Access trebbau.com. Die Agentur für crossmediales Dialogmarketing

name

value

score

weighting

FCP (First Contentful Paint)

Value18.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value39.7 s

0/100

25%

SI (Speed Index)

Value28.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,820 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.107

88/100

15%

TTI (Time to Interactive)

Value64.5 s

0/100

10%

www.trebbau.com

2985 ms

js.js

294 ms

style.min.css

564 ms

styles.css

300 ms

wpa.css

299 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that all of those requests were addressed to Trebbau.com and no external sources were called. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Trebbau.com.

Content Size

17.1 MB

After Optimization

11.7 MB

In fact, the total size of Trebbau.com main page is 17.1 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. Only a small number of websites need less resources to load. Images take 12.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 248.3 kB

Original 296.2 kB
After minification 288.9 kB
After compression 47.9 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 248.3 kB or 84% of the original size.

Image Optimization

-14%

Potential reduce by 1.7 MB

Original 12.2 MB
After minification 10.4 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. Obviously, Trebbau needs image optimization as it can save up to 1.7 MB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 1.9 MB

Original 2.8 MB
After minification 2.7 MB
After compression 898.4 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 1.9 MB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 1.5 MB

Original 1.8 MB
After minification 1.6 MB
After compression 258.7 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. Trebbau.com needs all CSS files to be minified and compressed as it can save up to 1.5 MB or 85% of the original size.

Requests Now

134

After Optimization

The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trebbau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 60 to 1 for JavaScripts and from 38 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 progressbar elements do not have accessible names.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

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

DE
Encoding

UTF-8

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

trebbau.com

Open Graph data is detected on the main page of Trebbau. 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

Die Agentur für crossmediales Dialogmarketing | Trebbau

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

www.trebbau.com

js.js

style.min.css

styles.css

wpa.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

www.trebbau.com

js.js

style.min.css

styles.css

wpa.css

menu-image.css

dashicons.min.css

style.min.css

choices.min.css

frontend.min.css

password.min.css

intl-tel-input.min.css

dropzone.min.css

modal-views.min.css

editor.min.css

frontend-full.min.css

layout.min.css

wpforms-full.min.css

jquery.timepicker.min.css

flatpickr.min.css

wpforms-full.min.css

cms-navigation-base.css

cms-navigation.css

font-awesome.min.css

style.css

mediaelementplayer-legacy.min.css

wp-mediaelement.min.css

rgs.css

style.css

prettyPhoto.css

responsive.css

orbit.css

portfolio.css

select2.css

borlabs-cookie_1_de.css

js_composer.min.css

6eb86a46dba7b7014c3ca5b60295946fe81eecea.css

iziModal.min.css

jquery.min.js

jquery-migrate.min.js

entry-preview.min.css

modernizr.js

core.min.js