Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

lacosys.com

LaCoSys GmbH - Laser Control Systems - Optoelectronics

Page Load Speed

4.6 sec in total

First Response

361 ms

Resources Loaded

4 sec

Page Rendered

317 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 361 ms and then it took 4.3 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

lacosys.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

lacosys.com

361 ms

lacosys.com

1723 ms

styles.css

211 ms

style.min.css

304 ms

style.min.css

303 ms

Our browser made a total of 62 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 (1.7 sec) belongs to the original domain Lacosys.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 511.8 kB (41%)

Content Size

1.3 MB

After Optimization

747.4 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 483.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 133.8 kB

  • Original 154.7 kB
  • After minification 149.0 kB
  • After compression 20.9 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 133.8 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 4.6 kB

  • Original 483.1 kB
  • After minification 478.5 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 280.6 kB

  • Original 402.6 kB
  • After minification 401.4 kB
  • After compression 122.0 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 280.6 kB or 70% of the original size.

CSS Optimization

-42%

Potential reduce by 92.8 kB

  • Original 218.8 kB
  • After minification 218.8 kB
  • After compression 126.0 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 92.8 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (76%)

Requests Now

54

After Optimization

13

The browser has sent 54 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 21 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

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: