Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

shumeipai.net

树莓派论坛_Raspberry Pi卡片式微型电脑交流网站 - Powered by shumeipai.net!

Page Load Speed

14.6 sec in total

First Response

702 ms

Resources Loaded

13 sec

Page Rendered

911 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日在树莓派/raspberry pi上市当晚上线,已然是国内最火的树莓派交流论坛,有着大量用户和使用教程和经验,也销售树莓派1/2/3/4代,包括最新的树莓派5代,树莓派6代等各型号,zero及相关配件。

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 13.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

shumeipai.net performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

shumeipai.net

702 ms

portal.php

2317 ms

jquery.min.js

1537 ms

jquery.yide.slide.js

895 ms

style_5_common.css

1319 ms

Our browser made a total of 238 requests to load all elements on the main page. We found that 100% of them (237 requests) were addressed to the original Shumeipai.net, 0% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (9.7 sec) relates to the external source Js.users.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 522.5 kB (15%)

Content Size

3.5 MB

After Optimization

3.0 MB

In fact, the total size of Shumeipai.net main page is 3.5 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. 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 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 211.0 kB

  • Original 239.8 kB
  • After minification 187.1 kB
  • After compression 28.9 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. This page needs HTML code to be minified as it can gain 52.8 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 211.0 kB or 88% of the original size.

Image Optimization

-9%

Potential reduce by 281.7 kB

  • Original 3.2 MB
  • After minification 2.9 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

-24%

Potential reduce by 16.3 kB

  • Original 68.8 kB
  • After minification 68.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 16.3 kB or 24% of the original size.

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 13 (7%)

Requests Now

190

After Optimization

177

The browser has sent 190 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 8 to 1 for JavaScripts and as a result speed up the page load time.

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

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: