Detailed SEO Extension vs HeadingsMap (2026): which should you pick?
As of Oct 23, 2026, Detailed SEO Extension and HeadingsMap share a 3.0 GPA, both are free, so the choice depends on whether you care more about features, where Detailed SEO Extension grades higher, or platforms, where HeadingsMap does.
Checked Oct 23, 2026 · graded Oct 23, 2026 by ToolGPA
They get the same grade on value for money, the free plan and ease of use.
Price, platforms and features side by side. The table says where each price was read and when.
Detailed SEO Extension
Free Chrome and Firefox extension for one-click on-page SEO checks
Free
HeadingsMap
Free extension that maps a page's headings and flags broken levels
Free
Which one is for you
Pick Detailed SEO Extension if
- Fits if you check titles, headings and schema on single pages and don't want to read the source
- Works for checking hreflang on a multi-language site, alternate by alternate
Look elsewhere if
- Skip it if you want search volumes, rankings or backlinks, as it has none of its own
- Too light for whole-site audits, since it inspects one page at a time
- Not for you if you browse in Safari or Edge, as only Chrome and Firefox are listed
- Watch out: the changelog's last entry is December 2024, though both stores show an update in 2026, and the interface is English only
Pick HeadingsMap if
- Fits if you check that a page's headings run in order before publishing
- Works for accessibility reviews of heading and landmark structure
Look elsewhere if
- Too light for on-page SEO checks, as titles, meta tags, links and schema need another extension
- Skip it if you browse in Safari or Edge, as no store listing for either is named
- Watch out: the developer hasn't identified itself as a trader, so EU consumer rights don't apply
How we grade them
| 3.0GPADetailed SEO ExtensionVery good | 3.0GPAHeadingsMapVery good | |
|---|---|---|
| Value for money | AFree outright on Chrome and Firefox, and its page says there's no paid version and no upsells. Tags, headings, links, schema and hreflang all come at no cost. | AFree from the Chrome Web Store and Firefox Add-ons, with no account and no paid version listed. |
| Free plan and trial | AEvery feature is free, with no account, no plan to upgrade to and nothing held back. | AFree outright: every view in the extension, with nothing held back. |
| Features | CTitle, meta description, meta robots and X-Robots-Tag, headings, link and image exports, schema, hreflang with return-link checks and People Also Ask extraction. The gap the listing names: no keyword volumes, rankings or backlink data of its own. | DOne narrow function: headings, sections and landmarks, skipped levels marked, click to jump, frames read and hidden headings left out. Titles, meta tags, links and schema need another extension, as the listing says. |
| Ease of use | BNo rating on record, but there's nothing to set up: install it, open a page, click the icon and the panel is there. | BNo rating on record, but nothing to set up: click the icon and the outline appears beside the page. |
| Platforms and integrations | CChrome and Firefox extensions, so computers only, with no Safari or Edge version named. The Ahrefs, Semrush, Moz and Majestic links open those sites; no data is pulled in from them. | BChrome and Firefox, including Firefox for Android, so it reaches a phone as well as a computer. No Safari or Edge listing is named, and there are no integrations. |
| Best for | one-click page checks in Chrome or Firefox | checking a page's heading order |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Detailed SEO Extension and HeadingsMap. How we grade
Price against what you get
Detailed SEO Extension has no paid plan and scores 2.3 out of 4 on features, ease of use and platforms. HeadingsMap has no paid plan and scores 2.3.
On this chart the two sit in the same place: the same score for the same starting price. Of the other SEO browser extensions on the chart, none scores higher than Detailed SEO Extension for less, and none scores higher than HeadingsMap for less.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
Where they differ
- Detailed SEO Extension also covers schema markup.
- HeadingsMap also covers content optimization.
In commonFree planBrowser extensionSite audit
At a glance
| Detailed SEO Extension | HeadingsMap | |
|---|---|---|
| Pricing | Free | Free |
| Starts at | Free | Free |
| Free plan | The whole extension is free on Chrome and Firefox; its page says there are no upsells and no paid version. | The whole extension is a free install from the Chrome Web Store and Firefox Add-ons, with no account and no paid version listed. |
| Free trial | None listed | None listed |
| Browser extension | ||
| Made by | Detailed | Jorge Rumoroso |
| Price read from | detailed.com | chromewebstore.google.com |
| Checked | Oct 23, 2026 | Oct 23, 2026 |
Worth knowing
Detailed SEO Extension
- It inspects one page at a time and has no keyword volumes, rankings or backlink data of its own.
- It is listed for Chrome and Firefox only; the vendor names no Safari or Edge version.
- The changelog's latest entry is December 2024, though both stores show version 2.2.7 updated in 2026.
- The interface is in English only, according to the Chrome Web Store listing.
HeadingsMap
- It checks headings, sections and landmarks only; titles, meta tags, links and schema need another extension.
- It is listed for Chrome and Firefox, including Firefox for Android; no Safari or Edge store listing is named.
- The Chrome Web Store notes the developer has not identified itself as a trader, so EU consumer rights do not apply.
Key features
Detailed SEO Extension
- Page overview
- Shows the title tag, meta description, meta robots and X-Robots-Tag header for the page you are on, with a quick link to its sitemap.xml.
- Headings view
- Lists every heading tag indented by level, with a button that copies them all to the clipboard.
- Links and images export
- Exports all links on a page and shows whether each is nofollow or sponsored; image URLs can be downloaded as a CSV file.
- Schema and hreflang
- Shows a page's structured data markup and all its hreflang alternates, with status codes and a check that each alternate links back.
- People Also Ask extraction
- An option on the Advanced tab extracts People Also Ask questions from Google results, including several levels deep.
- Right-click shortcuts
- Open the current page or site in Ahrefs, Moz, Majestic, Semrush, Similarweb or Archive.org, or run a site: search, from the context menu.
HeadingsMap
- Heading outline
- Lists every heading with its level and, optionally, marks where a level is skipped or out of order.
- Sections and landmarks
- Also lists HTML sections and page landmarks, with optional notes on structural errors in each.
- Click to jump
- Clicking an item scrolls the page to that heading and outlines it, so long pages can be checked or read quickly.
- Frames and live pages
- Reads documents inside frames through a document selector, and refreshes the outline when the page changes.
- Copyable anchor links
- When a heading has an anchor, the outline links to it, and an optional link copies that address to the clipboard.
- Hidden headings left out
- Headings hidden from assistive technologies are not shown, so the outline matches what screen readers announce.
Plans
Detailed SEO Extension
Free$0
Every feature of the extension, free to install from the Chrome Web Store or Firefox Add-ons.
HeadingsMap
Free$0
Every view in the extension, free from the Chrome Web Store or Firefox Add-ons.
Common questions
Which is cheaper, Detailed SEO Extension or HeadingsMap?
As of Oct 23, 2026, both Detailed SEO Extension and HeadingsMap are free to use.
Which has a free plan, Detailed SEO Extension or HeadingsMap?
As of Oct 23, 2026, both Detailed SEO Extension and HeadingsMap have a free plan.
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How this page was made
- The verdict at the top follows a fixed rule. When both tools are in the same category and either is in our top three for it, the verdict follows that ranking: the higher-placed tool is our pick. The top three weigh who each tool suits as well as its grades, so a pick can go against the GPA. Otherwise the page does not pick one and says which grades higher: the higher GPA first; on a tie, the one with a free plan, then the one that starts cheaper in dollars a month, counted the same way for both; if they are still level, what the choice depends on.
- The grades are our own, from each tool’s review or report card. The GPA is their average.
- Prices, plans and platforms come from each tool’s listing. The table above says where each price was read and when.
- The differences and the answers to the questions are worked out from those listings.