3.5 sec in total
368 ms
2.8 sec
325 ms
Click here to check amazing STF Gruppe content. Otherwise, check out these important facts you probably never knew about stf-gruppe.de
Die Zukunft heute gestalten! Die 360° Ingenieurkompetenz der STF Gruppe steht bundesweit für Qualität und Innovationen.
Visit stf-gruppe.deWe analyzed Stf-gruppe.de page load time and found that the first response time was 368 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
stf-gruppe.de performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value11.1 s
0/100
25%
Value8.5 s
17/100
10%
Value1,270 ms
19/100
30%
Value0
100/100
15%
Value14.3 s
9/100
10%
368 ms
678 ms
299 ms
419 ms
229 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 76% of them (41 requests) were addressed to the original Stf-gruppe.de, 17% (9 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Stf-gruppe.de.
Page size can be reduced by 572.4 kB (27%)
2.2 MB
1.6 MB
In fact, the total size of Stf-gruppe.de main page is 2.2 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. 40% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 21.6 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 3.0 kB, which is 11% 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 21.6 kB or 80% of the original size.
Potential reduce by 1.6 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. STF Gruppe images are well optimized though.
Potential reduce by 406.5 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 406.5 kB or 79% of the original size.
Potential reduce by 142.7 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. Stf-gruppe.de needs all CSS files to be minified and compressed as it can save up to 142.7 kB or 83% of the original size.
Number of requests can be reduced by 25 (58%)
43
18
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STF Gruppe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
stf-gruppe.de
368 ms
www.stf-gruppe.de
678 ms
news-basic.1394623134.css
299 ms
stylesheet_52fd2961d9.1407399339.css
419 ms
reset-min.1394622208.css
229 ms
bootstrap.min.1394622223.css
847 ms
superfish.1394622209.css
335 ms
jquery-ui.1394622207.css
786 ms
lightbox.1394622427.css
494 ms
myStyles.1442243817.css
503 ms
packed.1394623193.js
444 ms
javascript_bd4d1f63e4.1394633955.js
525 ms
jquery.min.js
29 ms
bootstrap.min.1394622229.js
646 ms
hoverIntent.1394622190.js
298 ms
superfish.1394622201.js
311 ms
jquery-ui.1394622201.js
1363 ms
modernizr.custom.1394622430.js
398 ms
lightbox-2.6.min.1394622429.js
415 ms
custom.1394622189.js
501 ms
css
29 ms
close.png
134 ms
loading.gif
133 ms
prev.png
132 ms
next.png
107 ms
logo_stf-gruppe.png
162 ms
f277ea7dbe.png
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cc61a10bab.png
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xing.png
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csm_STF_Tele_Consult_DB_Netz_AG_1600x554_882a95a666.jpg
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csm_STF_Placement_LG_Electronics_1600x554_ca42795aee.jpg
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csm_STF_Energy_Pietsch_Bochum_GmbH_1600x554_539c73fde8.jpg
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csm_STF_Tele_Consult_Vodafone_Campus_1600x554_b_42b8b150f7.jpg
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csm_STF_Energy_SWD_Verwaltung_1600x554_6308a5fc80.jpg
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logo_stf_teleconsult.png
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logo_stf_energy.png
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logo_stf_placement.png
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ffffff.jpg
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analytics.js
75 ms
bg_nav.png
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trans_w_23.png
1066 ms
skipper_left_hover.png
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skipper_right.png
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logo_stf-gruppe_footer.png
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stf-gruppe.de accessibility score
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-*] attributes do not match their roles
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
Buttons do not have an accessible name
Form elements do not have associated labels
Links do not have a discernible name
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
stf-gruppe.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
stf-gruppe.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
Tap targets are not sized appropriately
DE
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stf-gruppe.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 Stf-gruppe.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.
stf-gruppe.de
Open Graph description is not detected on the main page of STF Gruppe. 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: