Tools & Wizards About Us
random-number-generator.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

random-number-generator.com

RNG = Random Number Generator - generate random numbers

Page Load Speed

2.1 sec in total

First Response

131 ms

Resources Loaded

1.4 sec

Page Rendered

548 ms

random-number-generator.com screenshot

About Website

Visit random-number-generator.com now to see the best up-to-date Random Number Generator content for Belarus and also check out these interesting facts you probably never knew about random-number-generator.com

Random Number Generator (RNG) - generate random numbers online or use RNG app. Get random numbers in the selected range, generate passwords, creates random number lists with or without repetition, sor...

Visit random-number-generator.com

Key Findings

We analyzed Random-number-generator.com page load time and found that the first response time was 131 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

random-number-generator.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.422

23/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

random-number-generator.com

131 ms

random-number-generator.com

227 ms

styleV2.css

90 ms

main.js

107 ms

adsbygoogle.js

44 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 96% of them (24 requests) were addressed to the original Random-number-generator.com, 4% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Random-number-generator.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 280.8 kB (19%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Random-number-generator.com main page is 1.5 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. 30% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.9 kB

  • Original 27.4 kB
  • After minification 24.6 kB
  • After compression 6.6 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 20.9 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 136.5 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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, Random Number Generator needs image optimization as it can save up to 136.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 122.8 kB

  • Original 189.2 kB
  • After minification 189.2 kB
  • After compression 66.4 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 122.8 kB or 65% of the original size.

CSS Optimization

-10%

Potential reduce by 666 B

  • Original 6.5 kB
  • After minification 6.5 kB
  • After compression 5.9 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. Random-number-generator.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Random Number Generator. According to our analytics all requests are already optimized.

Network Requests Diagram

random-number-generator.com

random-number-generator.com

131 ms

random-number-generator.com

random-number-generator.com

227 ms

styleV2.css

styleV2.css

90 ms

main.js

main.js

107 ms

adsbygoogle.js

adsbygoogle.js

44 ms

random-number-generator-RNG-logo.png

random-number-generator-RNG-logo.png

208 ms

globe.png

globe.png

157 ms

rng-iphone-ipad.jpg

rng-iphone-ipad.jpg

314 ms

rng-windows.jpg

rng-windows.jpg

365 ms

rng-mac.jpg

rng-mac.jpg

314 ms

rng-imac.jpg

rng-imac.jpg

366 ms

download.svg

download.svg

208 ms

mac_download.svg

mac_download.svg

310 ms

windows_download.svg

windows_download.svg

310 ms

android_app_on_play_large.png

android_app_on_play_large.png

312 ms

amazon.png

amazon.png

312 ms

justnoteit001.png

justnoteit001.png

1086 ms

random-numbers-between.png

random-numbers-between.png

518 ms

random-numbers-two-intervals.png

random-numbers-two-intervals.png

363 ms

generated-numbers.png

generated-numbers.png

363 ms

random-number-certain-length.png

random-number-certain-length.png

415 ms

generate-password.png

generate-password.png

415 ms

generate-sequence-random-characters.png

generate-sequence-random-characters.png

416 ms

language.png

language.png

415 ms

random-number-certain-length.PNG

random-number-certain-length.PNG

52 ms

Accessibility Review

random-number-generator.com accessibility score

97

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

Links do not have a discernible name

Best Practices

random-number-generator.com best practices score

92

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

Page has valid source maps

SEO Factors

random-number-generator.com SEO score

93

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

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 Random-number-generator.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 Random-number-generator.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

random-number-generator.com

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