Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

tropeninstitut.de

Reisemedizin, Malaria, Impfungen, 350 Reiseziele, Tropenkrankheiten, Dengue, Mückenschutz, Tollwut

Page Load Speed

2.3 sec in total

First Response

198 ms

Resources Loaded

2 sec

Page Rendered

156 ms

About Website

Click here to check amazing Tropeninstitut content for Austria. Otherwise, check out these important facts you probably never knew about tropeninstitut.de

Reisemedizinische Infos für 350 Reiseländer - Impfempfehlungen, Malariavorbeugung, Reisen mit Kinder, Impfen bei Schwangerschaft, Reiseapotheke

Visit tropeninstitut.de

Key Findings

We analyzed Tropeninstitut.de page load time and found that the first response time was 198 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

tropeninstitut.de performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.351

31/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

tropeninstitut.de

198 ms

tropeninstitut.de

517 ms

matomo.js

555 ms

font-small.css

190 ms

lato.css

285 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 96% of them (44 requests) were addressed to the original Tropeninstitut.de, 4% (2 requests) were made to Stats.tropeninstitut.de. The less responsive or slowest element that took the longest time to load (698 ms) belongs to the original domain Tropeninstitut.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 206.3 kB (19%)

Content Size

1.1 MB

After Optimization

870.1 kB

In fact, the total size of Tropeninstitut.de main page is 1.1 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. 45% of websites need less resources to load. Images take 797.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 103.4 kB

  • Original 124.4 kB
  • After minification 117.9 kB
  • After compression 21.0 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 103.4 kB or 83% of the original size.

Image Optimization

-13%

Potential reduce by 100.7 kB

  • Original 797.2 kB
  • After minification 696.5 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. Obviously, Tropeninstitut needs image optimization as it can save up to 100.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 570 B

  • Original 119.3 kB
  • After minification 119.3 kB
  • After compression 118.7 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.

CSS Optimization

-5%

Potential reduce by 1.7 kB

  • Original 35.6 kB
  • After minification 35.4 kB
  • After compression 33.9 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. Tropeninstitut.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (33%)

Requests Now

42

After Optimization

28

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tropeninstitut. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tropeninstitut.de accessibility score

76

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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.

Best Practices

tropeninstitut.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

tropeninstitut.de SEO score

81

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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tropeninstitut.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 Tropeninstitut.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 Tropeninstitut. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: