Report Summary

  • 53

    Performance

    Renders faster than
    72% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

mainz.de

Landeshauptstadt Mainz: Portalseite | Startseite

Page Load Speed

4.4 sec in total

First Response

1.1 sec

Resources Loaded

2.1 sec

Page Rendered

1.2 sec

mainz.de screenshot

About Website

Click here to check amazing Mainz content for Germany. Otherwise, check out these important facts you probably never knew about mainz.de

Die Gutenberg- und Medienstadt stellt sich vor. Mit Informationen aus dem Rathaus, über das Leben in Mainz, über das touristische Angebot und Freizeitangebote.

Visit mainz.de

Key Findings

We analyzed Mainz.de page load time and found that the first response time was 1.1 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

mainz.de performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

mainz.de

1111 ms

stylesheet.css

826 ms

icon.css

315 ms

navigation.css

211 ms

sp-site-api.css

216 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 Mainz.de, 2% (1 request) were made to and 2% (1 request) were made to Mz-piwik.sitepark.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Mainz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 359.8 kB (28%)

Content Size

1.3 MB

After Optimization

931.5 kB

In fact, the total size of Mainz.de main page is 1.3 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. 35% of websites need less resources to load. Images take 881.6 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 86.5 kB

  • Original 98.6 kB
  • After minification 62.7 kB
  • After compression 12.0 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 35.9 kB, which is 36% 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 86.5 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 18.1 kB

  • Original 881.6 kB
  • After minification 863.5 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. Mainz images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 27.7 kB

  • Original 42.7 kB
  • After minification 42.7 kB
  • After compression 14.9 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 27.7 kB or 65% of the original size.

CSS Optimization

-85%

Potential reduce by 227.4 kB

  • Original 268.4 kB
  • After minification 202.9 kB
  • After compression 41.0 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. Mainz.de needs all CSS files to be minified and compressed as it can save up to 227.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (18%)

Requests Now

22

After Optimization

18

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mainz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mainz.de accessibility score

99

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

Best Practices

mainz.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

SEO Factors

mainz.de SEO score

95

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Mainz.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 Mainz.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 data is detected on the main page of Mainz. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: