Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

heilbronn.de

Stadt Heilbronn: Startseite

Page Load Speed

6.8 sec in total

First Response

50 ms

Resources Loaded

4.6 sec

Page Rendered

2.2 sec

heilbronn.de screenshot

About Website

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

Offizielles Internetportal der Stadt Heilbronn

Visit heilbronn.de

Key Findings

We analyzed Heilbronn.de page load time and found that the first response time was 50 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

heilbronn.de performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,340 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value1.141

1/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

heilbronn.de

50 ms

heilbronn.de

313 ms

startseite.html

1276 ms

imxevents.css

102 ms

7015c8c4ac5ff815b57530b221005fc6.css

134 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 97% of them (88 requests) were addressed to the original Heilbronn.de, 1% (1 request) were made to Privacy-proxy.usercentrics.eu and 1% (1 request) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Heilbronn.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 269.3 kB (9%)

Content Size

3.0 MB

After Optimization

2.7 MB

In fact, the total size of Heilbronn.de main page is 3.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 269.0 kB

  • Original 317.4 kB
  • After minification 306.3 kB
  • After compression 48.4 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 269.0 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 306 B

  • Original 2.5 MB
  • After minification 2.5 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. Heilbronn images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 225.7 kB
  • After minification 225.7 kB
  • After compression 225.7 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.

Requests Breakdown

Number of requests can be reduced by 29 (36%)

Requests Now

80

After Optimization

51

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heilbronn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

heilbronn.de accessibility score

81

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

heilbronn.de best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

heilbronn.de SEO score

85

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

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

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heilbronn.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 Heilbronn.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

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