What technology does twca.com.tw use?

twca.com.tw is built with Laravel, Bootstrap, jQuery, Google Analytics, Apache.

Is twca.com.tw secure (HTTPS)?

Yes. twca.com.tw uses TLS 1.3 with a certificate issued by TAIWAN-CA, valid until Mar 6, 2027.

Who hosts twca.com.tw?

Hosting provider information for twca.com.tw is not available yet.

What is twca.com.tw's SEO score?

twca.com.tw scored 45/100 for SEO in the latest analysis (poor).

What is twca.com.tw's overall website score?

twca.com.tw has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.

Has twca.com.tw's score changed over time?

twca.com.tw's overall score has improved by 3 points (from 79 to 82) since Jul 26, 2026.

twca.com.tw

TWCA - 臺灣網路認證 - 為資安把關，提供SSL憑證、身分識別、電子簽署等網路安全機制

Last scanned Aug 2, 2026, 7:00 PM · 10 views

Overall score

Great

Summary

This website uses Apache. SEO is poor (45/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Top issues to fix

10 issues found · 2 high priority

Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
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.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+4 more issues — details in the sections below.

SEO

8 issue(s) found

100

Performance

171 ms

100

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

+3 overall since Jul 26, 2026

Overall: 82
SEO: 45
Security: 100
Performance: 100
Accessibility: 90

Contact

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

Phone: +886-02-23708886 +886-0800-002-666

Meta tags

Title: TWCA - 臺灣網路認證 - 為資安把關，提供SSL憑證、身分識別、電子簽署等網路安全機制
Description
Canonical
Language: zh_TW
Charset: utf-8
Viewport: width=device-width, initial-scale=1, shrink-to-fit=no, viewport-fit=cover, user-scalable=no
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Laravel 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 1.3
Issuer: TAIWAN-CA
Subject: www.twca.com.tw
Valid from: Feb 26, 2026
Valid to: Mar 6, 2027
Days until expiry: 215
SAN domains: www.twca.com.tw, download.twca.com.tw, ssl.twca.com.tw, www.taica.com.tw, twca.com.tw

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyEnabled

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 3

Links

56 internal · 8 external · 20 broken

Images

15 total · 2 missing alt

Scripts / Styles

14 scripts · 5 stylesheets

JS / CSS size

2.2 KB · 1.1 KB

Page size

60.9 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
Missing meta description
Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://twca.com.tw
Final URL: https://twca.com.tw
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 170 ms
HTML size: 60.9 KB
Redirect chain: https://twca.com.tw

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does twca.com.tw use?: twca.com.tw is built with Laravel, Bootstrap, jQuery, Google Analytics, Apache.
Is twca.com.tw secure (HTTPS)?: Yes. twca.com.tw uses TLS 1.3 with a certificate issued by TAIWAN-CA, valid until Mar 6, 2027.
Who hosts twca.com.tw?: Hosting provider information for twca.com.tw is not available yet.
What is twca.com.tw's SEO score?: twca.com.tw scored 45/100 for SEO in the latest analysis (poor).
What is twca.com.tw's overall website score?: twca.com.tw has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
Has twca.com.tw's score changed over time?: twca.com.tw's overall score has improved by 3 points (from 79 to 82) since Jul 26, 2026.