robots.txt
A file defining fetch rules for crawlers that follow them. It is not protection for private data. A blocked address can still appear in results; blocking does not replace authentication or noindex.
Definition and sourcesKNOWLEDGE / FROM A TO Z
Glossary
Technology, explained clearly. Find a term, choose a letter or narrow the topic. Definitions include sources and their review date.
Terms 29 / 685
Clear filtersrsync
A local and remote file-synchronisation tool reducing unchanged transfers. Deletion options need care; synchronisation is not automatically a versioned backup.
Definition and sourcesRTO and RPO
RTO targets restoration time; RPO targets the tolerable data-loss point in time. These are design objectives requiring recovery-test validation.
Definition and sourcesRuby on Rails
A Ruby web-application framework based on conventions and MVC architecture. It includes data models, routing and testing tools.
Definition and sourcesRWD (Responsive Web Design)
Designing layouts that adapt to available screen space through flexible structures, images and CSS media queries. Responsiveness supports usability but does not by itself establish full accessibility.
Definition and sources