Tools & Wizards About Us
swiftenglishonline.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

swiftenglishonline.com

Clases de ingles online. Cursos de ingles SWIFT ENGLISH ONLINE

Page Load Speed

2 sec in total

First Response

323 ms

Resources Loaded

1.5 sec

Page Rendered

196 ms

swiftenglishonline.com screenshot

About Website

Welcome to swiftenglishonline.com homepage info - get ready to check SWIFT ENGLISH Online best content right away, or after learning these important things about swiftenglishonline.com

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Visit swiftenglishonline.com

Key Findings

We analyzed Swiftenglishonline.com page load time and found that the first response time was 323 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

swiftenglishonline.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value3,710 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

swiftenglishonline.com

323 ms

styles.css

315 ms

jquery.min.js

7 ms

jquery-ui.min.js

40 ms

funciones.min.js

216 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 45% of them (25 requests) were addressed to the original Swiftenglishonline.com, 23% (13 requests) were made to Platform.twitter.com and 9% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (790 ms) belongs to the original domain Swiftenglishonline.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.2 kB (16%)

Content Size

516.2 kB

After Optimization

432.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Swiftenglishonline.com main page is 516.2 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. 70% of websites need less resources to load. Javascripts take 281.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 17.1 kB

  • Original 22.7 kB
  • After minification 17.9 kB
  • After compression 5.6 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. This page needs HTML code to be minified as it can gain 4.7 kB, which is 21% 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 17.1 kB or 75% of the original size.

Image Optimization

-48%

Potential reduce by 59.8 kB

  • Original 125.0 kB
  • After minification 65.3 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. Obviously, SWIFT ENGLISH Online needs image optimization as it can save up to 59.8 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 2.6 kB

  • Original 281.6 kB
  • After minification 281.6 kB
  • After compression 279.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 4.7 kB

  • Original 86.9 kB
  • After minification 86.9 kB
  • After compression 82.2 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. Swiftenglishonline.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (38%)

Requests Now

50

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SWIFT ENGLISH Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

swiftenglishonline.com

swiftenglishonline.com

323 ms

styles.css

styles.css

315 ms

jquery.min.js

jquery.min.js

7 ms

jquery-ui.min.js

jquery-ui.min.js

40 ms

funciones.min.js

funciones.min.js

216 ms

calvertmtstd-webfont.woff

calvertmtstd-webfont.woff

643 ms

calvertmtstd-bold-webfont.woff

calvertmtstd-bold-webfont.woff

790 ms

ga.js

ga.js

58 ms

banner-monitor.png

banner-monitor.png

98 ms

widgets.js

widgets.js

20 ms

header-nav-bg.png

header-nav-bg.png

391 ms

logo-swift.png

logo-swift.png

392 ms

login-bg.png

login-bg.png

392 ms

menu-li-bg.png

menu-li-bg.png

393 ms

nav-li-bg.png

nav-li-bg.png

392 ms

gplus-32.png

gplus-32.png

393 ms

banner-bg.png

banner-bg.png

394 ms

banner-info.png

banner-info.png

392 ms

banner-oferta.png

banner-oferta.png

438 ms

nivel-home.png

nivel-home.png

438 ms

bg-youtube.png

bg-youtube.png

437 ms

clase-home.png

clase-home.png

437 ms

destacados-h3.png

destacados-h3.png

568 ms

twitter-ico.png

twitter-ico.png

569 ms

banner_boletin_fondotransparente.png

banner_boletin_fondotransparente.png

726 ms

youtube-bg.png

youtube-bg.png

568 ms

youtube-ico.png

youtube-ico.png

595 ms

quelinka-logo.png

quelinka-logo.png

595 ms

YkrHO4K8qG4

YkrHO4K8qG4

113 ms

calvertmtstd-light-webfont.woff

calvertmtstd-light-webfont.woff

716 ms

__utm.gif

__utm.gif

15 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

33 ms

settings

settings

328 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

29 ms

base.js

base.js

52 ms

ad_status.js

ad_status.js

165 ms

zF_vPuIB9TmKXIhqGvs4Q-1RpaRIMS8epygYjX9fevg.js

zF_vPuIB9TmKXIhqGvs4Q-1RpaRIMS8epygYjX9fevg.js

120 ms

embed.js

embed.js

53 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

32 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

38 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

120 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

130 ms

id

id

35 ms

Create

Create

119 ms

embeds

embeds

93 ms

follow_button.2f70fb173b9000da126c79afe2098f02.es.html

follow_button.2f70fb173b9000da126c79afe2098f02.es.html

90 ms

senglishonline

senglishonline

112 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

10 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

8 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

108 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

106 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

139 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

140 ms

_buildManifest.js

_buildManifest.js

149 ms

_ssgManifest.js

_ssgManifest.js

149 ms

Accessibility Review

swiftenglishonline.com accessibility score

55

Accessibility Issues

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

Links do not have a discernible name

High

<object> elements do not have alternate text

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

swiftenglishonline.com best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

swiftenglishonline.com SEO score

62

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swiftenglishonline.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish 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 Swiftenglishonline.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

swiftenglishonline.com

Open Graph description is not detected on the main page of SWIFT ENGLISH Online. 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: