Tools & Wizards About Us
laser-fiber.de screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

laser-fiber.de

AZ.pl strona domyślna

Page Load Speed

1.3 sec in total

First Response

453 ms

Resources Loaded

743 ms

Page Rendered

96 ms

laser-fiber.de screenshot

About Website

Click here to check amazing Laser Fiber content. Otherwise, check out these important facts you probably never knew about laser-fiber.de

Visit laser-fiber.de

Key Findings

We analyzed Laser-fiber.de page load time and found that the first response time was 453 ms and then it took 839 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

laser-fiber.de performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

laser-fiber.de

453 ms

swfobject_modified.js

137 ms

get_flash_player.gif

7 ms

ga.js

8 ms

tlo.png

151 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 50% of them (3 requests) were addressed to the original Laser-fiber.de, 33% (2 requests) were made to Google-analytics.com and 17% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (453 ms) belongs to the original domain Laser-fiber.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.9 kB (19%)

Content Size

25.1 kB

After Optimization

20.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Laser-fiber.de main page is 25.1 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. Only 5% of websites need less resources to load. Javascripts take 17.2 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 2.0 kB

  • Original 3.2 kB
  • After minification 2.6 kB
  • After compression 1.2 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. This page needs HTML code to be minified as it can gain 658 B, which is 20% 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 2.0 kB or 64% of the original size.

Image Optimization

-60%

Potential reduce by 2.8 kB

  • Original 4.7 kB
  • After minification 1.9 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. Obviously, Laser Fiber needs image optimization as it can save up to 2.8 kB or 60% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laser Fiber. According to our analytics all requests are already optimized.

Network Requests Diagram

laser-fiber.de

laser-fiber.de

453 ms

swfobject_modified.js

swfobject_modified.js

137 ms

get_flash_player.gif

get_flash_player.gif

7 ms

ga.js

ga.js

8 ms

tlo.png

tlo.png

151 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

laser-fiber.de accessibility score

83

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

laser-fiber.de best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

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

laser-fiber.de SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Laser-fiber.de can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Laser-fiber.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

laser-fiber.de

Open Graph description is not detected on the main page of Laser Fiber. 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: