Tools & Wizards About Us
history-of-tango.com screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

history-of-tango.com

The History of Tango - 150 years of Tango Dance and Music History

Page Load Speed

2.1 sec in total

First Response

120 ms

Resources Loaded

1 sec

Page Rendered

1 sec

history-of-tango.com screenshot

About Website

Welcome to history-of-tango.com homepage info - get ready to check History Of Tango best content right away, or after learning these important things about history-of-tango.com

The History of Tango is fascinating and complex. The evolution of the dance has profound implications for the way we dance today. Tango music has become one of the great World Music genres.

Visit history-of-tango.com

Key Findings

We analyzed History-of-tango.com page load time and found that the first response time was 120 ms and then it took 2 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

history-of-tango.com performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

history-of-tango.com

120 ms

www.history-of-tango.com

287 ms

A.style.css.pagespeed.cf.kPKZ6qlsiq.css

22 ms

fix.js.pagespeed.jm.by72s1QuCJ.js

35 ms

sdk.js

36 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 85% of them (11 requests) were addressed to the original History-of-tango.com, 15% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (287 ms) belongs to the original domain History-of-tango.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.6 kB (27%)

Content Size

31.5 kB

After Optimization

22.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of History-of-tango.com main page is 31.5 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. 15% of websites need less resources to load. Images take 10.9 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 6.0 kB

  • Original 9.6 kB
  • After minification 9.2 kB
  • After compression 3.6 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 6.0 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 10.9 kB
  • After minification 10.9 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. History Of Tango images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 311 B

  • Original 2.8 kB
  • After minification 2.8 kB
  • After compression 2.5 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 311 B or 11% of the original size.

CSS Optimization

-28%

Potential reduce by 2.3 kB

  • Original 8.2 kB
  • After minification 8.2 kB
  • After compression 5.9 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. History-of-tango.com needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 28% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of History Of Tango. According to our analytics all requests are already optimized.

Network Requests Diagram

history-of-tango.com

history-of-tango.com

120 ms

www.history-of-tango.com

www.history-of-tango.com

287 ms

A.style.css.pagespeed.cf.kPKZ6qlsiq.css

A.style.css.pagespeed.cf.kPKZ6qlsiq.css

22 ms

fix.js.pagespeed.jm.by72s1QuCJ.js

fix.js.pagespeed.jm.by72s1QuCJ.js

35 ms

sdk.js

sdk.js

36 ms

background.gif.pagespeed.ce.o4LK-ITSdN.gif

background.gif.pagespeed.ce.o4LK-ITSdN.gif

57 ms

xbackimage.gif.pagespeed.ic.0eyS1YEgf0.png

xbackimage.gif.pagespeed.ic.0eyS1YEgf0.png

55 ms

xtop.gif.pagespeed.ic.db3cy3qF4V.png

xtop.gif.pagespeed.ic.db3cy3qF4V.png

56 ms

xleftimage.jpg.pagespeed.ic.Wk9XRmckwF.jpg

xleftimage.jpg.pagespeed.ic.Wk9XRmckwF.jpg

142 ms

xnavimage.gif.pagespeed.ic.I_F1NNXqHm.png

xnavimage.gif.pagespeed.ic.I_F1NNXqHm.png

135 ms

optima-webfont.woff

optima-webfont.woff

141 ms

agenda-webfont.woff

agenda-webfont.woff

132 ms

sdk.js

sdk.js

130 ms

Accessibility Review

history-of-tango.com accessibility score

94

Accessibility Issues

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

Best Practices

history-of-tango.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

history-of-tango.com SEO score

79

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise History-of-tango.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that History-of-tango.com 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

history-of-tango.com

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