Tools & Wizards About Us
shawnotto.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

shawnotto.com

Shawn Otto | science writer • novelist • screenwriter • speaker

Page Load Speed

2 sec in total

First Response

80 ms

Resources Loaded

1.8 sec

Page Rendered

64 ms

shawnotto.com screenshot

About Website

Welcome to shawnotto.com homepage info - get ready to check Shawn Otto best content right away, or after learning these important things about shawnotto.com

Website and blog of Shawn Otto, an award-winning science writer, novelist, screenwriter, speaker, and science advocate

Visit shawnotto.com

Key Findings

We analyzed Shawnotto.com page load time and found that the first response time was 80 ms and then it took 1.9 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

shawnotto.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value9.1 s

32/100

10%

Network Requests Diagram

www.shawnotto.com

80 ms

minified.js

32 ms

focus-within-polyfill.js

29 ms

polyfill.min.js

819 ms

thunderbolt-commons.81e79c4a.bundle.min.js

52 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Shawnotto.com, 30% (12 requests) were made to Static.parastorage.com and 30% (12 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (819 ms) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 636.4 kB (56%)

Content Size

1.1 MB

After Optimization

496.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Shawnotto.com main page is 1.1 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. HTML takes 653.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 497.7 kB

  • Original 653.4 kB
  • After minification 651.7 kB
  • After compression 155.7 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 497.7 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 1.8 kB

  • Original 101.9 kB
  • After minification 100.1 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. Shawn Otto images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 137.0 kB

  • Original 377.7 kB
  • After minification 377.7 kB
  • After compression 240.7 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 137.0 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (37%)

Requests Now

27

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shawn Otto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.shawnotto.com

www.shawnotto.com

80 ms

minified.js

minified.js

32 ms

focus-within-polyfill.js

focus-within-polyfill.js

29 ms

polyfill.min.js

polyfill.min.js

819 ms

thunderbolt-commons.81e79c4a.bundle.min.js

thunderbolt-commons.81e79c4a.bundle.min.js

52 ms

main.e8bb44c8.bundle.min.js

main.e8bb44c8.bundle.min.js

53 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

22 ms

lodash.min.js

lodash.min.js

54 ms

react.production.min.js

react.production.min.js

52 ms

react-dom.production.min.js

react-dom.production.min.js

54 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

52 ms

be2b56_1d9c9cfe9a8a4e5799b9c7a427f38a3d.jpg

be2b56_1d9c9cfe9a8a4e5799b9c7a427f38a3d.jpg

252 ms

Shawn%20Library%20Poster.jpg

Shawn%20Library%20Poster.jpg

110 ms

be2b56_ce4f442d98d9442aa3b24784a81693c0.jpg

be2b56_ce4f442d98d9442aa3b24784a81693c0.jpg

110 ms

be2b56_bb68b672edc14977ab7e1d407a639436~mv2_d_1800_2700_s_2.jpg

be2b56_bb68b672edc14977ab7e1d407a639436~mv2_d_1800_2700_s_2.jpg

346 ms

41d000_e7dce355512545dd73ad25ffd07f6a94.png

41d000_e7dce355512545dd73ad25ffd07f6a94.png

110 ms

41d000_81559ad1886b3e62380ecd6d9e181a42.png

41d000_81559ad1886b3e62380ecd6d9e181a42.png

109 ms

be2b56_bb68b672edc14977ab7e1d407a639436~mv2_d_1800_2700_s_2.jpg

be2b56_bb68b672edc14977ab7e1d407a639436~mv2_d_1800_2700_s_2.jpg

399 ms

be2b56_cb74a1a8d6754331a858ddcecb2bb045.jpg

be2b56_cb74a1a8d6754331a858ddcecb2bb045.jpg

338 ms

be2b56_20cd09b6faae436faed173928e04c829.jpg

be2b56_20cd09b6faae436faed173928e04c829.jpg

477 ms

be2b56_bfcbc621ba2c4cfbbd44454621ddf25a.png

be2b56_bfcbc621ba2c4cfbbd44454621ddf25a.png

416 ms

be2b56_60bd7cb37ce744a5b803a2ac3cf09696.jpg

be2b56_60bd7cb37ce744a5b803a2ac3cf09696.jpg

498 ms

be2b56_6a18a3f39d8a4a15b72ee972a117290b.jpg

be2b56_6a18a3f39d8a4a15b72ee972a117290b.jpg

580 ms

bundle.min.js

bundle.min.js

53 ms

89 ms

87 ms

88 ms

88 ms

88 ms

85 ms

123 ms

119 ms

121 ms

121 ms

120 ms

120 ms

deprecation-en.v5.html

deprecation-en.v5.html

11 ms

bolt-performance

bolt-performance

37 ms

deprecation-style.v5.css

deprecation-style.v5.css

4 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

shawnotto.com accessibility score

82

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

Buttons do not have an accessible name

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

shawnotto.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

shawnotto.com SEO score

92

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

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 Shawnotto.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 Shawnotto.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

shawnotto.com

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