Access retrodelirium.com. 皇冠crown（中国）官方网站 CROWN

Report Summary

About Website

Welcome to retrodelirium.com homepage info - get ready to check Retrodelirium best content right away, or after learning these important things about retrodelirium.com

haa皇冠crown是智能物联网解决方案提供商，致力于通过物联网+人工智能+大数据技术，为建设智慧物联的新世界贡献皇冠力量。

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name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

www.retrodelirium.com

522 ms

language-selector.css

90 ms

widget.css

111 ms

css

29 ms

style.css

354 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 72% of them (28 requests) were addressed to the original Retrodelirium.com, 5% (2 requests) were made to Fonts.googleapis.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (757 ms) belongs to the original domain Retrodelirium.com.

Content Size

5.6 MB

After Optimization

3.6 MB

In fact, the total size of Retrodelirium.com main page is 5.6 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 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.0 kB

Original 56.4 kB
After minification 54.4 kB
After compression 11.4 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 45.0 kB or 80% of the original size.

Image Optimization

-28%

Potential reduce by 1.3 MB

Original 4.7 MB
After minification 3.4 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, Retrodelirium needs image optimization as it can save up to 1.3 MB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 360.9 kB

Original 533.9 kB
After minification 482.6 kB
After compression 173.0 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 360.9 kB or 68% of the original size.

CSS Optimization

-87%

Potential reduce by 317.9 kB

Original 365.0 kB
After minification 239.7 kB
After compression 47.0 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. Retrodelirium.com needs all CSS files to be minified and compressed as it can save up to 317.9 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Retrodelirium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Retrodelirium.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Retrodelirium.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

retrodelirium.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

皇冠crown（中国）官方网站 CROWN - ADDRESS

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)