Access otto.at. Herzlich Willkommen bei OTTO Immobilien! Wir finden Ihre Traumimmobilie.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value7.2 s

29/100

10%

TBT (Total Blocking Time)

Value2,260 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

otto.at

349 ms

www.otto.at

564 ms

387 ms

vendor.css

189 ms

app.css

299 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 94% of them (74 requests) were addressed to the original Otto.at, 1% (1 request) were made to Google.com and 1% (1 request) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Otto.at.

Content Size

3.5 MB

After Optimization

3.1 MB

In fact, the total size of Otto.at main page is 3.5 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. 55% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 28.7 kB

Original 47.2 kB
After minification 45.2 kB
After compression 18.5 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. 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 28.7 kB or 61% of the original size.

Image Optimization

-3%

Potential reduce by 89.5 kB

Original 2.7 MB
After minification 2.6 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 images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 252.9 kB

Original 687.7 kB
After minification 687.7 kB
After compression 434.8 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 252.9 kB or 37% of the original size.

CSS Optimization

-34%

Potential reduce by 22.1 kB

Original 65.2 kB
After minification 65.2 kB
After compression 43.1 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. Otto.at needs all CSS files to be minified and compressed as it can save up to 22.1 kB or 34% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OTTO. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Otto.at 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 Otto.at 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

otto.at

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Herzlich Willkommen bei OTTO Immobilien! Wir finden Ihre Traumimmobilie.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

otto.at

www.otto.at

vendor.css

app.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

otto.at

www.otto.at

vendor.css

app.css

GetResource.ashx

api.js

GetResource.ashx

WebResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

js

vendor.js

app.js

recaptcha__en.js

gtm.js

otto-immobilien-logo.png

close-button-dark.png

envelope-red.png

residential.svg.aspx

diamond-dark.svg.aspx

office.svg.aspx

commercial.svg.aspx

industry-logistics.svg.aspx

tenant-investment.svg.aspx

arrow-left_white-big.png

Kachel_DE.jpg.aspx

Kachel_DE2.jpg.aspx

Kachel_DE3.jpg.aspx

Kachel_DE4.jpg.aspx

Kachel_DE5.jpg.aspx

Kachel_DE6.jpg.aspx

2021_Banner-PrimeWebsite_aufOTTOat_1196x400_DE.jpg.aspx

Wienvonoben_Stephansdom.jpg.aspx

1_Blog.jpg.aspx

facebook.png.aspx

instagram.jpg.aspx

youtube.png.aspx

linkedin.png.aspx