Whois tells who owns a domain name URL or if it is available to be registered W3Schools is the premier Web tutorial site; stop here first. W3Cvalidator provides tough love assessment of HTML usage on a page BuiltWith Chrome app that displays the tools a website is built with DB Engines is full of data and comparisons of all major types of database systems SuperWebTool generates favicons and lots more.
Hosting Checker identifies hosting service for any website Website.Grader.com provides speed, mobile, SEO, and SEO grades for any website Nibbler provides over 16 measures for any website SimilarWeb provides detailed traffic for any website and one or more competitors Clarity Grader for readability assessment of your website; free first test is time limited Wapplyser is a free app that lists what tools a website is built with W3Cvalidator provides tough love assessment of HTML usage on a page
Google Speed Test provides key speed Google Mobility test includes free report Pingdom provides speed & performance details for any website Gtmetrix provides over 8 detailed speed measures for any website Gift of Speed offers ratings, timeline, and tutorial guidance to better speed Clarity and readability assessment of your website; free first test is time limited Speed Improvement Suggestions advice on plugins & methods
SEO Checker provides SEO analysis plus valuable SEO guides Reaction Engine provides comprehensive SEO analysis Backlinks Checker number and value of backlinks Moz Open Site Explorer provides great SEO website assessments Woorank provides SEO and Marketing assessments of websites Site ReportCard provides 6 free SEO tools SEOWorkers is detailed analysis of SEO HTML on a page with video advisories SEOSorcer Tools is a free collection of great SEO tools Rank-Gen provides SEOand more website info HubSpot Web Marketing trends Hosting Facts novel stats to mid 2017 HackerNews tells the latest hacking trends in the World WeAreSocial tracks gathers a wide range of global Web statistics
Norton only checks online non-compressed URLs if they are safe to use ScanURL is another free URL checker; but it also must be uncompressed ExtractURL is a freeZip or Rar file URL extractor Virustotal scans URL or a file for signs of virus. Free and lots of analysis info Trend Micro is a free URL safety checking tool WhatisIP is a free IP address lookup tool Security Boulevard provides all the news on Security events Wayback Machine provides backups for uor website in for as long as it exsted
Graphic Links
Pixlr is a the best free photoshop-like tool SumoPaint is a close second as a free photoshop-like tool Photopea is very good, free photoshop-like tool Picmonkey has touch-ups, full edits and collage making. Squoosh.appBest image compression app with AVIF & Webp TinEye will lookup for a copy of an image on the Web Resize Image supplies many options for image resizing Image Compressor super online image compressions ConvertImage converts images from 1one to new file format EzGif provides super online gif animations Gif Makeranother good online gif animation tool Free Icon 8 Library has a wide range of icons with shading SiteOrigin Background Generatorvery versatile design tool
Canva is a free graphic design tool for creating posters, cards, etc Fotojet is a semi-free photo, collage, DTP tool Befunky offers semi-free photo editor, collage maker and designer Flaticon has 10,000++ free and funky icons Little Snippetsof CSS for images and some text display ColorZilla is a Chrome app with Advanced Eyedropper, Color Picker, Gradient Generator tools Cause of Color explores all aspects of color theory Physics of Color outlines the physics shaping colors ColorSystems history & people behind color theory ColorWorqx multipage encyclopedia of color ColorArts explores use of color by renowned artist Paletton ColorDesigner the best color wheel on the Web Adobe Kuler much improved color wheel Colrd is a fun color discovery site ColourLovers shows hues used in all crafts Colr Org discover all the hues in your images ColorHunter another color hunting website for your images
W3Schools is the premier Web tutorial site; let me repeat, go here first. FOSS is Free Open Software Systems for PC, Mac and Linux with no hassles. TutorialsPoint has broader selection of tools covered but lacks W3's TryIt WebCode Tools CSS3 and other Web code generators CSS3Maker is granddaddy of CSS3 Code generators still vital CSS Portal online CSS Editor, Generator & Resources EnjoyCSS Tool provides advanced styling for text, forms, buttons with code generation CSS Code Beautify or Minimize also does CSS Validations SQLFiddle is for testing SQL database coding using 5 of the most popular SQL databases CodePenIO is a free HTML/CSS/JS code test environ JSFiddle is also a free HTML/CSS/JS code test environ JSBin is a third free HTML/CSS/JS code test environ Data.WorldWonderful source of database data to explore Docs.Data.WorldBasic SQL documentation from head to toe CapterraComprehensive list of software categories PHP Manual starts in medias res
has a great selection of images on popular topics SpliteShire has over 900 free pics and nifty selection of free videos Wikimedia Commons use sidebar for great starting points Plixs starts best in latest images British Library is like Viintage, crammed with oldies but goodie pics US Government - this is just a list of US Gov photo sources Old Books has illustrations and engravings from the vintage era PublicDomainVector yes, gobs of vector images n SVG Free Stock Photos is one of the best organized of the free photo sites Picdrome has about 2000 high quality images Viintage has lots of vintagimages but many are small or luress into premium bus Gratisography has a decidedly whimsical, specialiezd look Little Visuals is different PDPics has broad selections of varying quality Giphy provides good search over good quality images Public Domain Archive has a small number of great photos & list to other free pics Yeah has about 70 good stock photos Pexels is one of the best free pic resources Finda.photo has serach by color & other goodies Great list of free stock photos Unsplash provides a wide selection of free image, many hero-sized Pixabay also provides a good selection of free images Pexels provides a broad selection of free video clips