Tools & Wizards About Us
buero-koelbl.de screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

buero-koelbl.de

Büro Kölbl - Webdesign und Internetauftritt, professionell und günstig

Page Load Speed

1.4 sec in total

First Response

308 ms

Resources Loaded

814 ms

Page Rendered

295 ms

buero-koelbl.de screenshot

About Website

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

Webdesign und Internetagentur. Nürnberg, Röthenbach, Behringersdorf, Rückersdorf, Lauf, Hersbruck, Nürnberger Land, Franken

Visit buero-koelbl.de

Key Findings

We analyzed Buero-koelbl.de page load time and found that the first response time was 308 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

buero-koelbl.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

buero-koelbl.de

308 ms

style.css

109 ms

blind.gif

236 ms

logo_250x65.gif

331 ms

g_wegweiser_750x275.jpg

505 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Buero-koelbl.de and no external sources were called. The less responsive or slowest element that took the longest time to load (505 ms) belongs to the original domain Buero-koelbl.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.5 kB (8%)

Content Size

73.6 kB

After Optimization

68.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Buero-koelbl.de main page is 73.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 67.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 3.3 kB

  • Original 4.6 kB
  • After minification 4.1 kB
  • After compression 1.3 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 546 B, which is 12% 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 3.3 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 770 B

  • Original 67.1 kB
  • After minification 66.3 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. Buero Koelbl images are well optimized though.

CSS Optimization

-78%

Potential reduce by 1.4 kB

  • Original 1.8 kB
  • After minification 1.5 kB
  • After compression 403 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. Buero-koelbl.de needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buero Koelbl. According to our analytics all requests are already optimized.

Network Requests Diagram

buero-koelbl.de

buero-koelbl.de

308 ms

style.css

style.css

109 ms

blind.gif

blind.gif

236 ms

logo_250x65.gif

logo_250x65.gif

331 ms

g_wegweiser_750x275.jpg

g_wegweiser_750x275.jpg

505 ms

g_bg_streifen.jpg

g_bg_streifen.jpg

132 ms

Accessibility Review

buero-koelbl.de accessibility score

60

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.

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

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

Best Practices

buero-koelbl.de best practices score

67

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

SEO Factors

buero-koelbl.de SEO score

67

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buero-koelbl.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 Buero-koelbl.de main page’s claimed encoding is windows-1252. 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

buero-koelbl.de

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