6.8 sec in total
364 ms
6.2 sec
217 ms
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Visit rofin.comWe analyzed Rofin.com page load time and found that the first response time was 364 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
rofin.com performance score
name
value
score
weighting
Value1.8 s
88/100
10%
Value16.1 s
0/100
25%
Value12.6 s
3/100
10%
Value3,690 ms
1/100
30%
Value0
100/100
15%
Value23.6 s
1/100
10%
364 ms
1522 ms
343 ms
339 ms
342 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 89% of them (47 requests) were addressed to the original Rofin.com, 4% (2 requests) were made to Code.jquery.com and 4% (2 requests) were made to Etracker.de. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Rofin.com.
Page size can be reduced by 447.0 kB (38%)
1.2 MB
727.7 kB
In fact, the total size of Rofin.com 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 674.6 kB which makes up the majority of the site volume.
Potential reduce by 61.9 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 9.2 kB, which is 12% 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 61.9 kB or 84% of the original size.
Potential reduce by 27.1 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. Rofin images are well optimized though.
Potential reduce by 243.7 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 243.7 kB or 84% of the original size.
Potential reduce by 114.4 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. Rofin.com needs all CSS files to be minified and compressed as it can save up to 114.4 kB or 85% of the original size.
Number of requests can be reduced by 30 (61%)
49
19
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rofin. 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.
rofin.com
364 ms
www.rofin.com
1522 ms
stylesheet_e443601f41.css
343 ms
events.css
339 ms
form.css
342 ms
diu_contentelements.css
340 ms
selectboxes.css
336 ms
glossar.css
338 ms
jquery-1.9.1.js
1214 ms
jquery-ui.min.js
77 ms
javascript_9a38f34785.js
661 ms
rofin_style.css
776 ms
functions.js
661 ms
slightbox.css
667 ms
slimbox.2.0.4.yui.js
673 ms
jquery-ui.css
25 ms
events.js
987 ms
ajax.js
991 ms
ajax.js
993 ms
hintergrund_verlauf.png
115 ms
t.js
709 ms
menu1_produkte.png
750 ms
Applications_197x513.png
882 ms
menu3_maerkte_01.png
780 ms
menu_service.png
668 ms
menu_company_197x220.png
773 ms
IR_Navibild_197x427.png
671 ms
menu_presse_197x205.png
1448 ms
menu_infocenter_197x135.png
1338 ms
transparent_print.png
1081 ms
home-button.png
1100 ms
transparent_social_youtube.png
1114 ms
transparent_social_twitter.png
1206 ms
transparent_social_facebook.png
1414 ms
transparent_white-newsletter.png
1418 ms
transparent_white-arrow_rechts.png
1441 ms
transparent_contact.png
1532 ms
transparent_weltweit_ot.png
1770 ms
IR_Landing_Page_Banner_262px_EN.jpg
1852 ms
TUBE_Landing_Page_Banner_262px_EN.jpg
1857 ms
header_neu_01.jpg
2362 ms
header_neu_02.jpg
2219 ms
header_neu_03.jpg
2288 ms
furtherpress.png
2102 ms
cnt_js.php
664 ms
cnt_js.php
672 ms
shadow_verlauf.png
1567 ms
head_keinbild.jpg
1572 ms
flagge_de.png
1817 ms
suche_submit.png
1890 ms
Arial-Light.otf
2347 ms
ui-bg_flat_75_ffffff_40x100.png
2 ms
futul___-webfont.woff
2088 ms
rofin.com 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.
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
rofin.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
rofin.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rofin.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Rofin.com 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.
rofin.com
Open Graph description is not detected on the main page of Rofin. 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: