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defi-interactive-projection.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

defi-interactive-projection.com

互动地面投影-全息互动投影-互动墙面投影-互动地面-大屏融合系统-互动翻书- 南京德尔飞软件科技有限公司

Page Load Speed

8.7 sec in total

First Response

427 ms

Resources Loaded

7 sec

Page Rendered

1.3 sec

defi-interactive-projection.com screenshot

About Website

Welcome to defi-interactive-projection.com homepage info - get ready to check Defi Interactive Projection best content right away, or after learning these important things about defi-interactive-projection.com

南京德尔飞软件科技有限公司超低价提供互动地面、互动墙面、墙面互动投影、全息投影机等，是一家专业多媒体互动系统供应商，联系电话：15805172700

Visit defi-interactive-projection.com

Key Findings

We analyzed Defi-interactive-projection.com page load time and found that the first response time was 427 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

defi-interactive-projection.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

defi-interactive-projection.com

427 ms

hm.js

1202 ms

interactive_projection_style.css

67 ms

floor2.jpg

6583 ms

wall.gif

6552 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Defi-interactive-projection.com, 14% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Defi-interactive-projection.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.4 kB (1%)

Content Size

622.2 kB

After Optimization

616.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Defi-interactive-projection.com main page is 622.2 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 613.1 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 4.9 kB

  • Original 7.6 kB
  • After minification 7.0 kB
  • After compression 2.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 4.9 kB or 64% of the original size.

Image Optimization

-0%

Potential reduce by 67 B

  • Original 613.1 kB
  • After minification 613.0 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. Defi Interactive Projection images are well optimized though.

CSS Optimization

-33%

Potential reduce by 498 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 1.0 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. Defi-interactive-projection.com needs all CSS files to be minified and compressed as it can save up to 498 B or 33% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Defi Interactive Projection. According to our analytics all requests are already optimized.

Network Requests Diagram

defi-interactive-projection.com

defi-interactive-projection.com

427 ms

hm.js

hm.js

1202 ms

interactive_projection_style.css

interactive_projection_style.css

67 ms

floor2.jpg

floor2.jpg

6583 ms

wall.gif

wall.gif

6552 ms

film2.gif

film2.gif

4098 ms

foil.gif

foil.gif

4879 ms

interactive_projection_menu_left_current.png

interactive_projection_menu_left_current.png

141 ms

interactive_projection_menu_right_current.png

interactive_projection_menu_right_current.png

252 ms

interactive_projection_container_1.jpg

interactive_projection_container_1.jpg

362 ms

solution.jpg

solution.jpg

4140 ms

interactive_projection_container_2.jpg

interactive_projection_container_2.jpg

750 ms

interactive_projection_container_bg.jpg

interactive_projection_container_bg.jpg

1500 ms

hm.gif

hm.gif

288 ms

Accessibility Review

defi-interactive-projection.com accessibility score

87

Accessibility Issues

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

defi-interactive-projection.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

defi-interactive-projection.com SEO score

75

Search Engine Optimization Advices

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 Defi-interactive-projection.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 Defi-interactive-projection.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

defi-interactive-projection.com

Open Graph description is not detected on the main page of Defi Interactive Projection. 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: