Tools & Wizards About Us

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

sensorinstruments.de

Sensor Instruments: Farbsensoren, Lasersensoren, Optosensoren, Lichtschranken

Page Load Speed

3.6 sec in total

First Response

378 ms

Resources Loaded

3 sec

Page Rendered

130 ms

About Website

Visit sensorinstruments.de now to see the best up-to-date Sensor Instruments content and also check out these interesting facts you probably never knew about sensorinstruments.de

Sensorik und Sensoren wie Lichtschranken, Gabellichtschranken, Reflexsensoren, Schuppenstromzähler, Flügelradzähler, Farbsensoren, Lichtwellenleiter, Lumineszenzsensoren und Zeilensensoren.

Visit sensorinstruments.de

Key Findings

We analyzed Sensorinstruments.de page load time and found that the first response time was 378 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sensorinstruments.de performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

sensorinstruments.de

378 ms

sensorinstruments.de

579 ms

layout.css

280 ms

layout1.css

278 ms

jquery-1.6.2.min.js

465 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that all of those requests were addressed to Sensorinstruments.de and no external sources were called. The less responsive or slowest element that took the longest time to load (927 ms) belongs to the original domain Sensorinstruments.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 426.7 kB (5%)

Content Size

9.3 MB

After Optimization

8.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sensorinstruments.de main page is 9.3 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. 50% of websites need less resources to load. Images take 9.1 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 77.3 kB

  • Original 84.8 kB
  • After minification 58.9 kB
  • After compression 7.5 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 25.9 kB, which is 31% 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 77.3 kB or 91% of the original size.

Image Optimization

-3%

Potential reduce by 274.3 kB

  • Original 9.1 MB
  • After minification 8.8 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 Instruments images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 62.5 kB

  • Original 96.1 kB
  • After minification 95.2 kB
  • After compression 33.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 62.5 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 12.7 kB

  • Original 15.4 kB
  • After minification 11.9 kB
  • After compression 2.8 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. Sensorinstruments.de needs all CSS files to be minified and compressed as it can save up to 12.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (14%)

Requests Now

103

After Optimization

89

  • Images
  • JavaScript
  • CSS

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sensor Instruments. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sensorinstruments.de accessibility score

45

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sensorinstruments.de best practices score

67

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

SEO Factors

sensorinstruments.de SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

Open Graph description is not detected on the main page of Sensor Instruments. 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: