Tools & Wizards About Us

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

alarmvideo.de

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Page Load Speed

7 sec in total

First Response

969 ms

Resources Loaded

5.3 sec

Page Rendered

706 ms

About Website

Visit alarmvideo.de now to see the best up-to-date Alarmvideo content and also check out these interesting facts you probably never knew about alarmvideo.de

Wir als Experten für Netzwerkkameras, HD-SDI-Kameras ,TVI-Kamera können eine Video-Überwachungsanlage genau auf den Zweck der Überwachung und auf die Gegebenheiten ausrichten und so eine individuell p...

Visit alarmvideo.de

Key Findings

We analyzed Alarmvideo.de page load time and found that the first response time was 969 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

alarmvideo.de performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

Network Requests Diagram

alarmvideo.de

969 ms

bootstrap.css

588 ms

offcanvas-menu.css

497 ms

pnotify.custom.css

502 ms

jquery-slider.css

503 ms

Our browser made a total of 168 requests to load all elements on the main page. We found that 97% of them (163 requests) were addressed to the original Alarmvideo.de, 1% (2 requests) were made to Code.etracker.com and 1% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (969 ms) belongs to the original domain Alarmvideo.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 331.8 kB (17%)

Content Size

1.9 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alarmvideo.de main page is 1.9 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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 241.9 kB

  • Original 266.7 kB
  • After minification 206.8 kB
  • After compression 24.8 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 59.9 kB, which is 22% 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 241.9 kB or 91% of the original size.

Image Optimization

-3%

Potential reduce by 43.6 kB

  • Original 1.4 MB
  • After minification 1.3 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. Alarmvideo images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 38.8 kB

  • Original 234.9 kB
  • After minification 234.9 kB
  • After compression 196.1 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 38.8 kB or 16% of the original size.

CSS Optimization

-15%

Potential reduce by 7.5 kB

  • Original 51.3 kB
  • After minification 51.3 kB
  • After compression 43.8 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. Alarmvideo.de needs all CSS files to be minified and compressed as it can save up to 7.5 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (25%)

Requests Now

161

After Optimization

121

  • Images
  • JavaScript
  • CSS

The browser has sent 161 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alarmvideo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

alarmvideo.de accessibility score

76

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

alarmvideo.de best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

alarmvideo.de SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alarmvideo.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Alarmvideo.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 data is detected on the main page of Alarmvideo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: