Tools & Wizards About Us
sensorline.de screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

sensorline.de

Sensor Line | fiber optic sensor technology in traffic systems

Page Load Speed

2.7 sec in total

First Response

255 ms

Resources Loaded

2.1 sec

Page Rendered

292 ms

sensorline.de screenshot

About Website

Click here to check amazing Sensor Line content. Otherwise, check out these important facts you probably never knew about sensorline.de

Fiber-optic Sensors for a wide variety of Applications. From Road Traffic Control to Rail Traffic detection, our Sensortechnology with no mechanical parts brings you the cheapest permanent sensor inst...

Visit sensorline.de

Key Findings

We analyzed Sensorline.de page load time and found that the first response time was 255 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sensorline.de performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.245

51/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

sensorline.de

255 ms

sensorline.de

584 ms

slick.css

111 ms

slick-theme.css

221 ms

simple-lightbox.css

322 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 89% of them (24 requests) were addressed to the original Sensorline.de, 7% (2 requests) were made to Fast.fonts.net and 4% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (814 ms) belongs to the original domain Sensorline.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.9 kB (1%)

Content Size

2.6 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sensorline.de main page is 2.6 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. 25% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 14.4 kB

  • Original 19.0 kB
  • After minification 18.9 kB
  • After compression 4.6 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 14.4 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 467 B

  • Original 2.5 MB
  • After minification 2.5 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. Sensor Line images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 5.6 kB

  • Original 25.6 kB
  • After minification 25.6 kB
  • After compression 20.0 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 5.6 kB or 22% of the original size.

CSS Optimization

-33%

Potential reduce by 5.4 kB

  • Original 16.4 kB
  • After minification 16.4 kB
  • After compression 11.0 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. Sensorline.de needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (36%)

Requests Now

25

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sensor Line. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sensorline.de

sensorline.de

255 ms

sensorline.de

sensorline.de

584 ms

slick.css

slick.css

111 ms

slick-theme.css

slick-theme.css

221 ms

simple-lightbox.css

simple-lightbox.css

322 ms

leaflet.css

leaflet.css

322 ms

sensorline.1722254798.css

sensorline.1722254798.css

335 ms

a9e9c730-e155-4691-8b53-6e3010e6c348.js

a9e9c730-e155-4691-8b53-6e3010e6c348.js

96 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

17 ms

slick.min.js

slick.min.js

341 ms

simple-lightbox.js

simple-lightbox.js

343 ms

jquery.freetile.min.js

jquery.freetile.min.js

337 ms

main.js

main.js

427 ms

fonts.css

fonts.css

109 ms

mt.js

mt.js

77 ms

logo.svg

logo.svg

126 ms

ird-member.svg

ird-member.svg

123 ms

sens_landing_01.jpg

sens_landing_01.jpg

734 ms

sens_landing_02.jpg

sens_landing_02.jpg

711 ms

sens_railtrafficcounting_01.jpg

sens_railtrafficcounting_01.jpg

754 ms

sens_landing_04.jpg

sens_landing_04.jpg

622 ms

sens_25-years.svg

sens_25-years.svg

270 ms

teaser-roadtraffic.jpg

teaser-roadtraffic.jpg

600 ms

teaser-railtraffic.jpg

teaser-railtraffic.jpg

814 ms

contact-icon.svg

contact-icon.svg

709 ms

qh_logo_horizontal_small.png

qh_logo_horizontal_small.png

735 ms

ajax-loader.gif

ajax-loader.gif

713 ms

Accessibility Review

sensorline.de accessibility score

84

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

sensorline.de best practices score

75

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

High

Browser errors were logged to the console

SEO Factors

sensorline.de SEO score

82

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Sensorline.de 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 Sensorline.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

sensorline.de

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