Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

tangology101.com

Tangology 101 - Argentine Tango Atlanta - The Study of Argentine Tango Dance and Music

Page Load Speed

4.6 sec in total

First Response

385 ms

Resources Loaded

3.8 sec

Page Rendered

427 ms

About Website

Click here to check amazing Tangology 101 content for Russia. Otherwise, check out these important facts you probably never knew about tangology101.com

Tangology 101 is dedicated to the study of Argentine Tango dance, music and history. We also have weekly Atlanta tango classes as well as our classes in Macon and Athens, Georgia.

Visit tangology101.com

Key Findings

We analyzed Tangology101.com page load time and found that the first response time was 385 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

tangology101.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value29.9 s

0/100

25%

SI (Speed Index)

Value20.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,200 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value29.5 s

0/100

10%

Network Requests Diagram

tangology101.com

385 ms

jwplayer.js

212 ms

css

39 ms

css

55 ms

css

61 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 33% of them (24 requests) were addressed to the original Tangology101.com, 15% (11 requests) were made to Fonts.gstatic.com and 14% (10 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Tangology101.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.6 kB (13%)

Content Size

2.0 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tangology101.com 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. 75% 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 80.8 kB

  • Original 94.0 kB
  • After minification 68.6 kB
  • After compression 13.1 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 25.3 kB, which is 27% 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 80.8 kB or 86% of the original size.

Image Optimization

-6%

Potential reduce by 68.4 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. Tangology 101 images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 97.4 kB

  • Original 559.6 kB
  • After minification 559.6 kB
  • After compression 462.3 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 97.4 kB or 17% of the original size.

CSS Optimization

-15%

Potential reduce by 19.0 kB

  • Original 124.7 kB
  • After minification 124.7 kB
  • After compression 105.7 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. Tangology101.com needs all CSS files to be minified and compressed as it can save up to 19.0 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (46%)

Requests Now

57

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tangology 101. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tangology101.com accessibility score

74

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

tangology101.com best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tangology101.com SEO score

89

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

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 Tangology101.com 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 Tangology101.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

Open Graph data is detected on the main page of Tangology 101. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: