3 sec in total
284 ms
2.4 sec
358 ms
Visit zwp.de now to see the best up-to-date ZWP content for Germany and also check out these interesting facts you probably never knew about zwp.de
Unsere erfahrenen Ingenieure entwickeln seit über 30 Jahren innovative, nachhaltige und auf die speziellen Anforderungen unserer Bauherren zugeschnittene Lösungen und zeigen effektive Wege zu einem um...
Visit zwp.deWe analyzed Zwp.de page load time and found that the first response time was 284 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
zwp.de performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value13.2 s
0/100
25%
Value8.9 s
15/100
10%
Value3,270 ms
2/100
30%
Value0.017
100/100
15%
Value11.6 s
18/100
10%
284 ms
444 ms
94 ms
183 ms
188 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that all of those requests were addressed to Zwp.de and no external sources were called. The less responsive or slowest element that took the longest time to load (738 ms) belongs to the original domain Zwp.de.
Page size can be reduced by 527.8 kB (45%)
1.2 MB
657.2 kB
In fact, the total size of Zwp.de main page is 1.2 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. 30% of websites need less resources to load. Images take 671.8 kB which makes up the majority of the site volume.
Potential reduce by 33.5 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 33.5 kB or 80% of the original size.
Potential reduce by 111.6 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. Obviously, ZWP needs image optimization as it can save up to 111.6 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 334.2 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 334.2 kB or 81% of the original size.
Potential reduce by 48.5 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. Zwp.de needs all CSS files to be minified and compressed as it can save up to 48.5 kB or 85% of the original size.
Number of requests can be reduced by 26 (39%)
66
40
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZWP. 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 10 to 1 for CSS and as a result speed up the page load time.
zwp.de
284 ms
www.zwp.de
444 ms
stylesheet_5b504dae34.css
94 ms
zwp.css
183 ms
multifile_compressed.js
188 ms
javascript_9ff553d212.js
188 ms
slightbox.css
188 ms
prototype-1.7.js
321 ms
scriptaculous.js
188 ms
lightbox-2.0.5.js
273 ms
imgslider.css
271 ms
jquery-1.4.2.js
477 ms
imgslider.js
271 ms
dotfly.js
271 ms
base.css
183 ms
basemod.css
183 ms
content.css
184 ms
print_draft.css
183 ms
color.css
229 ms
navigation.css
271 ms
effects.js
97 ms
builder.js
94 ms
logo-zwp-152x41.gif
94 ms
teaser-hbf-dresden-910x105.jpg
454 ms
bg_colors-top_1096x1.gif
97 ms
btn-search-small-white-18x18.gif
96 ms
bg_colors-middle_1096x1.gif
97 ms
blue-square-9x9.gif
99 ms
1a757342ed.jpg
183 ms
2028542667.jpg
184 ms
1c36f4cbbd.jpg
187 ms
cd18d87f2a.jpg
189 ms
f723ae2489.jpg
185 ms
ZWP_NAK_BZK_WEB_5320-bildleiste.jpg
363 ms
Gesundheitscampus-NRW-Bochum_bildleiste.jpg
364 ms
AUF-Universitaet-Rostock_45-bildleiste.jpg
365 ms
Senefelder-Str-44-48-Koeln_25-bildleiste.jpg
366 ms
Genius-Wohnanlage-Rodenkirchen_bildleiste.jpg
277 ms
Scherer-Feinbau-Alzenau_bildleiste.jpg
370 ms
VITOS-Klinik-Marburg-bildleiste.jpg
452 ms
HELIOS-Northeim_bildleiste.jpg
545 ms
Pflegeheim-Nauen_bildleiste.jpg
546 ms
LLZ-Hoersaal-bildergalerie.jpg
456 ms
hctm-hannover_bildlaufleiste.jpg
550 ms
32_Nato-Airbase-Teveren_bildleiste.jpg
539 ms
WMN_2_Preis_100x100.jpg
543 ms
Liget-Budapest_start.jpg
546 ms
lemken-start-01.jpg
630 ms
Santander_Mgl_start-01.jpg
724 ms
01_jlu_start.jpg
635 ms
hauptpost_nrnbrg_start.jpg
636 ms
Fraunhofer-ISC-start.jpg
637 ms
Fraunhofer-IZI_Leipzig-start.jpg
639 ms
ZWP_NAK_BZK_WEB_5320-start.jpg
722 ms
Theoretische-Physik-Uni-Koeln_02-start_01.jpg
727 ms
bettenhaus_st1_02.jpg
727 ms
Gesundheitscampus-NRW-Bochum_start.jpg
728 ms
piwik.js
715 ms
AUF-Universitaet-Rostock_45-start.jpg
733 ms
Senefelder-Str-44-48-Koeln_17-start.jpg
734 ms
Universitaetsklinikum-Knappschaftskrankenhaus-Bochum_start.jpg
738 ms
Genius-Wohnanlage-Rodenkirchen_start.jpg
735 ms
Scherer-Feinbau-Alzenau_55-start.jpg
738 ms
print_button.gif
651 ms
bg_colors-footer-1096x1.gif
730 ms
piwik.php
255 ms
loading.gif
163 ms
close.gif
164 ms
zwp.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-hidden="true"] elements contain focusable descendents
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
zwp.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
Page has valid source maps
zwp.de SEO score
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
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zwp.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Zwp.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.
zwp.de
Open Graph description is not detected on the main page of ZWP. 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: