Tools & Wizards About Us
jonathan-olson.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

jonathan-olson.com

404 Not Found

Page Load Speed

3.8 sec in total

First Response

1.2 sec

Resources Loaded

2.2 sec

Page Rendered

372 ms

jonathan-olson.com screenshot

About Website

Welcome to jonathan-olson.com homepage info - get ready to check Jonathan Olson best content right away, or after learning these important things about jonathan-olson.com

Visit jonathan-olson.com

Key Findings

We analyzed Jonathan-olson.com page load time and found that the first response time was 1.2 sec and then it took 2.6 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

jonathan-olson.com performance score

0

Network Requests Diagram

jonathan-olson.com

1184 ms

bootstrap.min.css

124 ms

bootstrap-responsive.min.css

139 ms

main.css

149 ms

jquery-latest.js

329 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 69% of them (11 requests) were addressed to the original Jonathan-olson.com, 13% (2 requests) were made to Cdn.mathjax.org and 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Jonathan-olson.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 456.3 kB (62%)

Content Size

734.6 kB

After Optimization

278.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jonathan-olson.com main page is 734.6 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. 45% of websites need less resources to load. Images take 262.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 79.9 kB

  • Original 90.9 kB
  • After minification 89.6 kB
  • After compression 11.1 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 79.9 kB or 88% of the original size.

Image Optimization

-40%

Potential reduce by 103.8 kB

  • Original 262.7 kB
  • After minification 158.9 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, Jonathan Olson needs image optimization as it can save up to 103.8 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 171.2 kB

  • Original 258.1 kB
  • After minification 258.1 kB
  • After compression 86.9 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 171.2 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 101.5 kB

  • Original 122.9 kB
  • After minification 121.9 kB
  • After compression 21.3 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. Jonathan-olson.com needs all CSS files to be minified and compressed as it can save up to 101.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (40%)

Requests Now

15

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jonathan Olson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jonathan-olson.com

jonathan-olson.com

1184 ms

bootstrap.min.css

bootstrap.min.css

124 ms

bootstrap-responsive.min.css

bootstrap-responsive.min.css

139 ms

main.css

main.css

149 ms

jquery-latest.js

jquery-latest.js

329 ms

MathJax.js

MathJax.js

196 ms

main.js

main.js

114 ms

quirk-art.js

quirk-art.js

152 ms

bootstrap.min.js

bootstrap.min.js

153 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

256 ms

ga.js

ga.js

276 ms

tesserace-3d-distance-field-glass.png

tesserace-3d-distance-field-glass.png

277 ms

sudog-gui.png

sudog-gui.png

253 ms

flattening-convolution.png

flattening-convolution.png

274 ms

canvas-diff.png

canvas-diff.png

249 ms

__utm.gif

__utm.gif

164 ms

SEO Factors

jonathan-olson.com SEO score

0

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 Jonathan-olson.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 Jonathan-olson.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

jonathan-olson.com

Open Graph description is not detected on the main page of Jonathan Olson. 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: