All Resources
Progressive Hydration Explained
Understanding the concept of Progressive Hydration in React
Sitebulb JavaScript SEO Training
Comprehensive training on JavaScript SEO, covering crawling, rendering, and debugging JavaScript-powered websites.
Screaming Frog
Desktop-based crawler capable of rendering JavaScript for deep SEO audits.
Next.js SEO Plugin
Next.js plugin to handle SEO metadata efficiently within React applications.
WWJD – What Would JavaScript Do?
Tool by Onely to visually compare a page with and without JavaScript.
TL;DR – Too Long; Didn’t Render
Tool by Onely that measures JavaScript rendering cost on a page.
Understand JavaScript SEO Basics
Official Google's documentation on basics of JavaScript SEO and indexing.
Fix JavaScript SEO Problems
Google's official guide to troubleshooting JavaScript rendering problems.
Next.js SEO Guide
Official interactive Next.js course focusing on SEO fundamentals and strategies.
Why Choose Next JS Over React?
So, what makes Next.js different so that the world’s top companies choose it? What is the main advantage of Next.js?
Ultimate Guide to JavaScript SEO
Onely guide to JS SEO, great comprehensive resource.
Next.js App Router SEO Guide [legacy]
Legacy guide: Practical guide to implementing SEO effectively with Next.js App Router.
You Might Not Need JQuery
At the very least, make sure you know what jQuery is doing for you, and what it's not.
View Rendered Source
A lightweight Chrome Extension that shows you how the browser has constructed (rendered) a page's original HTML into a functioning DOM, including modifications made by JavaScript.
Webinar Recording: Real-World JavaScript SEO Problems
Sitebulb’s Patrick Hathaway was joined by an expert panel of Aleyda Solis, Sam Torres and Arnout Hellemans to discuss all things JavaScript.
Next JS Rendering
Official Next documentation on rendering types and how Next deals with them by default, and the options available for the framework.
How To Do a JavaScript Audit for SEO
A great comprehensive JavaScript audit guide from Ontario based SEO Consultant Sara Taher.
Sitebulb JavaScript SEO Report 2024
A brilliant report from Sitebulb highlighting the knowledge gaps in the SEO industry as well as some important areas we need to focus on.
How to do a JavaScript Audit for SEO - by Sam Torres
A comprehensive guide to auditing JS for SEO written by Samantha Torres of Gray Dot.
The Rise of the AI Crawler
A 2024 study by Vercel that looks at the state of AI crawlers and JavaScript. Essential reading.
How to Fix Technical SEO Issues on Client-side React Apps
Uncover rendering and indexing issues caused by a React client-side-powered app and how to prevent SEO nightmares.
RSC Playground
Dan Abramov's RSC Playground is a neat little visualiser to demonstrate how some of the tech around server components renders.
Sitebulb Response vs Rendered Report
Identify JavaScript SEO issues at scale using the Response vs Render report to spot template-level rendering problems and see exactly what search engines and LLMs can access. Detect indexing risks early, including missing canonicals or meta robots directives injected via JavaScript. Use Single Page Analysis to inspect individual URLs, and flag links that rely on JavaScript, ensuring internal link equity is passed through HTML, not client-side execution.
Rendering Difference Engine
The tool from The Grey Company immediately highlights discrepancies between response HTML and rendered HTML for any page. It groups and reports findings based on the key SEO elements that impact how Google crawls, understands, and indexes URLs.
Making Sense of Next.js Caching for Developers and SEOs
Breaking down the core concepts of caching in Next.js from the perspective of a technical SEO: someone who spends a lot of time thinking about how information gets discovered by crawlers.
Audisto JavaScript Crawler
Retrospective debugging with complete HTML, resource and JS console log storage. Analyze rendering issues and track DOM or content changes.