Tools & Wizards About Us
alsrobot.cn screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    88% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

alsrobot.cn

奥松机器人基地-ALSRobot-哈尔滨奥松机器人科技股份有限公司

Page Load Speed

137.5 sec in total

First Response

2.9 sec

Resources Loaded

132.8 sec

Page Rendered

1.8 sec

alsrobot.cn screenshot

About Website

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

奥松机器人专注于3-18岁青少儿人工智能创客教育的课程、软硬件教具的研发和销售，专为学校、托管和K12素质教育机构提供全体系化教学服务方案。课程体系依托于STEAM国际教育理念，让孩子们从实践过程中学习学科知识。

Visit alsrobot.cn

Key Findings

We analyzed Alsrobot.cn page load time and found that the first response time was 2.9 sec and then it took 134.6 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 125 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

alsrobot.cn performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

alsrobot.cn

2886 ms

index.css

8987 ms

jquery1.42.min.js

7440 ms

jquery.SuperSlide.2.1.1.js

1930 ms

index.js

2984 ms

Our browser made a total of 242 requests to load all elements on the main page. We found that 96% of them (233 requests) were addressed to the original Alsrobot.cn, 2% (4 requests) were made to Hm.baidu.com and 1% (2 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (22.2 sec) belongs to the original domain Alsrobot.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (40%)

Content Size

3.0 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alsrobot.cn main page is 3.0 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. 35% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 158.9 kB

  • Original 180.9 kB
  • After minification 121.3 kB
  • After compression 21.9 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 59.5 kB, which is 33% 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 158.9 kB or 88% of the original size.

Image Optimization

-36%

Potential reduce by 981.2 kB

  • Original 2.7 MB
  • After minification 1.8 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. Obviously, ALSRobot needs image optimization as it can save up to 981.2 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 40.7 kB

  • Original 64.1 kB
  • After minification 59.3 kB
  • After compression 23.4 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 40.7 kB or 63% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 301 B

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.

Requests Breakdown

Number of requests can be reduced by 10 (9%)

Requests Now

115

After Optimization

105

  • Images
  • JavaScript
  • CSS

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALSRobot. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

alsrobot.cn

alsrobot.cn

2886 ms

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8987 ms

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7440 ms

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1930 ms

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2984 ms

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69 ms

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1457120961649761685.jpg

18301 ms

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1433204741693516786.png

18215 ms

1433204041250113136.png

1433204041250113136.png

17247 ms

1414621923622912478.jpg

1414621923622912478.jpg

20000 ms

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1420309237150304713.jpg

16869 ms

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1420334233517678315.jpg

18463 ms

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1426016180840521428.png

16332 ms

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1433202508120263706.png

18162 ms

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1439838102501340732.jpg

18086 ms

1439836533584280021.jpg

1439836533584280021.jpg

14799 ms

ewm2.png

ewm2.png

19993 ms

eye.png

eye.png

16689 ms

backHeadImg.png

backHeadImg.png

19130 ms

logo.png

logo.png

19673 ms

nav.png

nav.png

20209 ms

main-bg.png

main-bg.png

19917 ms

search.png

search.png

19573 ms

sbtn.png

sbtn.png

20181 ms

cart.png

cart.png

20000 ms

nav-line.png

nav-line.png

19998 ms

f2-nav-hover.png

f2-nav-hover.png

19906 ms

tuijian.png

tuijian.png

20055 ms

left-btn.png

left-btn.png

19989 ms

right-btn.png

right-btn.png

19986 ms

special.png

special.png

20073 ms

special-btn.png

special-btn.png

20014 ms

news-bg.png

news-bg.png

19999 ms

tj-d.png

tj-d.png

19996 ms

prev.png

prev.png

20122 ms

next.png

next.png

20003 ms

bg.png

bg.png

19672 ms

electronic_btn_scroll.png

electronic_btn_scroll.png

19575 ms

btns.png

btns.png

19986 ms

footericon.png

footericon.png

19950 ms

footer1.png

footer1.png

19848 ms

ewm.png

ewm.png

19992 ms

ao.png

ao.png

19772 ms

aoHand.png

aoHand.png

19745 ms

aoHover.png

aoHover.png

19828 ms

dialog.png

dialog.png

19783 ms

Accessibility Review

alsrobot.cn accessibility score

36

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

Form elements do not have associated labels

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

alsrobot.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

alsrobot.cn SEO score

76

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

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

High

Tap targets are not sized appropriately

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 Alsrobot.cn 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 Alsrobot.cn 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

alsrobot.cn

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