seo4ajax

Name: seo4ajax
Author: Capsule Code

GoodBotVerifiedBOT

The seo4ajax bot is used by a service that helps make single-page applications (SPAs) crawlable by search engines. It pre-renders JavaScript-heavy pages into static HTML so they can be indexed. Operated by Capsule Code.

Operator website ↗

GoodBot

Assessment

SEO

What is seo4ajax?

seo4ajax is a web crawler operated by Capsule Code. The seo4ajax bot is used by a service that helps make single-page applications (SPAs) crawlable by search engines. It pre-renders JavaScript-heavy pages into static HTML so they can be indexed.

Helpful — Verified, safe crawler. Respects robots.txt and provides operator documentation.

Identification

Bot name

seo4ajax

Operator

Capsule Code

Why it crawls your site

seo4ajax crawls websites to analyze search engine optimization factors and backlinks. It is operated by Capsule Code as part of their SEO analysis infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

Block or allow seo4ajax

Block it

Add a Disallow rule for seo4ajax.com in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block seo4ajax from crawling your entire site
User-agent: seo4ajax.com
Disallow: /

# Allow seo4ajax full access
User-agent: seo4ajax.com
Allow: /

Allow & verify

Ensure your robots.txt allows seo4ajax.com. Verify requests are genuine by checking the user-agent string and referring to Capsule Code's documentation.