Perseo icon

Perseo

by perseo.pro · perseo.pro · Developer Tools
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

The best tool for SEO professionals that helps you analyze the most relevant on-page SEO information in one click.

Users
1,000
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
7
0 in 30 days
Store rank
#27K
#22K among extensions
Version
0.5.1
updated 25 Dec 2022

Users

monthly, 3 years
2006001,000Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
269Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 7 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Perseo

Perseo is the most complete SEO extension for Google Chrome. It allows you to consult all the relevant SEO information of a page in a single click. The best companion for professional SEO consultants. Perseo allows you to consult the most important SEO information of the page you visit and identify any existing problems or anomalies super-fast. This way you can spend more time on strategy and less time gathering information to diagnose problems. The Chrome extension Perseo has been created with the aim of being an essential tool, incorporating all the features that an SEO may need to audit a website in the first instance and saving time in that task. To do this, nothing better than to be inspired by the best. Therefore, we have taken the most useful features from the most prominent extensions in the industry to create the ultimate SEO extension. Features: SEO: Displays all SEO-relevant on-page elements. In one click you will have all the information you need at a glance. Network: Allows you to view the details and HTTP headers of all requests to reach the current page. Headings: Lists all H1-H6 headings included on the page in a hierarchical and attractive format. Schema: Displays the structured data included in the page in a user-friendly format. You will no longer have to navigate through the source code to detect what types it contains. Assets: Presents the links, images, scripts and stylesheets of the page in an easy to consult way. Docs: Provides multiple links to official documentation categorized by area of interest to facilitate the consultation of recurring topics. Supported on-page SEO elements: URL Favicon Status code Canonical link tag Canonical HTTP header Robots meta tag X-Robots-Tag HTTP header Refresh meta tag Title H1 heading Description meta tag Keywords meta tag Author meta tag Structured data summary Language attribute Charset meta tag Vary HTTP header Content-Encoding HTTP header rel="alternate" link tag Viewport meta tag Manifest link tag AMP attribute rel="amphtml" link tag Hreflang link tag rel="prev/next" link tag Resource hint link tag Resource hint HTTP header Link tag robots.txt Sitemaps Changelog: 0.5.1: - (improved) Until now, when opening the popup, if the page failed to load (it did not even return a status code), the message "loading, or no data available for this page, try reload the tab" was displayed. Now, when this situation occurs, a message "error page, no data available for this page" is displayed to differentiate both cases. - (fixed) The copy headings option in the Headings tab did not generate the text string properly when there was an empty heading (i.e.: <h3></h3>) on the page. - (fixed) Fixed bug that caused, in some cases, a page canonicalized to another page using a canonical tag with a URL without a domain to be mistakenly identified as INDEXABLE when it should be classified as CANONICALISED. - (fixed) Fixed bug in Schema tab where tags with an itemscope attribute without itemtype attribute were shown in the structured data list as "null". Now they are displayed with a more descriptive message: "(No itemtype)".

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%−10.00
1 year0+0.0%00.00

Version history

2 versions recorded
0.5.124 Dec 2022
0.524 Sep 2022

Details

Category
Developer Tools
First seen
24 Sep 2022
Size
87 KB
Languages
en
Pricing
Free
Extension ID
efbombjppellgioieookoaemjjmeaije

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
activeTabscriptingstoragewebNavigationwebRequestdeclarativeContentdeclarativeNetRequest
Site access
http://*/https://*/

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