4.6 sec in total
319 ms
3.9 sec
342 ms
Click here to check amazing Itzala content. Otherwise, check out these important facts you probably never knew about itzala.de
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Visit itzala.deWe analyzed Itzala.de page load time and found that the first response time was 319 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
itzala.de performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value8.2 s
2/100
25%
Value15.6 s
0/100
10%
Value31,360 ms
0/100
30%
Value0.304
39/100
15%
Value43.1 s
0/100
10%
319 ms
1306 ms
207 ms
351 ms
475 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Itzala.de, 73% (40 requests) were made to Dachfenster-rollo-shop.de and 9% (5 requests) were made to Themes.googleusercontent.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Dachfenster-rollo-shop.de.
Page size can be reduced by 683.4 kB (46%)
1.5 MB
794.3 kB
In fact, the total size of Itzala.de main page is 1.5 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 634.8 kB which makes up the majority of the site volume.
Potential reduce by 117.6 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. 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 117.6 kB or 82% of the original size.
Potential reduce by 71.2 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, Itzala needs image optimization as it can save up to 71.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 360.8 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 360.8 kB or 66% of the original size.
Potential reduce by 133.9 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. Itzala.de needs all CSS files to be minified and compressed as it can save up to 133.9 kB or 90% of the original size.
Number of requests can be reduced by 11 (24%)
46
35
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itzala. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
www.itzala.de
319 ms
www.dachfenster-rollo-shop.de
1306 ms
screen.css
207 ms
jquery-1.10.2.min.js
351 ms
script.js
475 ms
conversion.js
32 ms
mastercard.png
138 ms
visa.png
139 ms
visa%20electron.png
150 ms
paypal.png
150 ms
service-chevron.png
213 ms
itzala-sprite.png
555 ms
chevron-down.png
249 ms
velux%20blackout%20k15%20large%20290x381.jpg
566 ms
product%20logo%20velux%20small.jpg
309 ms
velux%20awning%20large.jpg
440 ms
velux%20energy%20large.jpg
414 ms
velux%20duo%20large.jpg
563 ms
velux%20insectnet%20large.jpg
570 ms
velux%20pleated%20large.jpg
537 ms
velux%20roller%20large.jpg
539 ms
velux%20venetian%20large.jpg
645 ms
itzala%20awning%20large.jpg
666 ms
product%20logo%20itzala%20small.png
668 ms
itzala%20blackout%20large.jpg
694 ms
itzala%20roller%20large.jpg
702 ms
itzala%20venetian%20large.jpg
688 ms
velux%20blackout.jpg
833 ms
itzala%20blinds.jpg
791 ms
velux_accessories.jpg
791 ms
icon-tick.png
781 ms
service-chevron-white.png
785 ms
itzala%20awning%20medium.jpg
823 ms
product%20logo%20itzala.png
907 ms
itzala%20blackout%20medium.jpg
895 ms
itzala%20roller%20medium.jpg
888 ms
itzala%20venetian%20medium.jpg
916 ms
energy.jpg
935 ms
content-block-arrow.png
922 ms
rod_231x130.jpg
985 ms
guide.jpg
997 ms
gtm.js
139 ms
siteanalyze_1908684.js
953 ms
108 ms
cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff
80 ms
k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff
99 ms
EInbV5DfGHOiMmvb1Xr-hnhCUOGz7vYGh680lGh-uXM.woff
130 ms
xjAJXh38I15wypJXxuGMBobN6UDyHWBl620a-IRfuBk.woff
129 ms
MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff
107 ms
75 ms
78 ms
75 ms
analytics.js
35 ms
collect
14 ms
print.css
99 ms
itzala.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.
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
itzala.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
itzala.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
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 Itzala.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 Itzala.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.
itzala.de
Open Graph description is not detected on the main page of Itzala. 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: