1.5 sec in total
73 ms
1.3 sec
175 ms
Click here to check amazing Lenntech content for Germany. Otherwise, check out these important facts you probably never knew about lenntech.de
Lenntech Wasseraufbereitung Home
Visit lenntech.deWe analyzed Lenntech.de page load time and found that the first response time was 73 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
lenntech.de performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value2.9 s
81/100
25%
Value7.4 s
28/100
10%
Value520 ms
56/100
30%
Value0
100/100
15%
Value14.4 s
9/100
10%
73 ms
108 ms
29 ms
34 ms
46 ms
Our browser made a total of 108 requests to load all elements on the main page. We found that 13% of them (14 requests) were addressed to the original Lenntech.de, 63% (68 requests) were made to Lenntech.com and 6% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (434 ms) relates to the external source Lenntech.com.
Page size can be reduced by 1.1 MB (24%)
4.8 MB
3.7 MB
In fact, the total size of Lenntech.de main page is 4.8 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. 85% 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 3.3 MB which makes up the majority of the site volume.
Potential reduce by 128.0 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 128.0 kB or 79% of the original size.
Potential reduce by 88.9 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. Lenntech images are well optimized though.
Potential reduce by 647.7 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 647.7 kB or 67% of the original size.
Potential reduce by 266.8 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. Lenntech.de needs all CSS files to be minified and compressed as it can save up to 266.8 kB or 87% of the original size.
Number of requests can be reduced by 26 (36%)
73
47
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lenntech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
lenntech.de
73 ms
www.lenntech.de
108 ms
css
29 ms
bootstrap.css
34 ms
lenntech.css
46 ms
logo_trans.png
300 ms
jquery-1.7.2.min.js
298 ms
bootstrap.min.js
294 ms
dependencies.js
318 ms
main.js
296 ms
Tracer.js
14 ms
in.js
15 ms
addthis_widget.js
20 ms
Lenntech_logo_blue.jpg
408 ms
en.gif
312 ms
LennRO-700000'.JPG
313 ms
DSC02370.JPG
313 ms
image002.jpg
412 ms
boiler4.png
410 ms
sea_water_desalination_small.jpg
407 ms
home_V5.jpg
412 ms
membrane_small.jpg
408 ms
Surface_water_small.jpg
412 ms
LennRO-L-serie.jpg
417 ms
chemicals_small.jpg
413 ms
tap_water_small.jpg
413 ms
softener_small.jpg
414 ms
home_V1.jpg
419 ms
measurement_small.jpg
415 ms
Irigation_small.jpg
416 ms
desinfection_small.jpg
418 ms
home_V2.jpg
420 ms
IX_Resin_small.jpg
422 ms
Waste_water_small.jpg
420 ms
ozonduplex.jpg
424 ms
filter_media_small.jpg
422 ms
solar-wind.jpg
425 ms
ie04_i.jpg
429 ms
cartidge_filter_small.jpg
426 ms
spx.jpg
429 ms
home_V4.jpg
432 ms
pumping.jpg
434 ms
floculation_OpenFlot2_GD2.gif
432 ms
sediment_small.jpg
434 ms
flaguk.gif
25 ms
deflag.gif
54 ms
esflag.gif
54 ms
frflag.gif
54 ms
itflag.gif
55 ms
nlflag.gif
55 ms
plflag.gif
56 ms
ptflag.gif
56 ms
flagsarab2.gif
56 ms
home_V3.jpg
152 ms
lennRO.jpg
153 ms
DSC02271.JPG
134 ms
ISO9001-A.jpg
190 ms
lennro-700000'.jpg
135 ms
dsc02370.jpg
136 ms
ISO4001-A.jpg
133 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
109 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
111 ms
Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf
119 ms
Jzo62I39jc0gQRrbndN6nfesZW2xOQ-xsNqO47m55DA.ttf
120 ms
d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf
114 ms
mnpfi9pxYH-Go5UiibESIqCWcynf_cDxXwCLxiixG1c.ttf
120 ms
ionicons.ttf
117 ms
OHSAS18001-A.jpg
235 ms
ga.js
80 ms
VCA2008-A.jpg
145 ms
image002.jpg
73 ms
home_V5.jpg
72 ms
LennRO-L-serie.jpg
75 ms
home_V1.jpg
74 ms
home_V2.jpg
73 ms
ozonduplex.jpg
69 ms
solar-wind.jpg
69 ms
ie04_i.jpg
66 ms
spx.jpg
68 ms
home_V4.jpg
110 ms
floculation_OpenFlot2_GD2.gif
110 ms
pumping.jpg
110 ms
home_V3.jpg
106 ms
dsc02271.jpg
112 ms
Lennro.jpg
115 ms
lennro-700000'.jpg
112 ms
ISO14001-A.jpg
234 ms
dsc02370.jpg
110 ms
solarwind.jpg
63 ms
SPX.jpg
58 ms
__utm.gif
116 ms
p
116 ms
dJtpwkpJyr3Q9Yacn9QLBk.js
108 ms
secureAnonymousFramework
113 ms
dsc02271.jpg
117 ms
LennRO-700000'.JPG
113 ms
collect
71 ms
DSC02271.JPG
33 ms
xdrpc.html
20 ms
v2
51 ms
followcompany
48 ms
dpx
16 ms
logo_linkedin_122x28.png
79 ms
xrefid.xgi
5 ms
52154.gif
5 ms
300lo.json
34 ms
sh.7c7179124ea24ac6ba46caac.html
52 ms
layers.3643cb2e25fb91c29386.js
36 ms
lenntech.de accessibility score
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
Image elements do not have [alt] attributes
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
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.
lenntech.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
lenntech.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
Tap targets are not sized appropriately
DE
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lenntech.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 Lenntech.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.
lenntech.de
Open Graph description is not detected on the main page of Lenntech. 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: