Website review calmcode.io
Code. Simply. Clearly. Calmly.
Generated on December 26 2025 23:19 PM
Old data? UPDATE !
The score is 46/100
SEO Content
Title
Code. Simply. Clearly. Calmly.
Length : 30
Perfect, your title contains between 10 and 70 characters.
Description
Short and simple video lessons that start from scratch. Tools and thoughts that might make your professional life more enjoyable.
Length : 129
Great, your meta description contains between 70 and 160 characters.
Keywords
Code. Simply. Clearly. Calmly.
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | Code. Simply. Clearly. Calmly. |
| image | https://calmcode.io/static/images/branding/landing.png |
| description | Short and simple video lessons that start from scratch. Tools and thoughts that might make your professional life more enjoyable. |
| url | www.calmcode.io |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 11 | 4 | 0 | 0 | 0 |
- [H1] Code. Simply. Clearly. Calmly.
- [H2] Video tutorials for modern ideas and open source tools.
- [H2] Tools for Python People
- [H2] Python Data Tools
- [H2] Web Development
- [H2] Shorts
- [H2] Elements of Production
- [H2] Lessons from Datasets
- [H2] Software Worth Paying For
- [H2] Tools for the R Crowd
- [H2] Meta
- [H2] Footer
- [H3] Foundation
- [H3] Content
- [H3] Resources
- [H3] Contact
Images
We found 141 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 : 0%
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 153 links including 24 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Explore Tracks | Internal | Passing Juice |
| Book | Internal | Passing Juice |
| Challenge | Internal | Passing Juice |
| Today I Learned | Internal | Passing Juice |
| Datasets | Internal | Passing Juice |
| Blog | Internal | Passing Juice |
| Labs | Internal | Passing Juice |
| Search | Internal | Passing Juice |
| Membership | Internal | Passing Juice |
| Login | Internal | Passing Juice |
| newsletter | Internal | Passing Juice |
| said about us | Internal | Passing Juice |
| args kwargs | Internal | Passing Juice |
| bandit | Internal | Passing Juice |
| black | Internal | Passing Juice |
| chime | Internal | Passing Juice |
| comprehensions | Internal | Passing Juice |
| context managers | Internal | Passing Juice |
| cookiecutter | Internal | Passing Juice |
| cool cli | Internal | Passing Juice |
| datasette | Internal | Passing Juice |
| decorators | Internal | Passing Juice |
| diskcache | Internal | Passing Juice |
| entr | Internal | Passing Juice |
| env variables | Internal | Passing Juice |
| fastapi | Internal | Passing Juice |
| flake8 | Internal | Passing Juice |
| gazpacho | Internal | Passing Juice |
| gin | Internal | Passing Juice |
| github actions | Internal | Passing Juice |
| ibis | Internal | Passing Juice |
| lambda | Internal | Passing Juice |
| locust | Internal | Passing Juice |
| logging | Internal | Passing Juice |
| makefiles | Internal | Passing Juice |
| method chains | Internal | Passing Juice |
| mkdocs | Internal | Passing Juice |
| ngrok | Internal | Passing Juice |
| objects | Internal | Passing Juice |
| parse | Internal | Passing Juice |
| pathlib | Internal | Passing Juice |
| pip-tools | Internal | Passing Juice |
| playwright | Internal | Passing Juice |
| pre-commit | Internal | Passing Juice |
| pyinstrument | Internal | Passing Juice |
| pytest | Internal | Passing Juice |
| pytest tricks | Internal | Passing Juice |
| qr code | Internal | Passing Juice |
| readme files | Internal | Passing Juice |
| recursion | Internal | Passing Juice |
| rich | Internal | Passing Juice |
| ruff | Internal | Passing Juice |
| ssh | Internal | Passing Juice |
| stamina | Internal | Passing Juice |
| streamlit | Internal | Passing Juice |
| tqdm | Internal | Passing Juice |
| typer | Internal | Passing Juice |
| uv | Internal | Passing Juice |
| virtualenv | Internal | Passing Juice |
| zsh | Internal | Passing Juice |
| altair | Internal | Passing Juice |
| annoy | Internal | Passing Juice |
| bad labels | Internal | Passing Juice |
| cvxpy one | Internal | Passing Juice |
| cvxpy two | Internal | Passing Juice |
| deon | Internal | Passing Juice |
| embeddings | Internal | Passing Juice |
| hiplot | Internal | Passing Juice |
| human learn | Internal | Passing Juice |
| ipywidgets | Internal | Passing Juice |
| jax | Internal | Passing Juice |
| jupyter lab | Internal | Passing Juice |
| marimo | Internal | Passing Juice |
| matplot gif | Internal | Passing Juice |
| matplotlib | Internal | Passing Juice |
| memo | Internal | Passing Juice |
| model-mining | Internal | Passing Juice |
| neo4j | Internal | Passing Juice |
| numba | Internal | Passing Juice |
| pandas pipe | Internal | Passing Juice |
| pandas datetime | Internal | Passing Juice |
| partial_fit | Internal | Passing Juice |
| pigeon | Internal | Passing Juice |
| polars | Internal | Passing Juice |
| ray | Internal | Passing Juice |
| scikit dummy | Internal | Passing Juice |
| scikit learn | Internal | Passing Juice |
| scikit meta | Internal | Passing Juice |
| scikit metrics | Internal | Passing Juice |
| scikit prep | Internal | Passing Juice |
| scikit save | Internal | Passing Juice |
| sympy | Internal | Passing Juice |
| tailwind | Internal | Passing Juice |
| mvp.css | Internal | Passing Juice |
| humanize.py | Internal | Passing Juice |
| pur.py | Internal | Passing Juice |
| watermark.py | Internal | Passing Juice |
| tldraw.com | Internal | Passing Juice |
| interrogate.py | Internal | Passing Juice |
| retry.py | Internal | Passing Juice |
| yarl.py | Internal | Passing Juice |
| toposort.py | Internal | Passing Juice |
| nbqa | Internal | Passing Juice |
| webbrowser.py | Internal | Passing Juice |
| parallel | Internal | Passing Juice |
| sh.py | Internal | Passing Juice |
| gliner.py | Internal | Passing Juice |
| mohtml | Internal | Passing Juice |
| pint.py | Internal | Passing Juice |
| pytesseract.py | Internal | Passing Juice |
| flashtext.py | Internal | Passing Juice |
| safety.py | Internal | Passing Juice |
| ncdu | Internal | Passing Juice |
| toolong.py | Internal | Passing Juice |
| workalendar.py | Internal | Passing Juice |
| perfplot | Internal | Passing Juice |
| grep | Internal | Passing Juice |
| typeguard.py | Internal | Passing Juice |
| jq | Internal | Passing Juice |
| datefinder.py | Internal | Passing Juice |
| drawdata.py | Internal | Passing Juice |
| htop | Internal | Passing Juice |
| watch | Internal | Passing Juice |
| questionary | Internal | Passing Juice |
| orjson.py | Internal | Passing Juice |
| lunr.py | Internal | Passing Juice |
| webp | Internal | Passing Juice |
| htmx | Internal | Passing Juice |
| vector | Internal | Passing Juice |
| birthday problem | Internal | Passing Juice |
| diseases | Internal | Passing Juice |
| sleep | Internal | Passing Juice |
| smoking | Internal | Passing Juice |
| statistical disservice | Internal | Passing Juice |
| better uptime | Internal | Passing Juice |
| nounproject | Internal | Passing Juice |
| dplyr verbs | Internal | Passing Juice |
| ggplot | Internal | Passing Juice |
| content | Internal | Passing Juice |
| mac apps | Internal | Passing Juice |
| pomodoro | Internal | Passing Juice |
| remote | Internal | Passing Juice |
| Home | Internal | Passing Juice |
| Story | Internal | Passing Juice |
| Labs | Internal | Passing Juice |
| TILs | Internal | Passing Juice |
| Tracks | Internal | Passing Juice |
| Datasets | Internal | Passing Juice |
| Old Content | Internal | Passing Juice |
| Terms | Internal | Passing Juice |
| Statistics | External | Passing Juice |
| Status | Internal | Passing Juice |
| External | Passing Juice |
SEO Keywords
Keywords Cloud
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|
Usability
Url
Domain : calmcode.io
Length : 11
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
| Deprecated tags | Occurrences |
|---|---|
| <u> | 1 |
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. |
 |
Too bad, your website is using inline styles. |
|
Great, your website has few CSS files. |
|
Too bad, your website has too many JS files (more than 6). |
|
Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| http://calmcode.io/sitemap.xml |
Robots.txt
https://calmcode.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
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.