Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

celestus.fr

Celestus - Jeu de stratégie spatiale en ligne

Page Load Speed

4.4 sec in total

First Response

368 ms

Resources Loaded

3.9 sec

Page Rendered

156 ms

About Website

Click here to check amazing Celestus content for France. Otherwise, check out these important facts you probably never knew about celestus.fr

Celestus, le meilleur jeu gratuit de stratégie spatiale ! Créez et détruisez des mondes et trous noirs, accélérez le temps et bien plus encore !

Visit celestus.fr

Key Findings

We analyzed Celestus.fr page load time and found that the first response time was 368 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

celestus.fr performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value33.2 s

0/100

10%

TBT (Total Blocking Time)

Value150,150 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value191.2 s

0/100

10%

Network Requests Diagram

celestus.fr

368 ms

celestus.fr

877 ms

DesignV3.css

310 ms

pixi.js

1450 ms

ScriptV3.js

399 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 84% of them (114 requests) were addressed to the original Celestus.fr, 6% (8 requests) were made to Horizon.celestus.fr and 4% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Celestus.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (10%)

Content Size

10.0 MB

After Optimization

8.9 MB

In fact, the total size of Celestus.fr main page is 10.0 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. Only a small number of websites need less resources to load. Images take 8.7 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 89.2 kB

  • Original 127.6 kB
  • After minification 123.3 kB
  • After compression 38.4 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 89.2 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 110.8 kB

  • Original 8.7 MB
  • After minification 8.5 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. Celestus images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 816.5 kB

  • Original 1.1 MB
  • After minification 659.5 kB
  • After compression 284.4 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 816.5 kB or 74% of the original size.

CSS Optimization

-18%

Potential reduce by 13.3 kB

  • Original 75.2 kB
  • After minification 72.8 kB
  • After compression 61.9 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. Celestus.fr needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (29%)

Requests Now

133

After Optimization

95

The browser has sent 133 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Celestus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

celestus.fr accessibility score

100

Accessibility Issues

Best Practices

celestus.fr 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

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

celestus.fr SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Celestus.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Celestus.fr 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 data is detected on the main page of Celestus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: