7.2 sec in total
323 ms
6.5 sec
367 ms
Visit expert-security.de now to see the best up-to-date Expert Security content for Germany and also check out these interesting facts you probably never knew about expert-security.de
Sicherheitstechnik Shop › Hier finden Sie professionelle Sicherheitsysteme und alles rund um Haussicherheit! ➤ Jetzt reinschauen!
Visit expert-security.deWe analyzed Expert-security.de page load time and found that the first response time was 323 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
expert-security.de performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value10.2 s
0/100
25%
Value11.3 s
5/100
10%
Value1,890 ms
9/100
30%
Value0.591
11/100
15%
Value15.8 s
6/100
10%
323 ms
2154 ms
286 ms
646 ms
422 ms
Our browser made a total of 235 requests to load all elements on the main page. We found that 11% of them (26 requests) were addressed to the original Expert-security.de, 65% (152 requests) were made to Media-expert-security.de and 9% (22 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Expert-security.de.
Page size can be reduced by 1.3 MB (33%)
3.8 MB
2.6 MB
In fact, the total size of Expert-security.de main page is 3.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 114.9 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 17.1 kB, which is 12% 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 114.9 kB or 84% of the original size.
Potential reduce by 229.7 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. Expert Security images are well optimized though.
Potential reduce by 804.8 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 804.8 kB or 70% of the original size.
Potential reduce by 117.3 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. Expert-security.de needs all CSS files to be minified and compressed as it can save up to 117.3 kB or 84% of the original size.
Number of requests can be reduced by 47 (21%)
228
181
The browser has sent 228 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Expert Security. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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expert-security.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
ARIA
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.
Impact
Issue
ARIA IDs are not unique
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
expert-security.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
expert-security.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
DE
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Expert-security.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 Expert-security.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.
expert-security.de
Open Graph description is not detected on the main page of Expert Security. 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: