Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

portal.rfh-koeln.de

Portal der RH

Page Load Speed

3 sec in total

First Response

305 ms

Resources Loaded

2.5 sec

Page Rendered

128 ms

portal.rfh-koeln.de screenshot

About Website

Click here to check amazing Portal Rfh Koeln content for Germany. Otherwise, check out these important facts you probably never knew about portal.rfh-koeln.de

Das Portal für alle Hochschulangehörigen der Rheinischen Hochschule Köln. Dies ist der Ausgangspunkt für sämtliche IT-Services.

Visit portal.rfh-koeln.de

Key Findings

We analyzed Portal.rfh-koeln.de page load time and found that the first response time was 305 ms and then it took 2.7 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

portal.rfh-koeln.de performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

portal.rfh-koeln.de

305 ms

portal.rfh-koeln.de

447 ms

UserPassword

307 ms

login.css

304 ms

rfh-logo.gif

302 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 22% of them (2 requests) were addressed to the original Portal.rfh-koeln.de, 78% (7 requests) were made to Idp2.rfh-koeln.de. The less responsive or slowest element that took the longest time to load (447 ms) belongs to the original domain Portal.rfh-koeln.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.8 kB (32%)

Content Size

39.4 kB

After Optimization

26.6 kB

In fact, the total size of Portal.rfh-koeln.de main page is 39.4 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. Only 5% of websites need less resources to load. Images take 22.7 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 3.0 kB

  • Original 5.0 kB
  • After minification 4.7 kB
  • After compression 2.0 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 3.0 kB or 60% of the original size.

Image Optimization

-1%

Potential reduce by 306 B

  • Original 22.7 kB
  • After minification 22.4 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. Portal Rfh Koeln images are well optimized though.

CSS Optimization

-81%

Potential reduce by 9.4 kB

  • Original 11.7 kB
  • After minification 8.8 kB
  • After compression 2.2 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. Portal.rfh-koeln.de needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Portal Rfh Koeln. According to our analytics all requests are already optimized.

Accessibility Review

portal.rfh-koeln.de accessibility score

98

Accessibility Issues

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

portal.rfh-koeln.de best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

portal.rfh-koeln.de 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

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Portal.rfh-koeln.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Portal.rfh-koeln.de main page’s claimed encoding is iso-8859-1. 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 Portal Rfh Koeln. 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: