# SEO4Ajax review (2026): is the free plan enough? > Dynamic rendering service that serves JavaScript pages to bots Checked Oct 23, 2026 ยท graded Oct 23, 2026 by ToolGPA. SEO4Ajax is a dynamic rendering service for JavaScript sites built with React, Vue, Angular and other frameworks. It crawls the site with Chrome, keeps rendered snapshots in a cache and serves them to search engine and social network bots through a few lines of server configuration. Its console reports bot activity, cache freshness, duplicates and broken links. - **Category:** Technical SEO & Site Audits - **Made by:** Capsule Code - **Website:** https://www.seo4ajax.com - **Runs on:** Web - **Who should skip it:** Watch out: a yearly commitment is still charged monthly, and leaving early costs the lesser of three months of fees or half of what remains. - **Facts last checked:** Oct 23, 2026 ## Pricing As of Oct 23, 2026, SEO4Ajax has a free plan, and paid plans start at $29 per month for 20,000 pages, yearly commitment ($39 monthly). - **Pricing model:** Free plan - **Free plan:** Developer plan: 1,000 pages and 2,500 snapshots a month with community support, free for good and with no credit card needed. - **Free trial:** None listed. | Plan | Price | What you get | | --- | --- | --- | | Developer | $0 | 1,000 pages and 2,500 snapshots a month, with community support. | | Project | $29 per month for 20,000 pages, yearly commitment ($39 monthly) | Up to 3 websites, 1 dedicated browser and email support within 48 hours. The Premium version with SEO reports is $39 ($52 monthly). | | Growth | $99 per month for 100,000 pages, yearly commitment ($129 monthly) | Up to 5 websites, 5 dedicated browsers and email support within 24 hours. The Premium version with SEO reports is $132 ($172 monthly). | | Business | $199 per month for 500,000 pages, yearly commitment ($249 monthly) | Up to 10 websites, 10 dedicated browsers and email support within 24 hours. The Premium version with SEO reports is $265 ($332 monthly). | | Custom Plan | Custom | For more than 500,000 pages or 10 sites, or custom support, SLA or browser counts. | Read from https://www.seo4ajax.com/pricing/ on Oct 23, 2026. Prices change, so confirm with SEO4Ajax before buying. ## Ways to pay less - **Save 20% to 26% with a yearly commitment** (Annual discount): Project is $29 a month on a yearly commitment instead of $39 month to month, Growth $99 instead of $129, and Business $199 instead of $249. Source: https://www.seo4ajax.com/pricing/ ## Key features - **Dynamic rendering for bots:** Pages are captured with a current version of Chrome and the cached snapshots are served to search engines such as Google and Bing and to social networks. - **Server snippets and middleware:** The console gives configuration snippets for Apache, Nginx and IIS, and there are middlewares for Express, Django, Rails and Java plus guides for Cloudflare and CloudFront. - **Dedicated capture browsers:** Each plan has dedicated browsers that capture pages in parallel; one browser averages about 200,000 captures a month, enough to refresh a Project site every 3 days. - **Console metrics:** Shows bot activity, cache freshness, duplicate pages and broken links for each site, with metadata exports to CSV. - **Capture hooks and rewrite rules:** Control how pages are captured and return HTTP errors or redirects to bots, page by page or by URL pattern. - **SEO reports:** Premium plans add reports on technical issues that can hurt indexing, such as broken links, duplicates and invalid hreflang tags. ## Good for - Single-page apps that search engines and social bots cannot read - Developers who want rendering added through server config rather than code changes - Small JavaScript sites that fit in 1,000 cached pages for free ## Worth knowing - A yearly commitment is still charged monthly, and cancelling it early costs the lesser of three months of fees or half of what remains. - Pages beyond the allowance cost $1.50 per 1,000 on Project, $1.00 on Growth and $0.50 on Business. - SEO reports need the Premium version of each plan, which costs $10 to $66 a month more on a yearly commitment. - Plans cap the number of websites at 3, 5 or 10, and a 99.9% uptime SLA is an extra $39 or $79 a month on Growth and Business. ## ToolGPA grades **GPA: 2.2 out of 4**, graded Oct 23, 2026. SEO4Ajax crawls a JavaScript site with Chrome and serves cached snapshots to search and social bots, with a free plan for 1,000 pages a month. Every plan needs server configuration, SEO reports cost extra on the Premium versions, and leaving a yearly commitment early costs up to three months of fees. - **Value for money: C.** Project is $29 a month on a yearly commitment ($39 monthly) for 20,000 pages and 3 sites, between this category's cheaper quarter and its middle. The Premium version with SEO reports is $39, and a 99.9% uptime SLA is extra on Growth and Business. - **Free plan and trial: B.** The Developer plan is free for good with no card: 1,000 pages and 2,500 snapshots a month with community support, which covers a small JavaScript site. - **Features: C.** Chrome snapshots served to search and social bots, capture hooks and rewrite rules, and a console showing bot activity, cache freshness, duplicates and broken links. It does dynamic rendering fully, but that's a smaller job, and SEO reports are Premium only. - **Ease of use: D.** No rating on record. You add its snippet to Apache, Nginx or IIS, or a middleware for Express, Django, Rails or Java, before bots see anything. - **Platforms and integrations: B.** Web, with server snippets and middlewares for Apache, Nginx, IIS, Express, Django and Rails, plus Cloudflare and CloudFront guides. No desktop or phone app. These are ToolGPA's own grades. Graded from this listing, whose facts were read from SEO4Ajax's own pages on 23 October 2026. Not based on using the product, and shorter than our full reviews. ## Where it stands among technical SEO tools - SEO4Ajax's GPA of 2.2 is higher than 20 of the 83 other technical SEO tools we grade, and level with 20. - It stands best on free plan and trial (B, above 51 of 83) and worst on ease of use (D, above 0). - Its paid plans start at $29 a month, against a middle price of $22.41 for the category: 27 of the 52 others that charge start lower. - On features, ease of use and platforms it scores 2.0 out of 4. 27 tools score higher and cost less. The category's chart of price against score: https://toolgpa.com/charts/technical-seo ## Keep it, or make your own? **Keep it.** Nothing SEO4Ajax does is plain enough to make in a weekend. The 2 things listed below take a company. That makes this kind of software worth paying for, not this one in particular: 43 of the 83 other technical SEO tools grade higher. It costs $348 a year. - You could not: A crawler that checks every page of a site. - You could not: It plugs into other products, Apache, Nginx and IIS among them, and has an API. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. ## Works with Apache, Nginx, IIS, Express, Django, Ruby on Rails, Cloudflare, Amazon CloudFront **Tags:** Public API, Site audit ## Alternatives - [Prerender.io](https://toolgpa.com/tools/prerender-io): Serves rendered HTML of JavaScript sites to search and AI crawlers. [Compare](https://toolgpa.com/compare/prerender-io-vs-seo4ajax) - [Headless-Render-API](https://toolgpa.com/tools/headless-render-api): Headless Chrome API for pre-rendering, screenshots, PDFs and scraping. [Compare](https://toolgpa.com/compare/headless-render-api-vs-seo4ajax) - [Alli AI](https://toolgpa.com/tools/alli-ai): SEO automation that edits pages and pre-renders them for AI crawlers. [Compare](https://toolgpa.com/compare/alli-ai-vs-seo4ajax) ## Sources The prices, plans, platforms and features above were read from these pages on Oct 23, 2026: - https://www.seo4ajax.com/pricing/ - https://www.seo4ajax.com/ - https://www.seo4ajax.com/about/ - https://www.seo4ajax.com/docs/ - https://www.seo4ajax.com/docs/getting-started/ Page: https://toolgpa.com/tools/seo4ajax Listed by ToolGPA (toolgpa.com).