Tools & Wizards About Us

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

wissenschaftsallianz-mainz.de

Start

Page Load Speed

4.7 sec in total

First Response

1.7 sec

Resources Loaded

2.9 sec

Page Rendered

154 ms

About Website

Visit wissenschaftsallianz-mainz.de now to see the best up-to-date Wissenschaftsallianz Mainz content and also check out these interesting facts you probably never knew about wissenschaftsallianz-mainz.de

Internetpräsenz der Mainzer Wissenschaftsallianz. Hier präsentiert sich das Netzwerk aus Wissenschafts- und Forschungseinrichtungen aus Mainz und Umgebung.

Visit wissenschaftsallianz-mainz.de

Key Findings

We analyzed Wissenschaftsallianz-mainz.de page load time and found that the first response time was 1.7 sec and then it took 3.1 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

wissenschaftsallianz-mainz.de performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

wissenschaftsallianz-mainz.de

1655 ms

merged-884fb053ab7fdd68c717dbd15dbd0f36-f373254a483b14616274da366722ac7d.css.1458153774.gzip

193 ms

analytics.js

69 ms

logo.svg

102 ms

wissen_logo.png

180 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 88% of them (15 requests) were addressed to the original Wissenschaftsallianz-mainz.de, 12% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Wissenschaftsallianz-mainz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 256.9 kB (45%)

Content Size

564.8 kB

After Optimization

307.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wissenschaftsallianz-mainz.de main page is 564.8 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. Javascripts take 255.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 47.1 kB

  • Original 54.3 kB
  • After minification 53.8 kB
  • After compression 7.1 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 47.1 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 19 B

  • Original 210.5 kB
  • After minification 210.5 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. Wissenschaftsallianz Mainz images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 174.3 kB

  • Original 255.6 kB
  • After minification 255.6 kB
  • After compression 81.3 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 174.3 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 35.4 kB

  • Original 44.5 kB
  • After minification 44.0 kB
  • After compression 9.1 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. Wissenschaftsallianz-mainz.de needs all CSS files to be minified and compressed as it can save up to 35.4 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wissenschaftsallianz Mainz. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

wissenschaftsallianz-mainz.de accessibility score

96

Accessibility Issues

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.

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

wissenschaftsallianz-mainz.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

wissenschaftsallianz-mainz.de SEO score

92

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

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 Wissenschaftsallianz-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 Wissenschaftsallianz-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 description is not detected on the main page of Wissenschaftsallianz Mainz. 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: