Tools & Wizards About Us
ottoundkollegen.net screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

ottoundkollegen.net

Sachverständige für Immobilien und Wertgutachten

Page Load Speed

4.5 sec in total

First Response

336 ms

Resources Loaded

3.6 sec

Page Rendered

523 ms

ottoundkollegen.net screenshot

About Website

Click here to check amazing Otto Und Kollegen content. Otherwise, check out these important facts you probably never knew about ottoundkollegen.net

Was ist Ihre Immobilie wert? Wir sind die Sachverständigen aus Berlin mit 20 Jahren Erfahrung, Bestnoten und allen anspruchsvollsten Zertifizierungen.

Visit ottoundkollegen.net

Key Findings

We analyzed Ottoundkollegen.net page load time and found that the first response time was 336 ms and then it took 4.1 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

ottoundkollegen.net performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value2,220 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.268

46/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

ottoundkollegen.net

336 ms

ottoundkollegen.net

436 ms

www.ottoundkollegen.net

856 ms

gzip.php

220 ms

gzip.php

452 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 97% of them (66 requests) were addressed to the original Ottoundkollegen.net, 1% (1 request) were made to Recaptcha.net and 1% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ottoundkollegen.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.3 kB (6%)

Content Size

2.8 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ottoundkollegen.net main page is 2.8 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 56.0 kB

  • Original 73.0 kB
  • After minification 69.1 kB
  • After compression 16.9 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 56.0 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 97.8 kB

  • Original 2.3 MB
  • After minification 2.2 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. Otto Und Kollegen images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 7.9 kB

  • Original 367.4 kB
  • After minification 367.4 kB
  • After compression 359.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 530 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 6.3 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. Ottoundkollegen.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (35%)

Requests Now

63

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otto Und Kollegen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ottoundkollegen.net

ottoundkollegen.net

336 ms

ottoundkollegen.net

ottoundkollegen.net

436 ms

www.ottoundkollegen.net

www.ottoundkollegen.net

856 ms

gzip.php

gzip.php

220 ms

gzip.php

gzip.php

452 ms

style.css

style.css

328 ms

front.css

front.css

327 ms

responsive.css

responsive.css

328 ms

style.css

style.css

331 ms

cookieconsent.min.css

cookieconsent.min.css

339 ms

gzip.php

gzip.php

660 ms

gzip.php

gzip.php

553 ms

gzip.php

gzip.php

441 ms

gzip.php

gzip.php

443 ms

k2.frontend.js

k2.frontend.js

450 ms

gzip.php

gzip.php

561 ms

gzip.php

gzip.php

559 ms

btbase64.min.js

btbase64.min.js

564 ms

default.js

default.js

562 ms

script.js

script.js

698 ms

api.js

api.js

41 ms

script.js

script.js

698 ms

1571ee2d3b2fc4c83a496f4a35e0e53669fdabed1fb5854863159132d0f9b252.js

1571ee2d3b2fc4c83a496f4a35e0e53669fdabed1fb5854863159132d0f9b252.js

713 ms

cookieconsent.min.js

cookieconsent.min.js

700 ms

gzip.php

gzip.php

803 ms

easylocalgooglemaps.js

easylocalgooglemaps.js

666 ms

lightbox.js

lightbox.js

212 ms

mediaelement-and-player.js

mediaelement-and-player.js

213 ms

spotlight.js

spotlight.js

209 ms

recaptcha__en.js

recaptcha__en.js

27 ms

otto_kollegen_blau.svg

otto_kollegen_blau.svg

183 ms

Wir_schaetzen_immobilien.png

Wir_schaetzen_immobilien.png

182 ms

Header_Jahreswechsel_2018_2.jpg

Header_Jahreswechsel_2018_2.jpg

182 ms

Immobiliengutachter_Berlin.jpg

Immobiliengutachter_Berlin.jpg

337 ms

Fernsehturm.jpg

Fernsehturm.jpg

218 ms

Brandenburger-Tor.jpg

Brandenburger-Tor.jpg

534 ms

Immobiliensachversteandige-Berlin.jpg

Immobiliensachversteandige-Berlin.jpg

226 ms

Zertifizierung_Immobiliensachverstaendige_2022.png

Zertifizierung_Immobiliensachverstaendige_2022.png

224 ms

Immofm-logo.jpg

Immofm-logo.jpg

229 ms

Apple_Podcast.png

Apple_Podcast.png

328 ms

Google_podcasts.png

Google_podcasts.png

333 ms

Otto_Schloetter_Wolf_Immobiliengutachter.jpg

Otto_Schloetter_Wolf_Immobiliengutachter.jpg

337 ms

Logos_Referenzen.png

Logos_Referenzen.png

338 ms

Immobiliengutachter_Erfahrungen.jpg

Immobiliengutachter_Erfahrungen.jpg

650 ms

Rolf.jpg

Rolf.jpg

443 ms

Rechtsnwalt_Beital.jpg

Rechtsnwalt_Beital.jpg

450 ms

Jens.jpg

Jens.jpg

446 ms

Avatar.png

Avatar.png

448 ms

IMG_7179_PerfectlyClear.jpg

IMG_7179_PerfectlyClear.jpg

873 ms

IMG_7505.jpg

IMG_7505.jpg

770 ms

IMG_7493.jpg

IMG_7493.jpg

771 ms

IMG_7317.jpg

IMG_7317.jpg

786 ms

IMG_7542.jpg

IMG_7542.jpg

1067 ms

IMG_7427.jpg

IMG_7427.jpg

763 ms

Euro_Gutachten.png

Euro_Gutachten.png

875 ms

deutsche-bank-baufinanzierung.jpg

deutsche-bank-baufinanzierung.jpg

882 ms

commerzbank-logo.jpg

commerzbank-logo.jpg

881 ms

TAG_Immobilien_logo.jpg

TAG_Immobilien_logo.jpg

901 ms

Becker_Kries.jpg

Becker_Kries.jpg

983 ms

Degewo_Logo.jpg

Degewo_Logo.jpg

984 ms

bvg.jpg

bvg.jpg

990 ms

disabled.png

disabled.png

993 ms

Otto_Kollegen_Logo.png

Otto_Kollegen_Logo.png

972 ms

IcoMoon.woff

IcoMoon.woff

1038 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1048 ms

slideshow.js

slideshow.js

1005 ms

close.png

close.png

957 ms

blank.gif

blank.gif

957 ms

Accessibility Review

ottoundkollegen.net accessibility score

80

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

ottoundkollegen.net 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

ottoundkollegen.net SEO score

86

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

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

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ottoundkollegen.net 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 Ottoundkollegen.net 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

ottoundkollegen.net

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