Access katulu.io. Katulu - the Platform for Federated Machine Learning in Industry

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value1,200 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

katulu.io

10 ms

559 ms

e5c0205893e77a4dbf8ba0209b5da0c0.js

541 ms

embed

510 ms

ImproveProductivity-2509d77de1b7e1fdb6acebfcff9ac01d.svg

397 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 80% of them (12 requests) were addressed to the original Katulu.io, 7% (1 request) were made to Cdn.cookie-script.com and 7% (1 request) were made to Katulu.involve.me. The less responsive or slowest element that took the longest time to load (998 ms) belongs to the original domain Katulu.io.

Content Size

833.5 kB

After Optimization

678.2 kB

In fact, the total size of Katulu.io main page is 833.5 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. 25% of websites need less resources to load. Images take 417.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 144.4 kB

Original 170.9 kB
After minification 170.8 kB
After compression 26.5 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 144.4 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 10.2 kB

Original 417.7 kB
After minification 407.5 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. Katulu images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 722 B

Original 244.9 kB
After minification 244.9 kB
After compression 244.2 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.

Requests Now

After Optimization

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katulu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

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 Katulu.io 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 Katulu.io 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

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