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celestia.games screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

celestia.games

Accueil | Celestia

Page Load Speed

8.8 sec in total

First Response

178 ms

Resources Loaded

8.3 sec

Page Rendered

351 ms

celestia.games screenshot

About Website

Welcome to celestia.games homepage info - get ready to check Celestia best content right away, or after learning these important things about celestia.games

Visit celestia.games

Key Findings

We analyzed Celestia.games page load time and found that the first response time was 178 ms and then it took 8.6 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

celestia.games performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

celestia.games

178 ms

celestia.games

336 ms

celestiamc.fr

185 ms

celestiamc.fr

6694 ms

bootstrap.bundle.min.js

162 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 13% of them (2 requests) were addressed to the original Celestia.games, 88% (14 requests) were made to Celestiamc.fr. The less responsive or slowest element that took the longest time to load (6.7 sec) relates to the external source Celestiamc.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.6 kB (0%)

Content Size

3.1 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Celestia.games main page is 3.1 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. 20% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 9.2 kB

  • Original 12.0 kB
  • After minification 8.4 kB
  • After compression 2.8 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 3.7 kB, which is 30% 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 9.2 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.0 MB
  • After minification 3.0 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. Celestia images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 121 B

  • Original 39.9 kB
  • After minification 39.9 kB
  • After compression 39.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 247 B

  • Original 45.8 kB
  • After minification 45.8 kB
  • After compression 45.5 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. Celestia.games has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (64%)

Requests Now

11

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Celestia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

celestia.games

celestia.games

178 ms

celestia.games

celestia.games

336 ms

celestiamc.fr

celestiamc.fr

185 ms

celestiamc.fr

celestiamc.fr

6694 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

162 ms

axios.min.js

axios.min.js

240 ms

script.js

script.js

240 ms

clipboard.js

clipboard.js

244 ms

vanilla-tilt.min.js

vanilla-tilt.min.js

245 ms

bootstrap-icons.css

bootstrap-icons.css

245 ms

bootstrap.min.css

bootstrap.min.css

326 ms

base.css

base.css

318 ms

style.css

style.css

319 ms

logocelestia.png

logocelestia.png

837 ms

background2.png

background2.png

557 ms

bootstrap-icons.woff

bootstrap-icons.woff

402 ms

Accessibility Review

celestia.games accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

celestia.games best practices score

92

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

Page has valid source maps

SEO Factors

celestia.games SEO score

92

Search Engine Optimization Advices

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

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 Celestia.games 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 Celestia.games 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

celestia.games

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