wanago.io

Website review wanago.io

Marcin Wanago Blog - JavaScript, both frontend and backend

 Generated on February 24 2026 20:07 PM

Old data? UPDATE !

The score is 54/100

SEO Content

Title

Marcin Wanago Blog - JavaScript, both frontend and backend

Length : 58

Perfect, your title contains between 10 and 70 characters.

Description

JavaScript blog focused on covering practical issues and explaining how the language works under the hood.

Length : 106

Great, your meta description contains between 70 and 160 characters.

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

Good, your page take advantage of Og Properties.

Property Content
locale en_US
type website
title Wanago.io
description JavaScript blog focused on covering practical issues and explaining how the language works under the hood.
url http://wanago.io/
site_name Marcin Wanago Blog - JavaScript, both frontend and backend
image http://wanago.io/wp-content/uploads/2023/04/logo.png
image:width 512
image:height 512
image:type image/png

Headings

H1 H2 H3 H4 H5 H6
1 14 0 0 0 0
  • [H1] Marcin Wanago
  • [H2] Big O notation: Avoiding common performance pitfalls
  • [H2] API with NestJS #187. Rate limiting using Throttler
  • [H2] Web Scraping with Playwright
  • [H2] Beginner’s guide to Web Scraping with Cheerio
  • [H2] API with NestJS #186. What’s new in Express 5?
  • [H2] Machine Learning with TypeScript and TensorFlow: Training your first model
  • [H2] API with NestJS #185. Operations with PostGIS Polygons in PostgreSQL and Drizzle
  • [H2] API with NestJS #184. Storing PostGIS Polygons in PostgreSQL with Drizzle ORM
  • [H2] API with NestJS #183. Distance and radius in PostgreSQL with Drizzle ORM
  • [H2] API with NestJS #182. Storing coordinates in PostgreSQL with Drizzle ORM
  • [H2] Posts navigation
  • [H2] Sign up for newsletter
  • [H2] Recent posts
  • [H2] Series

Images

We found 15 images on this web page.

12 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 : 10%

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.

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 27 links including 0 link(s) to files

Anchor Type Juice
Marcin Wanago Blog - JavaScript, both frontend and backend Internal Passing Juice
JavaScript Internal Passing Juice
Big O notation: Avoiding common performance pitfalls Internal Passing Juice
NestJS Internal Passing Juice
API with NestJS #187. Rate limiting using Throttler Internal Passing Juice
API with NestJS Internal Passing Juice
Web Scraping with Playwright Internal Passing Juice
Beginner’s guide to Web Scraping with Cheerio Internal Passing Juice
API with NestJS #186. What’s new in Express 5? Internal Passing Juice
Machine Learning Internal Passing Juice
Machine Learning with TypeScript and TensorFlow: Training your first model Internal Passing Juice
SQL Internal Passing Juice
API with NestJS #185. Operations with PostGIS Polygons in PostgreSQL and Drizzle Internal Passing Juice
API with NestJS #184. Storing PostGIS Polygons in PostgreSQL with Drizzle ORM Internal Passing Juice
API with NestJS #183. Distance and radius in PostgreSQL with Drizzle ORM Internal Passing Juice
API with NestJS #182. Storing coordinates in PostgreSQL with Drizzle ORM Internal Passing Juice
2 Internal Passing Juice
38 Internal Passing Juice
privacy policy Internal Passing Juice
Getting geeky with Git Internal Passing Juice
JavaScript design patterns Internal Passing Juice
JavaScript testing tutorial Internal Passing Juice
Node.js TypeScript Internal Passing Juice
React SSR with Next.js Internal Passing Juice
Regex course Internal Passing Juice
TypeScript Express tutorial Internal Passing Juice
Webpack 4 course Internal Passing Juice

SEO Keywords

Keywords Cloud

scraping sql how postgresql orm drizzle api article data nestjs

Keywords Consistency

Keyword Content Title Keywords Description Headings
nestjs 22
api 16
orm 12
data 12
postgresql 11

Usability

Url

Domain : wanago.io

Length : 9

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.
Too bad, your website is using inline styles.
Too bad, your website has too many CSS files (more than 4).
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://wanago.io/sitemap_index.xml

Robots.txt

https://wanago.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

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