Tools & Wizards About Us

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

bonn.e-rent.de

Wohnung Bonn: die möblierte Wohnung auf Zeit in Bonn.

Page Load Speed

2.2 sec in total

First Response

578 ms

Resources Loaded

1.5 sec

Page Rendered

147 ms

About Website

Click here to check amazing Bonn E Rent content for Germany. Otherwise, check out these important facts you probably never knew about bonn.e-rent.de

Die möblierte Wohnung auf Zeit in Bonn. E-rent: der Maßstab für Wohnen auf Zeit im Rheinland. Möbliertes Wohnen in 4 Angebotssprachen, Präsentation mit Wohnungsmovies und Panoramatechnik, Wohnungssuch...

Visit bonn.e-rent.de

Key Findings

We analyzed Bonn.e-rent.de page load time and found that the first response time was 578 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

bonn.e-rent.de performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.07

96/100

15%

TTI (Time to Interactive)

Value7.0 s

52/100

10%

Network Requests Diagram

bonn.e-rent.de

578 ms

V2_css_one.css

401 ms

halbcover.css

325 ms

V2_css.js

302 ms

swfobject_2.1.js

404 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 51% of them (26 requests) were addressed to the original Bonn.e-rent.de, 25% (13 requests) were made to E-rent.de and 12% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (662 ms) belongs to the original domain Bonn.e-rent.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.4 kB (7%)

Content Size

739.7 kB

After Optimization

687.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bonn.e-rent.de main page is 739.7 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. 40% of websites need less resources to load. Images take 532.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 15.9 kB

  • Original 21.2 kB
  • After minification 18.9 kB
  • After compression 5.3 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 2.4 kB, which is 11% 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 15.9 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 7.9 kB

  • Original 532.0 kB
  • After minification 524.1 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. Bonn E Rent images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 10.5 kB

  • Original 164.4 kB
  • After minification 162.8 kB
  • After compression 153.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-82%

Potential reduce by 18.1 kB

  • Original 22.0 kB
  • After minification 15.7 kB
  • After compression 3.9 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. Bonn.e-rent.de needs all CSS files to be minified and compressed as it can save up to 18.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (29%)

Requests Now

48

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bonn E Rent. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bonn.e-rent.de accessibility score

69

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

bonn.e-rent.de best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bonn.e-rent.de SEO score

62

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bonn.e-rent.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 Bonn.e-rent.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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