Tools & Wizards About Us
colobot.info screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

colobot.info

Official Colobot: Gold Edition website - International Colobot Community

Page Load Speed

3.6 sec in total

First Response

649 ms

Resources Loaded

2.5 sec

Page Rendered

437 ms

colobot.info screenshot

About Website

Click here to check amazing Colobot content for Russia. Otherwise, check out these important facts you probably never knew about colobot.info

Colobot: Gold Edition is a real-time strategy game, where you can program your units (bots) in a language called CBOT, which is similar to C++ and Java. Your mission is to find a new planet to live an...

Visit colobot.info

Key Findings

We analyzed Colobot.info page load time and found that the first response time was 649 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

colobot.info performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value41.1 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value1,160 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.112

87/100

15%

TTI (Time to Interactive)

Value27.2 s

0/100

10%

Network Requests Diagram

colobot.info

649 ms

style.css

94 ms

qts-default.css

188 ms

jquery.js

391 ms

jquery-migrate.min.js

290 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 78% of them (32 requests) were addressed to the original Colobot.info, 15% (6 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Colobot.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.7 kB (4%)

Content Size

4.4 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Colobot.info main page is 4.4 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. 40% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 14.6 kB

  • Original 19.6 kB
  • After minification 18.1 kB
  • After compression 5.0 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 14.6 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 15.2 kB

  • Original 4.2 MB
  • After minification 4.2 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. Colobot images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 117.3 kB

  • Original 192.4 kB
  • After minification 192.3 kB
  • After compression 75.1 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 117.3 kB or 61% of the original size.

CSS Optimization

-79%

Potential reduce by 16.6 kB

  • Original 20.9 kB
  • After minification 18.2 kB
  • After compression 4.4 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. Colobot.info needs all CSS files to be minified and compressed as it can save up to 16.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (41%)

Requests Now

34

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colobot. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

colobot.info

colobot.info

649 ms

style.css

style.css

94 ms

qts-default.css

qts-default.css

188 ms

jquery.js

jquery.js

391 ms

jquery-migrate.min.js

jquery-migrate.min.js

290 ms

nemus-slider.css

nemus-slider.css

312 ms

wp-embed.min.js

wp-embed.min.js

306 ms

nemus-slider.js

nemus-slider.js

304 ms

css

css

61 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

120 ms

background.jpg

background.jpg

603 ms

analytics.js

analytics.js

243 ms

icc.png

icc.png

228 ms

tt.png

tt.png

227 ms

colobot.png

colobot.png

288 ms

facebook.png

facebook.png

281 ms

twitter.png

twitter.png

291 ms

gb.png

gb.png

292 ms

pl.png

pl.png

292 ms

headerastronaut.png

headerastronaut.png

707 ms

info.png

info.png

396 ms

download.png

download.png

382 ms

github.png

github.png

387 ms

donate.png

donate.png

391 ms

screw.png

screw.png

431 ms

What-Happened-Here.png

What-Happened-Here.png

1149 ms

The-Earth-Behind-My-Jet-Engines.png

The-Earth-Behind-My-Jet-Engines.png

1076 ms

I-Have-65-000-Processors-Did-You-Know.png

I-Have-65-000-Processors-Did-You-Know.png

1075 ms

Prayer-to-the-Fallen.png

Prayer-to-the-Fallen.png

1067 ms

Go-to-the-Last-Checkpoint.png

Go-to-the-Last-Checkpoint.png

776 ms

alpha-0.1.5.png

alpha-0.1.5.png

1040 ms

I-Found-You.png

I-Found-You.png

1107 ms

alpha-0.1.6-150x150.png

alpha-0.1.6-150x150.png

1140 ms

alpha-0.1.5-150x150.png

alpha-0.1.5-150x150.png

1157 ms

sVvvcJDRTINJla2R4XwPVevvDin1pK8aKteLpeZ5c0A.ttf

sVvvcJDRTINJla2R4XwPVevvDin1pK8aKteLpeZ5c0A.ttf

47 ms

0ihfXUL2emPh0ROJezvraCZ2oysoEQEeKwjgmXLRnTc.ttf

0ihfXUL2emPh0ROJezvraCZ2oysoEQEeKwjgmXLRnTc.ttf

62 ms

ViZhet7Ak-LRXZMXzuAfkSwlidHJgAgmTjOEEzwu1L8.ttf

ViZhet7Ak-LRXZMXzuAfkSwlidHJgAgmTjOEEzwu1L8.ttf

60 ms

ceqTZGKHipo8pJj4molytjdGNerWpg2Hn6A-BxWgZ_I.ttf

ceqTZGKHipo8pJj4molytjdGNerWpg2Hn6A-BxWgZ_I.ttf

62 ms

ISUraQdBYMI3VoDzBxXqNnYhjbSpvc47ee6xR_80Hnw.ttf

ISUraQdBYMI3VoDzBxXqNnYhjbSpvc47ee6xR_80Hnw.ttf

42 ms

OMD20Sg9RTs7sUORCEN-7SwlidHJgAgmTjOEEzwu1L8.ttf

OMD20Sg9RTs7sUORCEN-7SwlidHJgAgmTjOEEzwu1L8.ttf

45 ms

collect

collect

27 ms

Accessibility Review

colobot.info accessibility score

80

Accessibility Issues

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

colobot.info 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

colobot.info SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Colobot.info 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 Colobot.info 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

colobot.info

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