Tools & Wizards About Us
koreanclass101.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

koreanclass101.com

Learn Korean Online - KoreanClass101

Page Load Speed

15.9 sec in total

First Response

227 ms

Resources Loaded

9.8 sec

Page Rendered

5.8 sec

koreanclass101.com screenshot

About Website

Visit koreanclass101.com now to see the best up-to-date Korean Class101 content for United States and also check out these interesting facts you probably never knew about koreanclass101.com

The fastest, easiest, and most fun way to learn Korean and Korean culture. Start speaking Korean in minutes with audio and video lessons, audio dictionary, and learning community!

Visit koreanclass101.com

Key Findings

We analyzed Koreanclass101.com page load time and found that the first response time was 227 ms and then it took 15.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

koreanclass101.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value1,360 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

koreanclass101.com

227 ms

www.koreanclass101.com

1075 ms

gtm.js

3297 ms

analytics.js

3064 ms

jquery-1.6.2.min.js

1112 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 89% of them (39 requests) were addressed to the original Koreanclass101.com, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Koreanclass101.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (63%)

Content Size

1.8 MB

After Optimization

671.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koreanclass101.com main page is 1.8 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. 50% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.9 kB

  • Original 34.4 kB
  • After minification 30.1 kB
  • After compression 8.4 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. This page needs HTML code to be minified as it can gain 4.3 kB, which is 12% 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 25.9 kB or 75% of the original size.

Image Optimization

-11%

Potential reduce by 27.3 kB

  • Original 254.7 kB
  • After minification 227.3 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, Korean Class101 needs image optimization as it can save up to 27.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 875.8 kB

  • Original 1.3 MB
  • After minification 1.1 MB
  • After compression 401.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 875.8 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 220.9 kB

  • Original 255.8 kB
  • After minification 245.0 kB
  • After compression 34.9 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. Koreanclass101.com needs all CSS files to be minified and compressed as it can save up to 220.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (53%)

Requests Now

40

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Korean Class101. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

koreanclass101.com

koreanclass101.com

227 ms

www.koreanclass101.com

www.koreanclass101.com

1075 ms

gtm.js

gtm.js

3297 ms

analytics.js

analytics.js

3064 ms

jquery-1.6.2.min.js

jquery-1.6.2.min.js

1112 ms

modernizr.custom.04188.js

modernizr.custom.04188.js

1570 ms

moernizr.extras.js

moernizr.extras.js

1570 ms

common.css

common.css

1569 ms

fla-funnel.css

fla-funnel.css

2113 ms

koreanclass101.css

koreanclass101.css

2112 ms

sign-in--a.js

sign-in--a.js

3082 ms

select--a.js

select--a.js

3139 ms

mailcheck.min.js

mailcheck.min.js

3057 ms

yepnope.js

yepnope.js

3056 ms

signup-home.js

signup-home.js

3000 ms

icn_downarrow_white.svg

icn_downarrow_white.svg

720 ms

icn_downarrow_black.svg

icn_downarrow_black.svg

623 ms

logo-mobile-transparent.svg

logo-mobile-transparent.svg

701 ms

logo-desktop-transparent.svg

logo-desktop-transparent.svg

625 ms

icn_padlock.svg

icn_padlock.svg

624 ms

btn_facebook.svg

btn_facebook.svg

743 ms

70.png

70.png

1065 ms

icon-1.png

icon-1.png

1006 ms

icon-2.png

icon-2.png

1046 ms

icon-3.png

icon-3.png

1006 ms

icon-4.png

icon-4.png

1069 ms

icon-5.png

icon-5.png

1437 ms

icon-6.png

icon-6.png

1438 ms

img_press_960.svg

img_press_960.svg

1069 ms

featured-by.svg

featured-by.svg

1437 ms

social-tweet.png

social-tweet.png

1734 ms

social-share.png

social-share.png

1691 ms

social-like.png

social-like.png

1392 ms

logo.svg

logo.svg

1691 ms

event_tracking.php

event_tracking.php

3468 ms

addthis_widget.js

addthis_widget.js

790 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

2183 ms

signup-home-video.js

signup-home-video.js

2569 ms

mediaelementplayer.css

mediaelementplayer.css

2567 ms

mejs-skins.css

mejs-skins.css

2181 ms

r101-dropdown-a.svg

r101-dropdown-a.svg

2478 ms

collect

collect

121 ms

collect

collect

1974 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

82 ms

Accessibility Review

koreanclass101.com accessibility score

100

Accessibility Issues

Best Practices

koreanclass101.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

koreanclass101.com SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koreanclass101.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Korean language. Our system also found out that Koreanclass101.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

koreanclass101.com

Open Graph data is detected on the main page of Korean Class101. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: