www.ybmbooksam.com SEO Report

Pricing Free Tools Articles

Report generated 20 hours ago

https://www.ybmbooksam.com

Your general SEO Checkup Score

Archived

51/100

SEO Score

Average SEO score of top 100 sites: 75%

This website received an SEO score of 51 out of 100, which is below the average score of 75. However, there are 27 important issues that need to be fixed to improve your website's ranking on search engines and enhance its overall performance.

27 Failed

4 Warnings

43 Passed

Issues to fix

HIGH

To provide a good user experience, Google recommends that sites should aim for a Largest Contentful Paint duration of 2.5 seconds or less.

HIGH

To provide a good user experience, Google recommends that sites should aim for a Cumulative Layout Shift score of 0.1 or less.

HIGH

It is recommended to avoid URL parameters and to use hyphens to separate words in the URL structure, rather than underscores.

HIGH

Minify all JavaScript files to reduce page size and loading time.

HIGH

Enable HTML compression to reduce page size and loading times.

HIGH

To ensure that Search Engines can accurately identify the topic of this webpage, it is important to include the most common keywords in the title tag, meta description, and heading tags.

HIGH

Connect your webpage with social media networks using APIs or AddThis, as social signals are becoming increasingly important for search engines to validate a site's trustworthiness and authority.

HIGH

To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.

HIGH

Using images in a modern format can significantly reduce the file size and improve the loading speed of a webpage, providing a better user experience and potentially increasing engagement.

HIGH

Users may abandon pages that take longer than 5 seconds to load, resulting in a potential loss of up to 50% of visitors. Faster loading pages can lead to increased traffic, better conversions, and higher sales.

HIGH

Add descriptive and relevant "alt" attributes to all "img" tags to improve website accessibility.

HIGH

HTTP/2 protocol offers several key improvements, including faster page load times, improved performance, better security and more efficient use of network resources.

HIGH

Consider reducing the HTML size to improve loading times and retain visitors.

HIGH

By creating a custom 404 error page with helpful links and information, users are more likely to stay on the site and continue to explore.

MEDIUM

To provide a good user experience, Google recommends that sites should aim for a First Contentful Paint value of 1.8 seconds or less.

MEDIUM

Serve properly sized images to reduce page loading times and to improve user's experience.

MEDIUM

Avoid using distorted images, as they can have a negative impact on the user experience.

MEDIUM

Reducing the Document Object Model (DOM) size can lead to faster page loading times, improved site performance, and better user experience by decreasing the amount of time it takes for the browser to process and render the page.

MEDIUM

Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.

LOW

While a canonical link tag can help in resolving duplicate content issues, it's important to verify that the specified URL is accurate, especially if the site's URL structure has been recently updated.

LOW

Without an SPF record, spammers can easily spoof emails from this domain, potentially leading to compromised email security and deliverability issues.

LOW

To protect against spam harvesters, consider hiding or obfuscating email addresses in your page code.

LOW

Using more than 20 HTTP requests on a webpage can negatively impact the loading time.

LOW

Consider moving inline CSS styles to an external stylesheet to improve site performance and maintain separation of content and design.

LOW

Strip out any unnecessary metadata to improve loading time, security, and privacy. Metadata should not exceed 16% of the image size.

LOW

Avoid chained redirects, as they can affect the site loading time and cause indexing problems for search engines.

LOW

Consider adding the Strict-Transport-Security header to your webpage to ensure that web traffic is encrypted over HTTPS, mitigating the risk of man-in-the-middle attacks and other security threats.

Common SEO issues

Score: 52

Failed: 7

Warnings: 2

Passed: 17

Meta Title Test100% of top 100 sites passed

This webpage is using a title tag.

Text: YBM북샘(BOOKSAM) - YBM 참고서 콘텐츠 지원 사이트

Length: 35 characters

Meta Description Test92% of top 100 sites passed

This webpage is using a meta description tag with a length of 47 characters. We recommend using well-written and inviting meta descriptions with a length between 150 and 220 characters (spaces included).

Text: YBM 참고서 콘텐츠 지원 사이트, 영어 참고서 자료, 문제은행 등 학습 자료 제공.

Length: 47 characters

Google Search Results Preview Test

Desktop version

https://www.ybmbooksam.com/html/main/indexYBM북샘(BOOKSAM) - YBM 참고서 콘텐츠 지원 사이트YBM 참고서 콘텐츠 지원 사이트, 영어 참고서 자료, 문제은행 등 학습 자료 제공.

Mobile version

Most Common Keywords Test

There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.

64있습니다35개인정보20경우에는19평가문제집19서비스를

Keywords Usage Test48% of top 100 sites passed

The most common keywords of this webpage are not distributed across the important HTML tags! Primary keywords should appear in title tag, meta description and heading tags to help Search Engines to properly identify the topic of this webpage.

Keyword

Title tag

Meta description

Headings

있습니다

개인정보

경우에는

평가문제집

서비스를

Keywords Cloud Test

bookphonicsreadersreadingstudentworkbookwritingybm북샘y클라우드같습니다개인정보개인정보가개인정보를개인정보보호개인정보의개인정보처리방침검색하기게시물을게시물의게시합니다경우에는계좌번호고객센터관련하여교재자료대하여는대해서는등에서의따릅니다말합니다목적으로바로가기방법으로방울포인트는법정대리인의보러가기보유기간불구하고비밀번호비밀번호를사용하는사이트에사이트에서서비스를서비스의소득공제소비자보호에소비자의수집하는스마트스쿨시행일자식별정보안전하게않습니다언제든지없습니다영리목적의예비초등온라인으로와이비엠완료되었습니다운영하는원칙으로위탁계약의견이나이용계약을이용계약의이용기간이용자가이용자는이용자들의이용자의이용하여있습니다전자상거래전자우편정보보호정보통신망정보통신망이용촉진제공하는천재지변청약철회추천교재취합니다콘텐츠를큐레이션통지합니다파기절차판단되는평가문제집프로그램하여서는해당하는회사에서회원가입회원가입을회원에게회원자격을회원탈퇴휴대전화번호

Competitor Domains Test

Heading Tags Test62% of top 100 sites passed

This webpage contains too many H1 tags! H1 tags should re-inforce the intended topic of your page to search engines - too many tags may make the topic less clear, or look like spam tactics. Consider using less than 5 H1 tags.

ELT 추천교재

초등 추천교재

중등 추천교재

고등 추천교재

교과서 추천 (22개정)

YBM북샘 바로가기

바탕화면에 바로가기를 설치해 북샘을 좀 더 빠르고 간편하게 이용하실 수 있습니다.

설치방법

자료 다운로드

SMART CENTER

CONTENTS

BEST SELLER

NOTICE

SUPPORT

알림

이용약관

개인정보처리방침

이메일무단수집거부

주문취소

쿠폰받기

쿠폰적용

주문 진행 안내

휴면 계정 복구

YBM 북샘 회원 혜택 안내

Robots.txt Test99% of top 100 sites passed

This website is using a robots.txt file.

https://www.ybmbooksam.com/robots.txt

Sitemap Test83% of top 100 sites passed

This website has a sitemap file.

https://www.ybmbooksam.com/sitemap.xml

Broken Links Test

SEO Friendly URL Test29% of top 100 sites passed

This webpage contains URLs that are not SEO friendly!

Image Alt Test78% of top 100 sites passed

This webpage is using "img" tags with empty or missing "alt" attribute!

Responsive Image Test29% of top 100 sites passed

Not all images in this webpage are properly sized! This webpage is serving images that are larger than needed for the size of the user's viewport.

Image Aspect Ratio Test75% of top 100 sites passed

Not all image display dimensions match the natural aspect ratio! Fix aspect ratio issues to avoid distorted images on this website!

Inline CSS Test10% of top 100 sites passed

This webpage is using inline CSS styles!

Deprecated HTML Tags Test94% of top 100 sites passed

This webpage does not use HTML deprecated tags.

Google Analytics Test72% of top 100 sites passed

This webpage is using Google Analytics.

Favicon Test100% of top 100 sites passed

This website appears to have a favicon.

Backlinks Test

JS Error Test83% of top 100 sites passed

There are no severe JavaScript errors on this webpage.

Console Errors Test27% of top 100 sites passed

This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.

Charset Declaration Test96% of top 100 sites passed

This webpage has a character encoding declaration.

Content-Type: text/html;charset=UTF-8

Speed optimizations

Score: 36

Failed: 13

Warnings: 1

Passed: 11

HTML Page Size Test23% of top 100 sites passed

The size of this webpage's HTML is 204.73 Kb, and is greater than the average size of 33 Kb! This can lead to slower loading times, lost visitors, and decreased revenue. Good steps to reduce HTML size include: using HTML compression, CSS layouts, external style sheets, and moving javascript to external files.

DOM Size Test56% of top 100 sites passed

The Document Object Model (DOM) of this webpage has 2,204 nodes which is greater than the recommended value of 1,500 nodes! A large DOM size negatively affects site performance and increases the page load time.

HTML Compression/GZIP Test99% of top 100 sites passed

This webpage doesn't use HTML compression! We recommend to compress the HTML code in order to reduce the page size and page loading times - this will help a website to retain visitors and increase page views. If the HTML compression will be enabled, the HTML size will be decreased by 78% - from 204.73 Kb to 45.83 Kb .

Site Loading Speed Test71% of top 100 sites passed

The loading time of this webpage (measured from N. Virginia, US) is around 23.11 seconds and is greater than the average loading speed which is 5 seconds!

JS Execution Time Test53% of top 100 sites passed

The JavaScript code used by this webpage is executed in less than 2 seconds.

Page Objects Test

This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!

Content size by content type

Content type

Percent

Size

image

69.3 %

30.08 Mb

other

13.3 %

5.76 Mb

font

12.9 %

5.58 Mb

javascript

3.3 %

1.44 Mb

css

0.8 %

370.60 Kb

html

0.5 %

202.90 Kb

Requests by content type

Content type

Percent

Requests

image

53.4 %

other

25.6 %

javascript

11.9 %

font

5.1 %

css

3.4 %

html

0.6 %

Content size by domain

Domain

Percent

Size

kr.object.ncloudstorage.com

80.6 %

34.99 Mb

ybmbooksam.com

16.4 %

7.13 Mb

cdn.jsdelivr.net

1.9 %

822.84 Kb

ymhcopau2891.edge.naverncp.com

0.6 %

281.50 Kb

googletagmanager.com

0.5 %

211.51 Kb

google-analytics.com

0.0 %

21.49 Kb

Requests by domain

Domain

Percent

Requests

ybmbooksam.com

65.3 %

115

kr.object.ncloudstorage.com

27.8 %

cdn.jsdelivr.net

2.3 %

ymhcopau2891.edge.naverncp.com

2.3 %

googletagmanager.com

1.1 %

google-analytics.com

1.1 %

Page Cache Test (Server Side Caching)100% of top 100 sites passed

This webpage is using a caching mechanism. Caching helps speed page loading times as well as reduces server load.

Flash Test100% of top 100 sites passed

This webpage does not include flash objects (an outdated technology that was sometimes used to deliver rich multimedia content). Flash content does not work well on mobile devices, and is difficult for crawlers to interpret.

CDN Usage Test95% of top 100 sites passed

This webpage is not serving all resources (images, javascript and css) from CDNs!

Modern Image Format Test43% of top 100 sites passed

This webpage is not serving images in a modern format! Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.

Image Metadata Test72% of top 100 sites passed

This webpage is using images with large metadata (more than 16% of the image size)! Stripping out unnecessary metadata tags can improve not only the loading time but also the security and privacy of a webpage.

Image Caching Test95% of top 100 sites passed

This website is using cache headers for images and the browsers will display these images from the cache.

JavaScript Caching Test96% of top 100 sites passed

This webpage is using cache headers for all JavaScript resources.

CSS Caching Test98% of top 100 sites passed

This webpage is using cache headers for all CSS resources.

JavaScript Minification Test98% of top 100 sites passed

This webpage is using JavaScript files that are not minified!

CSS Minification Test100% of top 100 sites passed

All CSS resources used by this webpage are minified.

Render Blocking Resources Test15% of top 100 sites passed

This webpage is using render blocking resources! Eliminating render-blocking resources can help this webpage to load significantly faster and will improve the website experience for your visitors.

Nested Tables Test100% of top 100 sites passed

This webpage is not using nested tables. This speeds up page loading time and optimizes the user experience.

Frameset Test100% of top 100 sites passed

This webpage does not use frames.

Doctype Test100% of top 100 sites passed

This webpage has a doctype declaration.

<!DOCTYPE html>

URL Redirects Test97% of top 100 sites passed

This URL performed 5 redirects! Avoid chained redirects if possible, as this may cause search engine indexing problems and adversely affect site loading time.

https://www.ybmbooksam.com/https://www.ybmbooksam.com/html/main/index

https://www.ybmbooksam.com/html/main/indexhttps://www.ybmbooksam.com/sso/business.do?returnUrl=Y

https://www.ybmbooksam.com/sso/business.do?returnUrl=Yhttps://sso.ybmcloud.com/login.html?agentId=1

https://sso.ybmcloud.com/login.html?agentId=1https://www.ybmbooksam.com/sso/jwtLogin.do

https://www.ybmbooksam.com/sso/jwtLogin.dohttps://www.ybmbooksam.com/html/main/index

Time To First Byte Test99% of top 100 sites passed

The Time To First Byte value of this webpage is 0.210 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.

0.21 s

0.8 s

1.8 s

First Contentful Paint Test90% of top 100 sites passed

The First Contentful Paint value of this webpage is 4.639 seconds. To provide a good user experience, Google recommends that sites should strive to have a First Contentful Paint value of 1.8 seconds or less.

4.639 s

1.8 s

3 s

Largest Contentful Paint Test77% of top 100 sites passed

The Largest Contentful Paint duration of this webpage is 10.58 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.

10.58 s

2.5 s

4 s

Largest Contentful Paint element within the viewport:

<img src="https://kr.object.ncloudstorage.com/ybm-prd-std/YB..." class=" ls-is-cached lazyloaded" onload="onLoadBanner()">

Cumulative Layout Shift Test91% of top 100 sites passed

The CLS score of this webpage is 0.4111. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.

0.4111

0.1

0.25

DOM element which contributes the most to CLS score:

Text: ELT 추천교재 초등 영작 필수 시리즈! 문장쓰기 부터 영어 에세이 쓰기까지 Writing 교재의 표준 보러가기 초등 추천교재 <새 교육과정...

Html: <div class="container on">

Score: 0.4047

Server and security

Score: 72

Failed: 4

Warnings: 0

Passed: 6

URL Canonicalization Test93% of top 100 sites passed

https://www.ybmbooksam.com/html/main/index and https://ybmbooksam.com/html/main/index resolve to the same URL.

SSL Checker and HTTPS Test100% of top 100 sites passed

This website is successfully using HTTPS, a secure communication protocol over the Internet.

The certificate is not used before the activation date.

The certificate has not expired.

The hostname "www.ybmbooksam.com" is correctly listed in the certificate.

The certificate should be trusted by all major web browsers.

The certificate was not revoked.

The certificate was signed with a secure hash.

Certificate Chain:

Server certificate

Common name

*.ybmbooksam.com

Subject Alternative Names (SANs)

*.ybmbooksam.com, ybmbooksam.com

Not valid before

Thu, May 9o 2024, 12:00:00 am (z)

Not valid after

Fri, May 9o 2025, 11:59:59 pm (z)

Signature algorithm

sha256WithRsaEncryption

Issuer

GoGetSSL RSA DV CA

Intermediate certificate

Common name

GoGetSSL RSA DV CA

Organization

GoGetSSL

Location

Riga, LV

Not valid before

Thu, September 6o 2018, 12:00:00 am (z)

Not valid after

Tue, September 5o 2028, 11:59:59 pm (z)

Signature algorithm

sha384WithRsaEncryption

Issuer

USERTrust RSA Certification Authority

Root certificate

Common name

USERTrust RSA Certification Authority

Organization

The USERTRUST Network

Location

Jersey City, New Jersey, US

Not valid before

Mon, February 1o 2010, 12:00:00 am (z)

Not valid after

Mon, January 18o 2038, 11:59:59 pm (z)

Signature algorithm

sha384WithRsaEncryption

Issuer

USERTrust RSA Certification Authority

Mixed Content Test (HTTP over HTTPS)100% of top 100 sites passed

This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.

HTTP2 Test99% of top 100 sites passed

This webpage is not using the HTTP/2 protocol!

HSTS Test84% of top 100 sites passed

This webpage is not using the Strict-Transport-Security header! This is a security header that was created as a way to force the browser to use secure connections when a site is running over HTTPS.

Safe Browsing Test100% of top 100 sites passed

This website is not currently listed as suspicious (no malware or phishing activity found).

Server Signature Test95% of top 100 sites passed

The server signature is off for this webpage.

Directory Browsing Test100% of top 100 sites passed

Directory browsing is disabled for this website.

Plaintext Emails Test97% of top 100 sites passed

We've found 1 email addresses in your page code! We advise you to protect email links in a way that hides them from the spam harvesters.

Unsafe Cross-Origin Links Test45% of top 100 sites passed

This webpage is using target="_blank" links without rel="noopener" or rel="noreferrer" attribute, which can expose it to performance and security issues!

Mobile usability

Score: 100

Failed: 0

Warnings: 0

Passed: 3

Meta Viewport Test92% of top 100 sites passed

This webpage is using a viewport meta tag.

<meta name="viewport" content="width=1280" />

Media Query Responsive Test98% of top 100 sites passed

This webpage is using CSS media queries, which is the base for responsive design functionalities.

Mobile Snapshot Test

Advanced SEO

Score: 48

Failed: 3

Warnings: 1

Passed: 6

Structured Data Test66% of top 100 sites passed

This webpage is using structured data.

Custom 404 Error Page Test80% of top 100 sites passed

This website is not using a custom 404 error page! Default 404 error pages result in a poor experience - it can mislead users into thinking an entire site is down or broken, greatly increases the chance they leave the website entirely, and looks unprofessional. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.

Noindex Tag Test99% of top 100 sites passed

This webpage does not use the noindex meta tag. This means that it can be indexed by search engines.

Canonical Tag Test93% of top 100 sites passed

This webpage is using the canonical link tag. This tag specifies that the URL: https://www.ybmbooksam.com should be the preferred version of this page. The canonical tag can be useful when there are similar versions of the same content on several URLs (e.g., such as e-commerce sites where URL modifiers like sort parameters are appended to a product page's URL). Please ensure that this specification is correct, as canonical tags are often hard-coded and may not always reflect the latest changes in a site's URL structure.

<link href="https://www.ybmbooksam.com" rel="canonical"/>

Nofollow Tag Test

This webpage does not use the nofollow meta tag. This means that search engines will crawl all links from this webpage.

Disallow Directive Test

Your robots.txt file includes a disallow command which instructs search engines to avoid certain parts of your website! You are advised to confirm if access to these resources or pages are intended to be blocked (e.g., if they contain internal-only content or sensitive information).

Meta Refresh Test98% of top 100 sites passed

This webpage is not using a meta refresh tag.

SPF Records Test94% of top 100 sites passed

This DNS server is not using an SPF record! SPF (Sender Policy Framework) allows administrators to specify which hosts are allowed to send mail from a given domain by creating a specific SPF record or TXT record in the Domain Name System (DNS). You can find more information about SPF records here.

Ads.txt Validation Test67% of top 100 sites passed

This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.

Spell Check Test

Report generated 20 hours ago

https://www.ybmbooksam.com

Your general SEO Checkup Score

Archived

51/100

SEO Score

Average SEO score of top 100 sites: 75%

27 Failed

4 Warnings

43 Passed

Issues to fix

HIGH

To provide a good user experience, Google recommends that sites should aim for a Largest Contentful Paint duration of 2.5 seconds or less.

HIGH

To provide a good user experience, Google recommends that sites should aim for a Cumulative Layout Shift score of 0.1 or less.

HIGH

It is recommended to avoid URL parameters and to use hyphens to separate words in the URL structure, rather than underscores.

HIGH

Minify all JavaScript files to reduce page size and loading time.

HIGH

Enable HTML compression to reduce page size and loading times.

HIGH

To ensure that Search Engines can accurately identify the topic of this webpage, it is important to include the most common keywords in the title tag, meta description, and heading tags.

HIGH

Connect your webpage with social media networks using APIs or AddThis, as social signals are becoming increasingly important for search engines to validate a site's trustworthiness and authority.

HIGH

To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.

HIGH

Using images in a modern format can significantly reduce the file size and improve the loading speed of a webpage, providing a better user experience and potentially increasing engagement.

HIGH

Add descriptive and relevant "alt" attributes to all "img" tags to improve website accessibility.

HIGH

HTTP/2 protocol offers several key improvements, including faster page load times, improved performance, better security and more efficient use of network resources.

HIGH

Consider reducing the HTML size to improve loading times and retain visitors.

HIGH

By creating a custom 404 error page with helpful links and information, users are more likely to stay on the site and continue to explore.

MEDIUM

To provide a good user experience, Google recommends that sites should aim for a First Contentful Paint value of 1.8 seconds or less.

MEDIUM

Serve properly sized images to reduce page loading times and to improve user's experience.

MEDIUM

Avoid using distorted images, as they can have a negative impact on the user experience.

MEDIUM

Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.

LOW

Without an SPF record, spammers can easily spoof emails from this domain, potentially leading to compromised email security and deliverability issues.

LOW

To protect against spam harvesters, consider hiding or obfuscating email addresses in your page code.

LOW

Using more than 20 HTTP requests on a webpage can negatively impact the loading time.

LOW

Consider moving inline CSS styles to an external stylesheet to improve site performance and maintain separation of content and design.

LOW

Strip out any unnecessary metadata to improve loading time, security, and privacy. Metadata should not exceed 16% of the image size.

LOW

Avoid chained redirects, as they can affect the site loading time and cause indexing problems for search engines.

LOW

Consider adding the Strict-Transport-Security header to your webpage to ensure that web traffic is encrypted over HTTPS, mitigating the risk of man-in-the-middle attacks and other security threats.

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