Ahrefs vs Seodar

Ahrefs is a web and API platform for SEO research, including keyword research, rank tracking, site audits, backlink analysis and competitor research. It also provides content tools, AI assistants and MCP access. Content Explorer can find web mentions and link prospects, while AI Content Helper supports content improvement. The free plan provides site data and fixes with limited access to Site Explorer and Site Audit. Paid plans start with Starter at $29 a month. Lite costs $129 a month and includes five projects, 750 tracked keywords, 100,000 monthly crawl credits and one user; its Site Audit allowance has a 25,000-page project maximum. Annual payment saves up to 17%. Enterprise costs $1,499 a month and requires an annual commitment; it includes SSO, two-factor authentication, ISO27001 certification, access management, audit logs and unlimited additional users. Ahrefs says its web index contains 170 trillion pages, tracks 41.9 billion keywords and filters 28.7 billion keywords; AhrefsBot crawls 8 billion pages daily. Founded in 2010, the company is headquartered in Singapore. Multilingual support is available five days a week.

Seodar is a web and API website auditing service for technical SEO. It crawls sites, runs 195 checks, and orders fixes by expected impact. Audits cover indexability and crawling, metadata, content, links and media, and performance. Each audit receives a score out of 100 with its arithmetic shown, while findings are expressed as rates per page. The crawler decides per page whether JavaScript rendering is needed based on script weight and reports what rendering found. Accessibility checks use axe-core against WCAG 2.0, 2.1, and 2.2 at levels A and AA on a rendered sample; Seodar says this is not compliance certification. Connections include Cloudflare, Google Search Console, Google Analytics, and Bing Webmaster Tools with read-only access. A read-only API and MCP server query audit data. SeodarBot identifies itself, follows robots.txt and Crawl-delay, and pauses between requests. The free plan covers one site and 200 pages per crawl; paid plans start at €29/mo.