Website review cntnr.io
Containerizers
Generated on January 26 2026 12:31 PM
Old data? UPDATE !
The score is 53/100
SEO Content
Title
Containerizers
Length : 14
Perfect, your title contains between 10 and 70 characters.
Description
This publication is all about Docker and the ecosystem surrounding it, we’ll host content on Docker, how to monitor, where to store data volumes, etc. We’ll also cover management of application stacks with Kubernetes, DC/OS, Mesos, Rancher, and more.
Length : 250
Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords
DOCKER, KUBERNETES, DEVOPS, OPEN SOURCE, CONTAINERS
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| description | This publication is all about Docker and the ecosystem surrounding it, we’ll host content on Docker, how to monitor, where to store data volumes, etc. We’ll also cover management of application stacks with Kubernetes, DC/OS, Mesos, Rancher, and more. |
| image | https://miro.medium.com/v2/resize:fit:1000/1*hda3bZ5G8lxwgbPU-m-OZA.png |
| site_name | Containerizers |
| title | Containerizers |
| type | website |
| url | https://cntnr.io |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 3 | 0 | 0 | 0 | 0 |
- [H2] Containerizers
- [H2] Watch our Docker demo’s on YouTube
- [H2] Get our posts and videos in your Inbox
Images
We found 6 images on this web page.
1 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 1%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
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
We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links
We found a total of 5 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Sitemap | Internal | Passing Juice |
| Sign in | External | Passing Juice |
| 668 followers | Internal | Passing Juice |
| Watch now! | External | Passing Juice |
| Subscribe | External | Passing Juice |
SEO Keywords
Keywords Cloud
watch now docker posts videos get sign containerizers youtube subscribe
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| sign | 4 |  |
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| docker | 4 | |
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| containerizers | 2 | |
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| watch | 2 | |
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| subscribe | 1 | |
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Usability
Url
Domain : cntnr.io
Length : 8
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
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
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Too bad, your website has too many JS files (more than 6). |
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Too bad, your website does not take advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://cntnr.io/sitemap/sitemap.xml |
Robots.txt
https://cntnr.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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