Tools & Wizards About Us
donauturm.at screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

donauturm.at

Das höchste Wahrzeichen Österreichs >> Donauturm Wien

Page Load Speed

5.4 sec in total

First Response

430 ms

Resources Loaded

3.8 sec

Page Rendered

1.2 sec

donauturm.at screenshot

About Website

Click here to check amazing Donauturm content for Austria. Otherwise, check out these important facts you probably never knew about donauturm.at

Der neue Donauturm lädt zum Verweilen ein: ✓ 360° Panorama. ✓ Gehobene Gastronomie. ✓ 252mHöhe. ► Überzeugen Sie sich selbst!

Visit donauturm.at

Key Findings

We analyzed Donauturm.at page load time and found that the first response time was 430 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

donauturm.at performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

donauturm.at

430 ms

468 ms

www.donauturm.at

1187 ms

dt_style.css

218 ms

photoswipe.min.js

44 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 67% of them (41 requests) were addressed to the original Donauturm.at, 7% (4 requests) were made to Cdnjs.cloudflare.com and 7% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Donauturm.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 450.7 kB (9%)

Content Size

4.8 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Donauturm.at main page is 4.8 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. 55% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 73.4 kB

  • Original 90.3 kB
  • After minification 72.0 kB
  • After compression 16.9 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. This page needs HTML code to be minified as it can gain 18.3 kB, which is 20% 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 73.4 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 193.2 kB

  • Original 4.3 MB
  • After minification 4.1 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. Donauturm images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 181.8 kB

  • Original 346.2 kB
  • After minification 346.2 kB
  • After compression 164.3 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 181.8 kB or 53% of the original size.

CSS Optimization

-10%

Potential reduce by 2.3 kB

  • Original 23.7 kB
  • After minification 23.7 kB
  • After compression 21.4 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. Donauturm.at has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (41%)

Requests Now

54

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Donauturm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

donauturm.at

donauturm.at

430 ms

468 ms

www.donauturm.at

www.donauturm.at

1187 ms

dt_style.css

dt_style.css

218 ms

photoswipe.min.js

photoswipe.min.js

44 ms

photoswipe-ui-default.min.js

photoswipe-ui-default.min.js

55 ms

uc.js

uc.js

33 ms

swiper-bundle.min.css

swiper-bundle.min.css

327 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

460 ms

lazysizes.min.js

lazysizes.min.js

461 ms

swiper-bundle.min.js

swiper-bundle.min.js

664 ms

script.js

script.js

461 ms

wallsio-widget-1.2.js

wallsio-widget-1.2.js

423 ms

photoswipe.min.css

photoswipe.min.css

18 ms

default-skin.min.css

default-skin.min.css

18 ms

25046564.js

25046564.js

455 ms

gtm.js

gtm.js

168 ms

reservations.css

reservations.css

39 ms

js

js

125 ms

js

js

249 ms

destination

destination

339 ms

uc.js

uc.js

56 ms

reservations.js

reservations.js

44 ms

dt_logo.svg

dt_logo.svg

213 ms

down_arrow.svg

down_arrow.svg

211 ms

search.svg

search.svg

213 ms

Donauturm-mit-Rutsche.jpg

Donauturm-mit-Rutsche.jpg

395 ms

turm_rutsche.svg

turm_rutsche.svg

215 ms

turm_restaurant.svg

turm_restaurant.svg

305 ms

turm_cafe.svg

turm_cafe.svg

309 ms

turm_events.svg

turm_events.svg

310 ms

donau_brau.svg

donau_brau.svg

311 ms

donau_shop.svg

donau_shop.svg

313 ms

Newsletter-donauturm-1845-2.jpg

Newsletter-donauturm-1845-2.jpg

393 ms

ALS.svg

ALS.svg

394 ms

subset-Dense-Bold.woff

subset-Dense-Bold.woff

367 ms

subset-Dense-Regular.woff

subset-Dense-Regular.woff

430 ms

subset-DTLTPro47LtCn.woff

subset-DTLTPro47LtCn.woff

430 ms

MAIN-Blog__FillMaxWzI4Myw0MDBd.png

MAIN-Blog__FillMaxWzI4Myw0MDBd.png

320 ms

MAIN-Blog__FillMaxWzI4Myw0MDBd.png

MAIN-Blog__FillMaxWzI4Myw0MDBd.png

332 ms

MAIN-Blog__FillMaxWzI4Myw0MDBd.png

MAIN-Blog__FillMaxWzI4Myw0MDBd.png

337 ms

MAIN-Blog__FillMaxWzI4Myw0MDBd.png

MAIN-Blog__FillMaxWzI4Myw0MDBd.png

552 ms

MAIN-Blog__FillMaxWzI4Myw0MDBd.jpg

MAIN-Blog__FillMaxWzI4Myw0MDBd.jpg

465 ms

Donauturm-Rutsche.jpg

Donauturm-Rutsche.jpg

479 ms

079_H6A8114_HIREScHoval.jpg

079_H6A8114_HIREScHoval.jpg

331 ms

L7_4369-Querformat-Turmcafe.jpg

L7_4369-Querformat-Turmcafe.jpg

343 ms

Donauturm_Indoor-Terrasse.jpg

Donauturm_Indoor-Terrasse.jpg

456 ms

Donaubraeu-BAR_.jpg

Donaubraeu-BAR_.jpg

550 ms

Donaushop2.jpg

Donaushop2.jpg

454 ms

landing

landing

456 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

21 ms

MAIN-Blog-1220-x-770-px1__FillMaxWzc1Miw1MzZd.jpg

MAIN-Blog-1220-x-770-px1__FillMaxWzc1Miw1MzZd.jpg

454 ms

Vatertag__FillMaxWzc1Miw1MzZd.jpg

Vatertag__FillMaxWzc1Miw1MzZd.jpg

427 ms

Main-Romantik__FillMaxWzc1Miw1MzZd.jpg

Main-Romantik__FillMaxWzc1Miw1MzZd.jpg

426 ms

2__FillMaxWzc1Miw1MzZd.png

2__FillMaxWzc1Miw1MzZd.png

640 ms

web-interactives-embed.js

web-interactives-embed.js

497 ms

banner.js

banner.js

533 ms

25046564.js

25046564.js

460 ms

collectedforms.js

collectedforms.js

497 ms

search_white.svg

search_white.svg

413 ms

3__FillMaxWzc1Miw1MzZd.png

3__FillMaxWzc1Miw1MzZd.png

326 ms

Accessibility Review

donauturm.at accessibility score

89

Accessibility Issues

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.

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

Links do not have a discernible name

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

donauturm.at best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

donauturm.at SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Donauturm.at 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 Donauturm.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

donauturm.at

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