Access 2016.js13kgames.com. js13kGames - HTML5 and JavaScript Game Development Competition in just 13 kilobytes

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.373

28/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

2016.js13kgames.com

641 ms

style.css

322 ms

jquery-2.1.4.min.js

219 ms

jquery.countdown.min.js

218 ms

moment-with-locales.min.js

220 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 60% of them (56 requests) were addressed to the original 2016.js13kgames.com, 27% (25 requests) were made to Js13kgames.com and 4% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (982 ms) relates to the external source Js13kgames.com.

Content Size

519.0 kB

After Optimization

422.2 kB

In fact, the total size of 2016.js13kgames.com main page is 519.0 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. 60% of websites need less resources to load. Images take 399.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 39.2 kB

Original 52.4 kB
After minification 49.9 kB
After compression 13.1 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 39.2 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 11.6 kB

Original 399.6 kB
After minification 387.9 kB

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. 2016 Js13kGames images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 29.1 kB

Original 46.3 kB
After minification 46.3 kB
After compression 17.1 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 29.1 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 16.7 kB

Original 20.8 kB
After minification 17.1 kB
After compression 4.0 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. 2016.js13kgames.com needs all CSS files to be minified and compressed as it can save up to 16.7 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 2016 Js13kGames. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 2016.js13kgames.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 2016.js13kgames.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

2016.js13kgames.com

Open Graph data is detected on the main page of 2016 Js13kGames. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

js13kGames - HTML5 and JavaScript Game Development Competition in just 13 kilobytes

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)

Network Requests Diagram

2016.js13kgames.com

style.css

jquery-2.1.4.min.js

jquery.countdown.min.js

moment-with-locales.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

2016.js13kgames.com

style.css

jquery-2.1.4.min.js

jquery.countdown.min.js

moment-with-locales.min.js

slackin.js

widgets.js

like.php

js13k-2016-tshirt.png

bg_content.png

bg_header.png

js13kgames.png

ribbon_big_bg.png

ribbon_big_left.png

ribbon_big_right.png

logo.png

photo.png

triska-banner.png

mozilla.png

gameasy.png

hired.png

heroic-labs.png

blur.png

skillhunt.png

jscrambler.png

andrzej_mazur.png

christer_kaitila.png

jupiter_hadley.png

robert_podgorski.png

jason_weathersby.png

elle_chen.png

pedro_fortuna.png

nicola_pacini.png

moneywithhtml5.png

construct2.png

playcanvas.png

impactjs.png

gamedevcourse.png

webstorm.png

pusher.png

protoio.png

cloud9.png

elliotquest.png