Tools & Wizards About Us
oliver-bohleke-immobilien.de screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 37

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

oliver-bohleke-immobilien.de

Ihr Immobilienmakler in Köln | OliverBOHLEKE Immobilien

Page Load Speed

2.5 sec in total

First Response

359 ms

Resources Loaded

1.9 sec

Page Rendered

248 ms

oliver-bohleke-immobilien.de screenshot

About Website

Welcome to oliver-bohleke-immobilien.de homepage info - get ready to check OliverBOHLEKE Immobilien best content right away, or after learning these important things about oliver-bohleke-immobilien.de

Sie suchen Ihre Traumimmobilie in Köln und Umgebung? Wir sind Ihr Immobilienmakler! Rufen Sie uns an: Tel. 015115694949

Visit oliver-bohleke-immobilien.de

Key Findings

We analyzed Oliver-bohleke-immobilien.de page load time and found that the first response time was 359 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

oliver-bohleke-immobilien.de performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

Network Requests Diagram

oliver-bohleke-immobilien.de

359 ms

www.oliver-bohleke-immobilien.de

751 ms

md5.js

200 ms

WebLib.js

279 ms

ie.js

200 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that all of those requests were addressed to Oliver-bohleke-immobilien.de and no external sources were called. The less responsive or slowest element that took the longest time to load (751 ms) belongs to the original domain Oliver-bohleke-immobilien.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.3 kB (35%)

Content Size

249.3 kB

After Optimization

161.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Oliver-bohleke-immobilien.de main page is 249.3 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. 20% of websites need less resources to load. Images take 152.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 52.7 kB

  • Original 62.6 kB
  • After minification 58.9 kB
  • After compression 9.9 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 52.7 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 8.3 kB

  • Original 152.6 kB
  • After minification 144.3 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. OliverBOHLEKE Immobilien images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 27.3 kB

  • Original 34.2 kB
  • After minification 23.7 kB
  • After compression 6.8 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 27.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (44%)

Requests Now

43

After Optimization

24

  • Images
  • JavaScript

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OliverBOHLEKE Immobilien. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

oliver-bohleke-immobilien.de

oliver-bohleke-immobilien.de

359 ms

www.oliver-bohleke-immobilien.de

www.oliver-bohleke-immobilien.de

751 ms

md5.js

md5.js

200 ms

WebLib.js

WebLib.js

279 ms

ie.js

ie.js

200 ms

iefloat.js

iefloat.js

199 ms

content_bg.gif

content_bg.gif

180 ms

header_overlay.gif

header_overlay.gif

274 ms

standardlinks_icon.gif

standardlinks_icon.gif

189 ms

original_237443_.jpg

original_237443_.jpg

280 ms

original_220963_17e60a9a3663f05dbdcdc912763258cd56c6427ccc148.jpg

original_220963_17e60a9a3663f05dbdcdc912763258cd56c6427ccc148.jpg

374 ms

nav_leftshadow.jpg

nav_leftshadow.jpg

275 ms

nav1_active.png

nav1_active.png

274 ms

nav1_normal.png

nav1_normal.png

283 ms

nav_abschluss.png

nav_abschluss.png

366 ms

original_240036_.jpg

original_240036_.jpg

367 ms

spacer.gif

spacer.gif

370 ms

original_229992_.jpg

original_229992_.jpg

376 ms

original_229995_.jpg

original_229995_.jpg

376 ms

original_229996_.jpg

original_229996_.jpg

460 ms

original_229998_.jpg

original_229998_.jpg

460 ms

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original_229999_.jpg

464 ms

original_230000_.jpg

original_230000_.jpg

469 ms

main_boxtitle_bg.png

main_boxtitle_bg.png

470 ms

mainboxbottom_bg.png

mainboxbottom_bg.png

471 ms

original_6e7b8ec7522aa93f8b3ae2e29ccaa6a2_1458211038_widthX60_fest_heightX45_fest_.jpg

original_6e7b8ec7522aa93f8b3ae2e29ccaa6a2_1458211038_widthX60_fest_heightX45_fest_.jpg

551 ms

original_5478c6df8aae111d1ff7ed20b8db27d5_1458211040_widthX60_fest_heightX45_fest_.jpg

original_5478c6df8aae111d1ff7ed20b8db27d5_1458211040_widthX60_fest_heightX45_fest_.jpg

552 ms

original_6f720ddd0664b54b1e13e846ebea3a6d_1458211039_widthX60_fest_heightX45_fest_.jpg

original_6f720ddd0664b54b1e13e846ebea3a6d_1458211039_widthX60_fest_heightX45_fest_.jpg

558 ms

original_38fdc8065913e080ee9dee0187f5a61f_1458211039_widthX60_fest_heightX45_fest_.jpg

original_38fdc8065913e080ee9dee0187f5a61f_1458211039_widthX60_fest_heightX45_fest_.jpg

561 ms

original_be8570e71d6ab33b190ef0be98ad8006_1458211039_widthX60_fest_heightX45_fest_.jpg

original_be8570e71d6ab33b190ef0be98ad8006_1458211039_widthX60_fest_heightX45_fest_.jpg

562 ms

original_79a044b9677242c79da3a5c051f636d8_1458211038_widthX60_fest_heightX45_fest_.jpg

original_79a044b9677242c79da3a5c051f636d8_1458211038_widthX60_fest_heightX45_fest_.jpg

471 ms

original_c7bdc349cf0b0f11c9e0404640707793_1458211038_widthX60_fest_heightX45_fest_.jpg

original_c7bdc349cf0b0f11c9e0404640707793_1458211038_widthX60_fest_heightX45_fest_.jpg

552 ms

original_39a22c3b7d2f367deb0fd012b4f8f18c_1456209405_widthX60_fest_heightX45_fest_.jpg

original_39a22c3b7d2f367deb0fd012b4f8f18c_1456209405_widthX60_fest_heightX45_fest_.jpg

553 ms

dot2.gif

dot2.gif

561 ms

inhalttopline.gif

inhalttopline.gif

565 ms

abschicken.gif

abschicken.gif

564 ms

inhaltbottomline.gif

inhaltbottomline.gif

565 ms

original_237278_.jpg

original_237278_.jpg

645 ms

original_240039_.jpg

original_240039_.jpg

644 ms

rightbox_top.gif

rightbox_top.gif

655 ms

rightbox_shadow.png

rightbox_shadow.png

657 ms

right_title_bg.png

right_title_bg.png

580 ms

original_6f720ddd0664b54b1e13e846ebea3a6d_1458211039_widthX166_heightX135_.jpg

original_6f720ddd0664b54b1e13e846ebea3a6d_1458211039_widthX166_heightX135_.jpg

580 ms

right_boxbottom_bg.png

right_boxbottom_bg.png

647 ms

anzeigen.gif

anzeigen.gif

565 ms

footer_bg.jpg

footer_bg.jpg

578 ms

sitemap.gif

sitemap.gif

578 ms

Accessibility Review

oliver-bohleke-immobilien.de accessibility score

37

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-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

oliver-bohleke-immobilien.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

oliver-bohleke-immobilien.de SEO score

91

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oliver-bohleke-immobilien.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 Oliver-bohleke-immobilien.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

oliver-bohleke-immobilien.de

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