Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

regionales-telefonbuch.net

Regionales-Telefonbuch.net - das Infoportal für Regionale Telefon- und Branchenbücher - SKN Druck und Verlag GmbH & Co. KG

Page Load Speed

2.4 sec in total

First Response

467 ms

Resources Loaded

1.8 sec

Page Rendered

136 ms

regionales-telefonbuch.net screenshot

About Website

Click here to check amazing Regionales Telefonbuch content for Germany. Otherwise, check out these important facts you probably never knew about regionales-telefonbuch.net

Infoportal der Regionalen Telefon- und Branchenbücher für den Nordwesten und Osten Deutschlands

Visit regionales-telefonbuch.net

Key Findings

We analyzed Regionales-telefonbuch.net page load time and found that the first response time was 467 ms and then it took 1.9 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

regionales-telefonbuch.net performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

regionales-telefonbuch.net

467 ms

style.css

256 ms

slideshow.js

339 ms

bt_dissolving.js

182 ms

bt_suchen_on.gif

89 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 95% of them (39 requests) were addressed to the original Regionales-telefonbuch.net, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Regionales-telefonbuch.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.5 kB (30%)

Content Size

89.5 kB

After Optimization

63.1 kB

In fact, the total size of Regionales-telefonbuch.net main page is 89.5 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. 30% of websites need less resources to load. Images take 40.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 14.1 kB

  • Original 17.1 kB
  • After minification 11.6 kB
  • After compression 3.0 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 5.5 kB, which is 32% 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 14.1 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 40.1 kB
  • After minification 40.1 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. Regionales Telefonbuch images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 8.3 kB

  • Original 27.3 kB
  • After minification 23.8 kB
  • After compression 19.0 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 8.3 kB or 30% of the original size.

CSS Optimization

-80%

Potential reduce by 4.1 kB

  • Original 5.1 kB
  • After minification 3.5 kB
  • After compression 1.0 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. Regionales-telefonbuch.net needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (30%)

Requests Now

37

After Optimization

26

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Regionales Telefonbuch. 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.

Accessibility Review

regionales-telefonbuch.net accessibility score

79

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

High

Form elements do not have associated labels

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

regionales-telefonbuch.net 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

High

Browser errors were logged to the console

SEO Factors

regionales-telefonbuch.net SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Regionales-telefonbuch.net 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 Regionales-telefonbuch.net 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

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