Website review swenson.io
Main — Christopher Swenson
Generated on January 31 2026 09:42 AM
Old data? UPDATE !
The score is 45/100
SEO Content
Title
Main — Christopher Swenson
Length : 26
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 |
| 11 | 13 | 0 | 0 | 0 | 0 |
- [H1] Picking a plan for electricity
- [H1] JSON API Design
- [H1] Modern Cryptanalysis v1.1 Available for Free
- [H1] Why Hiring is Impossible
- [H1] 64-bit assembly language programming under macOS with NASM
- [H1] Friendship API
- [H1] Future Improvements
- [H1] ttyrec conversion
- [H1] An simple AES-based random number generator
- [H1] So You Want To Learn Crypto, Part 2: Cyclic Groups And Short Codes
- [H1] How to pronounce programming words
- [H2] Don't give semantic meaning to object keys
- [H2] Your top-level response should always be an object
- [H2] Why Python? The Stack
- [H2] The Process
- [H2] Modular arithmetic
- [H2] Division, or, multiplicative inverses
- [H2] Cyclic groups
- [H2] Crypto
- [H2] Short codes
- [H2] Scrambling a 1-up sequence
- [H2] Easy discrete logarithms
- [H2] Putting it all together
- [H2] Some code
Images
We found 4 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 80%
This page's ratio of text to HTML code is more than 70 percent, this means that your the page might run the risk of being considered spam.
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 83 links including 6 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| About | Internal | Passing Juice |
| Contact | Internal | Passing Juice |
| Speaking | Internal | Passing Juice |
| GitHub | External | Passing Juice |
| Mastodon | External | Passing Juice |
| External | Passing Juice | |
| External | Passing Juice | |
| Blog Archive | Internal | Passing Juice |
| Modern Cryptanalysis | Internal | Passing Juice |
| Picking a plan for electricity | Internal | Passing Juice |
| Schedule 4 (current, default) | External | Passing Juice |
| Schedule 4 ("choice") | External | Passing Juice |
| Prometheus | External | Passing Juice |
| JSON API Design | Internal | Passing Juice |
| Modern Cryptanalysis v1.1 Available for Free | Internal | Passing Juice |
| Modern Cryptanalysis v1.1 | Internal | Passing Juice |
| Why Hiring is Impossible | Internal | Passing Juice |
| total order | External | Passing Juice |
| metric space | External | Passing Juice |
| 64-bit assembly language programming under macOS with NASM | Internal | Passing Juice |
| previous post on 32-bit assembly language programming for OS X | External | Passing Juice |
| by default | External | Passing Juice |
| Friendship API | Internal | Passing Juice |
| Friendship API | External | Passing Juice |
| ContextIO | External | Passing Juice |
| Python API | External | Passing Juice |
| Mailgun | External | Passing Juice |
| Flask | External | Passing Juice |
| Celery | External | Passing Juice |
| SQLAlchemy | External | Passing Juice |
| Heroku | External | Passing Juice |
| Amazon S3 | External | Passing Juice |
| ThemeForest | External | Passing Juice |
| Diet Dr Pepper | External | Passing Juice |
| RequestBin | External | Passing Juice |
| ttyrec conversion | Internal | Passing Juice |
| NetHack | External | Passing Juice |
| TTY "recordings" of NetHack ascensions | External | Passing Juice |
| pyte | External | Passing Juice |
| images2gif | External | Passing Juice |
| old DOS bitmap font | External | Passing Juice |
| ttyrec2gif | External | Passing Juice |
| An simple AES-based random number generator | Internal | Passing Juice |
| the AES instruction set | External | Passing Juice |
| to build a hash function | External | Passing Juice |
| hash table | External | Passing Juice |
| an AES-based random number generator | External | Passing Juice |
| Mersenne Twister | External | Passing Juice |
| dieharder | External | Passing Juice |
| SMHasher | External | Passing Juice |
| So You Want To Learn Crypto, Part 2: Cyclic Groups And Short Codes | Internal | Passing Juice |
| Part 1 is here | External | Passing Juice |
| Diffie–Hellman | External | Passing Juice |
| Digital Signature Algorithm | External | Passing Juice |
| ElGamal | External | Passing Juice |
| AES | External | Passing Juice |
| Base32 | External | Passing Juice |
| birthday paradox | External | Passing Juice |
| linear-feedback shift registers | External | Passing Juice |
| linear congruential generators | External | Passing Juice |
| Pohlig–Hellman algorithm | External | Passing Juice |
| Chinese remainder theorem | External | Passing Juice |
| Sage | External | Passing Juice |
| GitHub | External | Passing Juice |
| How to pronounce programming words | Internal | Passing Juice |
| https://www.youtube.com/watch?v=GBvtE61Wrto | External | Passing Juice |
| https://www.youtube.com/watch?v=txaGsawljjA | External | Passing Juice |
| http://www.olsenhome.com/gif/ | External | Passing Juice |
| http://upload.wikimedia.org/wikipedia/commons/2/24/En-gnu.ogg | External | Passing Juice |
| http://upload.wikimedia.org/wikipedia/commons/f/fd/Kurt_g%C3%B6del.ogg | External | Passing Juice |
| http://cs.stanford.edu/~uno/faq.html | External | Passing Juice |
| http://www.webofstories.com/play/donald.knuth/69;jsessionid=57A6533A825A17DE1474F30F5B254ADD | External | Passing Juice |
| https://www.youtube.com/watch?v=uK0xXFZtJ8Q | External | Passing Juice |
| https://www.youtube.com/watch?v=nalzRhtn-vw | External | Passing Juice |
| https://www.youtube.com/watch?v=vrPRwUOt-7k | External | Passing Juice |
| https://www.youtube.com/watch?v=WcZqJHH3Gkc | External | Passing Juice |
| http://www.quora.com/How-do-Pythonistas-pronounce-PyPy-and-PyPI | External | Passing Juice |
| https://www.youtube.com/watch?v=2hE-Oo4ltJg | External | Passing Juice |
| https://www.youtube.com/watch?v=ecekSCX3B4Q | External | Passing Juice |
| https://www.youtube.com/watch?v=BvmMGHtqY6Q | External | Passing Juice |
| https://www.youtube.com/watch?v=C3vILM2cNuo | External | Passing Juice |
| http://www.webcitation.org/5pqUULy24 | External | Passing Juice |
| https://www.youtube.com/watch?v=VTS9O0CoVng | External | Passing Juice |
SEO Keywords
Keywords Cloud
number like all might equiv some cdot modulo more just
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| equiv | 52 |  |
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| number | 35 | |
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| cdot | 29 | |
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| all | 23 | |
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| might | 23 | |
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Usability
Url
Domain : swenson.io
Length : 10
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. |
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Perfect. No inline css has been found in HTML tags! |
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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
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be problematic.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt
https://swenson.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
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