SEO Stories of Two JavaScript-dependent Websites

Diagram of the render gauntlet request blocking test showing googlebot fetching html, queuing for render, having a resource blocked, then diffing the rendered dom to find critical resources.

Render Gauntlet (Request Blocking) | ohgm

An experiment showing a single point of failure can cause the JavaScript not to load content.

Split test diagram comparing a control product page with an empty price node against a test variant where javascript renders the price for indexing.

Can adding pricing information client-side increase SEO performance?

A case study showing the impact of adding cheapest pricing to a title tag using JavaScript

Diagram of the searchpilot seo split test on product descriptions: the control page hides description text in a javascript tab below the fold, the variant moves that text above the fold in the html, and the measured result is a 14 percent uplift in organic sessions on desktop.

Does Adding Product Descriptions above the fold Improve SEO?

A case study testing the impact of moving product description content above the fold out of…

The impact of removing jquery on our web performance - inside gov. Uk

The impact of removing jQuery on our web performance - Inside GOV.UK

A case study showing the impact when Government team removed jQuery from the website.

Diagram comparing client side rendering, server side rendering, and static generation for web page performance in next. Js.

Improving Web Page Performance Server-Side Rendering with Next.JS

A detailed case study showing the impact of DoorDash migrating to NextJs.

Diagram showing third party api data injected client side may be missing from crawled html, while server side rendering makes the data indexed and useful.

Can You Improve Your SEO With API Data?

A case study testing pulling API data and injecting it onto the page using JavaScript.

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