All kinds of online tools to analyze domains and networks.
Online tools to analyze a network, domains, dns, etc.
Download videos on a web page
Download videos on all tipe of web pages
Download Youtube Videos and Playlists for free! Allows you to download entire lists, such as a Youtube reprodiction list.
Set of utilities for videos. Conversions, audio extraction, etc.
Free download of Android apps. Many times I use an old phone and want to install an app without going through the Google store.
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform.
The internet’s source of freely useable images.
The world´s quirkiest collection of free high-resolution pictures, comprised of the world´s best, most creative images
Free Stock Photos for commercial use.
Morguefile is a free photo archive “for creatives, by creatives”.
reduce CSS code size and make your website load faster.
Other online css compressor.
Excellent article on Using grunt-purifycss on a Windows OS.
Google´s tool to measure the speed of a page.
How fast does your website load?
Enter a URL to test the page load time, analyze it, and find bottlenecks.
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Free Online Image Optimizer.
Just enter your website URL to create a sitemap.
Google Algorithm Update History.
All-in-one Marketing Toolkit. Perhaps the best known tool for competing research on websites.
Tools to grow your search traffic, research your competitors and monitor your niche.
To control the number of backlinks on a web page.
Website Review Tool & SEO Checker. Another classic online tool in the Seo world.
One of Neil Patel´s best-known Seo tools. List of the most searched related words.
Another classic keyword library.
Free Domain SEO Metrics
Find new keywords for your market
An old and outdated tool, but that can still have value in very specific cases of few searches.