What technology does classcard.net use?

classcard.net is built with Bootstrap, jQuery, Google Analytics, Apache.

Is classcard.net secure (HTTPS)?

Yes. classcard.net uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Oct 15, 2026.

Who hosts classcard.net?

Hosting provider information for classcard.net is not available yet.

What is classcard.net's SEO score?

classcard.net scored 65/100 for SEO in the latest analysis (fair).

What is classcard.net's overall website score?

classcard.net has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.

Has classcard.net's score changed over time?

classcard.net's overall score has declined by 1 point (from 70 to 69) since Jul 26, 2026.

classcard.net

클래스카드 | 영어쌤 1/3이 선택한 스마트 단어장!

Last scanned Aug 2, 2026, 3:00 AM · 9 views

Overall score

Fair

Summary

클래스카드, 스마트교육, 스마트러닝, 선생님이 만들어 우리반이 함께 공부하는 스마트 플래시카드. This website uses Apache. SEO is fair (65/100) and accessibility is fair (60/100). Security scores fair (70/100) and performance good (80/100). Top issue: Title longer than 60 characters.

클래스카드, 스마트교육, 스마트러닝, 선생님이 만들어 우리반이 함께 공부하는 스마트 플래시카드

Top issues to fix

11 issues found · 4 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
Accessibility
Add alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

+5 more issues — details in the sections below.

SEO

5 issue(s) found

Performance

1.26 s

Security

HTTPS & header checks

Accessibility

2 issue(s) found

Score history

-1 overall since Jul 26, 2026

Overall: 69
SEO: 65
Security: 70
Performance: 80
Accessibility: 60

Organization

Company details published in this site's own structured data.

클래스카드, 스마트교육, 스마트러닝, 선생님이 만들어 우리반이 함께 공부하는 스마트 플래시카드

Meta tags

Title: 클래스카드 | 영어쌤 1/3이 선택한 스마트 단어장!
Description: 클래스카드, 스마트교육, 스마트러닝, 선생님이 만들어 우리반이 함께 공부하는 스마트 플래시카드
Canonical: https://www.classcard.net
Language: en
Charset: UTF-8
Viewport: width=device-width
Robots meta
Manifest: https://www.classcard.net/manifest.json

Technologies

Detected frameworks, languages, and tools.

Bootstrap jQuery Google Analytics Apache

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.2
Issuer: DigiCert Inc
Subject: *.classcard.net
Valid from: Mar 31, 2026
Valid to: Oct 15, 2026
Days until expiry: 74
SAN domains: *.classcard.net, classcard.net

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

14 internal · 17 external · 20 broken

Images

85 total · 84 missing alt

Scripts / Styles

23 scripts · 13 stylesheets

JS / CSS size

43.2 KB · 6.3 KB

Page size

206 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Title longer than 60 characters
No H1 heading found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://classcard.net
Final URL: https://www.classcard.net/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 1.25 s
HTML size: 206 KB
Redirect chain: https://classcard.net → https://www.classcard.net/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does classcard.net use?: classcard.net is built with Bootstrap, jQuery, Google Analytics, Apache.
Is classcard.net secure (HTTPS)?: Yes. classcard.net uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Oct 15, 2026.
Who hosts classcard.net?: Hosting provider information for classcard.net is not available yet.
What is classcard.net's SEO score?: classcard.net scored 65/100 for SEO in the latest analysis (fair).
What is classcard.net's overall website score?: classcard.net has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.
Has classcard.net's score changed over time?: classcard.net's overall score has declined by 1 point (from 70 to 69) since Jul 26, 2026.