2.8 sec in total
282 ms
1.9 sec
635 ms
Welcome to jenoptik.us homepage info - get ready to check Jenoptik best content for United States right away, or after learning these important things about jenoptik.us
The world is changing at light speed. We focus on optical technologies and use the potential of light to advance our customers in global markets!
Visit jenoptik.usWe analyzed Jenoptik.us page load time and found that the first response time was 282 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
jenoptik.us performance score
name
value
score
weighting
Value2.5 s
65/100
10%
Value3.6 s
62/100
25%
Value8.7 s
16/100
10%
Value1,820 ms
9/100
30%
Value0
100/100
15%
Value10.9 s
21/100
10%
282 ms
219 ms
26 ms
508 ms
20 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 73% of them (33 requests) were addressed to the original Jenoptik.us, 11% (5 requests) were made to C.delivery.consentmanager.net and 7% (3 requests) were made to Cdn.consentmanager.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Jenoptik.us.
Page size can be reduced by 1.3 MB (35%)
3.6 MB
2.3 MB
In fact, the total size of Jenoptik.us main page is 3.6 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 1.7 MB which makes up the majority of the site volume.
Potential reduce by 183.2 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 183.2 kB or 76% of the original size.
Potential reduce by 0 B
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. Jenoptik images are well optimized though.
Potential reduce by 1.1 MB
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 1.1 MB or 69% of the original size.
Potential reduce by 0 B
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. Jenoptik.us has all CSS files already compressed.
Number of requests can be reduced by 9 (22%)
41
32
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jenoptik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
jenoptik.us
282 ms
www.jenoptik.us
219 ms
0B00178AD81E5F95837FC51972518D68-jeno-website.css
26 ms
e.js
508 ms
65E08F532B42BB783036353E34EBFFC8-require.js
20 ms
cmp.php
431 ms
cmp_en.min.js
261 ms
bg-map.svg
165 ms
sliderimage.jpeg
43 ms
sliderimage.jpeg
618 ms
nachhaltigkeitsziele.jpg
575 ms
sliderimage.jpeg
771 ms
sliderimage.jpg
797 ms
adobestock-greenbutterfly---image-world.jpg
54 ms
heat-sink-diode-laser-package-ls.jpeg
65 ms
tobias-deubel.jpeg
143 ms
jenoptik%20moonraker_strasse_07.jpg
146 ms
fahnen-more-light.jpg
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fluorescence.jpg
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imagegridhorizontal.jpg
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mars-mission-rover.jpg
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imagegridhorizontal.jpg
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karriere-teaser.jpg
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produkte-grid.jpg
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investoren-grid.jpg
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maerkte-grid.jpg
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Track
769 ms
green.png
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lightblue.png
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purple-orange.png
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darkblue.png
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orange.png
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darkblue-purple.png
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FrutigerNextLTW06-Light.woff
845 ms
FrutigerNextLTW06-Regular.woff
1217 ms
jeno-html.js
644 ms
t.js
402 ms
cmp.php
412 ms
cmp.php
114 ms
cntcc
388 ms
bV8xLndfMjExNDIucl9DQ1BBLmxfZW4uZF8xNTA3OS54XzIudi5wLnRfMTUwNzkueHRfMg.js
13 ms
102 ms
cmplogo.svg
22 ms
168 ms
consent.php
272 ms
jenoptik.us 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.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
jenoptik.us 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
Missing source maps for large first-party JavaScript
jenoptik.us 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jenoptik.us can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Jenoptik.us 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.
jenoptik.us
Open Graph data is detected on the main page of Jenoptik. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: