The Detailed SEO Extension I Swear By Right Now
After bouncing between 20+ tools, the one that’s stayed pinned to my browser is Detailed SEO Extension (yeah, that’s literally its name — no fancy branding nonsense).
Here’s why it’s the only one I trust when I need real data fast:
- On-page SEO score broken down by 40+ factors (not some vague 0-100)
- Real-time keyword density + TF-IDF suggestions pulled from top 10 competitors
- Internal & external link analysis with anchor text cloud
- Readability score using Flesch-Kincaid + Coleman-Liau (actually useful)
- Schema markup detector that highlights what’s missing
- Core Web Vitals pulled straight from CrUX (no guessing)
- One-click export to Google Sheets or CSV
I open a page, hit the extension, and in under 4 seconds I know exactly what’s broken and what’s working. No extra tabs. No login. No paywall teasing me.
How I Use It Every Single Day (Real Example)
Last week I was optimizing a client post about “how to increase domain authority fast.” Before I touched anything, I ran the detailed SEO extension.
Here’s what it flagged in red:
- Missing H2 with primary keyword variation
- Only 2 internal links (article was 2,800 words… ouch)
- Image alt text was garbage
- Readability score of 42 (basically written for college professors)
15 minutes later I fixed everything and bumped the on-page score from 68 → 94. Client saw ranking jump from position 14 to 6 in under 10 days.
By the way, if you’re trying to boost DA yourself, I wrote a monster guide over at https://www.howtoincreasedomainauthority.com/ that walks through the exact step-by-step I use with law firms and SaaS companies. Still gets me messages every week from people who 2X’d their DA in 90 days.
The Runners-Up (Still Pretty Solid)
Look, I’m not married to one tool. These are the others still installed because they do specific things better:
- SEOquake – Old school but the SERP overlay is still unbeatable for quick competitor spying.
- Keywords Everywhere – Cheap credits, shows search volume + CPC right in Google search. I use it daily.
- Ahrefs SEO Toolbar – Insane backlink data on the fly, but you need an Ahrefs subscription (worth it if you’re serious).
- Ubersuggest Chrome Extension – Neil Patel’s free one. Surprisingly good for topic clusters and content ideas.
But none of them give me the full-page deep dive like Detailed SEO Extension does.
The One Thing 99% of These Extensions Get Wrong
Most detailed SEO extensions try to do everything and end up doing nothing well.
They’ll show you:
- A pretty graph
- Some green checkmarks
- A score that means absolutely nothing
Then you’re left guessing what to actually fix.
The extension I use doesn’t play that game. It literally tells you: “Your H1 is 92 characters — Google truncates at 60, fix this.” That’s the kind of blunt feedback I need when I’m on deadline.
Quick Checklist I Run With My Detailed SEO Extension Every Time I Publish
- Primary keyword in first 100 words?
- At least 3-5 internal links to relevant high-authority pages?
- All images have descriptive alt text under 125 characters?
- Meta title between 50-60 characters?
- At least one LSI keyword in H2/H3 tags?
- Readability above 60 (Flesch score)?
- Page speed under 3 seconds (mobile)?
If any of those are red, I don’t hit publish. Period.
Final Verdict
If you’re tired of half-baked SEO tools that waste your time, grab Detailed SEO Extension today. It’s free, lightweight, and actually useful.
And if you’re grinding to build real authority (not just game Google for a month), go read my full playbook at https://www.howtoincreasedomainauthority.com/ — people tell me it’s the most actionable guide they’ve ever found on the topic.