Report Summary

  • 74

    Performance

    Renders faster than
    84% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

amphi-festival.de

XVII. Amphi Festival 2023 - 29thd/30th July 2023 at Tanzbrunnen Cologne

Page Load Speed

3.7 sec in total

First Response

455 ms

Resources Loaded

1.8 sec

Page Rendered

1.4 sec

amphi-festival.de screenshot

About Website

Click here to check amazing Amphi Festival content for Germany. Otherwise, check out these important facts you probably never knew about amphi-festival.de

Das XVII. Amphi Festival 2022 - 29./30. Juli 2023 am Tanzbrunnen Köln, Festival am Samstag/Sonntag. Opening Event Call the Ship to Port.

Visit amphi-festival.de

Key Findings

We analyzed Amphi-festival.de page load time and found that the first response time was 455 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

amphi-festival.de performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

amphi-festival.de

455 ms

lightbox.css

291 ms

amphifestival.css

291 ms

urchin.js

23 ms

css

29 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 67% of them (32 requests) were addressed to the original Amphi-festival.de, 6% (3 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (791 ms) belongs to the original domain Amphi-festival.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 492.1 kB (27%)

Content Size

1.9 MB

After Optimization

1.4 MB

In fact, the total size of Amphi-festival.de main page is 1.9 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. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 24.9 kB

  • Original 35.9 kB
  • After minification 33.9 kB
  • After compression 11.0 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. 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 24.9 kB or 69% of the original size.

Image Optimization

-5%

Potential reduce by 69.5 kB

  • Original 1.3 MB
  • After minification 1.2 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. Amphi Festival images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 181.7 kB

  • Original 268.6 kB
  • After minification 251.5 kB
  • After compression 86.8 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 181.7 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 216.0 kB

  • Original 260.7 kB
  • After minification 256.6 kB
  • After compression 44.7 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. Amphi-festival.de needs all CSS files to be minified and compressed as it can save up to 216.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (42%)

Requests Now

43

After Optimization

25

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amphi Festival. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

amphi-festival.de accessibility score

70

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

amphi-festival.de best practices score

67

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

amphi-festival.de SEO score

83

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

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Amphi-festival.de can be misinterpreted by Google and other search engines. Our service has detected that English 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 Amphi-festival.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 data is detected on the main page of Amphi Festival. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: