Tools & Wizards About Us

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

2017.js13kgames.com

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

Page Load Speed

4.8 sec in total

First Response

649 ms

Resources Loaded

2.4 sec

Page Rendered

1.7 sec

About Website

Visit 2017.js13kgames.com now to see the best up-to-date 2017 Js13kGames content for Iran and also check out these interesting facts you probably never knew about 2017.js13kgames.com

Js13kGames is a JavaScript coding competition for HTML5 game developers. The fun part of the compo is the file size limit set to 13 kilobytes.

Visit 2017.js13kgames.com

Key Findings

We analyzed 2017.js13kgames.com page load time and found that the first response time was 649 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

2017.js13kgames.com performance score

80

Measured Metrics

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)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.439

21/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

2017.js13kgames.com

649 ms

style.css

331 ms

jquery-2.1.4.min.js

224 ms

slackin.js

34 ms

widgets.js

16 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 33% of them (39 requests) were addressed to the original 2017.js13kgames.com, 55% (64 requests) were made to Js13kgames.com and 3% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Js13kgames.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.7 kB (17%)

Content Size

639.0 kB

After Optimization

529.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 2017.js13kgames.com main page is 639.0 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. 40% of websites need less resources to load. Images take 508.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 48.3 kB

  • Original 64.0 kB
  • After minification 62.0 kB
  • After compression 15.7 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 48.3 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 15.5 kB

  • Original 508.0 kB
  • After minification 492.5 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. 2017 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. 2017.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 Breakdown

Number of requests can be reduced by 11 (10%)

Requests Now

113

After Optimization

102

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 2017 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.

Network Requests Diagram

Accessibility Review

2017.js13kgames.com accessibility score

64

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

<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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

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

Impact

Issue

High

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

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>).

Best Practices

2017.js13kgames.com 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

High

Browser errors were logged to the console

SEO Factors

2017.js13kgames.com SEO score

67

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

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 2017.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 2017.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

Open Graph data is detected on the main page of 2017 Js13kGames. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: