Tools & Wizards About Us
licht-optik.de screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

licht-optik.de

L&O GROUP

Page Load Speed

1.7 sec in total

First Response

362 ms

Resources Loaded

1.2 sec

Page Rendered

128 ms

licht-optik.de screenshot

About Website

Click here to check amazing Licht Optik content. Otherwise, check out these important facts you probably never knew about licht-optik.de

Company presentation, Licht and Optik Group

Visit licht-optik.de

Key Findings

We analyzed Licht-optik.de page load time and found that the first response time was 362 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

licht-optik.de performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value530 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

Network Requests Diagram

licht-optik.de

362 ms

styles.css

153 ms

jquery.min.js

17 ms

css

42 ms

analytics.js

31 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 65% of them (13 requests) were addressed to the original Licht-optik.de, 10% (2 requests) were made to Google-analytics.com and 10% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (523 ms) belongs to the original domain Licht-optik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.9 kB (3%)

Content Size

392.5 kB

After Optimization

380.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Licht-optik.de main page is 392.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 323.3 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 4.5 kB

  • Original 7.2 kB
  • After minification 6.8 kB
  • After compression 2.7 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 4.5 kB or 63% of the original size.

Image Optimization

-1%

Potential reduce by 1.8 kB

  • Original 323.3 kB
  • After minification 321.4 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. Licht Optik images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 54.6 kB
  • After minification 54.6 kB
  • After compression 54.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-75%

Potential reduce by 5.5 kB

  • Original 7.4 kB
  • After minification 5.0 kB
  • After compression 1.8 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. Licht-optik.de needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Licht Optik. According to our analytics all requests are already optimized.

Network Requests Diagram

licht-optik.de

licht-optik.de

362 ms

styles.css

styles.css

153 ms

jquery.min.js

jquery.min.js

17 ms

css

css

42 ms

analytics.js

analytics.js

31 ms

LO-1.jpg

LO-1.jpg

361 ms

down.png

down.png

213 ms

education.jpg

education.jpg

344 ms

street.jpg

street.jpg

348 ms

event.jpg

event.jpg

355 ms

office.jpg

office.jpg

353 ms

light1.jpg

light1.jpg

440 ms

light2.jpg

light2.jpg

521 ms

light3.jpg

light3.jpg

523 ms

light4.jpg

light4.jpg

500 ms

pe0sMIuPIYBCpEV5eFdCBfe6.ttf

pe0sMIuPIYBCpEV5eFdCBfe6.ttf

30 ms

pe0pMIuPIYBCpEV5eFdKvtKqBP5q.ttf

pe0pMIuPIYBCpEV5eFdKvtKqBP5q.ttf

33 ms

collect

collect

31 ms

js

js

74 ms

mobile.css

mobile.css

109 ms

Accessibility Review

licht-optik.de accessibility score

57

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

licht-optik.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

licht-optik.de SEO score

91

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Licht-optik.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Licht-optik.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.

Social Sharing Optimization

licht-optik.de

Open Graph description is not detected on the main page of Licht Optik. 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: