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name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value10,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value29.8 s

0/100

10%

dansschool-salsacool.be

3103 ms

sIFR-screen.css

214 ms

site.css

211 ms

pngfix.js.js

209 ms

sifr-config.js

209 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 55% of them (49 requests) were addressed to the original Dansschool-salsacool.be, 18% (16 requests) were made to Jnn-pa.googleapis.com and 13% (12 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Okapi-events.com.

Content Size

3.2 MB

After Optimization

2.4 MB

In fact, the total size of Dansschool-salsacool.be main page is 3.2 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. Only a small number of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 487.1 kB

Original 536.4 kB
After minification 531.2 kB
After compression 49.3 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 487.1 kB or 91% of the original size.

Image Optimization

-10%

Potential reduce by 222.8 kB

Original 2.3 MB
After minification 2.1 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. Dansschool Salsacool images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 121.4 kB

Original 310.6 kB
After minification 294.6 kB
After compression 189.2 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 121.4 kB or 39% of the original size.

CSS Optimization

-16%

Potential reduce by 11.7 kB

Original 74.3 kB
After minification 70.9 kB
After compression 62.5 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. Dansschool-salsacool.be needs all CSS files to be minified and compressed as it can save up to 11.7 kB or 16% of the original size.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dansschool Salsacool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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 Dansschool-salsacool.be 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 Dansschool-salsacool.be 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

dansschool-salsacool.be

Open Graph description is not detected on the main page of Dansschool Salsacool. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

Salsa lessen in Antwerpen vanaf 08 september 2020|Salsacursus in Antwerpen voor beginners salsa in Antwerpen| Gratis beginners salsa proefles op 08 se...

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

dansschool-salsacool.be

sIFR-screen.css

site.css

pngfix.js.js

sifr-config.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

dansschool-salsacool.be

sIFR-screen.css

site.css

pngfix.js.js

sifr-config.js

jquery-1.4.2.min.js

jquery.cycle.all.js

swfobject.js

0015_home_bayabi_2019.11.JPG

background_bt.png

logo4.png

home_3.jpg

home_1.jpg

home_2.jpg

official_logo.jpg

home_dan_ws_salsa_0001.jpg

home_dan_ws_countrylinedance_0001.jpg

home_coc_cocktailsmaken_0001.JPG

0010_home_Afrikaansedans.JPG

0007_home_ws_dansworkshops_2013.02.jpg

home_per_ws_djembeworkshop_0001.JPG

0009_home_ws_cocktails_shaken_2013.02.jpg

salsacool_be_0003.jpg

0001_adl_afrikaanse_dans_lessen_2013.02.jpg

0001_dsl_salsa_ladies_styling_2013_07.JPG

0001_dsl_salsa_beginners_2013_07.JPG

0001_dsl_salsa_semi_gevorderden_2013_07.JPG

0001_dansschool_djiba_2013.02.jpg

0001_sh_Afrikaansedans_2013.02.jpg

0003_home_scholen_ws_djembe_2013.02.jpg

0004_home_evenementen_2013.02.jpg

0005_home_vrijgezellenfeesten_2013.02.jpg

0006_home_workshops_2013.02.jpg

0010_home_djembe_huren_2013.02.JPG

0011_home_bayabi_2013.02.jpg

0017_home_bayabi_2019.11.jpg

0016_home_bayabi_2019.11.JPG

0019_home_bayabi_2019.11.jpg

0018_home_bayabi_2019.11.JPG

0012_home_bayabi_2019.11.JPG

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