scatterlab.co.kr SEO report

Scatter Lab - 스캐터랩

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64/ 100

OVERALL SEO SCORE

Review your next improvements

Checks are based on public HTML and responses. Review the evidence and recommended actions below.

Passed20
Needs review10
Not checked1
Analyzed Checks 31

The score excludes checks that could not be completed.

Screenshot

PagePeeker
scatterlab.co.kr
scatterlab.co.kr Screenshot

NEXT STEPS

Recommended next steps

Up to four findings, ordered by check weight.

Detailed findings

Review the observed values, context and actions for each check.

02

Content and images

5 checks

Headings

Passed
H1 1 / H2 0 / H3 11

Headings organize a page into a main topic and supporting sections. This tool checks for one H1 and shows the saved H2-H6 structure.

Keep in mind

Use H1 for the main subject and H2/H3 for logical subsections, rather than selecting levels for visual size alone.

Image alt

Needs review
17 images; 1 with non-empty alt; 16 empty or missing

Alternative text conveys an image’s meaning. The count includes images with non-empty alt text.

Recommended action

Describe informative images in context. Empty alt="" can be appropriate for decorative images, so inspect their purpose before changing them.

Targets and suggested changes

Targethttps://www.facebook.com/tr?id=페이스북픽셀ID&ev=PageView&noscript=1

HTML response line 33 · /html/head/noscript[1]/img

Find the img tag using this URL. Describe informative content, or explicitly use empty alt for a decorative image. The text below is a placeholder; preserve existing classes, dimensions and other attributes.

View evidence and example changes
Observed content
<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=%ED%8E%98%EC%9D%B4%EC%8A%A4%EB%B6%81%ED%94%BD%EC%85%80ID&amp;ev=PageView&amp;noscript=1">
Example - adapt to the actual content and environment
<img src="https://www.facebook.com/tr?id=페이스북픽셀ID&amp;ev=PageView&amp;noscript=1" alt="Describe the actual image content">

For a decorative image:
<img src="https://www.facebook.com/tr?id=페이스북픽셀ID&amp;ev=PageView&amp;noscript=1" alt="">

Targethttps://opening-attachments.greetinghr.com/2025-05-20/a96d84ae-3b47-4045-bcaa-0b4029fc3b31/2025-05-2011.25.57.png.webp

HTML response line 319 · /html/body/div/div[2]/div/div[2]/div[2]/div[2]/div/div[2]/div/div/div/div/div/div[2]/div/div/img

Find the img tag using this URL. Describe informative content, or explicitly use empty alt for a decorative image. The text below is a placeholder; preserve existing classes, dimensions and other attributes.

View evidence and example changes
Observed content
<img alt="" src="https://opening-attachments.greetinghr.com/2025-05-20/a96d84ae-3b47-4045-bcaa-0b4029fc3b31/2025-05-2011.25.57.png.webp">
Example - adapt to the actual content and environment
<img src="https://opening-attachments.greetinghr.com/2025-05-20/a96d84ae-3b47-4045-bcaa-0b4029fc3b31/2025-05-2011.25.57.png.webp" alt="Describe the actual image content">

For a decorative image:
<img src="https://opening-attachments.greetinghr.com/2025-05-20/a96d84ae-3b47-4045-bcaa-0b4029fc3b31/2025-05-2011.25.57.png.webp" alt="">

Targethttps://opening-attachments.greetinghr.com/2025-05-15/693bc8a9-0756-4c8b-8a69-9f0723057473/2025-05-155.36.01.png.webp

HTML response line 319 · /html/body/div/div[2]/div/div[2]/div[2]/div[2]/div/div[2]/div/div/div/div/div/div[3]/div/div/img

Find the img tag using this URL. Describe informative content, or explicitly use empty alt for a decorative image. The text below is a placeholder; preserve existing classes, dimensions and other attributes.

View evidence and example changes
Observed content
<img alt="" src="https://opening-attachments.greetinghr.com/2025-05-15/693bc8a9-0756-4c8b-8a69-9f0723057473/2025-05-155.36.01.png.webp">
Example - adapt to the actual content and environment
<img src="https://opening-attachments.greetinghr.com/2025-05-15/693bc8a9-0756-4c8b-8a69-9f0723057473/2025-05-155.36.01.png.webp" alt="Describe the actual image content">

For a decorative image:
<img src="https://opening-attachments.greetinghr.com/2025-05-15/693bc8a9-0756-4c8b-8a69-9f0723057473/2025-05-155.36.01.png.webp" alt="">

Targethttps://opening-attachments.greetinghr.com/2025-05-22/8572f312-2a51-4c54-aca0-ae958d510e13/65F96D5A-5DCD-4B71-A441-BA726F76BF2A_1_105_c.jpeg.webp

HTML response line 319 · /html/body/div/div[2]/div/div[2]/div[2]/div[2]/div/div[3]/div/div/div[1]/div/div/div[1]/div/div/img

Find the img tag using this URL. Describe informative content, or explicitly use empty alt for a decorative image. The text below is a placeholder; preserve existing classes, dimensions and other attributes.

View evidence and example changes
Observed content
<img alt="" src="https://opening-attachments.greetinghr.com/2025-05-22/8572f312-2a51-4c54-aca0-ae958d510e13/65F96D5A-5DCD-4B71-A441-BA726F76BF2A_1_105_c.jpeg.webp">
Example - adapt to the actual content and environment
<img src="https://opening-attachments.greetinghr.com/2025-05-22/8572f312-2a51-4c54-aca0-ae958d510e13/65F96D5A-5DCD-4B71-A441-BA726F76BF2A_1_105_c.jpeg.webp" alt="Describe the actual image content">

For a decorative image:
<img src="https://opening-attachments.greetinghr.com/2025-05-22/8572f312-2a51-4c54-aca0-ae958d510e13/65F96D5A-5DCD-4B71-A441-BA726F76BF2A_1_105_c.jpeg.webp" alt="">

Targethttps://opening-attachments.greetinghr.com/2025-05-22/ca6db993-9d3f-4641-b9d3-544f6ffb265e/343A4E4A-7ABD-433E-B14E-4F595BE150F1_1_105_c.jpeg.webp

HTML response line 319 · /html/body/div/div[2]/div/div[2]/div[2]/div[2]/div/div[3]/div/div/div[2]/div/div/div[1]/div/div/img

Find the img tag using this URL. Describe informative content, or explicitly use empty alt for a decorative image. The text below is a placeholder; preserve existing classes, dimensions and other attributes.

View evidence and example changes
Observed content
<img alt="" src="https://opening-attachments.greetinghr.com/2025-05-22/ca6db993-9d3f-4641-b9d3-544f6ffb265e/343A4E4A-7ABD-433E-B14E-4F595BE150F1_1_105_c.jpeg.webp">
Example - adapt to the actual content and environment
<img src="https://opening-attachments.greetinghr.com/2025-05-22/ca6db993-9d3f-4641-b9d3-544f6ffb265e/343A4E4A-7ABD-433E-B14E-4F595BE150F1_1_105_c.jpeg.webp" alt="Describe the actual image content">

For a decorative image:
<img src="https://opening-attachments.greetinghr.com/2025-05-22/ca6db993-9d3f-4641-b9d3-544f6ffb265e/343A4E4A-7ABD-433E-B14E-4F595BE150F1_1_105_c.jpeg.webp" alt="">

16 targets; the first five are shown. Review the full saved list in the details below.

Language

Passed
ko

The html lang attribute identifies the document’s primary language and helps assistive software select pronunciation.

Keep in mind

Match lang to the main content and mark passages written in another language as appropriate.

Charset

Passed
utf-8

The encoding declaration tells clients how to decode text. It must match the actual response bytes.

Keep in mind

Keep the HTTP or HTML charset declaration consistent with the file encoding; use UTF-8 for UTF-8 content.

Text/HTML ratio

Needs review
3.35%

Tool reference range 15-70%; not an official ranking threshold.

This compares visible text length with HTML length. It cannot determine content quality or rankings on its own.

Recommended action

Do not add filler text to target a ratio. Check for useful HTML content and unnecessary markup.

Targets and suggested changes

Targethttps://www.scatterlab.co.kr/ko/intro

main / body

Check whether main content exists in the initial HTML. Consider server rendering for missing core text; do not add filler to target a ratio.

View evidence and example changes
Observed content
3.35%

Heading structure

Saved headings, up to 50 per level. Expand the H2-H6 lists when needed.

H11
H20
H311
H40
H50
H60
H1

H2 0View headings

No headings at this level.

H3 11View headings
Images and alternative text17 saved

Up to 100 images are saved. Review an image’s purpose when its alt text is empty.

URLImage alt
https://www.facebook.com/tr?id=페이스북픽셀ID&ev=PageView&noscript=1Empty or missing
https://opening-attachments.greetinghr.com/2025-05-20/1f5d7ef8-ecc7-45f8-b01f-d1de178f3fb9/Frame1.pnglogo
https://opening-attachments.greetinghr.com/2025-05-20/a96d84ae-3b47-4045-bcaa-0b4029fc3b31/2025-05-2011.25.57.png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-15/693bc8a9-0756-4c8b-8a69-9f0723057473/2025-05-155.36.01.png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-22/8572f312-2a51-4c54-aca0-ae958d510e13/65F96D5A-5DCD-4B71-A441-BA726F76BF2A_1_105_c.jpeg.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-22/ca6db993-9d3f-4641-b9d3-544f6ffb265e/343A4E4A-7ABD-433E-B14E-4F595BE150F1_1_105_c.jpeg.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-22/13fe728c-3668-44a3-ab85-aa83778bfd76/E98C3447-E3BA-47B1-85AB-A775B8D544BD_1_105_c.jpeg.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-22/34c2fd29-fa99-436b-a87d-2407adb63f85/B2F273EE-2EDE-4650-8F87-75A8E635657B_1_105_c.jpeg.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-12/afeaddc3-d45a-4c59-8edc-266718708770/2025-05-125.01.21.png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-22/8523d0f1-877d-4579-b329-455407408c8c/2025-05-2211.52.06.png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-22/b9a68b87-2d4a-47f7-ada5-5557c3096657/2025-05-2211.46.32.png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-15/e4ee0783-e3fc-447c-9ab8-3be11655ca34/2025-05-155.16.48.png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-05-15/d711b337-e3d5-4b38-9505-8c30956cd4c9/2025-05-155.36.08.png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2026-03-03/29f7e8fc-bfcc-43b9-90f7-e22aaf5b6048/lounge1.png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-06-12/bfa00d68-2c61-462b-a888-da8b9a8e978e/IMG_3790.JPG.webpEmpty or missing
https://opening-attachments.greetinghr.com/2026-03-03/02cb8552-96ba-4143-a67b-6e35ec5f49a4/kitchen1(1).png.webpEmpty or missing
https://opening-attachments.greetinghr.com/2025-06-13/7cd4177a-8e76-40df-9a42-0a3b79181179/IMG_3780-3.jpg.webpEmpty or missing
KeywordsFrequency and metadata

Word occurrence counts from extracted content, not search demand or keyword rankings.

ai18 새로운14 엔터테인먼트11 제타의10 ai가7 제타6 엔터테인먼트의6 제타는6 스캐터랩은6 이러한6 엔터테인먼트는6 스캐터랩5 사용5 사용자5 이는5 시간을5 단순히5 함께5 아니라5 직접5

Meta keywords · 채용, recruit, 면접, 인터뷰, 지원, 스타트업, 대기업, 회사, 직군, 신입, 경력, 무관, 정규직, 계약직, 대규모 채용, 신입채용, 경력채용, 무관채용, 계약직채용, 정규직채용, 채용공고, 수시채용, 인터뷰, 스캐터랩채용, 스캐터랩

Meta keywords do not contribute to this tool’s score.

04

Mobile experience

5 checks

Viewport

Passed
width=device-width

Viewport metadata enables device-width layouts. It is not a test of real mobile layout or touch targets.

Keep in mind

Check width=device-width, then inspect overflow, zoom, forms and buttons on a small screen.

Favicon

Passed
The current check passed.

This detects a link declaration for a browser icon, rather than verifying its rendered appearance.

Keep in mind

Check that the icon file loads and remains recognizable on light and dark browser surfaces.

Apple touch icon

Passed
The current check passed.

This detects a touch icon declaration for saved home-screen shortcuts.

Keep in mind

Review the icon’s dimensions, padding and background, then inspect it on an actual device.

Modern images

Passed
15/17

This detects WebP/AVIF from img src/srcset extensions and picture source types. Images whose format cannot be inferred from HTML, such as extensionless CDN URLs, may not be reflected in the count.

Keep in mind

Compare quality and file size, and inspect the actual delivered format in browser developer tools.

Lazy loading

Needs review
0/17

This detects loading="lazy" on img elements. Pages with few images can pass the tool’s heuristic without it.

Recommended action

Consider lazy loading below-the-fold images while keeping prominent first-screen images promptly available.

Targets and suggested changes

Targethttps://www.facebook.com/tr?id=페이스북픽셀ID&ev=PageView&noscript=1

HTML response line 33 · /html/head/noscript[1]/img

Add loading="lazy" only if this image is below the initial viewport. Keep prominent initial-viewport images eager.

View evidence and example changes
Observed content
<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=%ED%8E%98%EC%9D%B4%EC%8A%A4%EB%B6%81%ED%94%BD%EC%85%80ID&amp;ev=PageView&amp;noscript=1">
Example - adapt to the actual content and environment
<img src="https://www.facebook.com/tr?id=페이스북픽셀ID&amp;ev=PageView&amp;noscript=1" alt="" loading="lazy">

Targethttps://opening-attachments.greetinghr.com/2025-05-20/1f5d7ef8-ecc7-45f8-b01f-d1de178f3fb9/Frame1.png

HTML response line 319 · /html/body/div/div[2]/div/header/div/a/div/img

Add loading="lazy" only if this image is below the initial viewport. Keep prominent initial-viewport images eager.

View evidence and example changes
Observed content
<img alt="logo" src="https://opening-attachments.greetinghr.com/2025-05-20/1f5d7ef8-ecc7-45f8-b01f-d1de178f3fb9/Frame1.png">
Example - adapt to the actual content and environment
<img src="https://opening-attachments.greetinghr.com/2025-05-20/1f5d7ef8-ecc7-45f8-b01f-d1de178f3fb9/Frame1.png" alt="logo" loading="lazy">

Targethttps://opening-attachments.greetinghr.com/2025-05-20/a96d84ae-3b47-4045-bcaa-0b4029fc3b31/2025-05-2011.25.57.png.webp

HTML response line 319 · /html/body/div/div[2]/div/div[2]/div[2]/div[2]/div/div[2]/div/div/div/div/div/div[2]/div/div/img

Add loading="lazy" only if this image is below the initial viewport. Keep prominent initial-viewport images eager.

View evidence and example changes
Observed content
<img alt="" src="https://opening-attachments.greetinghr.com/2025-05-20/a96d84ae-3b47-4045-bcaa-0b4029fc3b31/2025-05-2011.25.57.png.webp">
Example - adapt to the actual content and environment
<img src="https://opening-attachments.greetinghr.com/2025-05-20/a96d84ae-3b47-4045-bcaa-0b4029fc3b31/2025-05-2011.25.57.png.webp" alt="" loading="lazy">

Targethttps://opening-attachments.greetinghr.com/2025-05-15/693bc8a9-0756-4c8b-8a69-9f0723057473/2025-05-155.36.01.png.webp

HTML response line 319 · /html/body/div/div[2]/div/div[2]/div[2]/div[2]/div/div[2]/div/div/div/div/div/div[3]/div/div/img

Add loading="lazy" only if this image is below the initial viewport. Keep prominent initial-viewport images eager.

View evidence and example changes
Observed content
<img alt="" src="https://opening-attachments.greetinghr.com/2025-05-15/693bc8a9-0756-4c8b-8a69-9f0723057473/2025-05-155.36.01.png.webp">
Example - adapt to the actual content and environment
<img src="https://opening-attachments.greetinghr.com/2025-05-15/693bc8a9-0756-4c8b-8a69-9f0723057473/2025-05-155.36.01.png.webp" alt="" loading="lazy">

Targethttps://opening-attachments.greetinghr.com/2025-05-22/8572f312-2a51-4c54-aca0-ae958d510e13/65F96D5A-5DCD-4B71-A441-BA726F76BF2A_1_105_c.jpeg.webp

HTML response line 319 · /html/body/div/div[2]/div/div[2]/div[2]/div[2]/div/div[3]/div/div/div[1]/div/div/div[1]/div/div/img

Add loading="lazy" only if this image is below the initial viewport. Keep prominent initial-viewport images eager.

View evidence and example changes
Observed content
<img alt="" src="https://opening-attachments.greetinghr.com/2025-05-22/8572f312-2a51-4c54-aca0-ae958d510e13/65F96D5A-5DCD-4B71-A441-BA726F76BF2A_1_105_c.jpeg.webp">
Example - adapt to the actual content and environment
<img src="https://opening-attachments.greetinghr.com/2025-05-22/8572f312-2a51-4c54-aca0-ae958d510e13/65F96D5A-5DCD-4B71-A441-BA726F76BF2A_1_105_c.jpeg.webp" alt="" loading="lazy">

17 targets; the first five are shown. Review the full saved list in the details below.

05

Technical checks

8 checks

Doctype

Passed
html

The doctype declaration helps browsers render HTML in standards mode.

Keep in mind

Place <!doctype html> at the start of the document and check for unintended output before it.

CSS files

Needs review
7

Tool heuristic: up to 4 external files

This counts external stylesheet declarations. Count alone does not measure transfer size, caching or render blocking.

Recommended action

Inspect duplicate or unused CSS and render blocking, then prioritize changes using actual performance measurements.

Targets and suggested changes

Targethttps://www.scatterlab.co.kr/_next/static/chunks/211uast00ykyb.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/link[13]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<link rel="stylesheet" href="/_next/static/chunks/211uast00ykyb.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81" data-n-g="">

Targethttps://www.scatterlab.co.kr/_next/static/chunks/2ppoloexpk3z-.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/link[14]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<link rel="stylesheet" href="/_next/static/chunks/2ppoloexpk3z-.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81" data-n-g="">

Targethttps://www.scatterlab.co.kr/_next/static/chunks/1130gi7-lwu_u.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/link[15]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<link rel="stylesheet" href="/_next/static/chunks/1130gi7-lwu_u.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81" data-n-g="">

Targethttps://www.scatterlab.co.kr/_next/static/chunks/1kdz_1q0e6iun.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/link[16]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<link rel="stylesheet" href="/_next/static/chunks/1kdz_1q0e6iun.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81" data-n-g="">

Targethttps://www.scatterlab.co.kr/_next/static/chunks/32dcuij6_v_zn.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/link[17]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<link rel="stylesheet" href="/_next/static/chunks/32dcuij6_v_zn.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81" data-n-g="">

7 targets; the first five are shown. Review the full saved list in the details below.

JavaScript files

Needs review
30

Tool heuristic: up to 6 external files

This counts script elements with src attributes. File count alone cannot measure execution cost or responsiveness.

Recommended action

Review duplicated scripts and expensive startup work; consider defer, async or delayed execution where appropriate.

Targets and suggested changes

Targethttps://www.googletagmanager.com/gtag/js?id=추적ID

HTML response line 1 · /html/head/script[1]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<script async="" src="https://www.googletagmanager.com/gtag/js?id=%EC%B6%94%EC%A0%81ID" data-next-head=""></script>

Targethttps://www.scatterlab.co.kr/_next/static/chunks/0cz1d0mv5g_q7.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/script[5]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<script defer nomodule="" src="/_next/static/chunks/0cz1d0mv5g_q7.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81"></script>

Targethttps://www.scatterlab.co.kr/_next/static/chunks/0quedo8ouww36.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/script[6]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<script src="/_next/static/chunks/0quedo8ouww36.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81" defer></script>

Targethttps://www.scatterlab.co.kr/_next/static/chunks/0j3yxz156byr0.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/script[7]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<script src="/_next/static/chunks/0j3yxz156byr0.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81" defer></script>

Targethttps://www.scatterlab.co.kr/_next/static/chunks/1b_jiv23sj72_.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81

HTML response line 34 · /html/head/script[8]

This file is referenced by the page. Find duplicate tags and remove or conditionally load files that are unused here. File count alone does not establish a defect in this file.

View evidence and example changes
Observed content
<script src="/_next/static/chunks/1b_jiv23sj72_.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b81" defer></script>

30 targets; the first five are shown. Review the full saved list in the details below.

Compression

Passed
gzip

This checks the HTML Content-Encoding header. Compression can reduce transfer size, with savings depending on the response.

Keep in mind

Review text compression on the server or CDN, treating already compressed image formats separately.

Security headers

Needs review
1/6

Tool heuristic: at least 3 of 6 selected headers present

This detects selected security-related response headers. Their count does not establish policy quality or protection.

Recommended action

Review CSP, HSTS and other values for the application, then test for blocked resources or broken functionality.

Targets and suggested changes

Targethttps://www.scatterlab.co.kr/ko/intro

Web server / CDN response headers

These headers were absent. Configure response headers in the actual server/CDN settings: .htaccess or VirtualHost for Apache, or the Nginx server block. Validate the two example headers first; design CSP/HSTS for the real resources and HTTPS policy. The actual server configuration path is not visible to this tool.

View evidence and example changes
Observed content
content-security-policy
x-content-type-options
x-frame-options
referrer-policy
permissions-policy
Example - adapt to the actual content and environment
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin

HTTPS

Passed
https://www.scatterlab.co.kr/ko/intro

This checks whether the final analyzed page used HTTPS. It is not a security audit of the whole site.

Keep in mind

Review certificate validity, mixed content and HTTPS on important linked pages and forms.

HTTPS redirect

Passed
https://www.scatterlab.co.kr/ko/intro

This checks whether a request starting over HTTP ends on HTTPS.

Keep in mind

Configure consistent HTTP-to-HTTPS redirects and check for unnecessary chains or loops.

W3C validity

Not checked
Not verified in this analysis.

These are HTML validation results from W3C Nu, not a ranking, accessibility or security certification.

Recommended action

Check network restrictions and provider availability before retrying. An unknown result is not a confirmed failure or a zero score.

CSS files and locations7 saved

Up to 100 files per type are saved. File count alone does not establish a defect in any file.

URLHTML response location
https://www.scatterlab.co.kr/_next/static/chunks/211uast00ykyb.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/link[13]
https://www.scatterlab.co.kr/_next/static/chunks/2ppoloexpk3z-.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/link[14]
https://www.scatterlab.co.kr/_next/static/chunks/1130gi7-lwu_u.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/link[15]
https://www.scatterlab.co.kr/_next/static/chunks/1kdz_1q0e6iun.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/link[16]
https://www.scatterlab.co.kr/_next/static/chunks/32dcuij6_v_zn.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/link[17]
https://www.scatterlab.co.kr/_next/static/chunks/0d330lpdrosr-.css?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/link[18]
https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css294 · /html/body/link[1]
JavaScript files and locations30 saved

Up to 100 files per type are saved. File count alone does not establish a defect in any file.

URLHTML response location
https://www.googletagmanager.com/gtag/js?id=추적ID1 · /html/head/script[1]
https://www.scatterlab.co.kr/_next/static/chunks/0cz1d0mv5g_q7.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[5]
https://www.scatterlab.co.kr/_next/static/chunks/0quedo8ouww36.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[6]
https://www.scatterlab.co.kr/_next/static/chunks/0j3yxz156byr0.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[7]
https://www.scatterlab.co.kr/_next/static/chunks/1b_jiv23sj72_.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[8]
https://www.scatterlab.co.kr/_next/static/chunks/2hv2tf7-77opd.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[9]
https://www.scatterlab.co.kr/_next/static/chunks/2hn2_u4z8uie2.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[10]
https://www.scatterlab.co.kr/_next/static/chunks/22wf-3br4_r8m.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[11]
https://www.scatterlab.co.kr/_next/static/chunks/1py973isazf2t.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[12]
https://www.scatterlab.co.kr/_next/static/chunks/3yxqyw-fbvzr_.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[13]
https://www.scatterlab.co.kr/_next/static/chunks/0njs7ge4p8opg.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[14]
https://www.scatterlab.co.kr/_next/static/chunks/0i2uffk2eckeu.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[15]
https://www.scatterlab.co.kr/_next/static/chunks/2245fmbceml5k.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[16]
https://www.scatterlab.co.kr/_next/static/chunks/3fb7la-7_mp2p.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[17]
https://www.scatterlab.co.kr/_next/static/chunks/1g_3uztgv45xy.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[18]
https://www.scatterlab.co.kr/_next/static/chunks/41a2t6_uotbk8.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[19]
https://www.scatterlab.co.kr/_next/static/chunks/turbopack-3pvg1pfc7opmy.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[20]
https://www.scatterlab.co.kr/_next/static/chunks/3a3jk5vzof7rm.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[21]
https://www.scatterlab.co.kr/_next/static/chunks/0y0-jqswvq7bw.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[22]
https://www.scatterlab.co.kr/_next/static/chunks/1vq_ow1asbucz.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[23]
https://www.scatterlab.co.kr/_next/static/chunks/3_fseyl43a4a2.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[24]
https://www.scatterlab.co.kr/_next/static/chunks/1kk_gi1lmsqsy.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[25]
https://www.scatterlab.co.kr/_next/static/chunks/3ewx2e7dyze7_.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[26]
https://www.scatterlab.co.kr/_next/static/chunks/3dzdl6x84_of2.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[27]
https://www.scatterlab.co.kr/_next/static/chunks/3p717x0_rtdgj.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[28]
https://www.scatterlab.co.kr/_next/static/chunks/turbopack-2c4i9rw3agwrf.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[29]
https://www.scatterlab.co.kr/_next/static/build-TfctsWXpff2fKS/_buildManifest.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[30]
https://www.scatterlab.co.kr/_next/static/build-TfctsWXpff2fKS/_ssgManifest.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[31]
https://www.scatterlab.co.kr/_next/static/build-TfctsWXpff2fKS/_clientMiddlewareManifest.js?dpl=f16736d4d5d96513e4c43d11cb4ca7c0c11c0b8134 · /html/head/script[32]
https://www.scatterlab.co.kr/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js329 · /html/body/script[1]
Security response headersView values
strict-transport-security
max-age=31536000; includeSubDomains
content-security-policy
Not found
x-content-type-options
Not found
x-frame-options
Not found
referrer-policy
Not found
permissions-policy
Not found
W3C messages0 saved

The external service is unavailable. Please try again later.

06

Search and AI crawlers

4 checks

Robots.txt

Passed
robots.txt

This checks the robots.txt response. File presence does not verify all crawler permissions or actual indexing.

Keep in mind

Review bot and path rules for your intended policy. Protect private information with authentication and access controls.

XML Sitemap

Passed
https://www.scatterlab.co.kr/sitemap.xml

This detects a sitemap format at a declared or default URL. It does not crawl and validate every listed URL.

Keep in mind

Include intended canonical URLs and meaningful update dates. Declare a custom sitemap location in robots.txt.

llms.txt

Needs review
The expected configuration was not detected.

This checks for a text response at /llms.txt. Its presence does not guarantee use by an AI service or search visibility.

Recommended action

If you publish one, describe public resources accurately and keep its content and links current.

Targets and suggested changes

Targethttps://www.scatterlab.co.kr/llms.txt

/llms.txt

If desired, publish UTF-8 text at the root and add real public documentation links. This is optional.

View evidence and example changes
Example - adapt to the actual content and environment
# Scatter Lab - 스캐터랩

- [Home](https://www.scatterlab.co.kr/ko/intro)

AI crawlers

Passed
AI search/answer bots allowed 5/5 · training bots allowed 3/3

Passes when every AI search/answer bot is allowed; training bots are shown for reference only

This interprets root-path robots.txt rules for five AI search/answer bots (which read pages to cite them in answers) and three training bots. Only the search/answer bots decide the result; training bots are shown for reference. Actual citations are not checked.

Keep in mind

Allow the search/answer bots if you want to be cited in AI answers. Blocking training crawlers is a policy choice and does not affect this result.

Bot access to the root path

OAI-SearchBot Search/answerAllowed
ChatGPT-User Search/answerAllowed
Claude-SearchBot Search/answerAllowed
Claude-User Search/answerAllowed
PerplexityBot Search/answerAllowed
GPTBot TrainingAllowed
ClaudeBot TrainingAllowed
Google-Extended TrainingAllowed
robots.txt sourceExpand
User-agent: *
Allow: /
Disallow: /o/*/apply
Disallow: /ko/o/*/apply
Disallow: /en/o/*/apply
Disallow: /m/*
Disallow: /a/*
Disallow: /ko/a/*
Disallow: /en/a/*

Sitemap: https://www.scatterlab.co.kr/sitemap.xml
07

PageSpeed Insights

External performance test

Run Google Lighthouse performance, accessibility, best practices and SEO checks. Device-specific results are cached for one day and are separate from the overall score above.