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iLovePDF
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Sejda
PDF24
CloudConvert
TinyPNG
Convertio
Stackra.app
SEOptimer
Ahrefs
Moz
Siteimprove
TheHOTH
SEO Analyzer By Neil Patel
SE Ranking
Most website audit tools produce a Lighthouse report and leave you to figure out the rest. Stackra is different in three ways. It detects your platform: WordPress, Shopify, Wix, Squarespace, Webflow, and more. Then, It only surfaces fixes you can actually make on your setup. It runs three AI expert reviews in parallel: a CMO review checking whether your messaging, trust signals, and CTAs are working; an SEO+GEO review covering traditional search rankings and AI search visibility in ChatGPT, Perplexity; and a CTO review covering Core Web Vitals, performance, and security. Everything compiles into a Growth Readiness Score (0-100) with a ranked action plan. Not 47 issues.
What to fix first, and why. Free to sign up. Full report. 3 minutes.
Smallpdf
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Stackra.app's answer:
Most website audit tools hand you a Lighthouse report and walk away. Stackra is different in three ways. It knows your platform: Stackra detects whether your site runs on WordPress, Shopify, Wix, Squarespace, or Webflow and limits every recommendation to changes you can actually make on your specific setup. It reviews your site the way a consultant would: a CMO review checks messaging, trust signals, and CTAs; an SEO and GEO review covers traditional search and AI search visibility in ChatGPT and Perplexity; a CTO review covers Core Web Vitals, performance, and security. Then it tells you what to fix first: everything compiles into a Growth Readiness Score (0-100) and a prioritized action plan, not an exhaustive issue dump.
Stackra.app's answer:
Stackra is the only free website grader that covers platform-aware recommendations, AI search visibility (GEO), and three expert perspectives in one report. SEOptimer starts at $19/month with no free plan. Sitechecker starts at $49/month, trial only. HubSpot's Grader checks your homepage and gives you four scores. Stackra crawls up to 20 pages, detects your platform, and delivers three AI expert reviews with a ranked action plan. Free to start, no credit card required.
Stackra.app's answer:
Small business owners, solo founders, and early-stage teams who want a clear diagnostic and action plan without agency costs or ongoing subscriptions. Typically owners and operators without an in-house marketing or technical team who want to know why their site isn't converting and what to do about it.
Stackra.app's answer:
Stackra came from a simple frustration: the best website analysis tools are built for SEO agencies running dozens of audits a month, not the business owner who wants to understand their own site. We built Stackra to give small businesses the same quality of analysis that larger companies pay consultants thousands of dollars for, free.
Stackra.app's answer:
Typescript, React, Node.js, PostgreSQL, Playwright for headless browser crawls, and OpenAI for the AI persona reviews.
Stackra.app's answer:
Stackra is a free tool built for SMB owners, so our users span local service businesses, e-commerce stores, professional services firms, and early-stage SaaS startups. We built it for the owner-operator, not the enterprise.
Based on our record, Smallpdf seems to be more popular. It has been mentiond 38 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.
According to statistics from smallpdf.com, by 2025, there will be a massive 2.5 trillion PDF documents stored worldwide, and 290 billion new PDF documents will be created every year. - Source: dev.to / 8 months ago
Smallpdf [1] probably deserves a mention here. Not OSS and not self-hosted, but Iโve used it occasionally and it has always worked really well. When I was running an agency, we inherited their first office โ very cool folks. [1] https://smallpdf.com/. - Source: Hacker News / over 2 years ago
And use this one to merge two single-page pdf to make a double side page. Source: over 2 years ago
I don't have Office 365 for the "Get Data" option, nor do I have Adobe Acrobat. I've tried the smallpdf website but it came out a mess, possibly because my original spreadsheet had highlighted rows and lots of text in some of the cells. Source: over 3 years ago
Examples of companies doing this well: - SmallPDF users can convert or compress a limited number of files without an account โ turning users into advocates and customers once paid use cases comes along; - Freshline uses interactive product demos to help users self-educate and understand the value of their features, without a paywall or registration;. Source: over 3 years ago
iLovePDF - Premium online PDF tool set
SEOptimer - SEOptimer is the fastest-growing SEO auditing and reporting tool that quickly scans your whole site and generates a helpful report.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
Sejda - Split, merge and other powerful PDF tools.
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.