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functologic.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

functologic.com

André Platzer @ Karlsruhe Institute of Technology

Page Load Speed

2.8 sec in total

First Response

222 ms

Resources Loaded

2.2 sec

Page Rendered

342 ms

functologic.com screenshot

About Website

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

André Platzer is the Alexander von Humboldt Professor at Karlsruhe Institute of Technology. He develops logics for dynamical systems to characterize the logical foundations of cyber-physical systems a...

Visit functologic.com

Key Findings

We analyzed Functologic.com page load time and found that the first response time was 222 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

functologic.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

functologic.com

222 ms

lfcps.org

588 ms

layout.css

115 ms

LHr-dZ5SuVo

119 ms

signe.gif

119 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Functologic.com, 62% (21 requests) were made to Lfcps.org and 15% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Lfcps.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.6 kB (11%)

Content Size

2.0 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Functologic.com main page is 2.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 19.5 kB

  • Original 25.1 kB
  • After minification 23.5 kB
  • After compression 5.6 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 19.5 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 191.0 kB

  • Original 1.7 MB
  • After minification 1.5 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. Obviously, Functologic needs image optimization as it can save up to 191.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 2.6 kB

  • Original 166.7 kB
  • After minification 166.7 kB
  • After compression 164.1 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

-13%

Potential reduce by 9.5 kB

  • Original 71.2 kB
  • After minification 66.8 kB
  • After compression 61.7 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. Functologic.com needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (13%)

Requests Now

30

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Functologic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

functologic.com

functologic.com

222 ms

lfcps.org

lfcps.org

588 ms

layout.css

layout.css

115 ms

LHr-dZ5SuVo

LHr-dZ5SuVo

119 ms

signe.gif

signe.gif

119 ms

Symbolaris.png

Symbolaris.png

613 ms

AndrePlatzer.jpg

AndrePlatzer.jpg

1148 ms

orcid_16x16.png

orcid_16x16.png

612 ms

KeYmaeraX-eye.png

KeYmaeraX-eye.png

878 ms

lfcps-cover-eye.png

lfcps-cover-eye.png

996 ms

diffaxiomatic-eye.jpg

diffaxiomatic-eye.jpg

857 ms

design-logo.png

design-logo.png

749 ms

fig-dGL-eyecatcher.png

fig-dGL-eyecatcher.png

765 ms

fig-mds-dynamics.png

fig-mds-dynamics.png

952 ms

robix-safezone.png

robix-safezone.png

1147 ms

acasx-zones.gif

acasx-zones.gif

1054 ms

fig-distributed-car-control.png

fig-distributed-car-control.png

1080 ms

fig-flyable-tangential-roundaboutA.png

fig-flyable-tangential-roundaboutA.png

1056 ms

KeYmaera-small.png

KeYmaera-small.png

1105 ms

Platzer-LAHS-eye.png

Platzer-LAHS-eye.png

1167 ms

fig-dL-eyecatcher.png

fig-dL-eyecatcher.png

1166 ms

fig-dRL-eyecatcher.png

fig-dRL-eyecatcher.png

1284 ms

fig-SdL-eyecatcher.png

fig-SdL-eyecatcher.png

1312 ms

www-player.css

www-player.css

6 ms

www-embed-player.js

www-embed-player.js

55 ms

base.js

base.js

79 ms

ad_status.js

ad_status.js

178 ms

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

133 ms

embed.js

embed.js

51 ms

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

50 ms

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

58 ms

Create

Create

93 ms

id

id

84 ms

GenerateIT

GenerateIT

15 ms

Accessibility Review

functologic.com accessibility score

88

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

Best Practices

functologic.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

functologic.com 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 Functologic.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 Functologic.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

functologic.com

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