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Comparison

Prerender vs. SEO4Ajax

Prerender’s dynamic rendering solution goes beyond SEO4Ajax by offering a configurable caching interval. This gives you control over how often search engines see your latest updates, making our tool the best rendering solution for enterprise websites.

Explore more about Prerender, an SEO4Ajax alternative.

Keep Your Content Updated With Configurable Caching Intervals

Serve Google and your customers the most up-to-date content of your JavaScript site with Prerender’s advanced caching and recaching solutions.

Customizable Cache Freshness

Adjust how long your content remains cached before refreshing. Configurable from 30 days to 6 hours.

Recaching

Render and cache your page again to reflect content updates. Adjustable for on-demand or automatic recaching.

Cache Managers

Take control with manual refreshes, delete cached pages, and adjust cache parameters to customize your settings.

Sitemap Reload Interval

Choose how frequently your sitemap information updates. Configurable from hourly to weekly.

Simple Implementation

Prerender vs. SEO4Ajax Feature Comparison

Unlike SEO4Ajax, Prerender doesn’t limit your performance with fixed browser quotas or domain restrictions. Our solution scales seamlessly to handle your SEO needs, ensuring optimal performance for all your pages.

Prerender
SEO4Ajax
Overview
Best for
SPAs and enterprise-size websites looking for an advanced pre-rendering solution
SPAs that need a scalable solution on a budget
Dynamic rendering
Yes
Yes
Ease of use
Easy
(3-step integration)
Less intuitive
SEO reporting feature
Yes, with Keyword rank tracker,
SEO scoring, and 404 checkers
Yes, with SEO reporting
(as an add-on)
Prerender
SEO4Ajax
Overview
Prerender
SEO4Ajax
Best for
SPAs and enterprise-size websites looking for an advanced pre-rendering solution
SPAs that need a scalable solution on a budget
Dynamic rendering
Yes
Yes
Ease of use
Easy
(3-step integration)
Less intuitive
SEO reporting feature
Yes, with keyword rank tracker,
SEO scoring, and 404 checkers
Yes, with SEO reporting
(as an add-on)
Prerender
SEO4Ajax
Mobile-first rendering
Yes
Yes
Location-specific rendering
Yes
Not clear
On-the-fly snapshot
Yes
Yes
Snapshot caching
Yes
Yes
Cache manager
Yes
Not clear
Cache freshness interval
As fast as 6 hours
(depending on the plan)
Up to three times a week
(depending on the website’s size)
Recaching
Yes
Limited
Sitemap reload interval
Yes
Not clear
Domain limits
N/A
From 3 to 10 domains
Dedicated browsers
Not needed
From 1 to 10
API control
Yes
(Add/remove cached pages, add sitemaps, etc.)
Yes
Prerender
SEO4Ajax
Sitemap monitoring
Yes
Yes
Crawl and render analytics
Yes
Not clear
CDN analytics
Yes
Not clear
Email alerts
Yes
(Quota overage, weekly page error reports, etc.)
Yes
Fault detection and tolerance
Partially
(Activate the 504 request retries 3 times)
Yes
Prerender
SEO4Ajax
Knowledge base
Yes
Limited
Email and call support
Yes
Email only
Onboarding and account manager support
Yes
(for Custom plan or as an add-on)
Not clear
Multi-user accounts
Yes
(for Custom plan)
Yes

Learn the full range of Prerender features.

Prerender vs. SEO4Ajax Pricing Comparison

While SEO4Ajax offers a seemingly lower initial cost, its pricing structure lacks transparency and imposes storage limits, potentially leading to unexpected expenses.

Prerender provides a more predictable pricing model based on rendering activities, and storage is included. This makes Prerender a more cost-effective solution for large websites.

Prerender
SEO4Ajax
Pricing based on
Rendered page
(caching, recaching, and when a bot requests an uncached page)
“Pages”
(unclear definition)
Free plan option
Yes, for 1,000 renders per month
Yes, for 1,000 pages per month
(SEO reporting feature excluded)
Pricing plan
Start from $90 per month,
with a custom pricing option and add-on services
Start from $52 per month,
with a custom pricing option

Find out how cost-effective Prerender pricing can be.

More Reasons to Choose Prerender Over SEO4Ajax

A Plug-and-Play JavaScript SEO Solution

Prerender seamlessly renders websites built with popular JS frameworks and libraries. There’s no need to change your tech stack; the integration process involves just three simple steps.

Built-in Keyword Rank Tracker, SEO Scoring, and 404 Checker

Prerender identifies pages requiring keyword and technical optimization to safeguard your SEO health. This includes monitoring keyword rankings, detecting missing metadata, identifying 404 errors, and more.

World-Class Customer Support

Access our comprehensive knowledge base or contact our reliable customer service team to enhance your site’s performance.

Trusted by Well-Established Companies

Giants like Salesforce and Wix trust Prerender to serve their pages to crawlers. Explore our success stories to see how we make Google prioritize our user’s websites on SERPs.

Don’t Let Outdated Content Sink Your Sales

Get your SPAs easily crawled, indexed, and found. Get started with Prerender now.

Prerender vs. SEO4Ajax FAQs

Uncertain about Prerender as an SEO4Ajax alternative? We’ve got you covered!

Dives deep into Prerender and the differences between Prerender and SEO4Ajax to help you choose the best dynamic rendering solution for your JavaScript website.

Prerender is a great SEO4Ajax alternative. While both Prerender and SEO4Ajax offer dynamic rendering solutions for Single-Page Applications (SPAs) and JavaScript-based websites, Prerender shines for large-scale sites. Here’s why:

  • Advanced (re)caching: control cache refresh intervals to guarantee search engines always see your latest content.
  • Unlimited browser rendering: Prerender doesn’t cap the number of browsers that render your pages.
  • Comprehensive documentation: get the necessary resources (onboarding, troubleshooting, and FAQs) for smooth implementation and ongoing success.
  • Transparent pricing: clear and upfront pricing that shows exactly what you’re paying for.
  • Proven track record: big names like Walmart and Netlify rely on Prerender to improve their content indexing and visibility.

Prerender is best for enterprise-sized websites, especially those in ecommerce, job listings, travel, or real estate industries that rely heavily on dynamic JavaScript content.

By pre-rendering JavaScript pages into static HTML, Prerender significantly accelerates indexing, reducing Google’s processing time and boosting website performance. With an average server response time (SRT) of just 50 milliseconds and customizable caching options to maintain content freshness, Prerender ensures search engines always see the most up-to-date information.

Pre-rendering is the process of rendering content before or at the time a user agent requests a page. This reduces the load on Google crawlers when indexing your JavaScript content, resulting in faster indexing, perfect content indexation, and efficient use of your crawl budget. Consequently, your PageSpeed scores will improve, boosting your technical SEO health and page visibility.

Learn more about pre-rendering with Prerender and how it compares to other rendering techniques.

Yes, Prerender can indirectly help you boost your content rankings and technical SEO performance. Here’s how:

  • Faster indexing: Prerender transforms JavaScript content into its HTML version, significantly improving crawling performance and reducing indexing time.
  • Fresh content visibility: any content updates made are promptly reflected on SERPs, keeping your search results fresh and accurate.
  • Improved Core Web Vitals: pre-rendering reduces page load times and minimizes layout shifts, two key factors in Core Web Vitals.
  • Strengthen SEO signals: the benefits of content pre-rendering signal to Google that your website is trustworthy, contributing to a healthier SEO and higher ranking.

Learn more about Prerender’s benefits to your web performance, visibility, and subsequent sales.