BrightLocal is a local SEO software platform with tools described as helping users monitor, audit and improve local SEO. Its stated functions include tracking local rankings, auditing citations, auditing local SEO, and managing and building business listings. A 14-day free trial is offered.
Directory
Search results
Published directory entries matching your search.
BROWSEO is a web app for viewing web pages without distracting styles and with SEO-relevant parts highlighted. It requires no download or installation; a URL is entered to start. The output focuses on pure HTML similar to what search engines see, with toggles for elements such as server response code, headings, links and META information.
PrivacyTests.org is an open-source privacy audit that subjects major web browsers to automated tests. It covers desktop browsers, private modes, iOS and Android browsers, and nightly builds, and reports results across privacy test categories.
Browser Tamer helps compare, test, package, or manage web browsers and browser-based apps.
BrowserBench.org hosts browser benchmarks. Speedometer measures the responsiveness of web applications and is maintained by major browser engine developers under an open governance model. JetStream 3.0 is a JavaScript and WebAssembly benchmark suite focused on advanced web applications. MotionMark tests browser graphics systems.
) - in-memory-only nodejs relay for testing/hacking on. Stupid simple, <100 LOC.
cargo is a developer tool, library, or framework for building, testing, or maintaining software.
CF Temp Mail provides temporary or disposable email addresses for quick signups and inbox testing.
Check Usernames is an online tool that helps users work with usernames, digital identities, or related information for research and testing.
Checkbot SEO checker checks page speed, performance, technical issues, and web quality signals.
CheckSocks5 helps find, check, or use proxy services for alternate web access and privacy testing.
claude-skills crawls websites to audit SEO, accessibility, performance, and technical page issues.
Clicks.so helps audit websites, improve search visibility, and monitor SEO or analytics performance.
Online code playground for testing HTML, CSS, and JavaScript snippets in the browser.
CodSpeed provides continuous performance testing for CI. It runs benchmarks in the CI pipeline, reports regressions in pull requests, and offers autonomous performance optimization. A documentation quickstart describes connecting a repository and setting up benchmarks, either through an automated wizard or manual configuration, including plugins for languages such as Python and C++.
CP Editor is an IDE for competitive programmers that automates compilation, execution and testing. It fetches sample test cases from competitive programming platforms and can submit solutions to Codeforces, with support for C/C++, Java and Python.
DeepEval is an open-source LLM evaluation framework, described as similar to Pytest but specialized for unit testing LLM apps. It provides evaluation metrics such as G-Eval, task completion, answer relevancy and hallucination, which use LLM-as-a-judge and other NLP models running locally. It can evaluate LLM apps end-to-end, complete agent trajectories, and individual agent steps.
ContextQA is an AI test automation platform for enterprise applications and AI agents. It generates test cases, repairs broken selectors automatically, and supports web, API, cross-browser, and cross-device testing. It also offers MCP integration with Cursor and Claude Code.
CoVaxxy helps audit websites, improve search visibility, and monitor SEO or analytics performance.
Cranfield University is a higher education institution that partners with businesses to deliver research, postgraduate education and professional development. It hosts virtual open days for prospective students and provides expert consultancy and testing services to external partners.
crawlie crawls websites to audit SEO, accessibility, performance, and technical page issues.
CroxyProxy helps find, check, or use proxy services for alternate web access and privacy testing.
CRX Downloader is a Chrome extension downloader that downloads Chrome extensions as zip or crx files. The site says these files can be used with testing tools like selenium or to view the extensions' content.
An introductory course on programming with Python. It covers reading and writing code, testing and debugging, functions, variables, conditionals, loops, exceptions, unit tests, third-party libraries, regular expressions, classes and file handling. It is designed for students with or without prior programming experience. The course's ten weeks of material are available free via OpenCourseWare.