Tools & Wizards About Us

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

numericana.com

Numericana: Answering Scientific Questions Logically.

Page Load Speed

20.5 sec in total

First Response

107 ms

Resources Loaded

20.3 sec

Page Rendered

153 ms

About Website

Visit numericana.com now to see the best up-to-date Numericana content for India and also check out these interesting facts you probably never knew about numericana.com

Final answers to scientific questions. Numeracy and numerical culture. Mathematics and physics. Physical measurements and Units. Weights and measures. Historical metrology.

Visit numericana.com

Key Findings

We analyzed Numericana.com page load time and found that the first response time was 107 ms and then it took 20.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

numericana.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.696

7/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

numericana.com

107 ms

urchin.js

8 ms

plusone.js

22 ms

__utm.gif

10 ms

cb=gapi.loaded_0

23 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 86% of them (55 requests) were addressed to the original Numericana.com, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source .

Page Optimization Overview & Recommendations

Page size can be reduced by 26.0 kB (20%)

Content Size

127.6 kB

After Optimization

101.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Numericana.com main page is 127.6 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. 25% of websites need less resources to load. Javascripts take 86.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 25.0 kB

  • Original 32.8 kB
  • After minification 26.3 kB
  • After compression 7.8 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 6.5 kB, which is 20% 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 25.0 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 8.0 kB
  • After minification 8.0 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. Numericana images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.0 kB

  • Original 86.9 kB
  • After minification 86.9 kB
  • After compression 85.8 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.

Requests Breakdown

Number of requests can be reduced by 39 (66%)

Requests Now

59

After Optimization

20

  • AJAX
  • Images
  • JavaScript

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Numericana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

numericana.com accessibility score

68

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.

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

<object> elements do not have alternate text

Best Practices

numericana.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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

numericana.com SEO score

83

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Numericana.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 Numericana.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 Numericana. 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: