9.5 sec in total
469 ms
8.7 sec
290 ms
Visit rollo-semer.de now to see the best up-to-date Rollo Semer content and also check out these interesting facts you probably never knew about rollo-semer.de
Ihr Sonnenschutzexperte mit der größten Auswahl an Plissees, Rollos, Lamellen, Jalousien, Markisen, Rollladen, Rolltore, Außenjalousien und Außenraffstores.
Visit rollo-semer.deWe analyzed Rollo-semer.de page load time and found that the first response time was 469 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
rollo-semer.de performance score
name
value
score
weighting
Value2.2 s
76/100
10%
Value5.6 s
18/100
25%
Value3.8 s
84/100
10%
Value320 ms
76/100
30%
Value0
100/100
15%
Value6.4 s
59/100
10%
469 ms
445 ms
391 ms
1196 ms
1545 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Rollo-semer.de, 68% (44 requests) were made to Sundiscount.eu and 14% (9 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.8 sec) relates to the external source Sundiscount.eu.
Page size can be reduced by 561.2 kB (40%)
1.4 MB
843.9 kB
In fact, the total size of Rollo-semer.de main page is 1.4 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. 45% of websites need less resources to load. Images take 642.2 kB which makes up the majority of the site volume.
Potential reduce by 61.4 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 61.4 kB or 81% of the original size.
Potential reduce by 2.5 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. Rollo Semer images are well optimized though.
Potential reduce by 382.8 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 382.8 kB or 70% of the original size.
Potential reduce by 114.6 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. Rollo-semer.de needs all CSS files to be minified and compressed as it can save up to 114.6 kB or 80% of the original size.
Number of requests can be reduced by 23 (40%)
57
34
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rollo Semer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
rollo-semer.de
469 ms
www.rollo-semer.de
445 ms
www.sundiscount.eu
391 ms
www.sundiscount.eu
1196 ms
main-new.min.css
1545 ms
sundiscount.min.css
644 ms
overview.min.css
576 ms
jquery-ui.min.css
446 ms
thickbox.min.css
458 ms
jquery.bxslider.css
873 ms
jquery-1.6.3.min.js
1171 ms
jquery-ui-1.10.3.custom-cmm.min.js
2458 ms
jquery.hoverIntent.minified.js
937 ms
main.min.js
1302 ms
ajax.min.js
1351 ms
jqGalViewII.pack.js
1380 ms
thickbox.min.js
1662 ms
jquery.tooltip.manko.min.js
1759 ms
jquery.bxslider.min.js
1794 ms
conversion.js
44 ms
ga.js
94 ms
sundiscount_logo.png
414 ms
header_sprite.png
429 ms
megamenu_bg.gif
685 ms
kostenlose-stoffmuster.jpg
1345 ms
plissees.jpg
1455 ms
lamellen.jpg
1649 ms
rollos.jpg
2648 ms
jalousien.jpg
3070 ms
markisen.jpg
3074 ms
plissee.jpg
1942 ms
lamellen.jpg
2037 ms
rollo.jpg
2236 ms
jalousie.jpg
2526 ms
markise.jpg
2784 ms
insektenschutz.jpg
2986 ms
rollladen.jpg
3245 ms
aussenjalousie.jpg
3393 ms
aussenrollos.jpg
3558 ms
standard-produkte.jpg
3776 ms
pt.gif
3514 ms
payment_options.png
4759 ms
social_media.png
3695 ms
flags_sprites.png
3763 ms
glyphicons-halflings-regular.woff
4261 ms
__utm.gif
12 ms
cse.js
51 ms
47 ms
3KGHKVHR9SFACE7.js
439 ms
XE31E089D624E0A8C40AC76EA7A5B0F7B.js
60 ms
bx_loader.gif
3090 ms
loadingAnimation.gif
3055 ms
controls.png
3103 ms
cse.js
91 ms
22 ms
jsapi
16 ms
default+de.css
3 ms
shiny.css
49 ms
default+de.I.js
18 ms
shiny.css
57 ms
async-ads.js
66 ms
google_custom_search_watermark.gif
57 ms
small-logo.png
39 ms
nav_logo114.png
38 ms
3KGHKVHR9SFACE7-70x70.png
81 ms
rollo-semer.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
rollo-semer.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
Page has valid source maps
rollo-semer.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
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rollo-semer.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 Rollo-semer.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
rollo-semer.de
Open Graph description is not detected on the main page of Rollo Semer. 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: