Tools & Wizards About Us

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sellfree.kr

:: 셀클럽 :: - 비즈니스|마케팅|유통|창업 정보 포털 커뮤니티

Page Load Speed

6.1 sec in total

First Response

429 ms

Resources Loaded

5.5 sec

Page Rendered

162 ms

About Website

Visit sellfree.kr now to see the best up-to-date Sellfree content and also check out these interesting facts you probably never knew about sellfree.kr

온라인 비즈니스 운영자들이 만들어가는 공간으로 관련정보 및 운영노하우를 함께 나누는 열린 커뮤니티입니다.

Visit sellfree.kr

Key Findings

We analyzed Sellfree.kr page load time and found that the first response time was 429 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sellfree.kr performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.179

67/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

index.php

429 ms

style.css

368 ms

head.sub.js

361 ms

common.js

369 ms

ajax_nohack.js

370 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 55% of them (63 requests) were addressed to the original Sellfree.kr, 44% (50 requests) were made to Sellfree.cdn1.cafe24.com and 1% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Sellfree.cdn1.cafe24.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 129.8 kB (42%)

Content Size

310.9 kB

After Optimization

181.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sellfree.kr main page is 310.9 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. 30% of websites need less resources to load. HTML takes 135.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 118.1 kB

  • Original 135.3 kB
  • After minification 114.3 kB
  • After compression 17.2 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 21.0 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 118.1 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 5.9 kB

  • Original 134.7 kB
  • After minification 128.7 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. Sellfree images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 5.2 kB

  • Original 38.9 kB
  • After minification 38.8 kB
  • After compression 33.6 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 5.2 kB or 13% of the original size.

CSS Optimization

-26%

Potential reduce by 557 B

  • Original 2.1 kB
  • After minification 2.1 kB
  • After compression 1.6 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. Sellfree.kr needs all CSS files to be minified and compressed as it can save up to 557 B or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 78 (69%)

Requests Now

113

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sellfree. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sellfree.kr accessibility score

85

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sellfree.kr best practices score

67

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

SEO Factors

sellfree.kr SEO score

83

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    KO

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sellfree.kr 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 Sellfree.kr 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 data is detected on the main page of Sellfree. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: