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br.codecombat.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

br.codecombat.com

CodeCombat - Coding games to learn Python and JavaScript

Page Load Speed

429 ms in total

First Response

47 ms

Resources Loaded

323 ms

Page Rendered

59 ms

br.codecombat.com screenshot

About Website

Welcome to br.codecombat.com homepage info - get ready to check Br Code Combat best content for United States right away, or after learning these important things about br.codecombat.com

Learn typed code through a programming game. Learn Python, JavaScript, and HTML as you solve puzzles and learn to make your own coding games and websites.

Visit br.codecombat.com

Key Findings

We analyzed Br.codecombat.com page load time and found that the first response time was 47 ms and then it took 382 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

br.codecombat.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value4,030 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

br.codecombat.com

47 ms

br.codecombat.com

78 ms

app.css

33 ms

app.js

74 ms

user-data

69 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 56% of them (5 requests) were addressed to the original Br.codecombat.com, 22% (2 requests) were made to Googletagmanager.com and 11% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (88 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.6 kB (14%)

Content Size

26.7 kB

After Optimization

23.1 kB

  • HTML
  • JavaScript

In fact, the total size of Br.codecombat.com main page is 26.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 21.0 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 3.6 kB

  • Original 5.7 kB
  • After minification 5.7 kB
  • After compression 2.2 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 3.6 kB or 62% of the original size.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

Number of requests can be reduced by 5 (71%)

Requests Now

7

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Br Code Combat. 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 as a result speed up the page load time.

Network Requests Diagram

br.codecombat.com

br.codecombat.com

47 ms

br.codecombat.com

br.codecombat.com

78 ms

app.css

app.css

33 ms

app.js

app.js

74 ms

user-data

user-data

69 ms

js

js

73 ms

analytics.js

analytics.js

58 ms

gtm.js

gtm.js

42 ms

fbevents.js

fbevents.js

88 ms

Accessibility Review

br.codecombat.com accessibility score

97

Accessibility Issues

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

br.codecombat.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

br.codecombat.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Br.codecombat.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 Br.codecombat.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

br.codecombat.com

Open Graph description is not detected on the main page of Br Code Combat. 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: