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en.aht.at screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

en.aht.at

AHT Cooling Systems - naturally at your side - a member of DAIKIN group

Page Load Speed

26 sec in total

First Response

1.5 sec

Resources Loaded

23.6 sec

Page Rendered

926 ms

en.aht.at screenshot

About Website

Click here to check amazing En AHT content for Germany. Otherwise, check out these important facts you probably never knew about en.aht.at

We cool, you sell. Freezing and refrigeration systems from the technology leader AHT. Discover the world of AHT.

Visit en.aht.at

Key Findings

We analyzed En.aht.at page load time and found that the first response time was 1.5 sec and then it took 24.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

en.aht.at performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value22.5 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value1,940 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

en.aht.at

1472 ms

style.min.css

267 ms

classic-themes.min.css

528 ms

styles.css

611 ms

wpcf7-redirect-frontend.min.css

820 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 77% of them (62 requests) were addressed to the original En.aht.at, 7% (6 requests) were made to Youtube-nocookie.com and 4% (3 requests) were made to Aht.at. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain En.aht.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 452.8 kB (17%)

Content Size

2.7 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of En.aht.at main page is 2.7 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. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 105.7 kB

  • Original 125.7 kB
  • After minification 106.4 kB
  • After compression 20.0 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. This page needs HTML code to be minified as it can gain 19.3 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 105.7 kB or 84% of the original size.

Image Optimization

-17%

Potential reduce by 336.8 kB

  • Original 2.0 MB
  • After minification 1.7 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, En AHT needs image optimization as it can save up to 336.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 7.3 kB

  • Original 474.3 kB
  • After minification 474.3 kB
  • After compression 467.0 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

-2%

Potential reduce by 3.0 kB

  • Original 128.6 kB
  • After minification 128.6 kB
  • After compression 125.6 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. En.aht.at has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 40 (54%)

Requests Now

74

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En AHT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

en.aht.at

en.aht.at

1472 ms

style.min.css

style.min.css

267 ms

classic-themes.min.css

classic-themes.min.css

528 ms

styles.css

styles.css

611 ms

wpcf7-redirect-frontend.min.css

wpcf7-redirect-frontend.min.css

820 ms

cookieblocker.min.css

cookieblocker.min.css

715 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

1234 ms

html5-qrcode.min.js

html5-qrcode.min.js

1136 ms

jquery.min.js

jquery.min.js

23 ms

style.css

style.css

1109 ms

fixes_css.css

fixes_css.css

818 ms

index.js

index.js

959 ms

index.js

index.js

1035 ms

wpcf7r-fe.js

wpcf7r-fe.js

1033 ms

jquery-migrate.min.js

jquery-migrate.min.js

1212 ms

bowser.min.js

bowser.min.js

1979 ms

bootstrap.min.js

bootstrap.min.js

1417 ms

slick.min.js

slick.min.js

1345 ms

select2.min.js

select2.min.js

1819 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

2984 ms

jquery.blockUI.js

jquery.blockUI.js

1459 ms

app.js

app.js

1814 ms

complianz.min.js

complianz.min.js

1817 ms

gtm.js

gtm.js

133 ms

O1RGdBOSlj4

O1RGdBOSlj4

174 ms

logo.png

logo.png

1217 ms

lang.svg

lang.svg

531 ms

map.svg

map.svg

688 ms

logo.svg

logo.svg

690 ms

web_website_banner_vento_co2-2000x1250.jpg

web_website_banner_vento_co2-2000x1250.jpg

1214 ms

efre_pic-e1610968112556.png

efre_pic-e1610968112556.png

1873 ms

Icon_40-JAhre-AHT-2000x1064.png

Icon_40-JAhre-AHT-2000x1064.png

1471 ms

40-jahre-aht.jpg

40-jahre-aht.jpg

1202 ms

advantage.jpg

advantage.jpg

2407 ms

rectangle_advantage.png

rectangle_advantage.png

1438 ms

17-rio2.svg

17-rio2.svg

1474 ms

square.png

square.png

1667 ms

01-montreal-1.svg

01-montreal-1.svg

1752 ms

15-coolbox-1.svg

15-coolbox-1.svg

1728 ms

26-ac-cooler-1.svg

26-ac-cooler-1.svg

1896 ms

kinley-xl.svg

kinley-xl.svg

19673 ms

13-lisboa.svg

13-lisboa.svg

20029 ms

CO2-Remote-cabinet.svg

CO2-Remote-cabinet.svg

2024 ms

HM-Multideck.svg

HM-Multideck.svg

2112 ms

HM00-.svg

HM00-.svg

2106 ms

HM0P.svg

HM0P.svg

2865 ms

04-miami.svg

04-miami.svg

2327 ms

16-vento-air.svg

16-vento-air.svg

4265 ms

slogan.png

slogan.png

4392 ms

aktuelles-1200x542.jpg

aktuelles-1200x542.jpg

3878 ms

rectangle_about.png

rectangle_about.png

3147 ms

nachhaltigkeit-1200x542.jpg

nachhaltigkeit-1200x542.jpg

4271 ms

bootstrap-grid.min.css

bootstrap-grid.min.css

4115 ms

bootstrap.min.css

bootstrap.min.css

4596 ms

analytics.js

analytics.js

27 ms

slick.css

slick.css

4352 ms

www-player.css

www-player.css

39 ms

www-embed-player.js

www-embed-player.js

66 ms

base.js

base.js

112 ms

select2.min.css

select2.min.css

4385 ms

collect

collect

72 ms

js

js

247 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

4102 ms

weltkarte-aht.svg

weltkarte-aht.svg

6122 ms

efre_pic-e1610968112556.png

efre_pic-e1610968112556.png

3074 ms

rectangle_map.png

rectangle_map.png

4307 ms

QIgJXlTW_ocH5BKR4VvT459F7KnrK51w4wqraUAmDYI.js

QIgJXlTW_ocH5BKR4VvT459F7KnrK51w4wqraUAmDYI.js

101 ms

embed.js

embed.js

49 ms

facebook.svg

facebook.svg

4154 ms

instagram.svg

instagram.svg

4205 ms

linkedin.svg

linkedin.svg

4418 ms

Create

Create

175 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

139 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

140 ms

GenerateIT

GenerateIT

14 ms

log_event

log_event

13 ms

arr_dn.svg

arr_dn.svg

365 ms

btn-top.svg

btn-top.svg

449 ms

BrandonGrotesque-Regular.woff

BrandonGrotesque-Regular.woff

510 ms

BrandonGrotesque-Medium.woff

BrandonGrotesque-Medium.woff

1131 ms

BrandonGrotesque-RegularItalic.woff

BrandonGrotesque-RegularItalic.woff

1352 ms

Accessibility Review

en.aht.at accessibility score

57

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-*] attributes do not match their roles

High

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

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.

High

[aria-*] attributes do not have valid values

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

High

Links do not have a discernible name

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

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

en.aht.at best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

en.aht.at SEO score

83

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

Links do not have descriptive text

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise En.aht.at can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that En.aht.at 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

en.aht.at

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