Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

staefa.com

Building technology - Products & Services - Siemens Global Website

Page Load Speed

1.5 sec in total

First Response

85 ms

Resources Loaded

1.3 sec

Page Rendered

75 ms

About Website

Welcome to staefa.com homepage info - get ready to check Staefa best content right away, or after learning these important things about staefa.com

As trusted advisor, reliable partner, system integrator, and product vendor, Siemens offers energy-efficient, safe and secure buildings and infrastructure.

Visit staefa.com

Key Findings

We analyzed Staefa.com page load time and found that the first response time was 85 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

staefa.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value7,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.6 s

1/100

10%

Network Requests Diagram

buildings.html

85 ms

StepCarousel.5716a7eb.css

32 ms

SearchInputfield.5a7a0021.css

109 ms

ResponsiveLayout.78c741a0.css

102 ms

Scroller.46993a0b.css

75 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Staefa.com, 9% (2 requests) were made to W3.siemens.com and 5% (1 request) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (203 ms) relates to the external source W3.siemens.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 112.5 kB (35%)

Content Size

322.4 kB

After Optimization

209.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Staefa.com main page is 322.4 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. 30% of websites need less resources to load. Javascripts take 257.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 34.6 kB

  • Original 43.3 kB
  • After minification 42.5 kB
  • After compression 8.7 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 34.6 kB or 80% of the original size.

JavaScript Optimization

-30%

Potential reduce by 77.4 kB

  • Original 257.3 kB
  • After minification 257.3 kB
  • After compression 179.9 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 77.4 kB or 30% of the original size.

CSS Optimization

-3%

Potential reduce by 564 B

  • Original 21.8 kB
  • After minification 21.8 kB
  • After compression 21.2 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. Staefa.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (48%)

Requests Now

21

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Staefa. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

staefa.com accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

staefa.com best practices score

83

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

Browser errors were logged to the console

SEO Factors

staefa.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 Staefa.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 Staefa.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 Staefa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: