Paste your article and get a deterministic report in seconds: a 0–100 health score, SEO checks,
six readability indices, a publish-readiness checklist, keyword placement, and a link audit —
the same rule set Gixo Quill runs inside the paid workspace.
No signup. No email. No usage cap. Run the checker as often as you need.
A content health checker is a free, deterministic tool that scores an article 0-100 by running SEO fundamentals, six readability indices (Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, SMOG, Automated Readability Index, and Coleman-Liau), a publish-readiness checklist, keyword placement, and a link audit against the draft's actual HTML or text. It accepts up to 100,000 characters, requires no account or email, and returns the same score every time for the same draft because every check is rule-based rather than AI-judged. Gixo Quill runs this exact rule set inside its paid content workflow.
"Free · no AI generation used" — the checker runs the same deterministic rules whether or not you're on a paid plan.
What does a content health checker check?
No black box — these are the actual rule sets behind the score.
SEO fundamentals
Title presence and length (30–60 characters), meta description (120–160), focus keyword in the title, meta, content, and first paragraph, word count vs. a 300-word floor, H2 section headings, and image presence — each miss carries a defined score penalty.
Six readability indices
Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, SMOG, Automated Readability Index, and Coleman-Liau — plus sentence-length distribution and complex-word share, so you can see why the grade is what it is.
Publish-readiness checklist
Exactly one H1, section headings present, alt text on every image, schema markup present, a call to action detected, primary keyword in the first 350 characters, and title/meta within range — the mechanical gate before you hit publish.
Structure completeness by type
Pick blog post, how-to guide, ultimate guide, comparison, or product review and the checker maps your draft against that type's structure guide — required elements, word-count target band (65–175% of the guide's target), and minimum viable sections.
Link audit
Internal, external, and anchor link counts, broken in-page anchors (links to IDs that don't exist), missing hrefs, and orphan risk when a piece has no internal links at all.
Keyword placement
For each target keyword: occurrence count, density, and whether it appears in the title, the first paragraph, and headings — placement facts, not "AI optimization" guesses.
Why is a deterministic content health checker better than an AI grader?
Most free "content graders" send your draft to a model and return an opinion — different every run, impossible to act on. This checker is a fixed rule set: the same draft always produces the same score, which means the score works as a progress meter. Fix the missing alt text, re-run, and the number moves because the facts moved.
The honest boundary: a deterministic check can tell you a heading is missing, a sentence runs long, or an anchor is broken. It cannot tell you whether your argument is interesting — that stays your job. What it guarantees is that the mechanical failures never reach your readers, and that no usage cap or signup wall stands between you and checking your own work. Up to 100,000 characters per check.
When the gaps need new writing, compare Gixo Quill plans for generation across dozens of structured formats, selectable source and evidence controls, writing guidance, collaboration, export, and publishing workflows.
What does a content health checker score, exactly?
Check category
What it evaluates
SEO fundamentals
Title length (30–60 chars), meta description (120–160 chars), focus keyword in title/meta/content/first paragraph, 300-word floor, H2 headings, image presence
Readability (6 indices)
Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, SMOG, Automated Readability Index, Coleman-Liau, plus sentence-length distribution and complex-word share
Publish-readiness checklist
Exactly one H1, section headings present, alt text on every image, schema markup present, CTA detected, primary keyword in first 350 characters, title/meta in range
Structure completeness
Draft matched against blog post / how-to / ultimate guide / comparison / product review structure guide, word-count target band 65–175% of guide target
Link audit
Internal, external, and anchor link counts; broken in-page anchors; missing hrefs; orphan risk with zero internal links
Keyword placement
Occurrence count, density, and presence in title/first paragraph/headings per target keyword
Input limit
Up to 100,000 characters, HTML or plain text, no account or signup required
Frequently Asked Questions
Is the content health checker really free?
Yes — no account, no email, no usage cap. The checks are deterministic rules (length thresholds, structure matching, readability math), so each run costs nothing to serve. The paid product is content generation, not the check.
Does it use AI to judge my writing?
No. Every check is rule-based and reproducible. That's deliberate — a grade that changes between runs can't tell you whether your edit helped.
What formats can I paste?
HTML or plain text, up to 100,000 characters. Pasting HTML gives the most complete report because heading structure, images, alt text, and links can be inspected directly.
Is this a rank tracker or SERP tool?
No — it audits the draft itself, not search results. It tells you whether the piece is structurally and mechanically ready to publish; where it ranks afterwards depends on your site and the query.
What is a content health checker?
A content health checker is a deterministic tool that scores a piece of writing from 0-100 by running fixed rule sets for SEO fundamentals, six readability indices, a publish-readiness checklist, keyword placement, and a link audit -- the same draft always produces the same score, since nothing is judged by AI.
What does a content health score of 0-100 mean?
The 0-100 score is a composite of the checker's rule-based categories -- SEO fundamentals, readability indices, publish-readiness checklist, structure completeness, link audit, and keyword placement -- with each missed rule (e.g., missing alt text, a title outside 30-60 characters) carrying a defined penalty, so the score moves only when the underlying facts about the draft change.
