Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

dahler.de

DAHLER & COMPANY | Ihr Immobilienmakler für Luxusimmobilien

Page Load Speed

1.6 sec in total

First Response

330 ms

Resources Loaded

1.1 sec

Page Rendered

127 ms

About Website

Visit dahler.de now to see the best up-to-date DAHLER content and also check out these interesting facts you probably never knew about dahler.de

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Visit dahler.de

Key Findings

We analyzed Dahler.de page load time and found that the first response time was 330 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

dahler.de performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value3,590 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

dahler.de

330 ms

fond_links.htm

132 ms

startseite.htm

238 ms

main.php

293 ms

fond_rechts.htm

270 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 91% of them (21 requests) were addressed to the original Dahler.de, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (330 ms) belongs to the original domain Dahler.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.4 kB (10%)

Content Size

33.7 kB

After Optimization

30.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dahler.de main page is 33.7 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. Only 10% of websites need less resources to load. Images take 22.9 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 1.7 kB

  • Original 2.8 kB
  • After minification 2.7 kB
  • After compression 1.1 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 1.7 kB or 61% of the original size.

Image Optimization

-0%

Potential reduce by 41 B

  • Original 22.9 kB
  • After minification 22.9 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. DAHLER images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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 971 B or 14% of the original size.

CSS Optimization

-63%

Potential reduce by 730 B

  • Original 1.2 kB
  • After minification 692 B
  • After compression 423 B

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. Dahler.de needs all CSS files to be minified and compressed as it can save up to 730 B or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (23%)

Requests Now

22

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DAHLER. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dahler.de accessibility score

83

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

[role] values are not valid

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

dahler.de best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

dahler.de SEO score

90

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 Dahler.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 Dahler.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 description is not detected on the main page of DAHLER. 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: