Tools & Wizards About Us
shumeipai.net screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

shumeipai.net

树莓派论坛_Raspberry Pi交流网 - Powered by Shumeipai.net!

Page Load Speed

32.2 sec in total

First Response

702 ms

Resources Loaded

31.2 sec

Page Rendered

301 ms

shumeipai.net screenshot

About Website

Click here to check amazing Shumeipai content for China. Otherwise, check out these important facts you probably never knew about shumeipai.net

树莓派论坛于2012年3月3日上线，国内第一家专门针对raspberry pi树莓派交流的网站，资源丰富齐备，每天更新。

Visit shumeipai.net

Key Findings

We analyzed Shumeipai.net page load time and found that the first response time was 702 ms and then it took 31.5 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

shumeipai.net performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

shumeipai.net

702 ms

portal.php

2336 ms

jquery.min.js

1618 ms

jquery.yide.slide.js

923 ms

style_5_common.css

1401 ms

Our browser made a total of 237 requests to load all elements on the main page. We found that 97% of them (230 requests) were addressed to the original Shumeipai.net, 1% (3 requests) were made to E.jikexueyuan.com and 1% (3 requests) were made to Jikexueyuan.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Jikexueyuan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 429.8 kB (13%)

Content Size

3.3 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shumeipai.net main page is 3.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 210.5 kB

  • Original 239.3 kB
  • After minification 186.5 kB
  • After compression 28.8 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 52.7 kB, which is 22% 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 210.5 kB or 88% of the original size.

Image Optimization

-7%

Potential reduce by 202.4 kB

  • Original 3.0 MB
  • After minification 2.8 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. Shumeipai images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 3.4 kB

  • Original 55.9 kB
  • After minification 55.9 kB
  • After compression 52.5 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.

CSS Optimization

-34%

Potential reduce by 13.5 kB

  • Original 39.8 kB
  • After minification 33.6 kB
  • After compression 26.3 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. Shumeipai.net needs all CSS files to be minified and compressed as it can save up to 13.5 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (4%)

Requests Now

186

After Optimization

178

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 186 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shumeipai. 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

shumeipai.net

shumeipai.net

702 ms

portal.php

portal.php

2336 ms

jquery.min.js

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1618 ms

jquery.yide.slide.js

jquery.yide.slide.js

923 ms

style_5_common.css

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1401 ms

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1407 ms

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1766 ms

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1747 ms

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1699 ms

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1750 ms

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1720 ms

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1767 ms

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1748 ms

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256 ms

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295 ms

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287 ms

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439 ms

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1703 ms

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1750 ms

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1734 ms

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1778 ms

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1758 ms

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1706 ms

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1750 ms

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5614 ms

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1748 ms

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1642 ms

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1631 ms

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1650 ms

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1664 ms

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1614 ms

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1631 ms

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1576 ms

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1570 ms

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1607 ms

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1616 ms

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1631 ms

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1572 ms

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1578 ms

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1616 ms

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1618 ms

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1631 ms

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19893 ms

Accessibility Review

shumeipai.net accessibility score

60

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

shumeipai.net 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

SEO Factors

shumeipai.net SEO score

62

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

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shumeipai.net 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 Shumeipai.net 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

shumeipai.net

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