Access aco-hochbau.de. ACO GmbH

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value1,070 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.407

24/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

230 ms

merged-fb81995b10f515ba87339b466981f867-59a81c4c635728a019d154b1c7e56884.css

202 ms

functional.css

9 ms

flowplayer.css

198 ms

modernizr-2.0.6.js

290 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 78% of them (36 requests) were addressed to the original Aco-hochbau.de, 4% (2 requests) were made to Releases.flowplayer.org and 4% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Aco-hochbau.de.

Content Size

2.0 MB

After Optimization

1.4 MB

In fact, the total size of Aco-hochbau.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. 35% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 45.7 kB

Original 64.8 kB
After minification 63.4 kB
After compression 19.1 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 45.7 kB or 70% of the original size.

Image Optimization

-9%

Potential reduce by 108.3 kB

Original 1.2 MB
After minification 1.1 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. ACO Hochbau images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 446.0 kB

Original 691.1 kB
After minification 665.0 kB
After compression 245.1 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 446.0 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 64.9 kB

Original 78.9 kB
After minification 75.3 kB
After compression 14.0 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. Aco-hochbau.de needs all CSS files to be minified and compressed as it can save up to 64.9 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ACO Hochbau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 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 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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

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

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

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 Aco-hochbau.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 Aco-hochbau.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

aco-hochbau.de

Open Graph description is not detected on the main page of ACO Hochbau. 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

ACO GmbH

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