Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

lacosys.com

LaCoSys GmbH - Laser Control Systems - Optoelectronics

Page Load Speed

5.6 sec in total

First Response

329 ms

Resources Loaded

4.9 sec

Page Rendered

390 ms

lacosys.com screenshot

About Website

Visit lacosys.com now to see the best up-to-date La Co Sys content and also check out these interesting facts you probably never knew about lacosys.com

LaCoSys develops and produces innovative optoelectronics such as controls, measurement technology, sensors and power supplies for lasers.

Visit lacosys.com

Key Findings

We analyzed Lacosys.com page load time and found that the first response time was 329 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

lacosys.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

lacosys.com

329 ms

lacosys.com

2334 ms

styles.css

262 ms

style.min.css

387 ms

style.min.css

386 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that all of those requests were addressed to Lacosys.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Lacosys.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 603.6 kB (46%)

Content Size

1.3 MB

After Optimization

702.9 kB

In fact, the total size of Lacosys.com main page is 1.3 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 431.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 135.8 kB

  • Original 157.1 kB
  • After minification 151.4 kB
  • After compression 21.3 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 135.8 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 4.6 kB

  • Original 431.8 kB
  • After minification 427.2 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. La Co Sys images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 278.7 kB

  • Original 395.6 kB
  • After minification 394.3 kB
  • After compression 116.9 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 278.7 kB or 70% of the original size.

CSS Optimization

-57%

Potential reduce by 184.5 kB

  • Original 322.0 kB
  • After minification 321.8 kB
  • After compression 137.6 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. Lacosys.com needs all CSS files to be minified and compressed as it can save up to 184.5 kB or 57% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (75%)

Requests Now

52

After Optimization

13

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of La Co Sys. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lacosys.com accessibility score

97

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.

Best Practices

lacosys.com best practices score

92

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

Page has valid source maps

SEO Factors

lacosys.com SEO score

100

Search Engine Optimization Advices

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 Lacosys.com 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 Lacosys.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.

Social Sharing Optimization

Open Graph data is detected on the main page of La Co Sys. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: