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Published directory entries matching your search.
A sorted list of technical on-page SEO best practices from 9elements, organized by HTML tags. It covers the title, meta description, heading, alt, canonical, Open Graph, responsive site meta and robots tags, with notes on recommended lengths and keyword use.
Server Survival is a free, open-source browser game that teaches cloud architecture through 25 campaign levels in 11 languages, without installation. It covers topics such as load balancing, caching, autoscaling, circuit breakers, multi-region failover and GPU inference economics.
Seterra is a free map quiz site offering over 400 quizzes that cover countries, capitals, flags, cities, rivers, mountains and other geography topics. The site also offers quizzes on anatomy and science, and printable downloads for educators. It can be played on mobile devices.
Settei Dreams is described as an archive of animation production materials, including settei, color designs, artbooks, storyboards and production sketches. The site states the materials are intended as references for animation practice, fan art, 3D models and cosplay, and asks that settei not be printed and resold for profit.
A guide for beginners that organizes links to topics such as adblocking and privacy, artificial intelligence, movies, television and anime, music and podcasts, gaming and emulation, books and comics, downloading, torrenting, educational resources, tools, Android and iOS, Linux and macOS, non-English sites, and miscellaneous resources.
ShadeMap is an online tool that simulates sun shadows for any date and time at any place on Earth. It simulates shadows cast by buildings, trees and terrain in 3D and can generate shadow accumulation and shadow accrual maps. The service runs online without installing or buying Google Earth Pro.
Shorpy is an archive of vintage photographs, featuring thousands of high-resolution scans made from large-format negatives. The photos are categorized by theme, such as cities, railroads, cars and World War II, and are browsable by photographer and location. The scans are available as framed prints or stock images.
Show Hidden is a userscript page for adding browser features, interface tweaks, or automation to websites.
Sight Reading Factory is a cloud-based service that generates customizable sight reading exercises on demand. It offers multiple difficulty levels and unlimited exercises for piano, guitar, voice, strings, woodwinds, brass, and percussion. Students can practice in a web browser or iOS app, and educators can create assignments and use auto assessment.
Sign Dictionary helps learn languages with dictionaries, reading tools, lessons, pronunciation, or study resources.
An online American Sign Language dictionary offering signs for hundreds of words and phrases, demonstrated in video by Dr. Byron Bridges. Visitors can browse signs by category or use a beta sign search, and the site points to additional ASL courses and workbooks.
SignDeaf is a website for learning British Sign Language online, with a BSL dictionary containing videos, handshape guides and CEFR-graded difficulty ratings. It offers a Sign of the Day, categories and six CEFR levels from A1 to C2, and states that new signs are added every week. The site describes itself as a Deaf-first platform and states that the full dictionary and tools are free.
Sign Learner is a free browser extension for learning sign language while browsing the internet. It highlights words on web pages at random, and hovering over a highlighted word shows the corresponding sign in either ASL or BSL. Signs are drawn from a bank of over 6000 signs, and the extension is available from the Chrome Web Store.
Signs is a platform for learning American Sign Language with a webcam and AI, offering real-time feedback. Users can also record signs and contribute them to a growing public dataset of ASL videos. The platform is supported by NVIDIA.
SignSchool is a resource for learning American Sign Language online. It offers video-based learning material, interactive exercises, quick lectures and reviews, and a modular curriculum, available on desktop, iOS and Android. The site describes itself as a fun and free resource for learning ASL at one's own pace.
SignWiki helps explore knowledge, places, timelines, entities, or reference information from open sources.
Simple Wiki is the Simple English Wikipedia, a free, collaboratively edited online encyclopedia that uses basic English vocabulary and shorter sentences. It is designed for users learning English, including children and adult learners, and hosts over 285,704 articles. All content is available under the Creative Commons Attribution/Share-Alike License 4.0 International and the GNU Free Documentation License, and any user can create or edit pages.
Sinosplice is a blog focused on learning Mandarin Chinese, maintained by John Pasden. It offers free resources including a beginner's guide to Chinese pronunciation, a guide to the five stages of learning Chinese, material on learning tones, tone pair drills and Chinese grammar hurdles, alongside articles about life in China.
Siril is an astronomical image processing tool. It supports preprocessing steps such as calibration, stacking and enhancement, and tools for analyzing star brightness variation and astrometry. It can process SER videos and FITS cubes, and algorithms run on all computer cores. Versions are offered for Linux, Windows and macOS.
SKiDL is a Python module for describing the interconnections of electronic circuits and components. The resulting Python program performs electrical rules checking and outputs a netlist used as input to a PCB layout tool.
An X account of Gunter Krebs, who identifies himself as a spaceflight historian and analyst, physicist and editor of Gunter's Space Page. The profile states he is also reachable on Mastodon.
Sign Language Dictionary is a record of Signed language featuring over 1,000 signed words spanning over 100 years. It serves as a multilingual dictionary and a guide to the meaning, usage, and history of signed words and phrases intended for researchers in all disciplines.
Slangit is a slang dictionary service accessible via its website and mobile apps. It provides definitions for thousands of slang terms, acronyms, and abbreviations, with daily updated entries, a term of the day feature, and free offline-capable apps for Android and iOS.
SLYNYRD is an animated pixel art gallery of works by Raymond Schlitter. The listed pieces document frame counts, dimensions, color counts and frame timings, including a Titan launch scene from the game Hyper Echelon. Some entries offer prints and merchandise.
