Baymard found that 55% of e-commerce sites failed to use alt text that accurately described the informational content of images, and 64% embedded text inside images instead of HTML. That's the kind of issue teams usually file under accessibility compliance, then ignore until an audit forces the conversation. It's also a growth problem.

Alt text affects how people using screen readers understand your products, your charts, your trust signals, and your calls to action. It also affects how clearly search engines interpret image context and page relevance. On product pages, service pages, and regulated-industry content, weak alt text creates friction at exactly the point where people are trying to evaluate credibility and make decisions.

The highest-performing teams don't treat alt text as a box to tick in the CMS. They treat it as part of content design. That means writing for meaning, not for optics. It means knowing when to stay brief, when to add a longer text alternative, and when an image should have empty alt because it's decorative. It also means testing with actual assistive tech instead of assuming a sentence looks fine because it reads fine on screen.

If you want practical alt text best practices that balance accessibility, SEO, CRO, and compliance realities, start here.

1. Be Descriptive and Specific, Not Vague

Vague alt text creates two avoidable problems at once. Screen reader users get less context, and your page gives search engines very little to work with.

If the image supports a buying decision, a trust decision, or a compliance-sensitive message, the alt text should name what is present. “Product photo,” “office,” and “team member” are placeholders, not descriptions. They tell the user almost nothing about the image, and they miss details that often matter on product pages, provider pages, and location pages.

Specific alt text starts with page purpose. On a skincare PDP, that usually means product name, product type, and a visible detail that helps the user identify it. On a dental or medical page, it may be the treatment setting, equipment, or location cue. On cannabis and health content, it often means describing packaging, format, or presentation without slipping into promotional claims that legal or compliance teams cannot support.

What specificity actually looks like

Compare these:

• Too vague: “product photo”
• Better: “Trilogy Vitamin C Booster Treatment serum bottle on marble surface beside a green plant”
• Too vague: “office”
• Better: “Modern dental clinic waiting room in Vancouver with leather seating and framed wall art”
• Too vague: “yoga class”
• Better: “Instructor leading a group yoga session in a bright studio with participants on blue mats”

The pattern is simple. Name the subject, add the visible detail that matters, then stop.

A useful check is to ask: what would a person miss if they could not see this image? That question keeps alt text focused on information, not decoration. It also keeps teams from stuffing in every visible detail, which slows review and rarely improves accessibility.

I use the same standard I use for SEO meta tag optimization. Write the field for meaning first, then make sure it supports discoverability without sounding engineered.

What works in practice

The strongest alt text usually includes two or three concrete attributes:

• Product identity: brand, product name, format, or variant
• Decision-driving detail: color, packaging, flavor, count, or another visible feature
• Relevant context: clinic, treatment room, dispensary shelf, studio, or other setting if it changes the meaning

That balance matters in regulated categories. A cannabis image does not need alt text that says the product “relieves stress.” A health product image should not imply outcomes the page cannot substantiate. Describe what is visible and useful. Then validate it with real screen reader testing later in the process, because copy that looks specific in a CMS can still sound clumsy when read aloud.

2. Write for People First, Not Just Search Engines

Alt text written for algorithms is usually obvious. It sounds awkward, repetitive, and vaguely desperate. Screen reader users hear that immediately.

The better standard is simple. If the alt text sounds natural when read aloud, you're usually moving in the right direction. That's one reason accessibility guidance consistently pushes a concise, context-first pattern: keep alt text to about 1 to 2 sentences or roughly 125 characters or fewer when possible, lead with the most important information, and avoid redundant phrasing like “image of”.

The SEO trap to avoid

Marketers sometimes treat alt text like a hidden keyword field. It isn't.

A sentence like “best organic anti-aging serum product review skincare treatment” might look keyword-rich in a spreadsheet, but it sounds broken in assistive tech. It also creates a low-quality experience on pages where trust matters, especially in health, cannabis, and wellness categories where every piece of language contributes to credibility.

Use natural language instead:

• Awkward and search-first: “premium cannabis strains buy online”
• Human-first: “Artisan cannabis flower in a glass jar showing dense trichomes and golden hues”
• Awkward and search-first: “Vancouver RMT massage therapy services”
• Human-first: “Registered massage therapist treating shoulder tension during a deep tissue session”

Good alt text supports the same intent as strong title tags and metadata. It gives context without stuffing. If your team is already tightening on-page signals, this should align with the way you approach meta tags for SEO optimization.

Read alt text out loud before publishing. If it sounds like it was written for a crawler instead of a person, rewrite it.

Where regulated industries get this wrong

In regulated sectors, teams often overcorrect. Legal review strips the description into sterile jargon. SEO review tries to put the keywords back. The result is unreadable.

The middle ground is better. Use compliant language, but write it so a real person can understand it on first listen. That's usually the version that performs best across accessibility, trust, and search relevance.

3. Omit Redundant Information Already in Visible Text

One of the fastest ways to make a page annoying with a screen reader is to repeat what the user just heard.

If a heading says “Hemp-Derived CBD Tincture” and the alt text says “Hemp-Derived CBD Tincture,” you haven't added value. You've added noise. Strong alt text complements nearby copy instead of echoing it.

Add what the page doesn't already say

A few common examples:

• Caption already names the person: Don't repeat the name. Describe the context or action.
• Heading already names the product: Use alt text for visible attributes, packaging, or use case.
• Adjacent body copy already explains the concept: Keep the alt short and supportive, or make it empty if the image is purely decorative.

For example:

• Redundant: “Dr. Sarah Chen, DDS”

• Better: “Dr. Sarah Chen speaking with a patient in a modern Vancouver dental office”

• Redundant: “Hemp-derived CBD tincture”

• Better: “Amber glass tincture bottle with dropper and potency label”

This is where teams should coordinate

Alt text quality isn't just a writer problem. It's a layout problem and a content design problem.

If the designer places a headline inside the image, the writer may feel pressure to repeat it in alt. If the copywriter adds a caption and product title, the editor may not realize the image now needs a different treatment. The fix is to review the whole component together, not the alt field in isolation.

The cleanest alt text often comes from asking one question: “What will the user not get unless this field tells them?”

That mindset keeps the experience efficient. It also forces sharper prioritization, which usually improves page quality overall.

4. Include Context and Relevance to Your Page Purpose

The same image can need different alt text depending on where it appears.

Put a tincture bottle on a product page, and the alt should help someone evaluate the item. Put that same bottle in an educational article about dosing, and the alt should support the instructional point. Put it on an about page, and the packaging may matter less than the brand context.

Context changes the right answer

Here's how that plays out in practice:

• Service page: “Licensed acupuncturist performing dry needling treatment in a Vancouver clinic”
• Product page: “Functional mushroom capsules in a recyclable amber bottle with reishi and lion's mane listed on label”
• Educational blog post: “Person measuring tincture with a dropper for accurate dosing in a kitchen”

The image hasn't changed much. The page goal has.

That's why alt text should connect to the page's intent, not just the image's contents. On a service page, users often need reassurance around professionalism, safety, and relevance. On a product page, they need details that support comparison and buying decisions. On a thought-leadership post, they need a visual that reinforces the teaching point.

Write for the job the image is doing

A practical way to brief alt text is to ask:

• What action does this page want from the visitor
• What role does the image play in helping them take that action
• What detail is most helpful in that exact moment

That's the same strategic discipline that improves stronger page copy in general. If your content team needs that framework, it should line up with how you approach SEO-friendly content writing.

For regulated brands, this matters even more. Context helps you avoid two common mistakes. One is writing alt text so generic that it contributes nothing. The other is stuffing in benefit language that the image itself doesn't support or compliance may not allow. Relevance is the better filter.

5. Keep Alt Text Concise, Typically 125 Characters or Fewer

Screen readers do not reward extra words. They reward useful words.

A practical ceiling of about 125 characters works well because it forces prioritization. You stop narrating the whole scene and keep the detail that helps someone understand the image in context. That matters for accessibility, and it matters for performance. Shorter alt text is easier to QA, easier to scale across large sites, and less likely to drift into keyword stuffing or unsupported claims on regulated pages.

Concise alt text keeps the important detail intact

A tighter version usually performs better because it gets to the point faster.

• Too long: “This image shows a modern dental office waiting room in Vancouver with comfortable leather seating, framed art, and a reception desk”

• Tighter: “Modern Vancouver dental office waiting room with leather seating and framed art”

• Too long: “A full-spectrum CBD tincture product in an amber bottle with a dropper and visible potency label displayed on a countertop”

• Tighter: “Full-spectrum CBD tincture in amber glass bottle with dropper and potency label”

In both cases, the shorter option preserves the decision-making detail and cuts the narration. That is usually the right trade-off on service pages, product pages, and conversion-focused landing pages.

Cut what does not change meaning

Start with the parts that add length without adding value:

• Empty adjectives: beautiful, nice, amazing, premium, stunning
• Obvious framing: image of, photo of, picture of
• Low-value details: background texture, minor props, lighting notes that do not change interpretation

I also cut compliance-risk language that the image cannot verify. In health, cannabis, and wellness, alt text should not introduce benefit claims, treatment promises, or product positioning that is not visible in the image itself.

Strong alt text is edited, not expanded.

For complex visuals, the goal changes. Charts, infographics, dashboards, and screenshots often need a short alt text summary plus supporting explanation in nearby copy or another text alternative. The best way to validate whether you chose the right level of detail is to test it with an actual screen reader. If the image makes sense on first listen, the length is usually right.

6. Use Clear, Plain Language Avoiding Jargon

Plain language wins more often than clever language.

That's especially true in industries where teams are used to technical terminology. Health, cannabis, and supplement brands often write alt text that sounds like it came from a compliance memo or an internal product spec sheet. Users don't need that. They need clear meaning.

Translate specialist language into useful language

Compare these:

• Jargon-heavy: “Full-spectrum phytocannabinoid extract in MCT carrier oil vehicle”

• Clearer: “Full-spectrum CBD extract in a coconut oil base”

• Unclear: “Patient undergoing PDT therapy”

• Clearer: “Patient receiving light therapy treatment for skin care”

• Overly clinical: “RMT performing soft tissue mobilization”

• Clearer: “Registered massage therapist treating muscle tension with massage”

The clearer version doesn't talk down to the user. It just removes unnecessary decoding.

Where precision still matters

Plain language doesn't mean dumbing everything down. If a technical distinction matters to the page, keep it. Product format, named ingredients, or a regulated term may be important. The trick is to introduce the specific term only when it improves understanding.

A good test is to ask whether someone outside your sector would understand the sentence on first listen. If not, simplify it. If you need the technical term, pair it with plain wording around it so it still flows naturally.

This is one area where compliance and usability can clash. Legal teams often want exact terminology. UX teams want simpler language. The best compromise is usually a precise term surrounded by plain, spoken phrasing.

7. Match Alt Text to Image Type and Function

Not every image should be described the same way. Some shouldn't be described at all.

A decorative background swirl, spacer graphic, or purely aesthetic stock image often needs an empty alt attribute. A button icon needs action-oriented alt or an accessible name. A product image needs purchase-relevant details. A chart needs the takeaway, not a list of colours and bars.

Use the image's job as your guide

This is the decision tree I use on audits:

• Decorative image: use empty alt so screen readers skip it
• Functional image: describe the action or destination
• Product image: describe visible details that support evaluation
• Informational graphic: summarize the insight
• Editorial illustration: explain the concept being reinforced

The federal guidance in Canada also gets more specific for data visuals. It says alt text should include the chart or graph type, the type of data, and a brief description, and it should be in the same language as the surrounding content. That's a practical standard for teams managing bilingual content, public-facing reporting, or regulated education pages.

Complex images need a layered treatment

The hardest alt text work is usually charts, maps, dashboards, and diagrams. General advice like “keep it short” isn't enough. The Section 508 guidance on alternative text is useful here because it reinforces the right split: keep alt text short and contextual, summarize the key trend or insight, and move longer explanations into supporting text or a linked data table.

Examples:

• Functional icon: “Submit contact form”
• Decorative divider: empty alt
• Chart alt: “Line chart of monthly clinic bookings showing a steady rise through spring”
• Blog illustration: “Illustration comparing child's pose, cat stretch, and seated spinal twist”

If the image helps someone act, describe the action. If it helps someone decide, describe the decision-making detail. If it only decorates, skip it.

8. Test Alt Text with Actual Screen Readers for Real-World Validation

Desktop review catches only part of the problem. Real accessibility work starts when you listen.

Teams often approve alt text because it looks clean in the CMS. Then a screen reader turns abbreviations into gibberish, repeats adjacent content awkwardly, or reads a product grid in a way that strips all useful context. That's why testing matters.

A quick demo helps illustrate the point:

What testing reveals that copy review misses

Screen reader testing will often expose issues like:

• Pronunciation problems: acronyms, branded terms, strain names, or clinical abbreviations
• Flow problems: alt text that sounds fine on paper but becomes clunky in a list of images
• Redundancy problems: the same phrase being announced repeatedly across cards or thumbnails
• Context problems: product images that make sense alone but not when read as part of a collection

This matters for conversion work, not just compliance. If a user browsing a service page or ecommerce category can't quickly understand what each image represents, friction rises. The page becomes slower to use and harder to trust.

How to build testing into production

You don't need a massive QA process to improve this. Start with a small routine:

• Use real tools: NVDA on Windows, VoiceOver on Mac and iPhone, TalkBack on Android
• Test common templates: home page hero, product cards, collection pages, service pages, blog posts
• Listen in sequence: don't test one image in isolation if users will hear ten in a row
• Check intent: does the alt help the user complete the task they came to do

If your team already reviews usability, alt text belongs in that workflow with the same seriousness you'd give forms, mobile navigation, or filtering. It's part of user experience optimization, not a side task for publishing.

Screen reader testing turns “technically present” alt text into alt text that actually works.

8-Point Alt Text Best Practices Comparison

Guideline	🔄 Implementation Complexity	⚡ Resource Requirements & Speed	📊 Expected Outcomes (Impact)	⭐ Key Advantages (Quality)	💡 Ideal Use Cases
Be Descriptive and Specific, Not Vague	Moderate, attention to detail required	Higher time per image; no special tools	Improved SEO relevance and accessibility	Increases discoverability and conversions	Product pages, e‑commerce galleries
Write for People First, Not Just Search Engines	Moderate, needs editorial judgment	Editorial time and UX review; moderate speed	More genuine accessibility and long‑term SEO stability	Builds trust and reduces over‑optimization risk	Service pages, brand storytelling, regulated sectors
Omit Redundant Information Already in Visible Text	Moderate‑High, requires coordination	Content audits and cross‑team reviews; variable speed	Cleaner screen‑reader experience; faster content scanning	Reduces bloat and clarifies information hierarchy	Pages with captions, headings, or dense copy
Include Context and Relevance to Your Page Purpose	Moderate, needs content strategy input	Strategy alignment and possible alt variants; moderate effort	Better alignment with user intent and higher conversions	Targets intent without manipulative keywording	Landing pages, product vs. editorial placements
Keep Alt Text Concise (Typically 125 Characters or Fewer)	Low, focused editing task	Low tools (character counter); fast to apply	Prevents truncation; improves readability and scale	Scalable and CMS‑friendly for high volume content	Large product catalogs, high‑volume content feeds
Use Clear, Plain Language Avoiding Jargon	Low, tone adjustment	Low editorial effort; may need glossary for terms	Broader comprehension and better natural‑query SEO	Accessible to non‑experts; reduces misunderstandings	Regulated industries, consumer‑facing content
Match Alt Text to Image Type and Function	Moderate, requires judgment per image	Training and guidelines; occasional markup work	Appropriate navigation and conversion optimization	Prevents over‑ or under‑documenting images	UI icons, infographics, product galleries
Test Alt Text with Actual Screen Readers for Real‑World Validation	High, multi‑platform testing needed	Tester time, devices; some free and paid tools; slower process	Validated accessibility and fewer publish‑time issues	Catches pronunciation/flow and markup errors	Accessibility audits, high‑traffic or compliance pages

Turn Your Alt Text into a Competitive Advantage

Alt text is one of those disciplines that looks small until you see where it touches the rest of the business. It affects accessibility compliance, yes. It also affects comprehension, trust, page quality, and the way users move through key moments on your site. On a clinic page, that can mean clearer service understanding. On an ecommerce page, it can mean better product evaluation. On regulated content, it can mean the difference between language that feels credible and language that feels careless.

The best alt text best practices are practical, not theoretical. Write what matters. Keep it concise. Don't repeat visible text. Match the description to the image's function. Use plain language unless precision is necessary. For complex charts and data visuals, summarize the insight in the alt and put the detail somewhere more usable. Then test it with actual screen readers so you know how it performs in practice.

That last point is where many teams separate. Plenty of sites have alt attributes. Far fewer have alt text that has been validated in context, across templates, on real devices, and with assistive tech that users depend on. That's the difference between checking a box and building a site that works.

For SEO and CRO teams, this work pays off because it sharpens the meaning of each image and reduces ambiguity across the page. For accessibility teams, it creates a more usable experience instead of a merely compliant one. For brands in cannabis, health, wellness, and other regulated categories, it also creates a stronger editorial discipline. You're forced to say exactly what the image contributes, no more and no less.

If you manage a growing catalogue, a large service site, or a content-heavy publication, don't leave alt text to whoever uploads the file last. Set a standard. Build review into publishing. Audit templates, not just pages. Spot where decorative images should be skipped, where product images need richer context, and where charts require a longer description path. That's how alt text stops being an afterthought and starts acting like a performance asset.

Juiced Digital applies these principles the same way a senior strategy team should. Through content design, technical SEO, CRO, and accessibility-minded QA that supports both rankings and revenue. If your site serves local markets, national ecommerce, or a regulated niche, this is a low-hanging advantage that most competitors still underuse.

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If you want a sharper read on your current image accessibility, SEO signals, and conversion friction, contact Juiced Digital for a free audit. Their team helps Vancouver businesses, ecommerce brands, and regulated companies turn overlooked site details into measurable growth.