
Ahrefs
SEMRush
Moz
Serpstat
SE Ranking
Profound
Surfer SEO
Otterly.AI
ToolTrace
ScrapingBee
Firecrawl
Apify
ScrapingBot
Scrapy
ZenRows
Zyte
Ahrefs is trusted by SEOs and marketing professionals worldwide as the ultimate toolset for SEO, powered by industry-leading data. Ahrefs crawls the web, stores tons of data and makes it easily accessible via a simple user interface. The data can be used to aid keyword research, link building, content marketing and SEO strategies. Ultimately, the tool helps to accelerate the growth of organic search traffic to a website.
ToolTrace is a developer-first platform of web intelligence APIs. Instead of building and maintaining scrapers, developers get clean, structured data from any public webpage through simple API calls.
Production APIs: - Web Scraping API โ extract Markdown, text, and HTML with static or browser rendering - Content Extraction API โ pull clean article content from any URL - Metadata Extraction API โ titles, descriptions, Open Graph, Twitter Cards - Link Extraction API โ all links from a page, classified and normalized - Schema Extraction API โ JSON-LD structured data from any page - SEO Audit API โ on-page SEO diagnostics and scoring - Sitemap Inspector API โ parse and validate XML sitemaps - Tech Stack Detection API โ identify technologies across 16 categories
Built for AI agents with native integrations for LangChain, LlamaIndex, MCP, CrewAI, and Vercel AI SDK. RAG-ready chunked output. Handles JavaScript-rendered pages with headless browser rendering.
Free tier with 1,000 credits. Pro from $9.50/month (founding member pricing). Unified credit pool across all APIs.
Ahrefs
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ToolTrace's answer:
ToolTrace combines multiple web intelligence capabilities under one API key and one credit pool. Most competitors offer just scraping or just SEO tools. ToolTrace covers scraping, content extraction, metadata, links, schema markup, SEO audits, sitemaps, and tech stack detection in a single platform. It's also built specifically for AI agent workflows with native integrations for LangChain, LlamaIndex, and MCP.
ToolTrace's answer:
Three reasons: breadth, simplicity, and price. You get a full suite of web intelligence APIs without juggling multiple providers and billing systems. The unified credit pool means you pay once and use any endpoint. Founding member pricing starts at $9.50/month for Pro. And every API has a matching free tool on the site so you can test before writing any code.
ToolTrace's answer:
Developers and small teams building AI agents, RAG pipelines, research tools, and web automation. Also SEO professionals who need programmatic access to on-page diagnostics, schema validation, and tech stack data at scale.
ToolTrace's answer:
I was building AI agents that needed reliable web data and got frustrated maintaining scrapers that broke every time a site updated its layout. I built an API to solve my own problem, then realized the same infrastructure could power SEO audits, metadata extraction, link analysis, and tech stack detection. ToolTrace grew from one endpoint into a full platform.
ToolTrace's answer:
Python 3.12, FastAPI, Playwright (headless Chromium for browser rendering), Redis, SQLite, and Astro for the website. Runs on a VPS behind Cloudflare.
I've enjoyed using Ahrefs to inform content creation due to their keyword explorer being so useful for finding low difficulty keywords. I do prefer the legacy version of their site explorer in comparison to the new format so I hope that they do not retire certain elements of the platform.
Based on our record, Ahrefs seems to be more popular. It has been mentiond 123 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Marketing-led growth (MLG) involves extensive marketing initiatives to drive customer acquisition, retention, and expansion. Brands such as HubSpot and Ahrefs have found success with MLG by leveraging large content libraries to generate interest in their products. - Source: dev.to / 5 months ago
Ahrefs provides industry-leading backlink analysis alongside powerful content research capabilities that help WordPress sites build authority. Site Explorer reveals your complete backlink profile while identifying link-building opportunities through competitor analysis. Content Explorer surfaces top-performing articles in any niche, showing what earns links and engagement. - Source: dev.to / 8 months ago
Domain Rating is a proprietary metric developed by Ahrefs that measures the strength of your website's backlink profile. - Source: dev.to / about 1 year ago
Iโve manually reviewed dozens of these winners using Ahrefs, SERP screenshots, and side-by-side structure comparisons. And patterns started to emerge โ repeatable markers of content that works, even if it was AI-assisted. - Source: dev.to / about 1 year ago
Iโve been using the most excellent ARefs site to get information about how good the on-page SEO is for many of my sites. Every couple of weeks, ARefs crawls the site and will give me a list of suggestions of things I can improve. And for a long time, I had been putting off dealing with one of the biggest issues โ because it seemed so difficult. - Source: dev.to / about 1 year ago
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
ScrapingBee - ScrapingBee is a Web Scraping API that handles proxies and Headless browser for you, so you can focus on extracting the data you want, and nothing else.
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Firecrawl - Turn any website into LLM-ready data.
Serpstat - Serpstat is the Swiss army knife for automating SEO processes. With a suite of powerful modules, you can track your performance, analyze your competitors, research keywords and backlinks, audit your website, and so much more.
Apify - Apify is a web scraping and automation platform that can turn any website into an API.