Tools & Wizards About Us
vienna.info screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

vienna.info

Welcome to Vienna - vienna.info

Page Load Speed

3.2 sec in total

First Response

333 ms

Resources Loaded

2.5 sec

Page Rendered

351 ms

vienna.info screenshot

About Website

Visit vienna.info now to see the best up-to-date Vienna content for Austria and also check out these interesting facts you probably never knew about vienna.info

The official online travel guide for the city of Vienna, with information about sights, events and hotel bookings, and the Vienna City Card.

Visit vienna.info

Key Findings

We analyzed Vienna.info page load time and found that the first response time was 333 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

vienna.info performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value19.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.215

58/100

15%

TTI (Time to Interactive)

Value34.3 s

0/100

10%

Network Requests Diagram

vienna.info

333 ms

en

210 ms

main.css

104 ms

built.js

505 ms

api.js

38 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Vienna.info, 80% (28 requests) were made to Wien.info and 9% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Wien.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.8 kB (28%)

Content Size

2.0 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vienna.info 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 99.4 kB

  • Original 125.3 kB
  • After minification 108.1 kB
  • After compression 25.9 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 17.2 kB, which is 14% 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 99.4 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 51.5 kB

  • Original 1.2 MB
  • After minification 1.2 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. Vienna images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 405.0 kB

  • Original 615.3 kB
  • After minification 615.3 kB
  • After compression 210.3 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 405.0 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (24%)

Requests Now

33

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vienna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vienna.info

vienna.info

333 ms

en

en

210 ms

main.css

main.css

104 ms

built.js

built.js

505 ms

api.js

api.js

38 ms

analytics.js

analytics.js

35 ms

en.svg

en.svg

295 ms

image_header-medium

image_header-medium

612 ms

logo_wtfront-en.png

logo_wtfront-en.png

498 ms

image_claim-500

image_claim-500

617 ms

image_nav_teaser

image_nav_teaser

525 ms

image_nav_teaser

image_nav_teaser

526 ms

image_nav_teaser

image_nav_teaser

488 ms

image_nav_teaser

image_nav_teaser

594 ms

image_nav_teaser

image_nav_teaser

600 ms

image_nav_teaser

image_nav_teaser

626 ms

image_leading_article_teaser

image_leading_article_teaser

930 ms

image_teaser

image_teaser

778 ms

image_teaser

image_teaser

792 ms

image_teaser

image_teaser

799 ms

image_teaser

image_teaser

803 ms

image_leading_article_teaser

image_leading_article_teaser

1131 ms

image_teaser

image_teaser

881 ms

image_teaser

image_teaser

992 ms

image_teaser

image_teaser

901 ms

image_teaser

image_teaser

906 ms

image_wienkarte_promotion

image_wienkarte_promotion

985 ms

image_footer_promotion

image_footer_promotion

1004 ms

recaptcha__en.js

recaptcha__en.js

58 ms

linkid.js

linkid.js

30 ms

collect

collect

25 ms

css

css

58 ms

icons.data.svg.css

icons.data.svg.css

666 ms

icons.data.svg.css

icons.data.svg.css

571 ms

print.css

print.css

104 ms

Accessibility Review

vienna.info accessibility score

86

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

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

[lang] attributes do not have a valid value

Best Practices

vienna.info best practices score

83

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

High

Browser errors were logged to the console

SEO Factors

vienna.info SEO score

100

Search Engine Optimization Advices

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

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vienna.info can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Vienna.info main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

vienna.info

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