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name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value7,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value32.2 s

0/100

10%

impfschaden.info

680 ms

style.css

201 ms

jquery.qtip.css

206 ms

jcemediabox.min.css

206 ms

content.min.css

236 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 60% of them (64 requests) were addressed to the original Impfschaden.info, 7% (7 requests) were made to Apis.google.com and 7% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (928 ms) belongs to the original domain Impfschaden.info.

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Impfschaden.info main page is 1.8 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. 80% 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. Javascripts take 837.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 119.0 kB

Original 142.2 kB
After minification 139.7 kB
After compression 23.2 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 119.0 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 27.7 kB

Original 774.8 kB
After minification 747.1 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. Impfschaden images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 141.9 kB

Original 837.7 kB
After minification 793.2 kB
After compression 695.9 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 141.9 kB or 17% of the original size.

CSS Optimization

-12%

Potential reduce by 9.4 kB

Original 80.5 kB
After minification 80.5 kB
After compression 71.1 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. Impfschaden.info needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 12% of the original size.

Requests Now

104

After Optimization

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Impfschaden. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a valid value for its [lang] attribute.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

*
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Impfschaden.info can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed language. Our system also found out that Impfschaden.info 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

impfschaden.info

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Home - impfschaden.info - Mehr Transparenz über Impfungen, Impfen und Impfschäden

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

impfschaden.info

style.css

jquery.qtip.css

jcemediabox.min.css

content.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

impfschaden.info

style.css

jquery.qtip.css

jcemediabox.min.css

content.min.css

bootstrap.min.css

bootstrap-responsive.min.css

bootstrap-extended.css

bootstrap-frontend.min.css

bootstrap-responsive-frontend.min.css

system.css

general.css

template.css

template_pro.css

blue.css

business.css

jsn_iconlinks.css

jsn_mobile.css

jsn_social_icons.css

modal.css

camera.css

css

module_default.css

jquery.min.js

jquery-noconflict.js

jquery-migrate.min.js

jquery.qtip.js

caption.js

jcemediabox.min.js

widgets.js

mootools-core.js

core.js

mootools-more.js

noconflict.js

utils.js

jsn_template.js

modal.js

bootstrap.min.js

js

sdk.js

jquery.easing.1.3.js

camera.min.js

acymailing_module.js