Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

nat.uni-erlangen.de

FAU Naturwissenschaftliche Fakultät

Page Load Speed

6.9 sec in total

First Response

284 ms

Resources Loaded

6.2 sec

Page Rendered

363 ms

nat.uni-erlangen.de screenshot

About Website

Welcome to nat.uni-erlangen.de homepage info - get ready to check Nat Uni Erlangen best content for Germany right away, or after learning these important things about nat.uni-erlangen.de

Startseite.

Visit nat.uni-erlangen.de

Key Findings

We analyzed Nat.uni-erlangen.de page load time and found that the first response time was 284 ms and then it took 6.6 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

nat.uni-erlangen.de performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.39

26/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

nat.uni-erlangen.de

284 ms

www.nat.fau.de

283 ms

www.nat.fau.de

2813 ms

dashicons.min.css

193 ms

all.css

287 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Nat.uni-erlangen.de, 94% (46 requests) were made to Nat.fau.de and 2% (1 request) were made to Cdn.video.uni-erlangen.de. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Nat.fau.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 442.7 kB (33%)

Content Size

1.4 MB

After Optimization

910.3 kB

In fact, the total size of Nat.uni-erlangen.de main page is 1.4 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 793.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.6 kB

  • Original 37.6 kB
  • After minification 35.3 kB
  • After compression 9.0 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 28.6 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 53.4 kB

  • Original 793.7 kB
  • After minification 740.4 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. Nat Uni Erlangen images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 233.8 kB

  • Original 340.4 kB
  • After minification 338.4 kB
  • After compression 106.6 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 233.8 kB or 69% of the original size.

CSS Optimization

-70%

Potential reduce by 126.9 kB

  • Original 181.3 kB
  • After minification 179.1 kB
  • After compression 54.4 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. Nat.uni-erlangen.de needs all CSS files to be minified and compressed as it can save up to 126.9 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (45%)

Requests Now

42

After Optimization

23

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nat Uni Erlangen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nat.uni-erlangen.de accessibility score

100

Accessibility Issues

Best Practices

nat.uni-erlangen.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

nat.uni-erlangen.de SEO score

100

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

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 Nat.uni-erlangen.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 Nat.uni-erlangen.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 Nat Uni Erlangen. 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: