Tools & Wizards About Us
kost-sicherheitstechnik.de screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

kost-sicherheitstechnik.de

Kost Dortmund: Experten für Alarmanlagen & Sicherheit

Page Load Speed

4.1 sec in total

First Response

386 ms

Resources Loaded

2.9 sec

Page Rendered

806 ms

kost-sicherheitstechnik.de screenshot

About Website

Welcome to kost-sicherheitstechnik.de homepage info - get ready to check Kost Sicherheit Stechnik best content right away, or after learning these important things about kost-sicherheitstechnik.de

Kost-Sicherheitstechnik bietet in Dortmund und Umgebung professionelle Sicherheitssysteme für Privat und Gewerbe. Kontaktieren Sie uns.

Visit kost-sicherheitstechnik.de

Key Findings

We analyzed Kost-sicherheitstechnik.de page load time and found that the first response time was 386 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kost-sicherheitstechnik.de performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

kost-sicherheitstechnik.de

386 ms

kost-sicherheitstechnik.de

522 ms

main.css

106 ms

style.min.css

205 ms

header-footer-elementor.css

290 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 91% of them (69 requests) were addressed to the original Kost-sicherheitstechnik.de, 3% (2 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Kost-sicherheitstechnik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 495.6 kB (28%)

Content Size

1.8 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kost-sicherheitstechnik.de main page is 1.8 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. 70% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 172.2 kB

  • Original 201.4 kB
  • After minification 196.7 kB
  • After compression 29.2 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 172.2 kB or 86% of the original size.

Image Optimization

-8%

Potential reduce by 88.4 kB

  • Original 1.1 MB
  • After minification 965.0 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. Kost Sicherheit Stechnik images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 18.8 kB

  • Original 148.3 kB
  • After minification 148.3 kB
  • After compression 129.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 18.8 kB or 13% of the original size.

CSS Optimization

-59%

Potential reduce by 216.1 kB

  • Original 369.0 kB
  • After minification 368.7 kB
  • After compression 152.8 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. Kost-sicherheitstechnik.de needs all CSS files to be minified and compressed as it can save up to 216.1 kB or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (74%)

Requests Now

70

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kost Sicherheit Stechnik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 30 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kost-sicherheitstechnik.de

kost-sicherheitstechnik.de

386 ms

kost-sicherheitstechnik.de

kost-sicherheitstechnik.de

522 ms

main.css

main.css

106 ms

style.min.css

style.min.css

205 ms

header-footer-elementor.css

header-footer-elementor.css

290 ms

elementor-icons.min.css

elementor-icons.min.css

290 ms

frontend-lite.min.css

frontend-lite.min.css

394 ms

swiper.min.css

swiper.min.css

299 ms

post-367.css

post-367.css

301 ms

frontend-lite.min.css

frontend-lite.min.css

302 ms

post-397.css

post-397.css

384 ms

frontend.css

frontend.css

388 ms

all.min.css

all.min.css

496 ms

v4-shims.min.css

v4-shims.min.css

402 ms

text-editor.css

text-editor.css

400 ms

style.min.css

style.min.css

481 ms

theme.min.css

theme.min.css

482 ms

post-394.css

post-394.css

489 ms

post-1071.css

post-1071.css

500 ms

post-983.css

post-983.css

501 ms

post-926.css

post-926.css

576 ms

borlabs-cookie_1_en.css

borlabs-cookie_1_en.css

577 ms

joinchat.min.css

joinchat.min.css

587 ms

css

css

37 ms

jkiticon.css

jkiticon.css

602 ms

fontawesome.min.css

fontawesome.min.css

600 ms

solid.min.css

solid.min.css

608 ms

brands.min.css

brands.min.css

671 ms

v4-shims.min.js

v4-shims.min.js

679 ms

jquery.min.js

jquery.min.js

786 ms

jquery-migrate.min.js

jquery-migrate.min.js

697 ms

js

js

58 ms

widget-icon-list.min.css

widget-icon-list.min.css

697 ms

widget-animated-headline.min.css

widget-animated-headline.min.css

701 ms

widget-nav-menu.min.css

widget-nav-menu.min.css

765 ms

animations.min.css

animations.min.css

929 ms

hello-frontend.min.js

hello-frontend.min.js

930 ms

qr-creator.min.js

qr-creator.min.js

930 ms

joinchat.min.js

joinchat.min.js

937 ms

webpack.runtime.min.js

webpack.runtime.min.js

831 ms

frontend-modules.min.js

frontend-modules.min.js

735 ms

waypoints.min.js

waypoints.min.js

655 ms

core.min.js

core.min.js

654 ms

frontend.min.js

frontend.min.js

719 ms

sticky-element.js

sticky-element.js

739 ms

nav-menu.js

nav-menu.js

735 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

650 ms

borlabs-cookie.min.js

borlabs-cookie.min.js

648 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

643 ms

hooks.min.js

hooks.min.js

712 ms

i18n.min.js

i18n.min.js

729 ms

frontend.min.js

frontend.min.js

654 ms

elements-handlers.min.js

elements-handlers.min.js

654 ms

fbevents.js

fbevents.js

163 ms

gtm.js

gtm.js

143 ms

Kost-Logo-seit-1995.png

Kost-Logo-seit-1995.png

339 ms

cctv-security-online-camera-with-house-plan.jpeg

cctv-security-online-camera-with-house-plan.jpeg

512 ms

1255864-3-von-4-1024x683.jpg

1255864-3-von-4-1024x683.jpg

588 ms

protect-your-house-1-1024x682.jpg

protect-your-house-1-1024x682.jpg

596 ms

Security-Camera-white-e1619874506151.png

Security-Camera-white-e1619874506151.png

789 ms

Dortmund-Slider-2.png

Dortmund-Slider-2.png

507 ms

Carlos-Slider-2.png

Carlos-Slider-2.png

509 ms

Future-X-Slider-2.png

Future-X-Slider-2.png

605 ms

Hoerstke-Slider-2.png

Hoerstke-Slider-2.png

612 ms

logo-dfm.png

logo-dfm.png

616 ms

McFit-Slider-1.png

McFit-Slider-1.png

689 ms

Olympia-Slider-1.png

Olympia-Slider-1.png

692 ms

L-Arrivee-Slider-1.png

L-Arrivee-Slider-1.png

804 ms

Versatel-Slider-1.png

Versatel-Slider-1.png

709 ms

xfbml.customerchat.js

xfbml.customerchat.js

26 ms

font

font

67 ms

fa-solid-900.woff

fa-solid-900.woff

602 ms

fa-regular-400.woff

fa-regular-400.woff

676 ms

jkiticon.woff

jkiticon.woff

1059 ms

fa-brands-400.woff

fa-brands-400.woff

694 ms

28 ms

Accessibility Review

kost-sicherheitstechnik.de accessibility score

81

Accessibility Issues

Names and labels

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.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

kost-sicherheitstechnik.de 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kost-sicherheitstechnik.de SEO score

93

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kost-sicherheitstechnik.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Kost-sicherheitstechnik.de 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

kost-sicherheitstechnik.de

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