Spectra 3.x icon

Websites using Spectra 3.x

Spectra is a WordPress plugin that provides a collection of new and enhanced blocks for the WordPress Block editor.

Lead List Exporter

5.5k live Spectra 3.x sites, ready to export.

That's how many Spectra 3.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

Open the Lead List Exporter

Just need a few domains? Export up to 10 free from a subset of our crawl.

Start with a list template

Every Spectra 3.x website we detected in the United States.

Only sites where a personal, company-hosted email was found.

Sites with at least one personnel LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to Spectra 3.x websites on .com domains.

Only sites where an organisation phone number was found.

Create your own
Versions

Which Spectra 3.x versions are most used?

We could read a version number on 100% of Spectra 3.x sites. Of those, the most common is Spectra 3.0.0, on 5,512 sites.

100% on v3.0.0
Versions detected
1
Sites with a version
5,512
Live Websites

Websites Using Spectra 3.x

A sample of live Spectra 3.x sites from our latest crawl, with the other technologies each one runs.

How many websites use Spectra 3.x?

We found Spectra 3.x on 5,512 websites in our September 2026 crawl, across 93 countries.

Which countries use Spectra 3.x the most?

By number of websites, the top countries are United States (18%, 981 sites), Cyprus (15%, 816 sites), Germany (9%, 519 sites), France (8%, 453 sites) and India (8%, 452 sites). Together they account for 58% of the 5,512 Spectra 3.x sites we track. 49% of the sites are in English, and .com is the most used domain ending, on 52% of them.

Where are Spectra 3.x websites hosted?

The networks carrying the most Spectra 3.x sites are Hostinger International Limited (2,698 sites), Cloudflare, Inc. (350 sites) and IONOS SE (198 sites).

What technologies are used with Spectra 3.x?

Across the 5,512 Spectra 3.x sites we track, the technologies most often found alongside it are MySQL (100%, 5,512 sites), PHP (100%, 5,512 sites), WordPress (100%, 5,512 sites), WordPress Block Editor (100%, 5,512 sites) and jQuery (71%, 3,918 sites).

Deep Dive

Breakdown of Spectra 3.x websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of Spectra 3.x websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.