Tools & Wizards About Us
robertstadler.net screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

robertstadler.net

Studio Robert Stadler - All Projects

Page Load Speed

2.6 sec in total

First Response

209 ms

Resources Loaded

2 sec

Page Rendered

392 ms

robertstadler.net screenshot

About Website

Visit robertstadler.net now to see the best up-to-date Robert Stadler content and also check out these interesting facts you probably never knew about robertstadler.net

Cofounder of the Radi Designers group, Robert Stadler has been working solo since 2000. He is represented Carpenters Workshop gallery in London.

Visit robertstadler.net

Key Findings

We analyzed Robertstadler.net page load time and found that the first response time was 209 ms and then it took 2.4 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

robertstadler.net performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.318

36/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

robertstadler.net

209 ms

robertstadler.net

451 ms

stylesheet.css

107 ms

screen.css

209 ms

800.css

307 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 91% of them (30 requests) were addressed to the original Robertstadler.net, 6% (2 requests) were made to Ssl.google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (872 ms) belongs to the original domain Robertstadler.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 259.2 kB (6%)

Content Size

4.6 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Robertstadler.net main page is 4.6 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. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 15.3 kB

  • Original 18.8 kB
  • After minification 17.9 kB
  • After compression 3.5 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 15.3 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 241.7 kB

  • Original 4.5 MB
  • After minification 4.3 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. Robert Stadler images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 491 B

  • Original 52.4 kB
  • After minification 52.4 kB
  • After compression 51.9 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

-27%

Potential reduce by 1.7 kB

  • Original 6.3 kB
  • After minification 6.3 kB
  • After compression 4.6 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. Robertstadler.net needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (24%)

Requests Now

29

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robert Stadler. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

robertstadler.net

robertstadler.net

209 ms

robertstadler.net

robertstadler.net

451 ms

stylesheet.css

stylesheet.css

107 ms

screen.css

screen.css

209 ms

800.css

800.css

307 ms

500.css

500.css

308 ms

jquery.min.js

jquery.min.js

23 ms

jquery.tinysort.min.js

jquery.tinysort.min.js

299 ms

scripts.js

scripts.js

298 ms

up.png

up.png

440 ms

previous.png

previous.png

539 ms

thumb.jpg

thumb.jpg

431 ms

thumb.jpg

thumb.jpg

688 ms

thumb.jpg

thumb.jpg

484 ms

thumb.jpg

thumb.jpg

604 ms

thumb.jpeg

thumb.jpeg

599 ms

thumb.jpg

thumb.jpg

417 ms

thumb.jpg

thumb.jpg

613 ms

thumb.jpg

thumb.jpg

530 ms

thumb.jpg

thumb.jpg

678 ms

thumb.jpg

thumb.jpg

728 ms

thumb.gif

thumb.gif

794 ms

thumb.jpeg

thumb.jpeg

809 ms

thumb.jpg

thumb.jpg

718 ms

thumb.jpg

thumb.jpg

778 ms

thumb.jpg

thumb.jpg

795 ms

thumb.jpg

thumb.jpg

828 ms

thumb.jpg

thumb.jpg

838 ms

ga.js

ga.js

22 ms

VeraMono-webfont.woff

VeraMono-webfont.woff

857 ms

VeraMono-Bold-webfont.woff

VeraMono-Bold-webfont.woff

872 ms

__utm.gif

__utm.gif

12 ms

iphone.css

iphone.css

102 ms

Accessibility Review

robertstadler.net accessibility score

83

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

[id] attributes on active, focusable elements are not unique

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

Best Practices

robertstadler.net best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

robertstadler.net SEO score

99

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robertstadler.net 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 Robertstadler.net 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

robertstadler.net

Open Graph description is not detected on the main page of Robert Stadler. 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: