RESOURCE INDEX
Choose an area then explore SDLA-built tools, examples, references, and implementation guides.
SDLA resources
Tools may run in the browser, provide reusable code, or offer implementation guidance.
School Data Utilities
Prepare, validate, clean, and safely simulate school data before it reaches a production workflow.
Tool
Drop your csv or excel files here to see where those pesky prohibited characters are hiding! The tool covers all 28 prohibited ascii characters.
Recipe
Inspect CSV headings, column counts, blank rows, duplicate records, untidy whitespace, and other common structural problems before a file enters an SIS, assessment platform, or reporting workflow.
Tool
Generate fictional student records for demonstrations, development, testing, and training without placing actual student information into nonproduction workflows.
Tool
Build and test regular expressions for identifying, validating, and transforming recurring patterns in school data. Copy the resulting expression for use in scripts, editors, or data-cleaning workflows.
Inspect page structure, code validity, contrast, metadata, and accessible HTML before publishing.
Accessible Table Generator
Tool
Create responsive UIkit 3 data tables with captions, column headers, optional row headers, and selected display treatments. Preview the result and copy accessible semantic HTML for use in Joomla and other web pages.
ADA Color Contrast Checker
Tool
Compare foreground and background colors and determine whether the combination meets common accessibility contrast thresholds for normal text, large text, and interface elements.
Code Validation Tools ( HTML, CSS, and PHP)
Reference
Find appropriate markup, stylesheet, and server-side validation resources for checking HTML, CSS, and PHP code before publication or deployment.
H1 Website header checker
Tool
Meta Page Checker
Tool
Review essential page metadata and identify missing or weak elements that affect search results, link previews, and accurate page identification.
Multiple H1 Checker
Recipe
Identify webpages or supplied markup containing more than one H1 so heading-hierarchy problems can be reviewed before publication.
Styled Rectangle Generator
Tool
Configure a reusable rectangular interface element, preview its appearance, and copy the generated styling for use in a webpage.
Code Builders and References
Generate reusable markup, examine implementation patterns, and work with common technical formats.
Codepen Embed Example
Example
Examine a working CodePen embed and the markup used to place an interactive coding example inside an SDLA Joomla article while retaining access to the original pen.
HTML Tags Explained
Reference
Review frequently used HTML elements, what they communicate to browsers and assistive technology, and when each element is appropriate.
JSON Formatter & Validator
Tool
Format compact JSON for easier inspection and identify structural errors before using the data in an API, configuration, or import workflow.
Miscellaneous Coding Resources
Explore specialized implementations that do not yet belong to a larger Coding Solutions resource family.
Create a Category-Only Coding Solutions Search in Joomla
Walkthrough
Configure Joomla Smart Search to return results only from the Coding Solutions collection, giving technical staff a focused search experience without unrelated site content.
