Tools & Wizards About Us
waveshare.net screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

waveshare.net

微雪电子-官网

Page Load Speed

61.4 sec in total

First Response

4.3 sec

Resources Loaded

56.9 sec

Page Rendered

201 ms

waveshare.net screenshot

About Website

Visit waveshare.net now to see the best up-to-date Waveshare content for China and also check out these interesting facts you probably never knew about waveshare.net

深圳市微雪电子有限公司(waveshare)是一家高新技术企业，专业研发生产树莓派Raspberry Pi扩展板、Jetson Nano扩展板以及高清LCD/OLED显示屏等产品，产品线超过10条，有着自主核心技术、创新能力以及良好的行业口碑，拥有过百项知识产权，至今已有十几年的行业沉淀。

Visit waveshare.net

Key Findings

We analyzed Waveshare.net page load time and found that the first response time was 4.3 sec and then it took 57.1 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 20 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

waveshare.net performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

waveshare.net

4288 ms

www.waveshare.net

6238 ms

basic.css

765 ms

index1.css

951 ms

jquery-1.4.2.min.js

16611 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 97% of them (71 requests) were addressed to the original Waveshare.net, 1% (1 request) were made to Js.users.51.la and 1% (1 request) were made to Icon.51.la. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Waveshare.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.0 kB (37%)

Content Size

512.4 kB

After Optimization

323.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Waveshare.net main page is 512.4 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. 15% of websites need less resources to load. Images take 473.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 22.4 kB

  • Original 26.3 kB
  • After minification 15.3 kB
  • After compression 3.8 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 11.0 kB, which is 42% 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 22.4 kB or 85% of the original size.

Image Optimization

-33%

Potential reduce by 157.0 kB

  • Original 473.1 kB
  • After minification 316.1 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. Obviously, Waveshare needs image optimization as it can save up to 157.0 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 2.7 kB

  • Original 4.0 kB
  • After minification 2.9 kB
  • After compression 1.4 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 2.7 kB or 66% of the original size.

CSS Optimization

-77%

Potential reduce by 6.9 kB

  • Original 8.9 kB
  • After minification 6.0 kB
  • After compression 2.1 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. Waveshare.net needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 77% of the original size.

Requests Breakdown

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

Requests Now

51

After Optimization

47

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Waveshare. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

waveshare.net

waveshare.net

4288 ms

www.waveshare.net

www.waveshare.net

6238 ms

basic.css

basic.css

765 ms

index1.css

index1.css

951 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

16611 ms

index1.js

index1.js

1097 ms

sidebar1.js

sidebar1.js

1164 ms

search.js

search.js

1411 ms

1712110.js

1712110.js

1150 ms

logo.gif

logo.gif

1894 ms

search.png

search.png

2824 ms

qrcode-waveshare.png

qrcode-waveshare.png

9774 ms

logo-bg.gif

logo-bg.gif

559 ms

ST-STM32-logo.jpg

ST-STM32-logo.jpg

2665 ms

STM32-ic.jpg

STM32-ic.jpg

12924 ms

STM32-adapters.jpg

STM32-adapters.jpg

6160 ms

STM32-boards.jpg

STM32-boards.jpg

7441 ms

STM32-programmers.jpg

STM32-programmers.jpg

5400 ms

ST-STM8-logo.jpg

ST-STM8-logo.jpg

6215 ms

STM8-ic.jpg

STM8-ic.jpg

7479 ms

STM8-adapters.jpg

STM8-adapters.jpg

9232 ms

STM8-boards.jpg

STM8-boards.jpg

11012 ms

STM8-programmers.jpg

STM8-programmers.jpg

11208 ms

ATMEL-logo.jpg

ATMEL-logo.jpg

9375 ms

AVR-ic.jpg

AVR-ic.jpg

11765 ms

AVR-adapters.jpg

AVR-adapters.jpg

11870 ms

AVR-boards.jpg

AVR-boards.jpg

12642 ms

AVR-programmers.jpg

AVR-programmers.jpg

16193 ms

Microchip-logo.jpg

Microchip-logo.jpg

15795 ms

PIC-ic.jpg

PIC-ic.jpg

13959 ms

PIC-adapters.jpg

PIC-adapters.jpg

13766 ms

PIC-boards.jpg

PIC-boards.jpg

15414 ms

PIC-programmers.jpg

PIC-programmers.jpg

15731 ms

Raspberry-Pi3-B-banner-home.jpg

Raspberry-Pi3-B-banner-home.jpg

20289 ms

RPi-B-Plus.jpg

RPi-B-Plus.jpg

20289 ms

BB-Black.jpg

BB-Black.jpg

20290 ms

Cubieboard.jpg

Cubieboard.jpg

18754 ms

CubieTruck.jpg

CubieTruck.jpg

20289 ms

E9-mini-PC.jpg

E9-mini-PC.jpg

19670 ms

Marsboard-RK3066.jpg

Marsboard-RK3066.jpg

20288 ms

ALTERA-ic.jpg

ALTERA-ic.jpg

20288 ms

ALTERA-boards.jpg

ALTERA-boards.jpg

20287 ms

ALTERA-programmers.jpg

ALTERA-programmers.jpg

20288 ms

XILINX-ic.jpg

XILINX-ic.jpg

20288 ms

XILINX-boards.jpg

XILINX-boards.jpg

20282 ms

icon_0.gif

icon_0.gif

3781 ms

userstate-service.aspx

userstate-service.aspx

19741 ms

XILINX-programmers.jpg

XILINX-programmers.jpg

20402 ms

LPC-ic.jpg

LPC-ic.jpg

19631 ms

LPC-boards.jpg

LPC-boards.jpg

20333 ms

LPC-programmers.jpg

LPC-programmers.jpg

19894 ms

C8051F-ic.jpg

C8051F-ic.jpg

19513 ms

C8051F-boards.jpg

C8051F-boards.jpg

19691 ms

C8051F-programmers.jpg

C8051F-programmers.jpg

19852 ms

CC-ic.jpg

CC-ic.jpg

17572 ms

CC-boards.jpg

CC-boards.jpg

20061 ms

CC-programmers.jpg

CC-programmers.jpg

17916 ms

programming-adapters.jpg

programming-adapters.jpg

19522 ms

sockets.jpg

sockets.jpg

17073 ms

modules-1.jpg

modules-1.jpg

19523 ms

modules-2.jpg

modules-2.jpg

19058 ms

modules-3.jpg

modules-3.jpg

19219 ms

modules-4.jpg

modules-4.jpg

19648 ms

modules-5.jpg

modules-5.jpg

19763 ms

modules-6.jpg

modules-6.jpg

19522 ms

Expansions.jpg

Expansions.jpg

20329 ms

accessories.jpg

accessories.jpg

18971 ms

alipay.gif

alipay.gif

17051 ms

tenpay.gif

tenpay.gif

17456 ms

alarm_left.gif

alarm_left.gif

17023 ms

waicon.gif

waicon.gif

14481 ms

ebsIcon.png

ebsIcon.png

14004 ms

FootHelper-icons.png

FootHelper-icons.png

14137 ms

Accessibility Review

waveshare.net accessibility score

79

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.

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

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

waveshare.net 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

High

Page has valid source maps

SEO Factors

waveshare.net SEO score

100

Search Engine Optimization Advices

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

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 Waveshare.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 Waveshare.net 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

waveshare.net

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