Tools & Wizards About Us

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

8puzzle.com

8 Puzzle Problem, Algorithm, C++ Source Code, Download

Page Load Speed

1.3 sec in total

First Response

243 ms

Resources Loaded

885 ms

Page Rendered

146 ms

About Website

Visit 8puzzle.com now to see the best up-to-date 8 Puzzle content and also check out these interesting facts you probably never knew about 8puzzle.com

You will find the description of 8 puzzle (a.k.a. 15 Puzzle) and software that finds the solution for every initial state.

Visit 8puzzle.com

Key Findings

We analyzed 8puzzle.com page load time and found that the first response time was 243 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

8puzzle.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

8puzzle.com

243 ms

www.8puzzle.com

214 ms

style.css

199 ms

addthis_widget.js

22 ms

show_ads.js

30 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 53% of them (8 requests) were addressed to the original 8puzzle.com, 13% (2 requests) were made to S7.addthis.com and 13% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (243 ms) belongs to the original domain 8puzzle.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.0 kB (37%)

Content Size

65.7 kB

After Optimization

41.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 8puzzle.com main page is 65.7 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. 30% of websites need less resources to load. Images take 36.3 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 4.8 kB

  • Original 7.7 kB
  • After minification 7.6 kB
  • After compression 2.9 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 4.8 kB or 62% of the original size.

Image Optimization

-53%

Potential reduce by 19.1 kB

  • Original 36.3 kB
  • After minification 17.2 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. Obviously, 8 Puzzle needs image optimization as it can save up to 19.1 kB or 53% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

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.

CSS Optimization

-13%

Potential reduce by 83 B

  • Original 654 B
  • After minification 654 B
  • After compression 571 B

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. 8puzzle.com needs all CSS files to be minified and compressed as it can save up to 83 B or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (27%)

Requests Now

11

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 8 Puzzle. 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

8puzzle.com accessibility score

96

Accessibility Issues

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

Best Practices

8puzzle.com best practices score

67

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

High

Page has valid source maps

SEO Factors

8puzzle.com SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 8puzzle.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 8puzzle.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of 8 Puzzle. 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: