Website review calendarserver.org
Calendar and Contacts Server
Generated on March 19 2026 20:39 PM
Old data? UPDATE !
The score is 64/100
SEO Content
Title
Calendar and Contacts Server
Length : 28
Perfect, your title contains between 10 and 70 characters.
Description
Length : 0
Very bad. We haven't found meta description on your page. Use this free online meta tags generator to create description.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 5 | 0 | 0 | 0 | 0 |
- [H1] Calendar and Contacts Server
- [H2] Sub-projects
- [H2] What To Download
- [H2] Documentation
- [H2] Getting Involved
- [H2] External Links
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 48%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 28 links including 2 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Calendar and Contact Server | Internal | Passing Juice |
| Calendar and Contacts Server | External | Passing Juice |
| CalDAV | External | Passing Juice |
| RFC 4791 | External | Passing Juice |
| CardDAV | External | Passing Juice |
| RFC 6352 | External | Passing Juice |
| Apache License, Version 2.0 | External | Passing Juice |
| CalDAVClientLibrary | Internal | Passing Juice |
| CalDAVTester | Internal | Passing Juice |
| PyCalendar | Internal | Passing Juice |
| PyKerberos | Internal | Passing Juice |
| twext | Internal | Passing Juice |
| QuickStart | Internal | Passing Juice |
| release branches | External | Passing Juice |
| FAQ | Internal | Passing Juice |
| CalendarServer Documentation Explained | Internal | Passing Juice |
| CalendarServer Time Zone Support | Internal | Passing Juice |
| CalendarServer Tools | Internal | Passing Juice |
| Calendaring Developers’s Guide | External | Passing Juice |
| Other CalDAV Client/Server/Library Implementations | External | Passing Juice |
| Mailing lists | Internal | Passing Juice |
| IRC channels | Internal | Passing Juice |
| External | Passing Juice | |
| The CalDAV Home Page | External | Passing Juice |
| The CardDAV Home Page | External | Passing Juice |
| The Calendaring and Scheduling Consortium | External | Passing Juice |
| IETF Calendaring and Scheduling Standards Simplification Working Group | External | Passing Juice |
| IETF vCard and CardDAV Working Group | External | Passing Juice |
SEO Keywords
Keywords Cloud
carddav protocol calendarserver calendar calendaring allowing information server caldav contacts
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| server | 11 |  |
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| calendar | 6 | |
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| protocol | 5 | |
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| carddav | 5 | |
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| contacts | 5 | |
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Usability
Url
Domain : calendarserver.org
Length : 18
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
|
Perfect. No inline css has been found in HTML tags! |
|
Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
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Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.calendarserver.org/ |
Robots.txt
https://calendarserver.org/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
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