51talk.com
51Talk是全球化的在线青少英语教育品牌
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
51Talk是专注3-15岁青少儿英语启蒙的在线教育品牌，美国纽交所上市公司（NYSE: COE）。全部外教持有TESOL/TEFL国际认证，发音纯正标准。自主研发L0-L6循序渐进分级课程，… This website uses Nuxt hosted on Taobao - Zhejiang Taobao Network Co.,Ltd, CN. SEO is excellent (95/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance good (75/100). Top issue: Missing OpenGraph tags.
51Talk HK
51Talk是专注3-15岁青少儿英语启蒙的在线教育品牌，美国纽交所上市公司（NYSE: COE）。全部外教持有TESOL/TEFL国际认证，发音纯正标准。自主研发L0-L6循序渐进分级课程，学练测辅四位一体，让孩子稳扎稳打建立英语能力。
- Singapore
- Hosted on Taobao - Zhejiang Taobao Network Co.,Ltd, CN
Top issues to fix
7 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+1 more issue — details in the sections below.
SEO
1 issue(s) found
Performance
675 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
51Talk HK
51Talk是专注3-15岁青少儿英语启蒙的在线教育品牌，美国纽交所上市公司（NYSE: COE）。全部外教持有TESOL/TEFL国际认证，发音纯正标准。自主研发L0-L6循序渐进分级课程，学练测辅四位一体，让孩子稳扎稳打建立英语能力。
- Founded
- Jan 1, 2011
Contact
Email, phone, and address published on this site's own pages.
- enquiry@51talk.com
Meta tags
- Title
- 51Talk是全球化的在线青少英语教育品牌
- Description
- 全球知名在线青少英语教育品牌，业内首家赴美上市的在线英语教育公司。
- Canonical
- https://zh.51talk.com/
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Taobao - Zhejiang Taobao Network Co.,Ltd, CN
- CDN provider
- —
- IP address
- 43.109.2.31
- ASN
- AS24429 (Taobao - Zhejiang Taobao Network Co.,Ltd, CN)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- DigiCert Inc
- Subject
- *.51talk.com
- Valid from
- Sep 25, 2025
- Valid to
- Sep 24, 2026
- Days until expiry
- 60
- SAN domains
- *.51talk.com, 51talk.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 8 · H3 15
Links
5 internal · 7 external · 0 broken
Images
32 total · 6 missing alt
Scripts / Styles
18 scripts · 3 stylesheets
JS / CSS size
2.3 MB · 539 KB
Page size
60.8 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 16
- sitemap.xml
- Found
- URLs in sitemap
- 5
SEO issues
- Missing OpenGraph tags
Accessibility issues
- Missing <html lang> attribute
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://51talk.com
- Final URL
- https://zh.51talk.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 674 ms
- HTML size
- 60.8 KB
- Redirect chain
- https://51talk.com → https://zh.51talk.com/
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Frequently asked questions
- What technology does 51talk.com use?
- 51talk.com is built with Vue.js, Nuxt, Google Analytics, Meta Pixel.
- Is 51talk.com secure (HTTPS)?
- Yes. 51talk.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Sep 24, 2026.
- Who hosts 51talk.com?
- 51talk.com is hosted on Taobao - Zhejiang Taobao Network Co.,Ltd, CN.
- What is 51talk.com's SEO score?
- 51talk.com scored 95/100 for SEO in the latest analysis (excellent).
- What is 51talk.com's overall website score?
- 51talk.com has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- What company operates 51talk.com?
- 51talk.com is operated by 51Talk HK. 51Talk是专注3-15岁青少儿英语启蒙的在线教育品牌，美国纽交所上市公司（NYSE: COE）。全部外教持有TESOL/TEFL国际认证，发音纯正标准。自主研发L0-L6循序渐进分级课程，学练测辅四位一体，让孩子稳扎稳打建立英语能力。
- Is 51talk.com hiring?
- 51talk.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card