Tools & Wizards About Us

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

whose-number-is-this.com

Page Load Speed

213 ms in total

First Response

48 ms

Resources Loaded

63 ms

Page Rendered

102 ms

About Website

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Key Findings

We analyzed Whose-number-is-this.com page load time and found that the first response time was 48 ms and then it took 165 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

whose-number-is-this.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

68/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

whose-number-is-this.com

48 ms

bWMbSkOYm.js

13 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Whose-number-is-this.com and no external sources were called. The less responsive or slowest element that took the longest time to load (48 ms) belongs to the original domain Whose-number-is-this.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 457.0 kB (58%)

Content Size

783.1 kB

After Optimization

326.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Whose-number-is-this.com main page is 783.1 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. Only 5% of websites need less resources to load. Javascripts take 571.9 kB which makes up the majority of the site volume.

HTML Optimization

-28%

Potential reduce by 295 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 776 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 295 B or 28% of the original size.

Image Optimization

-47%

Potential reduce by 29.6 kB

  • Original 62.4 kB
  • After minification 32.8 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. Obviously, Whose Number Is This needs image optimization as it can save up to 29.6 kB or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 305.8 kB

  • Original 571.9 kB
  • After minification 551.6 kB
  • After compression 266.1 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 305.8 kB or 53% of the original size.

CSS Optimization

-82%

Potential reduce by 121.3 kB

  • Original 147.7 kB
  • After minification 146.2 kB
  • After compression 26.4 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. Whose-number-is-this.com needs all CSS files to be minified and compressed as it can save up to 121.3 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • JavaScript

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Whose Number Is This. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

whose-number-is-this.com accessibility score

86

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

Best Practices

whose-number-is-this.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

SEO Factors

whose-number-is-this.com 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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Whose-number-is-this.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Whose-number-is-this.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

Open Graph description is not detected on the main page of Whose Number Is This. 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: