2.4 sec in total
583 ms
1.7 sec
121 ms
Welcome to vdt-oberhausen.de homepage info - get ready to check VDT Oberhausen best content right away, or after learning these important things about vdt-oberhausen.de
Klammern, Nageln, Schrauben - Tacker von BeA, MAX, Senco und TJEP - VDT GmbH Ihr Partner fuer Befestigungstechnik in NRW
Visit vdt-oberhausen.deWe analyzed Vdt-oberhausen.de page load time and found that the first response time was 583 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
vdt-oberhausen.de performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value6.0 s
13/100
25%
Value16.0 s
0/100
10%
Value1,320 ms
17/100
30%
Value0.215
58/100
15%
Value14.2 s
9/100
10%
583 ms
687 ms
294 ms
403 ms
295 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 67% of them (20 requests) were addressed to the original Vdt-oberhausen.de, 27% (8 requests) were made to Apis.google.com and 3% (1 request) were made to Accounts.google.com. The less responsive or slowest element that took the longest time to load (842 ms) belongs to the original domain Vdt-oberhausen.de.
Page size can be reduced by 98.5 kB (62%)
159.9 kB
61.4 kB
In fact, the total size of Vdt-oberhausen.de main page is 159.9 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. Javascripts take 104.2 kB which makes up the majority of the site volume.
Potential reduce by 12.1 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 2.4 kB, which is 15% 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 12.1 kB or 74% of the original size.
Potential reduce by 221 B
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. VDT Oberhausen images are well optimized though.
Potential reduce by 74.6 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 74.6 kB or 72% of the original size.
Potential reduce by 11.5 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. Vdt-oberhausen.de needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 82% of the original size.
Number of requests can be reduced by 14 (48%)
29
15
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VDT Oberhausen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
vdt-oberhausen.de
583 ms
mootools.js
687 ms
caption.js
294 ms
blue.css
403 ms
td_stylechanger.js
295 ms
td_colorchanger.js
842 ms
prototype.lite.js
215 ms
moo.fx.js
411 ms
plusone.js
97 ms
flashobject.js
456 ms
cb=gapi.loaded_0
25 ms
background_blue.gif
118 ms
tools_label.gif
113 ms
logo_blue.gif
113 ms
bea.jpg
197 ms
kaeser.jpg
209 ms
senco.jpg
207 ms
hot.jpg
221 ms
feuer.jpg
223 ms
w3c_xhtml_icon.gif
234 ms
w3c_css_icon.gif
316 ms
toolbar_div_blue.jpg
297 ms
cb=gapi.loaded_1
29 ms
fastbutton
131 ms
postmessageRelay
38 ms
3193398744-postmessagerelay.js
49 ms
rpc:shindig_random.js
30 ms
cb=gapi.loaded_0
11 ms
cb=gapi.loaded_0
30 ms
cb=gapi.loaded_1
19 ms
vdt-oberhausen.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
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
Links do not have a discernible name
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.
vdt-oberhausen.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
vdt-oberhausen.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vdt-oberhausen.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 Vdt-oberhausen.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.
vdt-oberhausen.de
Open Graph description is not detected on the main page of VDT Oberhausen. 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: