SEO in 30 days
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Lesson 4 of 30 · 10 min · 7 steps

Day 4. How search engines evaluate quality

Concept1/7

The key idea

Helpfulness matters more than tricks

Search engines aim to surface helpful, reliable, people-first content. Google's E-E-A-T concepts help you assess quality:

  • Experience: the author has used, tried or done the thing. Original photos, measurements and lessons from mistakes provide evidence.
  • Expertise: knowledge, accuracy and a sound explanation.
  • Authoritativeness: recognition, citations and references in the subject area.
  • Trustworthiness: clear ownership, contact information, honest pricing, transparent terms and a secure site. Trust is central.

E-E-A-T is a quality framework, not a single measurable ranking score. Other search engines also assess usefulness and business credibility.

Signs of weak content

  • Repeated keywords, filler and claims without facts.
  • Large volumes of near-identical pages, copied articles or unreviewed AI output without added value.
  • A headline that promises something the page does not deliver.
  • Intrusive ads and popups that obstruct reading.

A practical test

Ask: ‘Would I create this page for customers if search engines did not exist?’ A yes is a useful starting point.

Diagram2/7

Quality signals: what helps and what hurts

Two columns compare a useful page with a page written mainly for a crawler.
Aim for a page you would create even without search engines.
Example3/7

A paragraph for crawlers versus one for people

A bathroom renovation service page on a contractor's site.

Before

The keyword is repeated without timelines, prices or warranty details. The reader lacks the information needed to make contact.

After

The page provides a timeline, an illustrative price, a warranty and an experienced author, helping the visitor make a decision.

How an expert reasons

Replace repetition with facts a customer needs: time, price, warranty and who will do the work. Keep the service phrase naturally in the heading, rather than repeating it mechanically.

Key point4/7

AI-generated content

Using AI is not automatically a problem. Producing large amounts of content to manipulate rankings without helping people is. Add firsthand experience, verify facts and edit carefully; otherwise your page adds little to existing results.

Check5/7

Check your understanding

Which element most strengthens trust in a service page?

Check6/7

Check your understanding

Which are signs of low quality? Select all that apply.

Select all that apply

Practice7/7

Audit trust on one page

Open a key service, product or article page and check:

  • [ ] The author or company is identified and contact details are available
  • [ ] Prices, times, numbers and terms are specific
  • [ ] Photos and examples are original where relevant
  • [ ] Keywords are not repeated mechanically
  • [ ] Ads and popups do not block reading

Note which items are missing and what you will add first.

Saved automatically, even offline.

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