Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

sudoku.bg

Судоку Онлайн | Судоку.бг

Page Load Speed

3.4 sec in total

First Response

508 ms

Resources Loaded

2.7 sec

Page Rendered

220 ms

sudoku.bg screenshot

About Website

Visit sudoku.bg now to see the best up-to-date Sudoku content for Bulgaria and also check out these interesting facts you probably never knew about sudoku.bg

Играй Судоку, една от най-популярните пъзел игри на всички времена. Нашето безплатно Судоку е най-забавната логическа игра която някога ще играете онлайн. Можете да играете Судоку от всеки компютър, т...

Visit sudoku.bg

Key Findings

We analyzed Sudoku.bg page load time and found that the first response time was 508 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

sudoku.bg performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

sudoku.bg

508 ms

font-awesome.min.css

373 ms

bootstrap.css

576 ms

style.css

261 ms

sudoku.css

266 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 29% of them (18 requests) were addressed to the original Sudoku.bg, 10% (6 requests) were made to Pagead2.googlesyndication.com and 10% (6 requests) were made to C.betrad.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 451.4 kB (56%)

Content Size

805.1 kB

After Optimization

353.8 kB

In fact, the total size of Sudoku.bg main page is 805.1 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. 45% of websites need less resources to load. Javascripts take 465.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 17.3 kB

  • Original 22.1 kB
  • After minification 21.7 kB
  • After compression 4.7 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 17.3 kB or 79% of the original size.

Image Optimization

-14%

Potential reduce by 22.4 kB

  • Original 164.6 kB
  • After minification 142.2 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, Sudoku needs image optimization as it can save up to 22.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 286.2 kB

  • Original 465.9 kB
  • After minification 464.7 kB
  • After compression 179.7 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 286.2 kB or 61% of the original size.

CSS Optimization

-82%

Potential reduce by 125.4 kB

  • Original 152.6 kB
  • After minification 150.7 kB
  • After compression 27.1 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. Sudoku.bg needs all CSS files to be minified and compressed as it can save up to 125.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (58%)

Requests Now

57

After Optimization

24

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sudoku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sudoku.bg accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

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

High

Form elements do not have associated labels

Best Practices

sudoku.bg best practices score

83

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

SEO Factors

sudoku.bg SEO score

100

Search Engine Optimization Advices

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

    BG

  • Language Claimed

    BG

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sudoku.bg can be misinterpreted by Google and other search engines. Our service has detected that Bulgarian is used on the page, and it matches the claimed language. Our system also found out that Sudoku.bg 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 description is not detected on the main page of Sudoku. 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: