Report Summary

  • 0

    Performance

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

sudokubyzol.com

Sudoku By Zol -- Free Sudoku online puzzles and printable puzzles

Page Load Speed

1.1 sec in total

First Response

162 ms

Resources Loaded

835 ms

Page Rendered

98 ms

sudokubyzol.com screenshot

About Website

Visit sudokubyzol.com now to see the best up-to-date Sudoku By Zol content for United States and also check out these interesting facts you probably never knew about sudokubyzol.com

Play unlimited Sudoku puzzles for free online. Five levels of difficulty. No downloads required. Slick mouse interface. Lots of features for the beginner and expert. Exercise your brain

Visit sudokubyzol.com

Key Findings

We analyzed Sudokubyzol.com page load time and found that the first response time was 162 ms and then it took 933 ms 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

sudokubyzol.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

sudokubyzol.com

162 ms

www.sudokubyzol.com

179 ms

direct.js

255 ms

myFrame.html

79 ms

cookieManager.js

78 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 83% of them (5 requests) were addressed to the original Sudokubyzol.com, 17% (1 request) were made to Static.cfcdist.gdn. The less responsive or slowest element that took the longest time to load (255 ms) relates to the external source Static.cfcdist.gdn.

Page Optimization Overview & Recommendations

Page size can be reduced by 981 B (43%)

Content Size

2.3 kB

After Optimization

1.3 kB

In fact, the total size of Sudokubyzol.com main page is 2.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 1.8 kB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 855 B

  • Original 1.8 kB
  • After minification 1.7 kB
  • After compression 917 B

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 855 B or 48% of the original size.

JavaScript Optimization

-26%

Potential reduce by 126 B

  • Original 485 B
  • After minification 485 B
  • After compression 359 B

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 126 B or 26% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sudoku By Zol. According to our analytics all requests are already optimized.

Accessibility Review

sudokubyzol.com accessibility score

68

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

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

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

sudokubyzol.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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sudokubyzol.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sudokubyzol.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 Sudokubyzol.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 Sudoku By Zol. 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: