Tools & Wizards About Us

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

tonbandmuseum.info

Tonbandmuseum - Sie sind im Bereich: Tonband-Museum & -Technik

Page Load Speed

8.2 sec in total

First Response

3.7 sec

Resources Loaded

4.4 sec

Page Rendered

136 ms

About Website

Visit tonbandmuseum.info now to see the best up-to-date Tonbandmuseum content for Germany and also check out these interesting facts you probably never knew about tonbandmuseum.info

Das virtuelle Tonbandmuseum im Internet mit einer sehr umfangreichen kommentierten Galerie von Techniken und Geräten

Visit tonbandmuseum.info

Key Findings

We analyzed Tonbandmuseum.info page load time and found that the first response time was 3.7 sec and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

tonbandmuseum.info performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

tonbandmuseum.info

3667 ms

stylesheet_0117aa1885.css

383 ms

ton-erstseite-style.css

389 ms

tonband-folgeseite-navi-senkrecht.css

398 ms

tonband-content.css

391 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Tonbandmuseum.info and no external sources were called. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Tonbandmuseum.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.9 kB (32%)

Content Size

92.7 kB

After Optimization

62.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Tonbandmuseum.info main page is 92.7 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 54.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 11.4 kB

  • Original 16.1 kB
  • After minification 15.9 kB
  • After compression 4.6 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 11.4 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 54.4 kB
  • After minification 54.4 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. Tonbandmuseum images are well optimized though.

CSS Optimization

-83%

Potential reduce by 18.5 kB

  • Original 22.3 kB
  • After minification 15.7 kB
  • After compression 3.8 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. Tonbandmuseum.info needs all CSS files to be minified and compressed as it can save up to 18.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (16%)

Requests Now

19

After Optimization

16

  • Images
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tonbandmuseum. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tonbandmuseum.info accessibility score

77

Accessibility Issues

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Links do not have a discernible name

Best Practices

tonbandmuseum.info best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tonbandmuseum.info SEO score

69

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

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 Tonbandmuseum.info 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 Tonbandmuseum.info 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 Tonbandmuseum. 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: