--- title: "Content SEO Editor - On-Page SEO & Readability Score – Chrome extension stats, history and permissions" description: "No user count, no ratings yet. Version 1.3.0, updated 2026-11-02. Requests 16 permissions." url: "https://extensiontracker.com/extension/pcoekccmaifbfkmkejbbjaagpplpffhm" --- # Content SEO Editor - On-Page SEO & Readability Score Live in the Chrome Web Store. - Users: the store shows no user count - Rating: no ratings yet - Last checked: 2026-11-09 06:42 UTC - Users gained in 7 days: – (needs a week of history) - Users gained in 30 days: – (needs a month of history) ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > On-demand 0-100 SEO score plus Flesch readability for the current page. Reads meta title, description, slug and focus keyword. - Extension ID: `pcoekccmaifbfkmkejbbjaagpplpffhm` - Developer: [GTS](https://extensiontracker.com/developer/u2e44e5d73e7060e89bcb448e99138020) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools) - First published: 2026-11-02 - Last updated: 2026-11-02 - Version: `1.3.0` - Size: 25.84 KiB - Minimum Chrome: 88 - Languages (1): English - Website: `cosmoswebtech.com.au` - Support page: `https://extensions.cchk.info/content-seo-editor/support` - Chrome Web Store: - View its code or download CRX: - Search Google for the ID: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | Checked | Users | Rating | Ratings | | --- | ---: | ---: | ---: | | 2026-11-09 | – | – | – | | 2026-11-03 | – | – | – | ## What changed Every change found on a check, newest first. - 2026-11-07: Now trusted by Enhanced Safe Browsing. ## Developer history Moves to another publisher account and new contact emails, newest first. No move to another account and no new contact email since tracking began on 2026-11-03. We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/). ## What it can access From the extension's manifest, in plain language. **Every website:** it can read and change your data on all the sites you visit. ### Sites - `https://*.editorx.com/*`: editorx.com and its subdomains - `https://*.ghost.io/*`: ghost.io and its subdomains - `https://*.substack.com/*`: substack.com and its subdomains - `https://*.wordpress.com/*`: wordpress.com and its subdomains - `https://*/ghost/*`: Every website - `https://*/wp-admin/*`: Every website - `https://app.medium.com/*`: app.medium.com - `https://docs.google.com/*`: docs.google.com - `https://editor.wix.com/*`: editor.wix.com - `https://manage.wix.com/*`: manage.wix.com - `https://medium.com/*`: medium.com - `https://substack.com/*`: substack.com - `https://www.blogger.com/*`: www.blogger.com - `https://www.wix.com/editor/*`: www.wix.com ### Sites where it runs scripts - `https://*.editorx.com/*`: editorx.com and its subdomains - `https://*.ghost.io/*`: ghost.io and its subdomains - `https://*.substack.com/*`: substack.com and its subdomains - `https://*.wordpress.com/*`: wordpress.com and its subdomains - `https://*/ghost/*`: Every website - `https://*/wp-admin/*`: Every website - `https://app.medium.com/*`: app.medium.com - `https://docs.google.com/*`: docs.google.com - `https://editor.wix.com/*`: editor.wix.com - `https://manage.wix.com/*`: manage.wix.com - `https://medium.com/*`: medium.com - `https://substack.com/*`: substack.com - `https://www.blogger.com/*`: www.blogger.com - `https://www.wix.com/editor/*`: www.wix.com ### Browser features - `activeTab`: The tab you're on, only after you click the extension - `scripting`: Run scripts on sites it can reach ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [Origin IP Lookup](https://extensiontracker.com/extension/kgembhgiefcpfjihllloadkmhfaaiefb) | 53 | – | – | Developer Tools | | [Page Data Extractor - Tables, Forms & Structured Data](https://extensiontracker.com/extension/nhobnaljdeopnkcjbfjcjfbmdkobjicd) | 44 | – | – | Developer Tools | | [GitHub Repo Analyzer - Repo Intelligence](https://extensiontracker.com/extension/cnabpnkapnpedgaehgnbnamkggepnkak) | 39 | – | – | Workflow & Planning | | [API Inspector - XHR & Fetch Debugger](https://extensiontracker.com/extension/gbhcnlncoigdfjpgmlibhjnfijinnnoo) | 39 | – | – | Developer Tools | | [Mobile Viewport Preview - iPhone, Pixel, iPad](https://extensiontracker.com/extension/hmolgekkimjkhdggopbppjgmkmjkboaj) | 32 | – | – | Developer Tools | | [JWT & OAuth Inspector](https://extensiontracker.com/extension/hlmgfmchhbphammmmdpedgfgleingcpn) | 20 | – | – | Developer Tools | | [Tech Stack Detector - Technology Profiler](https://extensiontracker.com/extension/dojgbnpffdofdljjpjaeaajcbbalockm) | 19 | – | – | Developer Tools | | [Subdomain Recon - Certificate Transparency Lookup](https://extensiontracker.com/extension/ojfpmfmpfnojkcolhdibnhogdapnbank) | 18 | – | – | Developer Tools | | [Real Address Revealer](https://extensiontracker.com/extension/poomgedbofomgilnecefobgahmablekf) | 18 | – | – | Developer Tools | | [Site Layout Inspector - Wireframe & Template Generator](https://extensiontracker.com/extension/ipeafomaojbmholbdlbdaidikbjadikb) | 11 | – | – | Developer Tools | All 21 extensions by [GTS](https://extensiontracker.com/developer/u2e44e5d73e7060e89bcb448e99138020). ## About this data Collected from the extension's public Chrome Web Store listing. It's checked again 7 and 30 days after it was published, and again whenever a new version appears. Last checked 2026-11-09 06:42 UTC; next check around 2026-12-02. How the data is collected: . ## Cite this page Extension Tracker. “Content SEO Editor - On-Page SEO & Readability Score” (pcoekccmaifbfkmkejbbjaagpplpffhm). Chrome Web Store data, last checked 2026-11-09. https://extensiontracker.com/extension/pcoekccmaifbfkmkejbbjaagpplpffhm. Accessed 2026-11-13. ```bibtex @misc{extensiontracker_pcoekccmaifbfkmkejbbjaagpplpffhm, title = {Content SEO Editor - On-Page SEO & Readability Score (pcoekccmaifbfkmkejbbjaagpplpffhm)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-11-09}, url = {https://extensiontracker.com/extension/pcoekccmaifbfkmkejbbjaagpplpffhm}, urldate = {2026-11-13} } ``` --- From Extension Tracker, a public record of the Chrome Web Store: . It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.