Side-by-side comparison · SEO & Analytics
Ahrefs vs Contentsquare (formerly Hotjar) vs PostHog
Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.
Comparing 3 tools, the maximum.
At a glance
Pick it if: Marketers and business owners who want to see what competitors rank for and find keywords worth chasing.
Pick it if: Store owners, marketers and UX teams who want to see and hear why visitors leave, with surveys alongside the recordings.
Pick it if: Founders and product teams with a web app or SaaS who want analytics, replays and testing in one tool.
Overview
| Attribute | Ahrefs | Contentsquare (formerly Hotjar) | PostHog |
|---|---|---|---|
| In one line | Keyword research, backlink checks and site audits in one toolkit. | Heatmaps, session replays and surveys that show why visitors leave, with AI summaries. | Product analytics, session replays, A/B tests and surveys in one tool, with an AI analyst. |
| Pricing model | Freemium | Freemium | Freemium |
| Starting price | $29/mo | From $39/mo | $0/mo base |
| Free plan | Yes | Yes | Yes |
| Works with Claude Code | Yes | Yes | Yes |
Rating breakdown
Our scores out of 5. The higher bar in each row is highlighted.
| Attribute | Ahrefs | Contentsquare (formerly Hotjar) | PostHog |
|---|---|---|---|
| Overall rating | 4.4Winner | 4.3 | 4.2 |
| Ease of useHow quickly someone non-technical gets value from it. | 4.5 | 4.5 | 3.0 |
| FeaturesHow completely it covers its own job, and how well the pieces fit together. | 5.0 | 4.5 | 5.0 |
| Output qualityHow good the results are before you fix them. | 4.5 | 4.0 | 4.5 |
| Value for moneyWhat you get for the price, including the free plan. | 3.5 | 4.5 | 4.5 |
| Speed & reliabilityHow fast it is and how often it falls over. | 4.5 | 4.0 | 4.0 |
Feature comparison
A tick means it does this today. A dash means we haven't checked.
| Attribute | Ahrefs | Contentsquare (formerly Hotjar) | PostHog |
|---|---|---|---|
| Access & platform | |||
| Free plan | Yes | Yes | Yes |
| Mobile app | No | No | No |
| Desktop app | No | No | Yes |
| Browser extension | Yes | No | No |
| API access | Yes | Yes | Yes |
| Teams & business | |||
| Team workspace | Yes | Yes | Yes |
| Enterprise plan or SSO | Yes | Yes | Yes |
| Connects to other apps | Yes | Yes | Yes |
| Open source or self-hosted | No | No | Yes |
| AI abilities | |||
| Works with your files | Yes | No | No |
| Understands images | No | – | – |
| Makes images | No | No | No |
| Makes video | No | No | No |
| Writes code | No | No | Yes |
| Runs agents or automations | No | No | Yes |
| Learns your brand or style | No | – | – |
| Works in many languages | Yes | Yes | Yes |
| Capabilities score | 8/ 17 | 6/ 17 | 10/ 17 |
Pricing
Plans as listed on each vendor's site when we last checked. Confirm before you buy.
| Attribute | Ahrefs | Contentsquare (formerly Hotjar) | PostHog |
|---|---|---|---|
| Plans | Ahrefs Free Free Checking the health and backlinks of a site you own. | FreeOur pick Free Most small business websites. | Free Free Small apps and getting started. |
Starter $29/mo Occasional keyword research on a tight budget. | Growth From $39/mo billed yearly, or $49 monthly Businesses that want AI summaries and longer history. | Pay as you goOur pick $0/mo base, then per use Growing apps that outgrow the free limits. | |
LiteOur pick $129/mo A business doing its own SEO seriously. | Pro Custom Teams running conversion work across many sites. | Boost $250/mo plus usage Teams that need SSO enforcement or HIPAA. | |
Standard $249/mo Freelancers and small agencies. | Enterprise Custom Large companies. | Scale $750/mo plus usage Larger organisations. | |
Advanced $449/mo Agencies and in-house teams with many sites. | Enterprise $2,000/mo plus usage Big companies. | ||
Enterprise $1,499/mo billed yearly Large companies that need SSO and unlimited data. | |||
| Which plan to pick | Start on Ahrefs Free to audit your own site. If you want to research competitors and keywords every week, go straight to Lite; the Starter plan's credits run out too quickly to be useful for more than the odd lookup. Each plan includes one user, and extra seats cost $40 to $80 a month. | Start on Free. For most small sites it does what Hotjar's paid plans used to. Take the 15-day Growth trial to see if the AI summaries save you time before paying. Survey responses are a separate product with their own Growth plan from $79 a month. | Start free. Add a card to move to pay as you go when you need more projects or longer history, and set billing limits on each product so nothing runs away. The platform packages only matter for compliance or big teams. |
Key features
| Attribute | Ahrefs | Contentsquare (formerly Hotjar) | PostHog |
|---|---|---|---|
| Standout features |
|
|
|
Pros and cons
| Attribute | Ahrefs | Contentsquare (formerly Hotjar) | PostHog |
|---|---|---|---|
| Pros |
|
|
|
| Cons |
|
|
|
Who each one is for
| Attribute | Ahrefs | Contentsquare (formerly Hotjar) | PostHog |
|---|---|---|---|
| Best for |
|
|
|
| You'll find it used by |
|
|
|
Questions people ask
Which is better, Ahrefs, Contentsquare (formerly Hotjar) or PostHog?
Ahrefs scores highest overall in our ratings (Ahrefs 4.4/5, Contentsquare (formerly Hotjar) 4.3/5 and PostHog 4.2/5). Ahrefs is best for keyword research and competitor traffic estimates. Contentsquare (formerly Hotjar) is best for seeing why visitors leave a page and heatmaps and session replays. PostHog is best for seeing how people use your app and finding where sign-ups and checkouts drop off.
Which is cheaper, Ahrefs, Contentsquare (formerly Hotjar) or PostHog?
Ahrefs: There's a free plan, and paid plans start at $29/mo. Contentsquare (formerly Hotjar): There's a free plan, and paid plans start at From $39/mo. PostHog: There's a free plan, and paid plans start at $0/mo base.
How we compare
Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.
Swap in another tool
More tools from SEO & Analytics in the library.



