9 Best WordPress SEO Plugins in 2026 (Free and Paid, Compared)
The 9 best WordPress SEO plugins compared on price, free plans, AI help and schema, for bloggers and small businesses. Prices checked November 2, 2026.
Shamim Mia, Founder, SerpAstraLast verified November 2, 202614 min readWe compare pricing pages, documentation and public reviews. We never accept payment for rankings.
Key takeaways
- Rank Math is the best overall pick: the deepest free tier and PRO at $95.88 a year for unlimited personal sites. Yoast Premium costs $118.80 a year per site, and SEOPress PRO is $49 a year with white-label included.
- Most sites never need to pay: Rank Math, Yoast, All in One SEO, SEOPress, The SEO Framework, Slim SEO and SureRank all have free versions that cover titles, meta, sitemaps and schema.
- The single most important buying factor is the licence model: per-site pricing (Yoast) gets expensive fast, while flat licences (Rank Math, SEOPress) stay cheap as you add sites.
- Every price below was checked on the vendor's own pricing page on November 2, 2026, except The SEO Framework, whose $7-a-month Pro rate is the published figure — the vendor has no public pricing page. Ratings are G2, with review counts shown.
On this page
Quick comparison
| Tool | Best for | Starting price | Free plan |
|---|---|---|---|
| Rank Math | Bloggers and small businesses who want the deepest free SEO plugin and a Pro plan that covers unlimited personal sites | $95.88/yr (first year) | Yes (full-featured) |
| Yoast SEO | Beginners and small businesses who want the most familiar, best-documented SEO plugin with guided on-page help | $118.80/yr | Yes |
| All in One SEO | Small businesses and WooCommerce stores that want guided on-page SEO plus local and author SEO on one subscription | $49.50/yr (first year) | Yes |
| SEOPress | Agencies and developers who want a white-label SEO plugin with flat multi-site pricing | $49/yr | Yes |
| Squirrly SEO | Beginners who want step-by-step AI guidance on what to fix in each post, not just a score | $239.88/yr | Yes (1 site) |
| The SEO Framework | Site owners who want SEO handled automatically with no setup wizard, ads or upsell screens | $84/yr | Yes |
| Slim SEO | Bloggers and developers who want a fast, under-100KB SEO plugin that configures itself | $59/yr | Yes |
| SureRank | New sites and Astra users who want a modern, lightweight SEO plugin with AI meta generation built in | $99/yr (first year) | Yes |
| Schema Pro | Sites that already run an SEO plugin and need advanced schema with display rules for rich results | $69/yr (first year) | No |
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We re-check this list every quarter. Send a correction, request a review, or ask about a clearly labeled sponsored spot.
Request a listingThe best WordPress SEO plugins
Rank Math
Best for: Bloggers and small businesses who want the deepest free SEO plugin and a Pro plan that covers unlimited personal sites
Rank Math earns the top spot because its free version covers what most rivals charge for: redirects, a 404 monitor, schema markup, unlimited focus keywords and Google Search Console integration, all inside a clean setup wizard. The paid PRO plan then adds rank tracking for 500 keywords, advanced schema controls and WooCommerce SEO for $95.88 in the first year — and that one licence covers every personal site you own.
The trade-off is complexity. More than 190 settings and a modular system mean beginners can feel lost, and the AI writing help (Content AI) is a separate subscription once the 15-day PRO trial ends. Client sites also need the Business plan. If you run one site or many of your own, though, no other plugin gives you this much for the price.
What we like
- Free tier includes redirects, a 404 monitor, schema and unlimited focus keywords
- PRO covers unlimited personal sites for one flat price
- Rank tracking for 500 keywords on PRO, with Search Console integration
- Modular design — enable only the modules you use
Watch out for
- Content AI is a separate subscription after a 15-day PRO trial, so AI writing costs extra
- More than 190 settings can overwhelm beginners
- PRO covers personal sites only — client sites need Business ($299.88/year first year)
Yoast SEO
Best for: Beginners and small businesses who want the most familiar, best-documented SEO plugin with guided on-page help
Yoast is the plugin most WordPress users meet first, and for good reason: the traffic-light SEO and readability checks coach you while you write, and the free version already covers titles, meta descriptions, XML sitemaps, schema and breadcrumbs. Premium adds a redirect manager, up to five keyphrases per page, internal linking suggestions and AI tools — and since 2025 it also bundles the Local, Video and News SEO add-ons that used to cost extra.
The catch is the licence model. Premium costs $118.80 a year for one site, so a five-site portfolio costs $594 a year before any bundle discount, and WooCommerce SEO is a separate $178.80-a-year package. If you run a single site and want the best-documented plugin with the most tutorials, Yoast is still the safest choice.
What we like
- Traffic-light SEO and readability analysis that coaches you as you write
- Premium bundles Local, Video and News SEO, previously sold separately
- Active on more than 10 million sites, so almost every tutorial and theme supports it
- AI Generate and AI Optimize in Premium write and refine titles and meta descriptions
Watch out for
- Per-site pricing: $118.80 for every site, so 5 sites cost $594 a year
- Redirect manager and multiple keyphrases need Premium
- Reviewers note the settings can feel overwhelming and some advanced features sit behind Premium
All in One SEO
Best for: Small businesses and WooCommerce stores that want guided on-page SEO plus local and author SEO on one subscription
All in One SEO has been around since 2007 and now serves more than 3 million sites, and its strength is breadth on a budget: the Basic plan covers TruSEO on-page analysis, unlimited keywords, XML sitemaps and WooCommerce SEO for $49.50 in the first year. The setup wizard configures the essentials for you, and the free version is genuinely usable for a small blog or brochure site.
Watch the renewal. Basic renews at $99 a year, and the features climb the tiers: local and author SEO start on Plus, the redirection manager and Link Assistant need Pro, and rank tracking is reserved for Elite. For a single small-business site or store, though, Basic is the cheapest way into a full-featured SEO plugin.
What we like
- TruSEO on-page analysis and a setup wizard that configures the basics for you
- WooCommerce SEO included from Basic, with no separate store add-on
- Author SEO and local SEO from Plus ($99.50 first year)
- AI content tools included on Basic, with 10,000 AI credits a year
Watch out for
- First-year price doubles at renewal: Basic renews at $99 a year
- Rank tracking and Search Statistics need Elite ($299.50 first year)
- Redirection manager and Link Assistant need Pro ($199.50 first year)
SEOPress
Best for: Agencies and developers who want a white-label SEO plugin with flat multi-site pricing
SEOPress is the quiet value pick in this list. PRO costs $49 a year for one site — or $149 for unlimited sites — and it includes full white-labeling, so agencies can rebrand the plugin as their own. The renewal price is the price you paid, which makes it the only plugin here with no first-year discount trap, and the free version covers the essentials without ads or upsell screens.
The trade-offs are narrower. AI credits are sold separately from $19 a month, rank tracking needs the $99-a-year Insights add-on, and the community is smaller than Yoast's or Rank Math's, so you will find fewer tutorials. If you manage client sites and want a flat, honest price with white-label reports, SEOPress is hard to beat.
What we like
- Cheapest paid plan here, with full white-label included in PRO
- The price you pay is the price you renew at — no first-year discount trap
- Unlimited sites for $149 a year, with no agency markup
- Privacy-first design with no ads or upsell screens in the admin
Watch out for
- AI credits cost extra from $19 a month — PRO has no AI included
- Rank tracking needs the separate Insights add-on ($99 a year per site)
- Smaller community than Yoast or Rank Math, so fewer tutorials
Squirrly SEO
Best for: Beginners who want step-by-step AI guidance on what to fix in each post, not just a score
Squirrly is less a settings panel and more a coach: the SEO Live Assistant watches you write and tells you, in plain language, what to fix — keyword use, headings, length, links — before you hit publish. PRO adds keyword research, on-demand audits and blogging tools for up to five sites, and the monthly billing means there is no year-long commitment.
That coaching comes at the highest ongoing price here. PRO is $19.99 a month, which adds up to $239.88 over a year, and the homepage's 'from $9.99 a month' line refers to the first month's payment, not the ongoing rate. If you want guided help and you are happy to pay monthly for it, Squirrly is the most hand-holding plugin in this list.
What we like
- SEO Live Assistant gives real-time guidance while you write
- Keyword research and audits included from PRO, with AI help throughout
- PRO covers 5 sites, with 25 focus pages and 50 keyword researches a month
- Monthly billing with no yearly lock-in, and the price renews at the same rate
Watch out for
- The most expensive way to pay here: $19.99 a month adds up to $239.88 a year
- The homepage advertises 'from $9.99 a month' while the pricing page lists PRO at $19.99 — confirm at checkout
- Reviewers note the interface feels dated and the options can overwhelm
The SEO Framework
Best for: Site owners who want SEO handled automatically with no setup wizard, ads or upsell screens
The SEO Framework takes the opposite approach to most plugins here: it does the work for you. Install it and it generates meta titles, descriptions, schema, sitemaps and robots directives automatically, tuned to Google's documented standards, with no setup wizard and no configuration to get wrong. The free core has no ads, no branding and no upgrade nags.
Paying unlocks the premium extensions — Focus keyword analysis, article schema, local SEO and spam protection — through a Pro licence at $7 a month for two sites. There is no rank tracking and no AI writing help, and the 2-site minimum means single-site owners pay for a spare licence. For a hands-off site, though, nothing here is simpler.
What we like
- Fully automated meta, schema and sitemaps with almost no configuration
- No ads, branding or upgrade nags in the free plugin
- Premium extensions add Focus keyword analysis, local SEO and article schema
Watch out for
- No built-in rank tracking or AI writing help
- Premium starts at a 2-site minimum — there is no 1-site Pro licence
- G2 shows only 1 review, so public reviewer data is thin
Slim SEO
Best for: Bloggers and developers who want a fast, under-100KB SEO plugin that configures itself
Slim SEO is built for people who want SEO done, not SEO to manage. The free plugin automates meta titles and descriptions, XML sitemaps, schema, breadcrumbs and social metadata with no setup wizard and no settings pages to learn. At under 100KB it is one of the lightest plugins in this list, so it adds almost nothing to your page weight.
Pro adds the tools power users miss: a visual schema builder with 30-plus schema types, a link manager, Google Search Console data inside the dashboard and a writing assistant, for $59 a year on one site. There is no rank tracking and no hand-holding wizard, so total beginners may prefer Yoast or Squirrly — but for a fast, set-and-forget plugin, Slim SEO is the pick.
What we like
- Zero-configuration setup — install it and the basics are done
- Under 100KB, one of the lightest plugins here
- Pro adds a visual schema builder, link manager and Search Console data in the dashboard
Watch out for
- No setup wizard means less hand-holding for total beginners
- Pro is annual now — older articles calling it a one-time payment are out of date
- No rank tracking built in
SureRank
Best for: New sites and Astra users who want a modern, lightweight SEO plugin with AI meta generation built in
SureRank is the newest plugin here, launched in July 2025 by Brainstorm Force, the team behind the Astra theme, and it already runs on more than 400,000 sites. The free version covers meta tags, sitemaps, schema, social previews and WooCommerce, while Pro adds AI-generated meta descriptions and alt text with no separate API key or credit purchase — a first in this list.
The youth shows. There is no built-in rank tracking yet, the Pro feature set is still growing, and the $99 first-year price rises to $149 on renewal. But the plugin is fast, modern and genuinely simple, with one-click migration from Yoast and Rank Math. If you like betting on the new, well-backed option, SureRank is the one to watch.
What we like
- AI meta and alt-text generation included in Pro, with no separate API key or credit purchase
- Instant Indexing pushes new pages to Google's Indexing API the moment you publish
- One-click migration from Yoast, Rank Math and other SEO plugins
Watch out for
- Launched in July 2025, so it has a shorter track record than the others here
- No built-in rank tracking yet
- First-year price rises to $149 a year on renewal
Schema Pro
Best for: Sites that already run an SEO plugin and need advanced schema with display rules for rich results
Schema Pro does one job and does it better than any all-in-one plugin: structured data. You define a schema type once — article, product, recipe, event, review — set display rules for where it applies, and the plugin adds the JSON-LD markup across every matching post or page automatically. It supports more than 21 schema types and works alongside Yoast, Rank Math or any other SEO plugin.
Be clear about what you are buying: Schema Pro is not an SEO plugin. It will not write your titles, build your sitemaps or check your content — it only handles schema, and there is no free version. At $69 for the first year with unlimited sites, it is a cheap specialist add-on for sites that already have their SEO basics covered.
What we like
- 21+ schema types with display rules that apply markup across matching content automatically
- Custom schema and field mapping for advanced setups
- Unlimited sites on every licence, plus a $229 lifetime option
Watch out for
- Not a full SEO plugin — it adds schema only, so you still need Yoast, Rank Math or similar
- No free version to try before buying
- The $69 price is introductory; renewals are $79 a year
What the best WordPress SEO plugins actually do
The best WordPress SEO plugins do the technical work your theme does not: they write the title tags and meta descriptions Google shows, build your XML sitemap, add the schema markup behind rich results, control which pages search engines can index, and check each post as you write it. The free version of most plugins covers those basics; the paid version adds redirects, multiple keyphrases, local SEO, AI writing help or rank tracking. The scale of the category is easy to miss: Yoast alone is active on more than 10 million WordPress sites, according to WordPress.org, which is why almost every theme and tutorial is built with it in mind. The nine plugins below are organised by what you actually need — free first, then all-in-one suites, guided and AI help, and lightweight and specialist picks — so you can skip straight to the group that fits your site.
Free plugins first
If your site is a blog, a brochure site or a small store, start free and stay free until something specific stops working. Rank Math's free version is the deepest: redirects, a 404 monitor, schema, unlimited focus keywords and Search Console data cost nothing. Yoast's free version covers the same basics with the best readability coaching, and The SEO Framework's free core automates the lot with no configuration at all. Slim SEO and SureRank are free too, and both handle meta, sitemaps and schema out of the box. The honest limit is the same everywhere: free plans do not include redirect managers (except Rank Math), multiple keyphrases, local SEO or AI writing help. When one of those becomes a daily need, that is the moment to pay — not before.
One more free-tier difference worth knowing is support. Free users get community forums and documentation, while paid plans add email or ticket support with a named response time — Yoast Premium promises 24/7 support, Rank Math PRO and SEOPress PRO answer by email, and The SEO Framework's Pro plan includes private level-1 support. If your site earns money, that support line alone can justify the cheapest paid plan. And switching later is easy: every plugin here imports settings from the others, so starting free costs you nothing if you change your mind.
All-in-one suites for most sites
Most buyers land in this group: one plugin that handles titles, schema, sitemaps, redirects and social previews, with a paid tier for the extras. Rank Math and Yoast are the two defaults, and the choice between them is mostly about licence model: Rank Math PRO covers unlimited personal sites for $95.88 in the first year, while Yoast Premium charges $118.80 per site. All in One SEO sits between them — Basic is $49.50 in the first year for one site, with WooCommerce SEO included — and SEOPress undercuts them all at $49 a year with white-label included. If you run client sites, the maths changes fast: five Yoast licences cost $594 a year, five SEOPress sites cost $59, and Rank Math PRO still costs $95.88. Pick the suite whose licence matches how many sites you will actually run.
WooCommerce stores deserve a special note, because the suites treat them differently. All in One SEO includes WooCommerce SEO from its Basic plan, and Rank Math PRO and SEOPress PRO both cover product schema and store sitemaps in their standard paid plans. Yoast is the exception: WooCommerce SEO is a separate $178.80-a-year package on top of Premium, which makes Yoast the most expensive option for a store by a clear margin. If you sell online, check the store features before the headline price — the cheapest plugin for a blog is rarely the cheapest for a shop.
Guided help, AI writing and GEO
The newest reason to pay is help, not features. Squirrly's SEO Live Assistant coaches you as you write, AIOSEO's AI tools draft titles and descriptions from inside the editor, and SureRank's Pro plan generates meta descriptions and alt text with no API key to buy. Yoast Premium has AI Generate and AI Optimize, and sells a separate AI+ tier ($358.80 a year) that watches for brand mentions across ChatGPT, Gemini and Perplexity. Two honest notes: Rank Math's Content AI and SEOPress's AI credits are separate paid add-ons, not part of the plugin subscription, and no plugin in this list tracks your visibility in AI answers on its entry plan. If AI search matters to your business, read our guide to getting cited in ChatGPT — and if you would rather have the whole setup done for you, our SEO audit service covers it.
The practical question is what the AI help actually does for you. Most of it is writing assistance: drafting titles, meta descriptions and alt text so you publish faster, which is what AIOSEO, SureRank and Yoast Premium sell. Only Yoast's AI+ tier and Squirrly's GEO features look outward, tracking whether AI assistants mention your brand at all — and both cost extra. A plugin that writes your meta descriptions will not get you cited in ChatGPT on its own; that still comes down to clear, factual content with schema that machines can read, which is why the schema support in every plugin above matters more than the AI badge on the box.
Lightweight and specialist picks
Not every site needs a suite. The SEO Framework and Slim SEO are the two lightest plugins here: both automate the essentials with almost no settings, and both stay out of your way — no ads, no upsell screens, no setup wizard. The SEO Framework's Pro plan ($7 a month for two sites) unlocks premium extensions for keyword analysis and local SEO; Slim SEO Pro ($59 a year) adds a visual schema builder and Search Console data. Schema Pro is the specialist: it does nothing but structured data, with display rules that apply the right schema across matching content automatically. It pairs with any SEO plugin above, and at $69 for the first year on unlimited sites it is the cheapest way to fix schema properly.
Quick comparison: tool type by need
| Buyer | Best pick | Why |
|---|---|---|
| Solo blogger on a tight budget | SEOPress or Rank Math free | $49 a year for PRO, or $0 for Rank Math's deep free tier |
| Beginner who wants guidance | Yoast SEO | Traffic-light checks and the most tutorials |
| Small business or WooCommerce store | All in One SEO | WooCommerce SEO and AI tools from $49.50 in year one |
| Agency or freelancer, client sites | SEOPress or Rank Math PRO | White-label at $49, or unlimited personal sites at $95.88 |
| Writer who wants AI coaching | Squirrly SEO | Live guidance while you write, $19.99 a month |
| Hands-off, set-and-forget site | The SEO Framework or Slim SEO | Automated SEO from $59 to $84 a year |
| Schema and rich results only | Schema Pro | Display rules and 21+ schema types for $69 in year one |
How to choose: a short decision path
- Count your sites first. One site: any plugin works. Five or more: Rank Math PRO or SEOPress win on licence cost; Yoast gets expensive.
- Try the free version for a week. Install it, publish two or three posts, and check the titles and sitemaps it generates. If the free tier covers you, do not pay yet.
- List the one feature that would make you pay. Redirects, local SEO, AI writing or rank tracking — then buy the cheapest plan that includes it, and check the renewal price, not just the first year.
- Check the renewal before you buy. Rank Math, All in One SEO, SureRank and Schema Pro all charge more after year one; SEOPress and Slim SEO renew at the same price.
- Preview before you publish. Run your titles through the free SERP snippet preview tool to see exactly how they will look in Google.
Mistakes to avoid
- Paying per site when you run many sites. Yoast Premium is $118.80 per site; five sites cost $594 a year. Rank Math PRO and SEOPress stay flat.
- Budgeting on the first-year price. All in One SEO Basic doubles from $49.50 to $99 on renewal, and Rank Math PRO rises from $95.88 to $107.88. Always check the renewal.
- Trusting a directory price. Several directories still list Yoast Premium at $99 a year; the live price is $118.80. Always check the vendor's own page.
- Buying a suite for one feature. If you only need schema, Schema Pro at $69 a year beats a $118.80 suite. If you only need redirects, Rank Math gives them away free.
- Installing two SEO plugins at once. They will fight over titles and schema. Pick one, migrate with its importer, then deactivate the old one.
How we chose
We checked each vendor's own pricing page on November 2, 2026 and recorded the starting price exactly as shown, including the first-year discount and the renewal price where the page lists one. Two prices needed extra care: Squirrly's homepage advertises "from $9.99 a month", but its pricing page lists PRO at $19.99 a month with a $9.99 first payment, so we used the $19.99 ongoing rate; and The SEO Framework publishes no public pricing page, so its $7-a-month Pro rate is the figure published by independent reviews of the vendor's plans. Squirrly and The SEO Framework bill monthly, so the chart shows 12 months at the monthly rate. Ratings come from G2, checked November 2, 2026, with review counts shown; Slim SEO, SureRank and Schema Pro have no G2 rating, so no rating is shown for them. We ranked the plugins by fit for the most common buyer — a WordPress site owner who wants on-page SEO handled inside the editor — not by brand size. No vendor paid for a place in this list, and none of the links here are affiliate links.
What to do next
Start with the decision path above: count your sites, try the free version for a week, and name the one feature that would make you pay. Then install your top pick, publish two or three posts, and check the titles, sitemap and schema it generates before you spend anything. If the numbers look right and the workflow feels easy, you have your plugin. If you'd rather have this set up and read for you, request a free SEO + AI visibility audit and get a ranked fix list in 2 business days.
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Get a free SEO + AI visibility audit→Sources we checked (16)
- Rank Math pricing — rankmath.com/pricing/ (checked November 2, 2026)
- Rank Math on G2 — 4.7/5, 117 reviews (checked November 2, 2026)
- Yoast SEO Premium pricing — yoast.com (checked November 2, 2026)
- Yoast on G2 — 4.5/5, 203 reviews (checked November 2, 2026)
- All in One SEO pricing — aioseo.com/pricing-free/ (checked November 2, 2026)
- All in One SEO on G2 — 4.8/5, 231 reviews (checked November 2, 2026)
- SEOPress pricing — seopress.org/pricing/ (checked November 2, 2026)
- SEOPress on G2 — 4.4/5, 15 reviews (checked November 2, 2026)
- Squirrly SEO pricing — plugin.squirrly.co/wordpress-seo-pricing/ (checked November 2, 2026)
- Squirrly SEO on G2 — 4.7/5, 151 reviews (checked November 2, 2026)
- The SEO Framework on G2 — 4.0/5, 1 review (checked November 2, 2026)
- The SEO Framework Pro pricing ($7/month) — macroter.com review of the vendor's plans (checked November 2, 2026)
- Slim SEO Pro pricing — wpslimseo.com/products/slim-seo-pro/ (checked November 2, 2026)
- SureRank Pro pricing — surerank.com (vendor blog: Pro starts at $99/year) (checked November 2, 2026)
- Schema Pro pricing — wpschema.com/pricing/ (checked November 2, 2026)
- Yoast SEO active installations (10 million+) — WordPress.org data via Hostkey review (checked November 2, 2026)
Shamim
Founder of SerpAstra
A full-stack SEO and digital marketer who spends most days on Local SEO for dental practices, AI search visibility and lead generation.
Frequently asked questions
What is the best WordPress SEO plugin in 2026?
Rank Math is the best overall pick: the deepest free tier, rank tracking on PRO, and one $95.88-a-year licence for unlimited personal sites. Yoast is the best choice if you want the most familiar plugin with the most tutorials, and SEOPress PRO at $49 a year is the best value paid plan.
How much does a WordPress SEO plugin cost?
Between $49 and $239.88 a year at the entry level. SEOPress PRO costs $49 a year, All in One SEO Basic $49.50 in year one, Slim SEO Pro $59, and Rank Math PRO $95.88. Squirrly is the outlier at $19.99 a month because it bills monthly, not annually.
Is there a free WordPress SEO plugin?
Yes — eight of the nine plugins here have free versions. Rank Math's free tier is the deepest, with redirects and a 404 monitor included, and Yoast, All in One SEO, SEOPress, The SEO Framework, Slim SEO and SureRank all cover titles, meta, sitemaps and schema free. Only Schema Pro has no free version.
Yoast vs Rank Math: which is better?
Rank Math wins on value: its free version includes redirects and unlimited keywords that Yoast keeps behind Premium, and PRO covers unlimited personal sites for $95.88 a year against $118.80 per site for Yoast Premium. Yoast wins on familiarity, documentation and the sheer number of tutorials written for it.
Do I need the paid version of a WordPress SEO plugin?
Most sites do not. The free versions cover titles, meta descriptions, sitemaps and schema, which is the bulk of on-page SEO. Pay when you need one specific thing: redirects, multiple keyphrases, local SEO, AI writing help or rank tracking. Buy the cheapest plan that includes that feature.
Can a WordPress SEO plugin replace an SEO audit?
No. A plugin handles on-page basics inside WordPress, but it cannot find crawl errors, slow pages, broken internal links across a whole site or missing pages in the index. Run a proper site audit first, fix what it finds, and let the plugin handle the day-to-day on-page work after that.
What is the cheapest WordPress SEO plugin?
SEOPress PRO at $49 a year for one site, or $149 a year for unlimited sites, with white-label included and the same price on renewal. All in One SEO Basic is $49.50 in the first year but renews at $99, so over two years SEOPress is cheaper. Rank Math's free version costs nothing at all.
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