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4nums.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

4nums.com

4 Numbers game - Best math games: make 24 with all 4 numbers, 4numbers game!

Page Load Speed

2.7 sec in total

First Response

48 ms

Resources Loaded

2.5 sec

Page Rendered

110 ms

4nums.com screenshot

About Website

Visit 4nums.com now to see the best up-to-date 4 Nums content for United States and also check out these interesting facts you probably never knew about 4nums.com

Math 24 game: Use all 4 numbers and algebra to make 24! Classical math game from China, best brainteaser to train your brain!

Visit 4nums.com

Key Findings

We analyzed 4nums.com page load time and found that the first response time was 48 ms and then it took 2.6 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

4nums.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value4,840 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

4nums.com

48 ms

www.4nums.com

70 ms

www.4nums.com

122 ms

main.css

28 ms

show_ads.js

130 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 11% of them (10 requests) were addressed to the original 4nums.com, 22% (20 requests) were made to Platform.twitter.com and 13% (12 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (571 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 81.9 kB (7%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4nums.com main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% 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. Javascripts take 849.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 30.0 kB

  • Original 40.9 kB
  • After minification 40.0 kB
  • After compression 10.9 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 30.0 kB or 73% of the original size.

Image Optimization

-10%

Potential reduce by 24.9 kB

  • Original 259.1 kB
  • After minification 234.2 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. 4 Nums images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 26.5 kB

  • Original 849.5 kB
  • After minification 849.5 kB
  • After compression 823.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-27%

Potential reduce by 421 B

  • Original 1.6 kB
  • After minification 1.6 kB
  • After compression 1.2 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. 4nums.com needs all CSS files to be minified and compressed as it can save up to 421 B or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (72%)

Requests Now

82

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Nums. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

4nums.com

4nums.com

48 ms

www.4nums.com

www.4nums.com

70 ms

www.4nums.com

www.4nums.com

122 ms

main.css

main.css

28 ms

show_ads.js

show_ads.js

130 ms

game.js

game.js

50 ms

str.js

str.js

126 ms

sdk.js

sdk.js

39 ms

plusone.js

plusone.js

98 ms

ga.js

ga.js

42 ms

logo.gif

logo.gif

113 ms

logocn.gif

logocn.gif

26 ms

ios.png

ios.png

38 ms

android.png

android.png

96 ms

sdk.js

sdk.js

60 ms

__utm.gif

__utm.gif

71 ms

adsbygoogle.js

adsbygoogle.js

119 ms

widgets.js

widgets.js

90 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

44 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

97 ms

fastbutton

fastbutton

92 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

114 ms

postmessageRelay

postmessageRelay

142 ms

show_ads_impl.js

show_ads_impl.js

417 ms

settings

settings

124 ms

developers.google.com

developers.google.com

522 ms

1380534674-postmessagerelay.js

1380534674-postmessagerelay.js

22 ms

rpc:shindig_random.js

rpc:shindig_random.js

12 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

5 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

4 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

9 ms

embeds

embeds

38 ms

follow_button.2f70fb173b9000da126c79afe2098f02.en.html

follow_button.2f70fb173b9000da126c79afe2098f02.en.html

21 ms

4nums_game

4nums_game

103 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

12 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

33 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

38 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

36 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

68 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

73 ms

_buildManifest.js

_buildManifest.js

84 ms

_ssgManifest.js

_ssgManifest.js

83 ms

8526.0c32a8f0cfc5749221a3.js

8526.0c32a8f0cfc5749221a3.js

15 ms

1755.07a49c40b12af4f75780.js

1755.07a49c40b12af4f75780.js

13 ms

8283.f3e5048cca7cef5eed7f.js

8283.f3e5048cca7cef5eed7f.js

63 ms

3077.44bfeb00af01bc4020f6.js

3077.44bfeb00af01bc4020f6.js

64 ms

1362.42d432e02f7980bca032.js

1362.42d432e02f7980bca032.js

65 ms

4956.c4e51ef593974b9db0bb.js

4956.c4e51ef593974b9db0bb.js

65 ms

5893.d500bd2a89ded806aa73.js

5893.d500bd2a89ded806aa73.js

62 ms

zrt_lookup.html

zrt_lookup.html

110 ms

ads

ads

525 ms

ads

ads

571 ms

gen_204

gen_204

66 ms

pixel

pixel

73 ms

dv3.js

dv3.js

97 ms

window_focus.js

window_focus.js

18 ms

qs_click_protection.js

qs_click_protection.js

20 ms

ufs_web_display.js

ufs_web_display.js

14 ms

pixel

pixel

107 ms

pixel

pixel

105 ms

ad

ad

88 ms

reactive_library.js

reactive_library.js

289 ms

ca-pub-8952689943698685

ca-pub-8952689943698685

208 ms

skeleton.js

skeleton.js

239 ms

5685666942654895380

5685666942654895380

237 ms

abg_lite.js

abg_lite.js

185 ms

omrhp.js

omrhp.js

185 ms

Q12zgMmT.js

Q12zgMmT.js

179 ms

bounce

bounce

138 ms

rum

rum

93 ms

pixel

pixel

83 ms

pixel

pixel

81 ms

62bHydCX.html

62bHydCX.html

35 ms

rum

rum

205 ms

4237234227844064465

4237234227844064465

260 ms

load_preloaded_resource.js

load_preloaded_resource.js

261 ms

abg_lite.js

abg_lite.js

259 ms

d4128ee657a8b8f36370500b7756be30.js

d4128ee657a8b8f36370500b7756be30.js

233 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

191 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

194 ms

s

s

163 ms

one_click_handler_one_afma.js

one_click_handler_one_afma.js

164 ms

activeview

activeview

147 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

126 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

127 ms

8843564235510638856

8843564235510638856

78 ms

8YYByCYBNOXiTUlrNvbsIhdfHH06XxNrttw_yNQTh6s.js

8YYByCYBNOXiTUlrNvbsIhdfHH06XxNrttw_yNQTh6s.js

56 ms

css

css

81 ms

2484363746501323217

2484363746501323217

48 ms

activeview

activeview

84 ms

Accessibility Review

4nums.com accessibility score

77

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

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

4nums.com best practices score

58

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

4nums.com SEO score

62

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4nums.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 4nums.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

4nums.com

Open Graph description is not detected on the main page of 4 Nums. 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: