or 71% of the original size.

CSS Optimization

-80%

Potential reduce by 31.0 kB

  • Original 38.7 kB
  • After minification 33.9 kB
  • After compression 7.8 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. Jsjfz.cn needs all CSS files to be minified and compressed as it can save up to 31.0 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsjfz. According to our analytics all requests are already optimized.

Accessibility Review

jsjfz.cn accessibility score

82

Accessibility Issues

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

Links do not have a discernible name

Best Practices

jsjfz.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

jsjfz.cn SEO score

75

Search Engine Optimization Advices

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 Jsjfz.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 Jsjfz.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 Jsjfz. 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: