Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

waveshare.net

微雪电子-官网

Page Load Speed

6.3 sec in total

First Response

677 ms

Resources Loaded

3.6 sec

Page Rendered

2 sec

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 677 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

waveshare.net performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.2 s

0/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

waveshare.net

677 ms

www.waveshare.net

1352 ms

require.min.js

222 ms

slide.js

443 ms

1712110.js

545 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 86% of them (6 requests) were addressed to the original Waveshare.net, 14% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Waveshare.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 385.0 kB (94%)

Content Size

407.6 kB

After Optimization

22.6 kB

In fact, the total size of Waveshare.net main page is 407.6 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 10% of websites need less resources to load. HTML takes 401.7 kB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 380.5 kB

  • Original 401.7 kB
  • After minification 155.4 kB
  • After compression 21.2 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 246.4 kB, which is 61% 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 380.5 kB or 95% of the original size.

Image Optimization

-3%

Potential reduce by 3 B

  • Original 120 B
  • After minification 117 B

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. Waveshare images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 4.5 kB

  • Original 5.8 kB
  • After minification 5.3 kB
  • After compression 1.3 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 4.5 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Waveshare. According to our analytics all requests are already optimized.

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

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: