Tools & Wizards About Us
sfi-software.de screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

sfi-software.de

Willkommen beim Ingenieurbüro Lohmeyer | Lohmeyer GmbH

Page Load Speed

4.9 sec in total

First Response

330 ms

Resources Loaded

4.3 sec

Page Rendered

304 ms

sfi-software.de screenshot

About Website

Click here to check amazing Sfi Software content. Otherwise, check out these important facts you probably never knew about sfi-software.de

Die Arbeitsgebiete unseres Büros sind Luftreinhaltung (Luftschadstoffe), Klima, Aerodynamik / CFD, Umweltsoftware (Entwicklung und Vertrieb), Geographische Informationssysteme (GIS), Besonnung / Versc...

Visit sfi-software.de

Key Findings

We analyzed Sfi-software.de page load time and found that the first response time was 330 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sfi-software.de performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

www.lohmeyer.de

330 ms

www.lohmeyer.de

1445 ms

cookieconsent.min.js

198 ms

main.css

437 ms

jquery-1.11.1.js

665 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sfi-software.de, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Lohmeyer.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.3 kB (39%)

Content Size

526.5 kB

After Optimization

319.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sfi-software.de main page is 526.5 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. 25% of websites need less resources to load. Javascripts take 300.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 91.4 kB

  • Original 114.2 kB
  • After minification 104.1 kB
  • After compression 22.9 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 91.4 kB or 80% of the original size.

Image Optimization

-33%

Potential reduce by 18.1 kB

  • Original 55.0 kB
  • After minification 36.9 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. Obviously, Sfi Software needs image optimization as it can save up to 18.1 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-29%

Potential reduce by 86.6 kB

  • Original 300.4 kB
  • After minification 300.4 kB
  • After compression 213.9 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 86.6 kB or 29% of the original size.

CSS Optimization

-20%

Potential reduce by 11.3 kB

  • Original 56.8 kB
  • After minification 56.8 kB
  • After compression 45.5 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. Sfi-software.de needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (39%)

Requests Now

18

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sfi Software. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.lohmeyer.de

www.lohmeyer.de

330 ms

www.lohmeyer.de

www.lohmeyer.de

1445 ms

cookieconsent.min.js

cookieconsent.min.js

198 ms

main.css

main.css

437 ms

jquery-1.11.1.js

jquery-1.11.1.js

665 ms

form-builder-d.js

form-builder-d.js

340 ms

2ClickIframePrivacy.min.js

2ClickIframePrivacy.min.js

336 ms

main.js

main.js

724 ms

antispam.js

antispam.js

334 ms

analytics.js

analytics.js

104 ms

lohmeyerlogo-2.png

lohmeyerlogo-2.png

216 ms

luftreinhaltung_3x.130x130.png

luftreinhaltung_3x.130x130.png

244 ms

immissionsschutz_3x.130x130.png

immissionsschutz_3x.130x130.png

211 ms

klima_3x.130x130.png

klima_3x.130x130.png

245 ms

aerodynamik_3x.130x130.png

aerodynamik_3x.130x130.png

417 ms

messungen_3x.130x130.png

messungen_3x.130x130.png

417 ms

umweltsoftware_3x.130x130.png

umweltsoftware_3x.130x130.png

418 ms

OpenSans-Regular.woff

OpenSans-Regular.woff

460 ms

OpenSans-SemiBold.woff

OpenSans-SemiBold.woff

466 ms

OpenSans-Bold.woff

OpenSans-Bold.woff

394 ms

OpenSansCondensed-Bold.woff

OpenSansCondensed-Bold.woff

477 ms

collect

collect

13 ms

js

js

59 ms

print.css

print.css

125 ms

Accessibility Review

sfi-software.de accessibility score

93

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.

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

Links do not have a discernible name

Best Practices

sfi-software.de 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sfi-software.de SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sfi-software.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Sfi-software.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

sfi-software.de

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