Website review yubico.io
Yubico Developers
Generated on December 27 2025 16:36 PM
Old data? UPDATE !
The score is 36/100
SEO Content
Title
Yubico Developers
Length : 17
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 |
| 7 | 0 | 10 | 4 | 0 | 0 |
- [H1] Developer Program
- [H1] Passkeys
- [H1] Yubico SDKs
- [H1] Learn
- [H1] Connect
- [H1] Integrate
- [H1] Open Source
- [H3] Learn, connect and integrate with Yubico technology.
- [H3] Sign up to receive updates.
- [H3] The replacement for passwords is here! Learn how to adopt passkeys in your application
- [H3] Deliver rapid integration of hardware-based strong authentication
- [H3] Follow these guides to help you rapidly integrate open standards with your products and services.
- [H3] Share ideas and find support in these online Yubico developer forums.
- [H3] Integrate the YubiKey with your product and services and submit for review to be listed as part of the "Works with YubiKey" program.
- [H3] What's the Works with YubiKey program?
- [H3] Yubico offers free and open source software for integrating strong authentication into your product or service. We also provide solutions for encrypting and securing secrets on your servers.
- [H3] Sign up for updates and early access to FIDO2/WebAuthn resources.
- [H4] YubiKey SDKs
- [H4] YubiHSM SDK
- [H4] Strong Authentication
- [H4] Encryption & HSM
Images
We found 32 images on this web page.
32 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 : 2%
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 30 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| upgrade your browser | External | Passing Juice |
| Passkeys | Internal | Passing Juice |
| WebAuthn | Internal | Passing Juice |
| CTAP | Internal | Passing Juice |
| OTP | Internal | Passing Juice |
| OATH | Internal | Passing Juice |
| PGP | Internal | Passing Juice |
| PIV | Internal | Passing Juice |
| Secure Domain | Internal | Passing Juice |
| YubiHSM2 | Internal | Passing Juice |
| Software Projects | Internal | Passing Juice |
| Developer Program | Internal | Passing Juice |
| Sign Up | External | Passing Juice |
| Mobile SDKs | Internal | Passing Juice |
| Desktop SDK | External | Passing Juice |
| YubiHSM SDK | Internal | Passing Juice |
| Submit | External | Passing Juice |
| DEV.YUBICO | External | Passing Juice |
| Buy YubiKeys | External | Passing Juice |
| Blog | External | Passing Juice |
| Newsletter | External | Passing Juice |
| Yubico Forum Archive | External | Passing Juice |
| YUBICO.COM | External | Passing Juice |
| Why Yubico | External | Passing Juice |
| About Yubico | External | Passing Juice |
| Cookie | External | Passing Juice |
| Legal | External | Passing Juice |
| Privacy | External | Passing Juice |
| Terms of use | External | Passing Juice |
| Trust | External | Passing Juice |
SEO Keywords
Keywords Cloud
fido2webauthn yubico updates technology receive early sign learn access passkeys
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| sign | 4 |  |
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| updates | 2 | |
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| passkeys | 1 | |
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| learn | 1 | |
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| fido2webauthn | 1 | |
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Usability
Url
Domain : yubico.io
Length : 9
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
You have not specified the language. Use this free meta tags generator to declare the intended language of your website.
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
| Deprecated tags | Occurrences |
|---|---|
| <center> | 2 |
Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these HTML tags because they are now obsolete.
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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Too bad, your website has too many CSS files (more than 4). |
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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
|
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://developers.yubico.com:443/sitemap.xml |
Robots.txt
https://yubico.io/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
Free SEO Testing Tool
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