Tools & Wizards About Us
videoueberwachung21.de screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

videoueberwachung21.de

Videoueberwachung21.de - professionelle Videotechnik und Videoüberwachungssysteme

Page Load Speed

2.1 sec in total

First Response

464 ms

Resources Loaded

1.4 sec

Page Rendered

239 ms

videoueberwachung21.de screenshot

About Website

Welcome to videoueberwachung21.de homepage info - get ready to check Videoueberwachung21 best content right away, or after learning these important things about videoueberwachung21.de

Videoüberwachungen: Überwachungskameras, Mini-Kameras und Videoaufzeichnungen für jeden Einsatzzweck. Videoüberwachungen mit Nachtsicht-Kameras, vandalismusgeschützten Kameras und Tarn-Kameras für ver...

Visit videoueberwachung21.de

Key Findings

We analyzed Videoueberwachung21.de page load time and found that the first response time was 464 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

videoueberwachung21.de performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

videoueberwachung21.de

464 ms

jquery.min.js

25 ms

rollover.js

236 ms

fusion.css

216 ms

style.css

213 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Videoueberwachung21.de, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (761 ms) belongs to the original domain Videoueberwachung21.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.0 kB (30%)

Content Size

381.4 kB

After Optimization

266.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Videoueberwachung21.de main page is 381.4 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. 25% of websites need less resources to load. Images take 273.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 18.2 kB

  • Original 22.6 kB
  • After minification 19.5 kB
  • After compression 4.4 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. This page needs HTML code to be minified as it can gain 3.2 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.2 kB or 80% of the original size.

Image Optimization

-14%

Potential reduce by 38.8 kB

  • Original 273.3 kB
  • After minification 234.5 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. Obviously, Videoueberwachung21 needs image optimization as it can save up to 38.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 51.4 kB

  • Original 77.5 kB
  • After minification 74.4 kB
  • After compression 26.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 51.4 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 6.6 kB

  • Original 8.0 kB
  • After minification 5.2 kB
  • After compression 1.4 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. Videoueberwachung21.de needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Videoueberwachung21. According to our analytics all requests are already optimized.

Network Requests Diagram

videoueberwachung21.de

videoueberwachung21.de

464 ms

jquery.min.js

jquery.min.js

25 ms

rollover.js

rollover.js

236 ms

fusion.css

fusion.css

216 ms

style.css

style.css

213 ms

site.css

site.css

221 ms

analytics.js

analytics.js

55 ms

Background-rot-1.jpg

Background-rot-1.jpg

113 ms

Banner-Videoueberwachung-2014.jpg

Banner-Videoueberwachung-2014.jpg

237 ms

Home_Hp_Highlighted.jpg

Home_Hp_Highlighted.jpg

117 ms

Video---Konzepte_Np_Regular.jpg

Video---Konzepte_Np_Regular.jpg

119 ms

-berwachung--per-Internet_Np_Regular.jpg

-berwachung--per-Internet_Np_Regular.jpg

120 ms

Videotechnik---Leasing_Np_Regular.jpg

Videotechnik---Leasing_Np_Regular.jpg

220 ms

Videosysteme--mieten_Np_Regular.jpg

Videosysteme--mieten_Np_Regular.jpg

227 ms

Alarm---anlage---EMA_Np_Regular.jpg

Alarm---anlage---EMA_Np_Regular.jpg

236 ms

Kontakt----Impressum_Np_Regular.jpg

Kontakt----Impressum_Np_Regular.jpg

234 ms

clearpixel.gif

clearpixel.gif

221 ms

Video-per-Internet-_Ns_Regular.gif

Video-per-Internet-_Ns_Regular.gif

328 ms

Security-Kameras_Ns_Regular.gif

Security-Kameras_Ns_Regular.gif

328 ms

Tarnkameras_Np_Regular.jpg

Tarnkameras_Np_Regular.jpg

337 ms

Videoaufzeichnung_Np_Regular.jpg

Videoaufzeichnung_Np_Regular.jpg

344 ms

dunkle-gestalten.jpg

dunkle-gestalten.jpg

761 ms

Everfocus-Logo.jpg

Everfocus-Logo.jpg

346 ms

ltv-europe-security-130.jpg

ltv-europe-security-130.jpg

439 ms

HEITEL_xtralis-130.jpg

HEITEL_xtralis-130.jpg

443 ms

Lupus-Electronics-Logo.jpg

Lupus-Electronics-Logo.jpg

444 ms

LUPUSEC-XT2Plus_Logo_-170_1.png

LUPUSEC-XT2Plus_Logo_-170_1.png

463 ms

Footer-Videotechnik.jpg

Footer-Videotechnik.jpg

459 ms

collect

collect

16 ms

Accessibility Review

videoueberwachung21.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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

videoueberwachung21.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

videoueberwachung21.de SEO score

88

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Videoueberwachung21.de can be misinterpreted by Google and other search engines. Our service has detected that German 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 Videoueberwachung21.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

videoueberwachung21.de

Open Graph description is not detected on the main page of Videoueberwachung21. 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: