Tools & Wizards About Us
jenoptik.us screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jenoptik.us

Technology Partner for Optics, Photonics and Optoelectronics | Jenoptik USA

Page Load Speed

4.4 sec in total

First Response

287 ms

Resources Loaded

3.7 sec

Page Rendered

449 ms

jenoptik.us screenshot

About Website

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.us

Key Findings

We analyzed Jenoptik.us page load time and found that the first response time was 287 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

jenoptik.us performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

jenoptik.us

287 ms

www.jenoptik.us

2008 ms

A8411E4A6189547C99A205DAB8918971-jeno-website.css

27 ms

e.js

540 ms

cmp.php

430 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 77% of them (34 requests) were addressed to the original Jenoptik.us, 7% (3 requests) were made to Cdn.consentmanager.net and 7% (3 requests) were made to C.delivery.consentmanager.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Jenoptik.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (43%)

Content Size

4.6 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jenoptik.us main page is 4.6 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. 70% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 189.2 kB

  • Original 247.2 kB
  • After minification 231.4 kB
  • After compression 58.0 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 189.2 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.0 MB
  • After minification 2.0 MB

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.

JavaScript Optimization

-69%

Potential reduce by 1.1 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 492.5 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 1.1 MB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 711.9 kB

  • Original 820.1 kB
  • After minification 815.6 kB
  • After compression 108.2 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. Jenoptik.us needs all CSS files to be minified and compressed as it can save up to 711.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

40

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 40 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jenoptik.us

jenoptik.us

287 ms

www.jenoptik.us

www.jenoptik.us

2008 ms

A8411E4A6189547C99A205DAB8918971-jeno-website.css

A8411E4A6189547C99A205DAB8918971-jeno-website.css

27 ms

e.js

e.js

540 ms

cmp.php

cmp.php

430 ms

cmp_en.min.js

cmp_en.min.js

782 ms

bg-map.svg

bg-map.svg

59 ms

sliderimage.jpeg

sliderimage.jpeg

11 ms

aktie-share-green-financing.jpg

aktie-share-green-financing.jpg

14 ms

sliderimage-.jpeg

sliderimage-.jpeg

16 ms

wafer-ufo-probecard.jpg

wafer-ufo-probecard.jpg

20 ms

2024-05-desden-cooling-machine.jpeg

2024-05-desden-cooling-machine.jpeg

41 ms

sliderimage.jpg

sliderimage.jpg

39 ms

FrutigerNextLTW06-Light.woff

FrutigerNextLTW06-Light.woff

20 ms

FrutigerNextLTW06-Regular.woff

FrutigerNextLTW06-Regular.woff

41 ms

78BA6B0A925CCA3856B4F7F59F3AB6E2-require.js

78BA6B0A925CCA3856B4F7F59F3AB6E2-require.js

77 ms

adobestock-greenbutterfly---image-world.jpg

adobestock-greenbutterfly---image-world.jpg

33 ms

trailer-blue-prince-georges-county-usa.jpeg

trailer-blue-prince-georges-county-usa.jpeg

30 ms

q2.jpg

q2.jpg

29 ms

textimage.jpg

textimage.jpg

34 ms

traffipole-kuwait.jpeg

traffipole-kuwait.jpeg

31 ms

fluorescence.jpg

fluorescence.jpg

33 ms

imagegridhorizontal.jpg

imagegridhorizontal.jpg

32 ms

mars-mission-rover.jpg

mars-mission-rover.jpg

35 ms

imagegridhorizontal.jpg

imagegridhorizontal.jpg

34 ms

karriere-teaser.jpg

karriere-teaser.jpg

38 ms

produkte-grid.jpg

produkte-grid.jpg

37 ms

investoren-grid.jpg

investoren-grid.jpg

34 ms

maerkte-grid.jpg

maerkte-grid.jpg

35 ms

Track

Track

640 ms

green.png

green.png

39 ms

lightblue.png

lightblue.png

38 ms

purple-orange.png

purple-orange.png

41 ms

darkblue.png

darkblue.png

71 ms

orange.png

orange.png

39 ms

darkblue-purple.png

darkblue-purple.png

72 ms

jeno-html.js

jeno-html.js

16 ms

bV8xLndfMjExNDIucl9DQ1BBLmxfZW4uZF8xNTA3OS54XzIudi5wLnRfMTUwNzkueHRfMjI.js

bV8xLndfMjExNDIucl9DQ1BBLmxfZW4uZF8xNTA3OS54XzIudi5wLnRfMTUwNzkueHRfMjI.js

432 ms

t.js

t.js

428 ms

406 ms

cmplogo.svg

cmplogo.svg

96 ms

416 ms

consent.php

consent.php

417 ms

cntcc

cntcc

504 ms

Accessibility Review

jenoptik.us accessibility score

90

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

jenoptik.us best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jenoptik.us SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    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.

Social Sharing Optimization

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: