Tools & Wizards About Us

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tango-vienna.com

Aktuelle Events | *Alle Veranstalter* | Tango Argentino in Wien | www.tango-vienna.com

Page Load Speed

2.2 sec in total

First Response

246 ms

Resources Loaded

1.8 sec

Page Rendered

135 ms

About Website

Welcome to tango-vienna.com homepage info - get ready to check Tango Vienna best content for Austria right away, or after learning these important things about tango-vienna.com

Der Kalender für die Wiener Tangoszene. Er bietet eine Übersicht über alle Milongas, Practicas, Workshops und Kurse sowie sonstige Veranstaltungen rund um den Tango Argentino in Wien und Umgebung.

Visit tango-vienna.com

Key Findings

We analyzed Tango-vienna.com page load time and found that the first response time was 246 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

tango-vienna.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

92/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

tango-vienna.com

246 ms

www.tango-vienna.com

246 ms

calendar.php

981 ms

tango.css

220 ms

javascripts.js

332 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Tango-vienna.com and no external sources were called. The less responsive or slowest element that took the longest time to load (981 ms) belongs to the original domain Tango-vienna.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.8 kB (82%)

Content Size

151.3 kB

After Optimization

26.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tango-vienna.com main page is 151.3 kB. 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 10% of websites need less resources to load. HTML takes 101.7 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 90.2 kB

  • Original 101.7 kB
  • After minification 97.3 kB
  • After compression 11.4 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 90.2 kB or 89% of the original size.

Image Optimization

-2%

Potential reduce by 214 B

  • Original 9.9 kB
  • After minification 9.6 kB

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. Tango Vienna images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 11.7 kB

  • Original 14.5 kB
  • After minification 11.5 kB
  • After compression 2.8 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 11.7 kB or 81% of the original size.

CSS Optimization

-89%

Potential reduce by 22.6 kB

  • Original 25.3 kB
  • After minification 19.5 kB
  • After compression 2.7 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. Tango-vienna.com needs all CSS files to be minified and compressed as it can save up to 22.6 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tango Vienna. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

tango-vienna.com accessibility score

41

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Internationalization and localization

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

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

tango-vienna.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

tango-vienna.com SEO score

62

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tango-vienna.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Tango-vienna.com main page’s claimed encoding is iso-8859-1. 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

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