Access cosmosmusic.com. (주)코스모스악기

name

value

score

weighting

FCP (First Contentful Paint)

Value12.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value46.0 s

0/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value34.4 s

0/100

10%

cosmosmusic.com

539 ms

www.cosmosmusic.com

1477 ms

bootstrap.css

1224 ms

style.css

1765 ms

dark.css

892 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 95% of them (82 requests) were addressed to the original Cosmosmusic.com, 2% (2 requests) were made to Googletagmanager.com and 1% (1 request) were made to Wcs.naver.net. The less responsive or slowest element that took the longest time to load (10.4 sec) belongs to the original domain Cosmosmusic.com.

Content Size

10.1 MB

After Optimization

7.7 MB

In fact, the total size of Cosmosmusic.com main page is 10.1 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. 60% of websites need less resources to load. Images take 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 79.8 kB

Original 91.6 kB
After minification 59.7 kB
After compression 11.8 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 31.9 kB, which is 35% 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 79.8 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 822.6 kB

Original 8.1 MB
After minification 7.3 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. Cosmosmusic images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 764.7 kB

Original 1.1 MB
After minification 1.0 MB
After compression 305.5 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 764.7 kB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 749.0 kB

Original 846.6 kB
After minification 660.3 kB
After compression 97.6 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. Cosmosmusic.com needs all CSS files to be minified and compressed as it can save up to 749.0 kB or 88% of the original size.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cosmosmusic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 11 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

KO
Language Claimed

KO
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cosmosmusic.com can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and it matches the claimed language. Our system also found out that Cosmosmusic.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

cosmosmusic.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

(주)코스모스악기

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

cosmosmusic.com

www.cosmosmusic.com

bootstrap.css

style.css

dark.css

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

cosmosmusic.com

www.cosmosmusic.com

bootstrap.css

style.css

dark.css

font-icons.css

animate.css

magnific-popup.css

responsive.css

settings.css

layers.css

navigation.css

js

wcslog.js

jquery.js

plugins.js

functions.js

jquery.themepunch.tools.min.js

jquery.themepunch.revolution.min.js

revolution.extension.video.min.js

revolution.extension.slideanims.min.js

revolution.extension.actions.min.js

revolution.extension.layeranimation.min.js

revolution.extension.kenburn.min.js

revolution.extension.navigation.min.js

revolution.extension.migration.min.js

revolution.extension.parallax.min.js

spoqahansans.css

logo.png

logo@2x.png

piano.jpg

organ.jpg

guitar.jpg

elec.jpg

woodwind.jpg

brass.jpg

string.jpg

drum.jpg

accordion.jpg

fashion.jpg

20240516_EVENT_BG.jpg

20240516_EVENT_FG2.png

BG_00000.jpg