What technology does tower.im use?

tower.im is built with Ruby on Rails, Google Analytics.

Is tower.im secure (HTTPS)?

Yes. tower.im uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 27, 2026.

Hosting provider information for tower.im is not available yet.

What is tower.im's SEO score?

tower.im scored 65/100 for SEO in the latest analysis (fair).

What is tower.im's overall website score?

tower.im has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.

tower.im

Tower - ONES 旗下团队协作工具

Last scanned Aug 24, 2026, 1:23 PM

Overall score

Fair

Summary

Tower 帮助你更高效的安排工作任务，管理项目进度，沉淀团队知识，让每个人走得更快，让团队走得更远。. This website uses Google Analytics. SEO is fair (65/100) and accessibility is fair (50/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.

Tower 帮助你更高效的安排工作任务，管理项目进度，沉淀团队知识，让每个人走得更快，让团队走得更远。

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.
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.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+5 more issues — details in the sections below.

SEO

5 issue(s) found

100

Performance

245 ms

Security

HTTPS & header checks

Accessibility

3 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.

Organization

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

Tower 帮助你更高效的安排工作任务，管理项目进度，沉淀团队知识，让每个人走得更快，让团队走得更远。

Meta tags

Title: Tower - ONES 旗下团队协作工具
Description: Tower 帮助你更高效的安排工作任务，管理项目进度，沉淀团队知识，让每个人走得更快，让团队走得更远。
Canonical
Language
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0, user-scalable=no
Robots meta
Manifest: https://tower.im/site.webmanifest

Technologies

Detected frameworks, languages, and tools.

Ruby on Rails Google Analytics

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: DigiCert Inc
Subject: *.tower.im
Valid from: May 13, 2026
Valid to: Nov 27, 2026
Days until expiry: 94
SAN domains: *.tower.im, tower.im

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

18 internal · 5 external · 20 broken

Images

3 total · 3 missing alt

Scripts / Styles

13 scripts · 1 stylesheets

JS / CSS size

5.3 KB · 0 B

Page size

25.8 KB

Robots.txt & Sitemap

robots.txt: Not 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
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://tower.im
Final URL: https://tower.im
HTTP status: 200
HTTP version: HTTP/2
Response time: 245 ms
HTML size: 25.8 KB
Redirect chain: https://tower.im

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