Access konzertkasse-dresden.de. Highlights

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

konzertkasse-dresden.de

247 ms

konzertkasse-dresden.de

524 ms

ga.js

20 ms

cookieconsent.min.css

101 ms

cookieconsent.min.js

111 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 93% of them (94 requests) were addressed to the original Konzertkasse-dresden.de, 2% (2 requests) were made to Ssl.google-analytics.com and 2% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (955 ms) belongs to the original domain Konzertkasse-dresden.de.

Content Size

2.2 MB

After Optimization

2.0 MB

In fact, the total size of Konzertkasse-dresden.de main page is 2.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 70.0 kB

Original 83.1 kB
After minification 79.6 kB
After compression 13.1 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 70.0 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 91.4 kB

Original 2.0 MB
After minification 2.0 MB

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. Konzertkasse Dresden images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

Original 23.7 kB
After minification 23.7 kB
After compression 23.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 66 B

Original 1.3 kB
After minification 1.3 kB
After compression 1.2 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. Konzertkasse-dresden.de has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Konzertkasse Dresden. 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.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document doesn't use legible font sizes

Language and Encoding

Language Detected

DE
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Konzertkasse-dresden.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Konzertkasse-dresden.de 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

konzertkasse-dresden.de

Open Graph description is not detected on the main page of Konzertkasse Dresden. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Highlights » Konzertkasse-Dresden

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

konzertkasse-dresden.de

konzertkasse-dresden.de

ga.js

cookieconsent.min.css

cookieconsent.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

konzertkasse-dresden.de

konzertkasse-dresden.de

ga.js

cookieconsent.min.css

cookieconsent.min.js

font-awesome.min.css

allcss.php

alljs.php

__utm.gif

collect

ga-audiences

gtm.js

logo.png

fb_logo.png

twitter_logo.png

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