Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

jonamdall.com

Amdall Gallery - Artwork, data analysis, and other projects by Jon

Page Load Speed

7.5 sec in total

First Response

13 ms

Resources Loaded

5.6 sec

Page Rendered

2 sec

About Website

Click here to check amazing Jon Amdall content. Otherwise, check out these important facts you probably never knew about jonamdall.com

Portrait artist Jon Amdall runs the Amdall Gallery blog where he shares artwork, research projects, and tech-related interests. Jon uses heavily blended colored pencils to achieve a paint-like effect ...

Visit jonamdall.com

Key Findings

We analyzed Jonamdall.com page load time and found that the first response time was 13 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

jonamdall.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value10.2 s

9/100

10%

TBT (Total Blocking Time)

Value13,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

Network Requests Diagram

jonamdall.com

13 ms

jonamdall.com

39 ms

2029 ms

css

69 ms

masterbar.css

34 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 15% of them (20 requests) were addressed to the original Jonamdall.com, 47% (63 requests) were made to I0.wp.com and 7% (9 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source I0.wp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.5 kB (0%)

Content Size

1.7 MB

After Optimization

1.7 MB

  • Images
  • JavaScript
  • CSS

In fact, the total size of Jonamdall.com main page is 1.7 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. Only a small number of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-0%

Potential reduce by -8 B

  • Original 0 B

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 web page is already compressed.

Image Optimization

-0%

Potential reduce by 534 B

  • Original 1.4 MB
  • After minification 1.4 MB

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. Jon Amdall images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.9 kB

  • Original 228.8 kB
  • After minification 228.8 kB
  • After compression 225.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 13 B

  • Original 61.1 kB
  • After minification 61.1 kB
  • After compression 61.1 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. Jonamdall.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (24%)

Requests Now

123

After Optimization

93

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 123 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jon Amdall. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jonamdall.com accessibility score

85

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-hidden="true"] elements contain focusable descendents

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

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible 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.

Best Practices

jonamdall.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

jonamdall.com SEO score

97

Search Engine Optimization Advices

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 Jonamdall.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 Jonamdall.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 description is not detected on the main page of Jon Amdall. 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: