Access rad-sicherheit.com. RAD Sicherheit – Köln/Bonn und bundesweit

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

rad-sicherheit.com

995 ms

app.js

722 ms

style.min.css

420 ms

dashicons.min.css

466 ms

encrypt-email.css

314 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 87% of them (62 requests) were addressed to the original Rad-sicherheit.com, 10% (7 requests) were made to Cloud.ccm19.de and 3% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rad-sicherheit.com.

Content Size

4.6 MB

After Optimization

3.2 MB

In fact, the total size of Rad-sicherheit.com 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. 45% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 1.3 MB

Original 1.5 MB
After minification 1.5 MB
After compression 199.0 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 1.3 MB or 86% of the original size.

Image Optimization

-6%

Potential reduce by 187.5 kB

Original 3.2 MB
After minification 3.0 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. RAD Sicherheit images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 5 B

Original 2.3 kB
After minification 2.3 kB
After compression 2.2 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 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RAD Sicherheit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes are not valid or misspelled

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 keyboard navigation in your application.

High

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

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rad-sicherheit.com 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 Rad-sicherheit.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

rad-sicherheit.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

RAD Sicherheit – Köln/Bonn und bundesweit – Sicherheitsdienstleister

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

rad-sicherheit.com

app.js

style.min.css

dashicons.min.css

encrypt-email.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

rad-sicherheit.com

app.js

style.min.css

dashicons.min.css

encrypt-email.css

style.min.css

style.css

jquery.min.js

jquery-migrate.min.js

cookieconsent.min.css

cookieconsent.min.js

dc8b1040cb962d9fe484861f2cba1747.min.js

lcp-beacon.min.js

app.css

module.js

widget

RAD-Logo-GOLD-DARK_horizontal_retina-1.png

phone-solid.svg

envelope-solid.svg

VFS-Global.png

Integra_logo-3.png

Qpark_logo.png

AboutYou_logo.png

Nike_logo.png

Red_Bull_Logo.png

Uniplan_Logo.png

Galeria_Kaufhof_logo.png

KonradAdenauerStiftung_logo-1.png

CubeRealEstate_logo.png

Zollstock_Arkaden_logo.png

Malteser_logo-1.png

IAA_logo.png

Galeria_Kaufhof_logo-1.png

Nike_logo-1.png

Red_Bull_Logo-1.png

Zollstock_Arkaden_logo-2.png

IAA_logo-1.png

Qpark_logo-1.png

Steigenberger-Logo2.png

rad-sicherheit-arrow-right.svg

rad-headerimage-f1-paddock-club-.jpg

arrow_black.png

rad-headerimage-casestudy-summerjam-2.jpg

rad-sicherheit-logo_koeln-bonn-airport.png