Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

blackhead.co.kr

블랙헤드-트러블 케어 - 15195867 국내 최대 쇼핑몰-미샤, 더페이스샵, 토니모리, 케어존, 비욘드, 어퓨, 갸스비, 구달, 닥터자르트, 비페스타, 이니스프리, ACfine, 더샘, 셀라피, A24, 캘리포니안네이처, 메디힐, 스킨푸드, 더마토리, 히솝, 네이처리...

Page Load Speed

4.7 sec in total

First Response

460 ms

Resources Loaded

4.1 sec

Page Rendered

152 ms

blackhead.co.kr screenshot

About Website

Welcome to blackhead.co.kr homepage info - get ready to check Blackhead best content right away, or after learning these important things about blackhead.co.kr

미샤, 더페이스샵, 토니모리, 케어존, 비욘드, 어퓨, 갸스비, 구달, 닥터자르트, 비페스타, 이니스프리, ACfine, 더샘, 셀라피, A24, 캘리포니안네이처, 메디힐, 스킨푸드, 더마토리, 히솝, 네이처리퍼블릭, 데이셀, 맨담, 이지엔, 닥터포헤어, 나이팅게일, 댕기머리, 라끄베르, 라보케어, 수려한, 아방가드로, 에뛰드, 엔프라니, 이브퐁루아, JN...

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Key Findings

We analyzed Blackhead.co.kr page load time and found that the first response time was 460 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

blackhead.co.kr performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

Main.php

460 ms

StyleSheet.css

391 ms

Function.js

386 ms

Top.js

389 ms

RankingList.js

388 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 95% of them (37 requests) were addressed to the original Blackhead.co.kr, 3% (1 request) were made to Pgweb.dacom.net and 3% (1 request) were made to Pgweb.uplus.co.kr. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Pgweb.uplus.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.6 kB (40%)

Content Size

199.9 kB

After Optimization

120.3 kB

In fact, the total size of Blackhead.co.kr main page is 199.9 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. 20% of websites need less resources to load. Images take 111.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 38.6 kB

  • Original 46.8 kB
  • After minification 43.4 kB
  • After compression 8.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.6 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 6.8 kB

  • Original 111.4 kB
  • After minification 104.6 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. Blackhead images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 14.0 kB

  • Original 19.4 kB
  • After minification 14.8 kB
  • After compression 5.4 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 14.0 kB or 72% of the original size.

CSS Optimization

-90%

Potential reduce by 20.2 kB

  • Original 22.3 kB
  • After minification 19.9 kB
  • After compression 2.1 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. Blackhead.co.kr needs all CSS files to be minified and compressed as it can save up to 20.2 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (43%)

Requests Now

37

After Optimization

21

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackhead. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

blackhead.co.kr accessibility score

36

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

blackhead.co.kr best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

blackhead.co.kr SEO score

67

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 Blackhead.co.kr 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 Blackhead.co.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 description is not detected on the main page of Blackhead. 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: