Access certified.de. Business & Conference Hotels & Locations

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.149

76/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

certified.de

339 ms

www.certified.de

812 ms

style.min.css

206 ms

certified-suche-public.css

300 ms

easy-autocomplete.css

301 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 94% of them (48 requests) were addressed to the original Certified.de, 2% (1 request) were made to Maps.googleapis.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (888 ms) belongs to the original domain Certified.de.

Content Size

2.0 MB

After Optimization

1.7 MB

In fact, the total size of Certified.de main page is 2.0 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. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 119.9 kB

Original 152.6 kB
After minification 149.6 kB
After compression 32.7 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 119.9 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 11.2 kB

Original 1.3 MB
After minification 1.3 MB

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. Certified images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 131.8 kB

Original 463.5 kB
After minification 463.5 kB
After compression 331.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 131.8 kB or 28% of the original size.

CSS Optimization

-11%

Potential reduce by 14.4 kB

Original 136.4 kB
After minification 136.4 kB
After compression 122.0 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. Certified.de needs all CSS files to be minified and compressed as it can save up to 14.4 kB or 11% of the original size.

Requests Now

After Optimization

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certified. 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 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-hidden="true"] elements contain focusable descendents

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Certified.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 Certified.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

certified.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Business & Conference Hotels & Locations - Certified Hotel-Zertifizierung

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

certified.de

www.certified.de

style.min.css

certified-suche-public.css

easy-autocomplete.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

certified.de

www.certified.de

style.min.css

certified-suche-public.css

easy-autocomplete.css

easy-autocomplete.themes.css

uaf.css

mediaelementplayer-legacy.min.css

wp-mediaelement.min.css

dflip.min.css

avia-merged-styles-da125e2d931ae18de9b519496b982155---65fae0f122580.css

post-206.css

jquery.min.js

js

jquery.easy-autocomplete.js

js

trustindex-google-widget.css

certified-suche-public.js

mediaelement-and-player.min.js

mediaelement-migrate.min.js

wp-mediaelement.min.js

dflip.min.js

loader.js

base.js

avia-footer-scripts-9caa253530d4e0bd97d2604147bdb95a---65fae0f1a41c7.js

certifiedHotel.jpg

directoryBanner.jpg

banner_spotlight.jpg

certifiedBusinessHotel-180x180.jpg

certifiedConferenceHotel-180x180.jpg

certifiedGreenHotel-180x180.jpg

certfiedServicedApartment-180x180.jpg

certifiedEventLocation-180x180.jpg

certifiedHygieneCheck-180x180.jpg

53edec4d-f322-4610-8db2-0a15cdca5f01-495x400.webp

Folgen-Bildweb-1-495x400.jpg

36107f27-4ac8-4885-92b1-6fa04b35174d-495x400.jpeg

sebastian_klink_bilderberg_bellevue-180x180.jpg

Katja-Kortmann-Hotel-Esplanade-Foto-180x180.jpg

Stober-180x180.jpg

logo.svg

cropped-favicon-300x300.jpg

MitgliedCertf.jpg