Tools & Wizards About Us
space.kexue.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

space.kexue.com

首席收藏网 - 中文钱币收藏门户 - ShouXi.com - Chinese Numismatic Website

Page Load Speed

65.4 sec in total

First Response

15.7 sec

Resources Loaded

49.1 sec

Page Rendered

661 ms

space.kexue.com screenshot

About Website

Visit space.kexue.com now to see the best up-to-date Space Kexue content for China and also check out these interesting facts you probably never knew about space.kexue.com

首席收藏(ShouXi.com)是全球领先的中文钱币收藏门户，在线提供及时、全面的钱币资讯、拍卖数据、论坛交流、品牌店铺、交易竞买、全球展会等综合服务；线下联合创办CICE北京、上海、广州，以及HKCS香港、MICS澳门国际钱币展销会，教育培训等交流活动。

Visit space.kexue.com

Key Findings

We analyzed Space.kexue.com page load time and found that the first response time was 15.7 sec and then it took 49.7 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 17 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

space.kexue.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

space.kexue.com

15657 ms

global.css

5732 ms

style1.css

6743 ms

zt.css

5864 ms

function.js

7149 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Space.kexue.com, 86% (62 requests) were made to Static.kexue.com and 3% (2 requests) were made to Kexue.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Static.kexue.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.1 kB (57%)

Content Size

65.5 kB

After Optimization

28.3 kB

  • HTML
  • JavaScript

In fact, the total size of Space.kexue.com main page is 65.5 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. HTML takes 46.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 35.9 kB

  • Original 46.3 kB
  • After minification 41.0 kB
  • After compression 10.4 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 5.3 kB, which is 12% 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 35.9 kB or 77% of the original size.

JavaScript Optimization

-6%

Potential reduce by 1.2 kB

  • Original 19.1 kB
  • After minification 19.1 kB
  • After compression 17.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 27 (51%)

Requests Now

53

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Space Kexue. 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.

Network Requests Diagram

space.kexue.com

space.kexue.com

15657 ms

global.css

global.css

5732 ms

style1.css

style1.css

6743 ms

zt.css

zt.css

5864 ms

function.js

function.js

7149 ms

config.js

config.js

7215 ms

jquery.min.js

jquery.min.js

9964 ms

css.js

css.js

6083 ms

common.js

common.js

11562 ms

login.js

login.js

6445 ms

validator.js

validator.js

7168 ms

check_login.php

check_login.php

870 ms

vote.php

vote.php

902 ms

3952952.js

3952952.js

753 ms

www.shouxi.com

www.shouxi.com

2810 ms

ztBody.gif

ztBody.gif

511 ms

toploginBg.gif

toploginBg.gif

375 ms

minilogo.gif

minilogo.gif

2218 ms

13.gif

13.gif

508 ms

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20130515044615937.jpg

10236 ms

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20110217085843964.jpg

2336 ms

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20130516025555811.jpg

10070 ms

video_button.jpg

video_button.jpg

2023 ms

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20100930090305175.jpg

11660 ms

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20140418102505479.jpg

19964 ms

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20140416105827415.jpg

19964 ms

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20140325105531890.jpg

5207 ms

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20140321095825322.jpg

6423 ms

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20140321095401828.jpg

8803 ms

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20140320114218985.jpg

10132 ms

20140317103454182.jpg

20140317103454182.jpg

11726 ms

20140313082158556.jpg

20140313082158556.jpg

11368 ms

20140313081932854.jpg

20140313081932854.jpg

12515 ms

20140311110406800.jpg

20140311110406800.jpg

13668 ms

20140311103602575.jpg

20140311103602575.jpg

19960 ms

20140310011324756.jpg

20140310011324756.jpg

13976 ms

20110530023636571.jpg

20110530023636571.jpg

19960 ms

20110530044744724.jpg

20110530044744724.jpg

19560 ms

20091229081217442.jpg

20091229081217442.jpg

18729 ms

logo.png

logo.png

19959 ms

btn_3.gif

btn_3.gif

19942 ms

title_7.gif

title_7.gif

19943 ms

listBg.gif

listBg.gif

19943 ms

navBg_2.gif

navBg_2.gif

19943 ms

headTag.gif

headTag.gif

19943 ms

bg_9.gif

bg_9.gif

19943 ms

title_8.gif

title_8.gif

19929 ms

title_8_1.gif

title_8_1.gif

19928 ms

title_8_2.gif

title_8_2.gif

19927 ms

line.gif

line.gif

19928 ms

title_1_5.gif

title_1_5.gif

19928 ms

icon_0.gif

icon_0.gif

7800 ms

ga.js

ga.js

27 ms

h.js

h.js

1962 ms

__utm.gif

__utm.gif

16 ms

icon_1.gif

icon_1.gif

19598 ms

title_8_3.gif

title_8_3.gif

20182 ms

title_9.gif

title_9.gif

20182 ms

title_9_1.gif

title_9_1.gif

18709 ms

hm.gif

hm.gif

336 ms

bg_10.gif

bg_10.gif

18567 ms

title_8_4.gif

title_8_4.gif

18580 ms

title_8_5.gif

title_8_5.gif

15872 ms

title_8_10.gif

title_8_10.gif

14662 ms

title_8_6.gif

title_8_6.gif

12359 ms

title_8_7.gif

title_8_7.gif

11148 ms

btn_4.gif

btn_4.gif

11202 ms

btn_5.gif

btn_5.gif

11166 ms

title_8_8.gif

title_8_8.gif

10030 ms

title_8_9.gif

title_8_9.gif

9839 ms

bg_11.gif

bg_11.gif

9876 ms

foot.gif

foot.gif

9324 ms

Accessibility Review

space.kexue.com accessibility score

66

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

space.kexue.com 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

space.kexue.com SEO score

69

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

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 Space.kexue.com 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 Space.kexue.com 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

space.kexue.com

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