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247sudoku.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

247sudoku.com

247 Sudoku

Page Load Speed

2.4 sec in total

First Response

68 ms

Resources Loaded

1.6 sec

Page Rendered

719 ms

247sudoku.com screenshot

About Website

Welcome to 247sudoku.com homepage info - get ready to check 247 Sudoku best content for United States right away, or after learning these important things about 247sudoku.com

Sudoku all day every day with 247 Sudoku! Play online sudoku free whenever you like with no need to download. Enjoy these great sudoku puzzles!

Visit 247sudoku.com

Key Findings

We analyzed 247sudoku.com page load time and found that the first response time was 68 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

247sudoku.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value1,750 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

247sudoku.com

68 ms

ga.js

152 ms

sdk.js

29 ms

adsbygoogle.js

26 ms

platform.js

389 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 17% of them (12 requests) were addressed to the original 247sudoku.com, 19% (13 requests) were made to Apis.google.com and 9% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cardgamesolitaire.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.3 kB (17%)

Content Size

402.6 kB

After Optimization

334.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 247sudoku.com main page is 402.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 250.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 35.8 kB

  • Original 48.1 kB
  • After minification 45.1 kB
  • After compression 12.3 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 35.8 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 17.9 kB

  • Original 250.8 kB
  • After minification 232.8 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. 247 Sudoku images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 14.5 kB

  • Original 103.5 kB
  • After minification 103.3 kB
  • After compression 89.0 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 14.5 kB or 14% of the original size.

CSS Optimization

-28%

Potential reduce by 69 B

  • Original 247 B
  • After minification 225 B
  • After compression 178 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. 247sudoku.com needs all CSS files to be minified and compressed as it can save up to 69 B or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (37%)

Requests Now

60

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 247 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 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

247sudoku.com

247sudoku.com

68 ms

ga.js

ga.js

152 ms

sdk.js

sdk.js

29 ms

adsbygoogle.js

adsbygoogle.js

26 ms

platform.js

platform.js

389 ms

solitaire_icon.png

solitaire_icon.png

1130 ms

spider_solitaire_icon.png

spider_solitaire_icon.png

341 ms

icon_freecell.png

icon_freecell.png

341 ms

icon_solitaire.png

icon_solitaire.png

145 ms

mahjong_icon.png

mahjong_icon.png

561 ms

FB.Share

FB.Share

146 ms

sudoku-title.png

sudoku-title.png

133 ms

sudoku_slice.jpg

sudoku_slice.jpg

133 ms

background-highlight.png

background-highlight.png

133 ms

solitaire_chrome_icon.png

solitaire_chrome_icon.png

137 ms

white-opacity.png

white-opacity.png

137 ms

thumbs-bg.jpg

thumbs-bg.jpg

135 ms

tn_sudoku_easy.png

tn_sudoku_easy.png

136 ms

tn_sudoku_medium.png

tn_sudoku_medium.png

140 ms

tn_sudoku_hard.png

tn_sudoku_hard.png

138 ms

tn_sudoku_expert.png

tn_sudoku_expert.png

158 ms

sudoku.png

sudoku.png

136 ms

ca-pub-5917535669884492.js

ca-pub-5917535669884492.js

303 ms

zrt_lookup.html

zrt_lookup.html

329 ms

show_ads_impl.js

show_ads_impl.js

213 ms

391 ms

__utm.gif

__utm.gif

144 ms

xd_arbiter.php

xd_arbiter.php

201 ms

xd_arbiter.php

xd_arbiter.php

224 ms

Mef17w3J4CtS0lw4Wa_8r73hpw3pgy2gAi-Ip7WPMi0.woff

Mef17w3J4CtS0lw4Wa_8r73hpw3pgy2gAi-Ip7WPMi0.woff

189 ms

RcB7dRNAX_8JE8zinU47YALUuEpTyoUstqEm5AMlJo4.woff

RcB7dRNAX_8JE8zinU47YALUuEpTyoUstqEm5AMlJo4.woff

200 ms

ads

ads

656 ms

osd.js

osd.js

60 ms

ads

ads

691 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

75 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

100 ms

fastbutton

fastbutton

176 ms

page

page

247 ms

ads

ads

630 ms

like.php

like.php

183 ms

postmessageRelay

postmessageRelay

146 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

78 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

76 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

465 ms

rU2ubZ6l1Q5.js

rU2ubZ6l1Q5.js

426 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

417 ms

rs=AGLTcCPfdUuDZOepJLWwaWDRp6O5LB0xRg

rs=AGLTcCPfdUuDZOepJLWwaWDRp6O5LB0xRg

37 ms

rs=AGLTcCNVayw58ATXmq5na_KkaQDUov7ewA

rs=AGLTcCNVayw58ATXmq5na_KkaQDUov7ewA

97 ms

rs=AGLTcCNDCD2FX1GmFI4h9QOi1JonWtDyWA

rs=AGLTcCNDCD2FX1GmFI4h9QOi1JonWtDyWA

144 ms

api.js

api.js

132 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

460 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

458 ms

photo.jpg

photo.jpg

530 ms

css

css

570 ms

m_js_controller.js

m_js_controller.js

466 ms

abg.js

abg.js

474 ms

dtpHsbgPEm2lVWciJZ0P-A.ttf

dtpHsbgPEm2lVWciJZ0P-A.ttf

324 ms

bdHGHleUa-ndQCOrdpfxfw.ttf

bdHGHleUa-ndQCOrdpfxfw.ttf

497 ms

rs=AGLTcCNDCD2FX1GmFI4h9QOi1JonWtDyWA

rs=AGLTcCNDCD2FX1GmFI4h9QOi1JonWtDyWA

106 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

272 ms

15229046592911825033

15229046592911825033

237 ms

11662032844995799485

11662032844995799485

241 ms

rs=AGLTcCNDCD2FX1GmFI4h9QOi1JonWtDyWA

rs=AGLTcCNDCD2FX1GmFI4h9QOi1JonWtDyWA

62 ms

s

s

67 ms

x_button_blue2.png

x_button_blue2.png

17 ms

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

35 ms

favicon

favicon

170 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

19 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

54 ms

Accessibility Review

247sudoku.com accessibility score

72

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

247sudoku.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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

247sudoku.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 247sudoku.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 247sudoku.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

247sudoku.com

Open Graph data is detected on the main page of 247 Sudoku. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: