Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

handsbrain.com

汉博·中国科学教育网 - “做中学”科学教育项目支持网站

Page Load Speed

45.9 sec in total

First Response

1.2 sec

Resources Loaded

44.4 sec

Page Rendered

321 ms

handsbrain.com screenshot

About Website

Click here to check amazing Handsbrain content. Otherwise, check out these important facts you probably never knew about handsbrain.com

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Key Findings

We analyzed Handsbrain.com page load time and found that the first response time was 1.2 sec and then it took 44.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 8 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

handsbrain.com performance score

0

Network Requests Diagram

handsbrain.com

1193 ms

www.handsbrain.com

12343 ms

style.css

12584 ms

login.css

959 ms

login.js

18353 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 94% of them (34 requests) were addressed to the original Handsbrain.com, 6% (2 requests) were made to Count1.51yes.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Count1.51yes.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.9 kB (40%)

Content Size

132.3 kB

After Optimization

79.4 kB

In fact, the total size of Handsbrain.com main page is 132.3 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. Images take 76.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 45.0 kB

  • Original 53.9 kB
  • After minification 41.2 kB
  • After compression 8.9 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 12.7 kB, which is 24% 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 45.0 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 6.2 kB

  • Original 76.1 kB
  • After minification 69.8 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. Handsbrain images are well optimized though.

CSS Optimization

-71%

Potential reduce by 1.6 kB

  • Original 2.3 kB
  • After minification 1.9 kB
  • After compression 675 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. Handsbrain.com needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (27%)

Requests Now

26

After Optimization

19

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Handsbrain. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

SEO Factors

handsbrain.com SEO score

0

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 Handsbrain.com 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 Handsbrain.com 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 Handsbrain. 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: