Internal SEO and content analysis tool for titles, headings, and links.
Users
7
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#227K
#190K among extensions
Version
1.0.5
updated 20 Feb 2026
Users
monthly, 8 months
Latest, 20 Oct 2026:7 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 20 Oct 2026:0 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 Spectra - SEO & Content Analyzer
Spectra – One-Click SEO & Content Analysis for Any Web Page
Spectra is a lightweight yet powerful Chrome extension that instantly analyzes SEO, content, and page structure.
With just one click, Spectra automatically detects:
• Missing or weak SEO elements
• Heading structure issues
• Broken links
• Content quality problems
No more manual checks. Spectra clearly shows exactly what needs to be fixed.
Designed for engineers, SEO specialists, marketers, and content creators, Spectra is a practical on-page analysis tool built for real-world workflows.
🚀 What You Can Do with Spectra
■ One-Click SEO Audit
View titles, meta descriptions, OGP tags, and social media previews in a single screen.
Instantly detect missing metadata and see how your page will appear when shared on social platforms.
■ Visualize Heading Structure in Tree View
Display H1–H6 tags in a hierarchical tree.
Quickly identify ordering issues and logical structure problems.
■ Automatic Internal Link Checking
List all links on the page and automatically retrieve:
• Anchor text
• Destination page titles
• HTTP status codes (200 / 404, etc.)
Quickly spot broken links and unnatural navigation paths.
■ Content Quality & Accessibility Analysis
Check image alt attributes, extract frequent keywords, and visualize text patterns to uncover gaps between your SEO strategy and actual content.
■ Technical SEO Diagnostics
Detect URL patterns that cause duplicate content, including:
• Canonical tags
• 301 redirects
• www / non-www versions
• index.html variations
✨ Why Choose Spectra
• Ready to use immediately after install
• Clean, fast, and distraction-free UI
• No external tools required
• Local analysis (no data sent externally)
• Hybrid design combining developer and SEO perspectives