Services

JavaScript (EcmaScript) Context: frontend-dev-bookmarks / Languages, Protocols, Browser APIs JavaScript is a full-fledged dynamic programming language that, when applied to an HTML document, can provide dynamic interactivity on websites. It is defined by ECMAScript standard.

Emailing Elastic Email Emaillabs Parsio Email Parser Postmark SendGrid SparkPost Mailazy Elastic Email Pricing page Free tier: 100 emails/day Pros: powerful insights, HTTP API, 24/7 support Exceeding the free tier: billing starts, no service interruptions Emaillabs Pricing page

Organizations Context: frontend-dev-bookmarks / Ecosystem Commercial companies and nonprofit organizations around web development. Airbnb: Airbnb is a website for people to list, find, and rent lodging. Airbnb CSS + Sass Style Guide: This style guide covers Terminology, Rule Declaration, Selectors, Properties, Formatting, Comments, OOCSS and BEM, ID Selectors, JavaScript hooks

Misc Argonaut ExchangeRate-API FingerprintJS Pro Geocodio Let’s encrypt Mailtrap ostr.io Taskade Warrant Argonaut Argonaut Free Tier: Unlimited apps and deployments for 5 environments and 2 users Pros: App deployment and infrastructure management in one place, bring your own cloud Limitations: Currently support only AWS Exceeding the free tier: Can continue using; our team will reach out ExchangeRate-API Home page

App Testing Applitools LambdaTest Sauce Labs TestingBot Applitools Pricing page Free tier: Free for open source. A free tier for a single user is also available with 25 visual validations/week, 1 concurrent run and 1 week data retention.

Functional Reactive Programming (FRP) Context: frontend-dev-bookmarks / Architecture FRP is a programming paradigm for asynchronous dataflow programming using the building blocks of functional programming. A General Theory of Reactivity: Kris Kowal describes popular primitives of Reactive Programming and some use cases.

Documentation Context: frontend-dev-bookmarks / Workflow Writing, generating, publishing and consuming documentation for web deliverables. Atomic Docs: Atomic Docs is a styleguide generator and component manager. Atomic Docs is built in PHP.

E-Mail Context: frontend-dev-bookmarks / Compatibility Preparing HTML based electronic mail. Bulletproof E-Mail Buttons: Design gorgeous buttons using progressively enhanced VML and CSS. Email Lab: This a project for developing and testing email templates.

Messaging queue services CloudAMQP Google Cloud Pub/Sub CloudAMQP Pricing page Free tier: 1M messages/month, 100 queues, up to 20 concurrent connections, 10k queued messages Pros: offers replication, monitoring, administration interface; supports following hosting providers: AWS, Azure, Google, Digital Ocean Limitations: Allows maximum idle queue time of 28 days (can be removed by removing the default policy) Google Cloud Pub/Sub Pricing page

Website audit Checkbot Checkbot Pricing page Free tier: Free tier for small websites (less than 250 URLs). Pros: Browser extension that tests if your website follows 50+ SEO, speed and security best practices.

News Context: frontend-dev-bookmarks / Ecosystem Websites & newsletters which provide daily and weekly news related to frontend web development. A Drip of JavaScript: One quick JavaScript tip, delivered to your inbox every other week.

Searching Algolia Algolia Pricing page Free tier: 10,000 records (schemaless object), 100,000 operations (CRUD)/month Pros: Integration with lots of services, lots of redundant backups, CDN, unlimited collaboration, easy to use analytics dashboard Limitations: a “powered by Algolia” notice next to the search results when using the free tier, records are limited to 10KB, each sorting strategy (e.

Design Patterns Context: frontend-dev-bookmarks / Architecture Best practices that the programmer can use to solve common problems when designing an application or system. CSS Modules: A CSS Module is a CSS file in which all class names and animation names are scoped locally by default.

Web Scraping Apify ProxyCrawl Scraper API PhantomJsCloud Apify Apify Home Page Free tier: 5,000 Free Page Crawls Per Month Pros: Handles proxies, provides simple interface and url classification to make scraping easier Limitations: Rate limited to 1 crawler at a time, data retention of 7 days.

Scalable Vector Graphics (SVG) Context: frontend-dev-bookmarks / Languages, Protocols, Browser APIs An XML-based vector image format for two-dimensional graphics with support for interactivity and animation. Tools And Resources For Editing, Converting And Optimizing SVGs: This article will provide you with tools and resources to simplify editing, converting, optimizing, and delivering SVGs.

UI Kits Context: frontend-dev-bookmarks / User Interface Components Collections of ready to use components. CloudFlare Components: A set of UI components built by CloudFlare and based on React. Ink: An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping.

Error Reporting Bugsnag LogRocket Muscula Rollbar Sentry Bugsnag Pricing page Free tier: 7,500 free events monthly, unlimited projects, issue tracker and chat integrations, 7-day data storage Pros: Advanced error search and filtering, error spike and regression alerts, daily and weekly summary emails, support for sourcemaps, dSYMs, and Proguard mapping files Limitations: Limited to 1 user Exceeding the free tier: Error reporting continues, but only new errors will be recorded.

Typography Context: frontend-dev-bookmarks / Appearance The style, arrangement, or appearance of typeset matter. A Comprehensive Guide to Font Loading Strategies: Zach Leatherman describes different approaches to loading of web fonts.

Push notifications Azure Notification Hubs Batch Firebase Push Ionic Push onesignal Azure Notification Hubs Pricing page Free tier: 1,000,000 notifications, 500 active devices per namespace Pros: No daily quotas, supports Windows Notification Service, Apple Push Notification Service, Google Cloud Messaging and Microsoft Push Notification Service Limitations: 500 active devices, free tier has no SLA and no scheduled pushes Exceeding the free tier: Pushes are interrupted when 1,000,000 sent.

Web Accessibility Context: frontend-dev-bookmarks / Compatibility Web accessibility means that people with disabilities can perceive, understand, navigate, and interact with the Web, and that they can contribute to the Web.