Developer Tools
Tools for site analysis and SEO optimization: meta tags, headings, images, links, structured data, indexing and more.
Compare extensions
Tools
Free browser extension that helps you analyze website content, detect and fix all SEO-errors (links, images, meta, content, etc.).
Audience & ratings
Store users
20K
10K
Ratings
What stands out
Alaev SEO Tools: Free Audit & Analysis reports the larger audience. These are store counts. The rating difference is 0.01 points across 177 and 129 ratings.
Different categories. Category overlap does not establish that two products serve the same workflow.
Product & publisher
Publisher
Alaev & Co
Chaser
Publisher portfolio
1 listing
3 listings
Listing status
Active
Active
Manifest
Version 3
Version 3
Package size
679KiB
2.42MiB
Permissions & access
Requested capabilities describe access, not developer intent or a safety verdict.
API permissions
6 requested
- activeTab
- tabs
- contentSettings
- scripting
- contextMenus
- storage
8 requested
- scripting
- activeTab
- storage
- tabs
- declarativeNetRequest
- sidePanel
- contextMenus
- downloads
Website patterns
2 recorded
- http://*/*
- https://*/*
1 recorded
- <all_urls>
Releases
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Create your free accountEvidence behind this comparison
Both listings observed 2 Oct 2026.
Store users and ratings are observations, not revenue or lifetime installs. A larger audience or a higher score does not establish product quality.
How Earlygap collects evidenceReplace an extension
Your comparison
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Alaev SEO Tools: Free Audit & AnalysisDeveloper Tools
SiteAnalyzer SEO Tools: Free Meta & SEO CheckerTools