Upthread vs Siteimprove
Siteimprove is an enterprise platform for accessibility, analytics, content and search; its SEO and AEO agents track your mentions, citations and share of voice in AI answer engines. Upthread works on the Reddit threads those answers cite: ranked, drafted as replies, tracked.
Last checked Nov 8, 2026. Every fact about Siteimprove is numbered to its source at the bottom of the page.
Why people look beyond Siteimprove.
Siteimprove sells what it calls an agentic content intelligence platform. It unifies accessibility, search (SEO and AEO), content strategy and analytics in one AI-powered platform, with agents that help teams monitor, prioritize and remediate at scale, across web pages, PDFs, mobile apps and sites behind VPNs. 1
Its Search (SEO/AEO) agents run a prompt set against answer engines, including Google AI Overviews, ChatGPT, Perplexity and Gemini, record whether your brand is mentioned and whether your content is cited, and recommend content to create, fix or optimize to earn citations. They also measure AI-referred traffic. 2
Pricing is not public. There is no pricing page, every page asks you to request a demo, and the company describes its work as helping enterprises build digital experiences that work for everyone. 3
Upthread is a narrower tool for one source those answers lean on, Reddit. It ranks the threads that Google results and AI answers show your buyers, drafts two replies per thread that follow the subreddit's rules and disclose your connection, and tracks what each reply did after you post it.
Who should choose which.
Who should choose Siteimprove
- You need accessibility compliance, analytics, content strategy and AEO in one platform that remediates at scale. 1
- You want mentions and citations sampled repeatedly and reported as rates, with prompts grouped by product line, region or buying stage. 2
- You want to know whether AI-referred visitors convert, and which fixes on your own pages earn citations. 2
Who should choose Upthread
- You want a tool for one job, Reddit, that a single marketer can set up from a website address and run the same day.
- You want drafts that follow each subreddit's captured rules on links and self-promotion, checked before you ever see them.
- You want a warning on the draft when a subreddit's captured rules on self-promotion or links change, seen when your team opens it with the extension.
Siteimprove in brief
An enterprise platform for accessibility, analytics, content strategy and search, with AEO tracking in AI answer engines.
- Its Search (SEO/AEO) agents track how your brand appears in answer engines, including Google AI Overviews, ChatGPT, Perplexity and Gemini, with share of voice against competitors. 2
- Records separately whether your brand is mentioned and whether your content is cited, sampling answers repeatedly to show a rate over time. 2
- Starts from a suggested prompt set built around your category and competitors, which you edit and group by product line, region or buying stage. 2
- Recommends content to create, fix or optimize to earn citations, checks that crawlers can read your content, and measures AI-referred traffic. 2
- Accessibility, search, analytics and content strategy agents run on one governance layer, with coverage across every page, PDF and app. 2
- Pricing is not public; its pages ask you to request a demo. 3
- No Reddit view or reply drafting is described. 2
- A free AEO checker shows what may keep AI engines from citing a page. 4
Pricing, plan by plan.
Siteimprove
Upthread
- Starter$49 a month
- 1 brand, 25 keywords, 25 buyer questions, 3 engines, 150 drafts a month, 1 seat. Discovery: Daily.
- Growth$149 a month
- 3 brands, 100 keywords, 75 buyer questions, All engines, 600 drafts a month, 3 seats. Discovery: Every 6 hours.
- Agency$499 a month
- 15 brands, 500 keywords, 300 buyer questions, All engines, 2,500 drafts a month, 10 seats. Discovery: Every 6 hours.
Yearly billing gives 2 months free. Every workspace starts with a 7-day trial on Starter limits, with no card. See full pricing.
Siteimprove and Upthread, point by point.
Each row sets a sourced fact about Siteimprove next to what Upthread does, grouped by what you would check first.
What it watches
- Built forDifferent approach
- SiteimproveEnterprises: one platform for accessibility, search, analytics and content strategy across their digital experience. 3
- UpthreadBrands and agencies on self-serve plans, from $49 a month for one brand.
- What it tracksDifferent approach
- SiteimproveWhether answer engines mention your brand and cite your content, as rates over time, with share of voice against competitors. 2
- UpthreadThe Reddit threads that Google results and AI answers cite for your buyer questions, with mention rate and share of voice per engine.
- AI enginesDifferent approach
- SiteimproveEvery major answer engine, it says, including Google AI Overviews, ChatGPT, Perplexity and Gemini, alongside traditional search. 2
- UpthreadGoogle AI Overviews and AI Mode twice a week, from live Google results. ChatGPT, Perplexity, Gemini and Claude weekly through their APIs, labelled API.
- RedditUpthread does more
- SiteimproveNo Reddit view is described. 2
- UpthreadEach Reddit thread that AI answers cite or Google ranks for your keywords, ranked by priority, with the subreddit's rules alongside.
Replying
- Acting on itDifferent approach
- SiteimproveRecommends content to create, fix or optimize on your site, plus technical fixes so crawlers can read it. No reply drafting is described. 2
- UpthreadTwo drafts per thread, grounded in the thread, its top comments, the subreddit's rules and your facts. A lint and an AI judge check each one first.
After you post
- After postingDifferent approach
- SiteimproveMeasures how visitors from AI search convert and engage. No reply tracking is described. 2
- UpthreadScore over time, moderator removals, and the thread's citation history before and after your reply. Links carry UTM tags for your own analytics.
Price and plans
- PriceDifferent approach
- SiteimprovePricing is not public; it asks you to request a demo. 3
- Upthread$49 / $149 / $499 a month, or 2 months free yearly. A 7-day trial with Starter limits. No card required.
Switching from Siteimprove.
Upthread sets itself up from your website address: it drafts the brand profile and suggests buyer questions, competitors, keywords and focus subreddits, which you adjust. Paste in the prompts you track in Siteimprove as buyer questions, write the disclosure line for your replies, choose engines and a country, and the first runs start, with a ranked inbox expected inside three minutes. Installing the extension can wait.
What you bring across
- Your prompt set. Prompts in a buyer's words become Upthread buyer questions, asked in Google's AI answers and in four assistants by API.
- Your competitors, with aliases, so Upthread's share of voice per engine counts them and flags threads that recommend them.
- Your main market. Pick the country your buyers search from, and Upthread asks its buyer questions there.
What works differently
- Siteimprove recommends content to create, fix or optimize on your site to earn citations. Upthread works off your site: it drafts replies for the Reddit threads AI answers cite, and you post them. 2
- Siteimprove samples answers repeatedly and reports mention and citation rates. Upthread reports mention rate and share of voice per engine, and keeps each cited Reddit thread as an item to act on. 2
- Siteimprove is sold to enterprises through a demo. Upthread is self-serve, from $49 a month, with a 7-day trial that needs no card. 3
- Siteimprove names Google AI Overviews, ChatGPT, Perplexity and Gemini among the engines it checks. Upthread checks Google AI Overviews and AI Mode twice a week from live results, and ChatGPT, Perplexity, Gemini and Claude weekly by API. 2
Siteimprove and Upthread: questions.
How much does Siteimprove cost?
Its prices aren't published; its pages ask you to request a demo. Upthread's plans are public, from $49 a month for Starter to $499 for Agency. 3
Which AI engines does Siteimprove track?
Its pages name Google AI Overviews, ChatGPT, Perplexity, Gemini and Copilot among the engines its prompts run against, alongside traditional search. Upthread tracks Google AI Overviews and AI Mode plus ChatGPT, Perplexity, Gemini and Claude. 2
Does Siteimprove show Reddit threads?
No Reddit view is described; its recommendations are for content on your own site. Upthread ranks the Reddit threads that AI answers cite and Google ranks, and drafts two replies for each. 2
Is Siteimprove only for enterprises?
Its pages say it helps enterprises build digital experiences, and it sells through demos. Upthread is self-serve, from 1 brand on Starter to 15 on Agency. 3
Can I use Siteimprove and Upthread together?
Yes. Keep an enterprise platform for accessibility, analytics and your own content, and use Upthread for the Reddit threads AI answers cite, where you write and post each reply yourself.
Sources
We read each page on the date shown. Siteimprove's own pages are named, not linked. Spotted something out of date? Email [email protected] and we will fix it.
- [1]Siteimprove platform page, checked Nov 8, 2026.
- [2]Siteimprove Search (SEO/AEO) page, checked Nov 8, 2026.
- [3]Siteimprove homepage, checked Nov 8, 2026.
- [4]Siteimprove AEO checker page, checked Nov 8, 2026.
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Run your first discovery, then judge for yourself.
Enter your website. Upthread drafts your brand profile, suggests buyer questions and subreddits, and runs your first discovery.
No card required. 7 days with Starter limits.