What does the headline analyser measure?
The SmartWriteTools headline analyser scores each headline across five dimensions, with a maximum of 100 points. Here is what each dimension measures and why it matters.
1. Length (25 points)
The optimal headline length for most online content is 50–70 characters. Headlines in this range are long enough to include a keyword and convey clear value, but short enough to display fully in Google search results without being cut off. Headlines under 40 characters often lack context. Headlines over 90 characters frequently get truncated in search snippets, reducing click-through rates.
2. Word count (20 points)
Research across millions of articles consistently shows that headlines of 6–9 words perform best for click-through rates. Headlines in this range are specific enough to set expectations without becoming unwieldy. Very short headlines (under 4 words) lack specificity. Very long headlines (over 12 words) become hard to scan quickly.
3. Power words (25 points)
Power words are specific verbs, adjectives and nouns that trigger an immediate psychological response — curiosity, urgency, desire, or trust. Words like "proven", "ultimate", "discover", "essential", "transform" and "secret" consistently increase engagement with headlines. The analyser checks your headline against a curated list of 60 power words across four categories: action, value, curiosity and exclusivity.
4. Emotion (20 points)
Headlines with emotion — positive (inspiring, exciting) or tension-creating (avoid, fail, warning) — outperform neutral factual headlines. The headline analyser detects both positive emotional words and negative tension words, rewarding headlines that create an emotional response without being manipulative.
5. Clarity deductions (up to −20 points)
The clarity check penalises patterns that reduce trustworthiness: excessive ALL CAPS words, multiple exclamation marks, and known clickbait phrases. These patterns can inflate engagement short-term but damage credibility and repeat visit rates. A headline that scores well on the first four dimensions but relies on these techniques will see its score adjusted downward.
How the A–F grade works
Most first-draft headlines score in the C range. This is normal — first-draft headlines are usually written to capture the idea, not to maximise engagement. The headline analyser turns the improvement process from guesswork into a targeted set of changes.
How to use the free headline analyser
- Open the SmartWriteTools toolkit and scroll to the Headline Analyser card
- Click Run → to open the tool
- Type or paste your headline into the input field
- Press Enter or click Analyse →
- Review your A–F grade and the five dimension scores
- Read the feedback pills — green shows what is working, amber shows what to improve, red shows what to fix
- Edit your headline and run it again — watch the score change in real time
Common reasons headlines score low
Too short: "How to Write Better" is 4 words and 21 characters — not enough to rank for anything specific or set clear expectations. Add a specific benefit or audience: "How to Write Better Headlines for Your Blog" scores significantly higher.
No power words: "Tips for Email Marketing" is factual but flat. "10 Proven Email Marketing Techniques That Drive Sales" includes "proven" and "drive" — both power words — and scores in the B range.
No emotional trigger: neutral headlines get lower engagement than headlines that create a feeling, even a mild one. "Writing Tips for Beginners" is neutral. "The Writing Mistakes Most Beginners Make (And How to Fix Them)" creates mild tension and scores higher on emotion.
Excessive capitalisation or punctuation: SHOCKING TIPS YOU WON'T BELIEVE!!! scores poorly on clarity regardless of other factors. Credibility matters more than shock value for long-term traffic.
Improving a low-scoring headline
The most efficient way to improve a headline is to focus on the lowest-scoring dimension first. If the headline analyser shows a low power word score, add one strong verb or adjective. If emotion is low, consider whether the headline can hint at a benefit or risk. If length is too short, add a specific qualifier — an audience, a number, a timeframe.
Run the headline analyser again after each change. You will often find that fixing one dimension improves two others — adding a power word also adds emotional weight, for example. The target is a B grade (65+) as a minimum, with A (80+) achievable on most topics with one or two targeted iterations.
For a deeper guide to the specific techniques, see How to Write a Good Headline and Power Words for Headlines.
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