What technology does 51.la use?

51.la is built with Vue.js, Nginx.

Is 51.la secure (HTTPS)?

Yes. 51.la uses TLS 1.3 with a certificate issued by PKI(Chongqing) Limited, valid until Oct 16, 2026.

51.la is hosted on ACE-AS-AP - ACE, SG.

What is 51.la's SEO score?

51.la scored 65/100 for SEO in the latest analysis (fair).

What is 51.la's overall website score?

51.la has an overall SiteGraph score of 74/100, combining SEO, performance, security, and accessibility.

51.la has a careers page; check it directly for current openings.

51.la

51LA首页 - 51LA

Last scanned Jul 21, 2026, 11:40 AM · 1 view

Overall score

Fair

Top issues to fix

9 issues found · 3 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.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+3 more issues — details in the sections below.

Summary

51LA - 领先的数据统计服务商. This website uses Nginx hosted on ACE-AS-AP - ACE, SG. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance good (80/100). Top issue: Missing canonical link.

SEO

5 issue(s) found

Performance

1.63 s

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Contact

Email, phone, and address published on this site's own pages.

Email: online@contact.51.la

Technologies

Detected frameworks, languages, and tools.

Vue.js Nginx

Hosting & CDN

Hosting provider: ACE-AS-AP - ACE, SG
CDN provider: —
IP address: 43.159.107.113
ASN: AS139341 (ACE-AS-AP - ACE, SG)

DNS records

Type	Value
A	43.159.107.113
AAAA	—
MX	—
TXT	—
NS	n1.xundns.com n2.xundns.com
CAA	—
CNAME	51.la.eo.dnse3.com
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: PKI(Chongqing) Limited
Subject: *.51.la
Valid from: Apr 1, 2026
Valid to: Oct 16, 2026
Days until expiry: 87
SAN domains: *.51.la, 51.la

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 22 · H3 0

Links

14 internal · 18 external · 0 broken

Images

59 total · 6 missing alt

Scripts / Styles

4 scripts · 2 stylesheets

JS / CSS size

154 KB · 432 KB

Page size

1.3 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
sitemap.xml not found

Careers

View careers page

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://51.la
Final URL: https://51.la
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.63 s
HTML size: 1.3 KB
Redirect chain: https://51.la

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Frequently asked questions

What technology does 51.la use?: 51.la is built with Vue.js, Nginx.
Is 51.la secure (HTTPS)?: Yes. 51.la uses TLS 1.3 with a certificate issued by PKI(Chongqing) Limited, valid until Oct 16, 2026.
Who hosts 51.la?: 51.la is hosted on ACE-AS-AP - ACE, SG.
What is 51.la's SEO score?: 51.la scored 65/100 for SEO in the latest analysis (fair).
What is 51.la's overall website score?: 51.la has an overall SiteGraph score of 74/100, combining SEO, performance, security, and accessibility.
Is 51.la hiring?: 51.la has a careers page; check it directly for current openings.

Top issues to fix

Contact

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Careers

Scan details

Related websites

Frequently asked questions