addtocalendar.com
AddToCalendar - free button for event page and email. Calendar widget to add event to calendar. Event RSVP. MailChimp compatible. Use CalendarX for Mac.
Last scanned Jul 26, 2026, 7:46 AM
Overall score
Fair
Summary
Free button Add To Calendar for event page and email campaign. This website uses WordPress. SEO is fair (50/100) and accessibility is good (75/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Free button Add To Calendar for event page and email campaign. Event RSVP. Fast and secure widget. Proven by DELL and Adidas. Support Google Calendar, Outlook, iCal...
Top issues to fix
14 issues found · 3 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.
No H1 heading found
SEOAdd 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
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+8 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
418 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
Free button Add To Calendar for event page and email campaign. Event RSVP. Fast and secure widget. Proven by DELL and Adidas. Support Google Calendar, Outlook, iCal...
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- AddToCalendar - free button for event page and email. Calendar widget to add event to calendar. Event RSVP. MailChimp compatible. Use CalendarX for Mac.
- Description
- Free button Add To Calendar for event page and email campaign. Event RSVP. Fast and secure widget. Proven by DELL and Adidas. Support Google Calendar, Outlook, iCal...
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
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
- Amazon
- Subject
- addtocalendar.com
- Valid from
- Apr 8, 2026
- Valid to
- Oct 22, 2026
- Days until expiry
- 86
- SAN domains
- addtocalendar.com, *.addtocalendar.com
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 4 · H3 11
Links
6 internal · 22 external · 20 broken
Images
14 total · 7 missing alt
Scripts / Styles
10 scripts · 8 stylesheets
JS / CSS size
15.0 KB · 8.4 KB
Page size
203 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
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://addtocalendar.com
- Final URL
- https://addtocalendar.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 414 ms
- HTML size
- 203 KB
- Redirect chain
- https://addtocalendar.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does addtocalendar.com use?
- addtocalendar.com is built with WordPress, jQuery, Google Analytics, Meta Pixel, Nginx.
- Is addtocalendar.com secure (HTTPS)?
- Yes. addtocalendar.com uses TLS 1.2 with a certificate issued by Amazon, valid until Oct 22, 2026.
- Who hosts addtocalendar.com?
- Hosting provider information for addtocalendar.com is not available yet.
- What is addtocalendar.com's SEO score?
- addtocalendar.com scored 50/100 for SEO in the latest analysis (fair).
- What is addtocalendar.com's overall website score?
- addtocalendar.com has an overall SiteGraph score of 71/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card