Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

tauday.com

Tau Day | No, really, pi is wrong: The Tau Manifesto by Michael Hartl

Page Load Speed

3.4 sec in total

First Response

57 ms

Resources Loaded

3 sec

Page Rendered

412 ms

About Website

Click here to check amazing Tau Day content for United States. Otherwise, check out these important facts you probably never knew about tauday.com

The Tau Manifesto is dedicated to one of the most important numbers in mathematics, perhaps the most important: the circle constant relating the circumference of a circle to its linear dimension. For ...

Visit tauday.com

Key Findings

We analyzed Tauday.com page load time and found that the first response time was 57 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

tauday.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value13,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

tauday.com

57 ms

tauday.com

171 ms

application-cc8378e0dbe965bfad06ef8be3b305b984f8982d00b2c801b25a7857d44fec69.css

21 ms

application-59f0d313222fc7ba3ebcb9dc8675bd76944165e61f99daf1d3755604d4eccec2.js

60 ms

polyfill.min.js

344 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 14% of them (8 requests) were addressed to the original Tauday.com, 24% (14 requests) were made to Youtube.com and 16% (9 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (873 ms) relates to the external source Jnn-pa.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.6 kB (6%)

Content Size

582.0 kB

After Optimization

549.4 kB

In fact, the total size of Tauday.com main page is 582.0 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 a small number of websites need less resources to load. Javascripts take 354.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.4 kB

  • Original 28.0 kB
  • After minification 27.1 kB
  • After compression 6.5 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. 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 21.4 kB or 77% of the original size.

Image Optimization

-8%

Potential reduce by 6.2 kB

  • Original 75.9 kB
  • After minification 69.7 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. Tau Day images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 4.9 kB

  • Original 354.3 kB
  • After minification 354.3 kB
  • After compression 349.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 28 B

  • Original 123.8 kB
  • After minification 123.8 kB
  • After compression 123.8 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. Tauday.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (35%)

Requests Now

46

After Optimization

30

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tau Day. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

tauday.com accessibility score

55

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

tauday.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tauday.com SEO score

90

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

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tauday.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tauday.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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