Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

sky39.com

엑소스카이는 별과 사진에 관련된 모든 장비를 취급합니다.

Page Load Speed

14.1 sec in total

First Response

3.2 sec

Resources Loaded

10.5 sec

Page Rendered

466 ms

sky39.com screenshot

About Website

Visit sky39.com now to see the best up-to-date Sky 39 content for South Korea and also check out these interesting facts you probably never knew about sky39.com

광각기기 전문 쇼핑몰로 전세계 다양한 상품을 구비하고 있으며, 별과 은하수에 관련된 모든 솔루션과 풍경과 장노출 사진용 필터와 카본 삼각대를 준비하고 있습니다. 아스트로랩스와 모션 달리, 그리고 하모닉 적도의를 생산합니다.

Visit sky39.com

Key Findings

We analyzed Sky39.com page load time and found that the first response time was 3.2 sec and then it took 11 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

sky39.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

www.sky39.com

3163 ms

style.css

670 ms

today_goods.js

449 ms

javascript.js

689 ms

flash.js

477 ms

Our browser made a total of 186 requests to load all elements on the main page. We found that 98% of them (182 requests) were addressed to the original Sky39.com, 1% (2 requests) were made to Img.usafe.co.kr and 1% (2 requests) were made to Cnf.http.or.kr. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Sky39.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 374.0 kB (45%)

Content Size

834.1 kB

After Optimization

460.1 kB

In fact, the total size of Sky39.com main page is 834.1 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. 45% of websites need less resources to load. Images take 486.6 kB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 269.0 kB

  • Original 284.0 kB
  • After minification 238.0 kB
  • After compression 14.9 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 46.0 kB, which is 16% 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 269.0 kB or 95% of the original size.

Image Optimization

-11%

Potential reduce by 52.7 kB

  • Original 486.6 kB
  • After minification 433.9 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, Sky 39 needs image optimization as it can save up to 52.7 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

-82%

Potential reduce by 46.9 kB

  • Original 56.9 kB
  • After minification 43.8 kB
  • After compression 10.0 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 46.9 kB or 82% of the original size.

CSS Optimization

-80%

Potential reduce by 5.3 kB

  • Original 6.7 kB
  • After minification 5.2 kB
  • After compression 1.3 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. Sky39.com needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 78 (42%)

Requests Now

185

After Optimization

107

The browser has sent 185 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sky 39. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sky39.com accessibility score

47

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Tables and lists

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

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

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

Best Practices

sky39.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

sky39.com SEO score

69

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

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    N/A

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sky39.com can be misinterpreted by Google and other search engines. Our service has detected that Korean 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 Sky39.com main page’s claimed encoding is euc-kr. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Sky 39. 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: