Tools & Wizards About Us
age.ninja screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

age.ninja

Age Calculator - 28 interesting facts calculated from DOB

Page Load Speed

2.6 sec in total

First Response

326 ms

Resources Loaded

2.1 sec

Page Rendered

184 ms

age.ninja screenshot

About Website

Welcome to age.ninja homepage info - get ready to check Age best content right away, or after learning these important things about age.ninja

Age calculator from DOB for you and 20,000 celebrities. It calculates combine birthday, half birthday, animal age or planet age.

Visit age.ninja

Key Findings

We analyzed Age.ninja page load time and found that the first response time was 326 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

age.ninja performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.351

31/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

age.ninja

326 ms

age.ninja

492 ms

analytics.js

108 ms

w3.css

236 ms

main.css

344 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 77% of them (20 requests) were addressed to the original Age.ninja, 8% (2 requests) were made to Pagead2.googlesyndication.com and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (553 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.4 kB (24%)

Content Size

469.4 kB

After Optimization

356.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Age.ninja main page is 469.4 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. 20% of websites need less resources to load. Javascripts take 251.8 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 107.5 kB

  • Original 115.0 kB
  • After minification 44.5 kB
  • After compression 7.5 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. This page needs HTML code to be minified as it can gain 70.6 kB, which is 61% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 107.5 kB or 93% of the original size.

Image Optimization

-5%

Potential reduce by 5.1 kB

  • Original 96.1 kB
  • After minification 91.0 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. Age images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 138 B

  • Original 251.8 kB
  • After minification 251.8 kB
  • After compression 251.6 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

-10%

Potential reduce by 680 B

  • Original 6.5 kB
  • After minification 6.5 kB
  • After compression 5.8 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. Age.ninja has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (33%)

Requests Now

24

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Age. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

age.ninja

age.ninja

326 ms

age.ninja

age.ninja

492 ms

analytics.js

analytics.js

108 ms

w3.css

w3.css

236 ms

main.css

main.css

344 ms

adsbygoogle.js

adsbygoogle.js

107 ms

analytics.js

analytics.js

96 ms

logo.png

logo.png

258 ms

calendar-icon.png

calendar-icon.png

234 ms

show_ads_impl.js

show_ads_impl.js

411 ms

zrt_lookup_nohtml.html

zrt_lookup_nohtml.html

47 ms

close.png

close.png

249 ms

button-person.png

button-person.png

246 ms

button-celebrity.png

button-celebrity.png

247 ms

6539s.jpg

6539s.jpg

371 ms

6534s.jpg

6534s.jpg

438 ms

6533s.jpg

6533s.jpg

490 ms

main-features-half.png

main-features-half.png

354 ms

main-features-combine.png

main-features-combine.png

355 ms

main-features-time-units.png

main-features-time-units.png

354 ms

main-animal-dog.png

main-animal-dog.png

477 ms

main-features-planets.png

main-features-planets.png

476 ms

main-features-more.png

main-features-more.png

478 ms

collect

collect

17 ms

select.png

select.png

335 ms

ads

ads

553 ms

Accessibility Review

age.ninja accessibility score

62

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

age.ninja best practices score

83

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

Page has valid source maps

SEO Factors

age.ninja SEO score

79

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 doesn't use 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 Age.ninja 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 Age.ninja 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

age.ninja

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