Alt Text — Chhoto Kaj, Boro SEO Impact (Step by Step)
Prottek chobi-r alt text kivabe likhbe — Google, screen reader ar SEO tinta-r jonno step-by-step guide.
Alt text (alternative text) — chhoto ekta HTML attribute, kintu SEO ar accessibility duita-e boro difference bananoy.
Step 1: Alt text ta ki?
Alt text hocche chobi-r "text description". Jodi kono karone chobi load na hoy, ba jodi keo screen reader use kore, tokhon ei text-i dekhabe/porbe.
<img src="cake.jpg" alt="Chocolate birthday cake with candles">
Step 2: Kno important — 3ta karon
- SEO: Google chobi "dekhte" pare na, sudhu alt text porey bujhe.
- Accessibility: Blind users screen reader diye alt text shune.
- Fallback: Slow internet-e chobi load na hole alt text-i show hoy.
Step 3: Bhalo alt text kivabe likhbe
Rules:
- Descriptive holen — chobi-te ki ache seta bolo
- Chhoto rakho — 125 character er kom
- "Image of" ba "picture of" likho na — obvious
- Keyword stuff koro na — natural bhasha
Step 4: Compare — kharap vs bhalo
❌ <img src="p1.jpg" alt="image">
❌ <img src="p1.jpg" alt="cheap laptop buy now sale">
✅ <img src="p1.jpg" alt="MacBook Pro 14-inch on wooden desk">
Step 5: Decorative chobi
Jodi chobi-ta sudhu design-er jonno (background pattern, divider), tokhon alt="" likhbe — empty. Screen reader skip korbe.
<img src="divider.png" alt="">
Step 6: Nijer website audit koro
Chrome extension "WAVE" ba "Axe" install kore nijer page-er alt text check koro. Prottek chobi-te alt ache kina ekhoni test koro.
Bonus tip — AI diye alt text generate
CodeShikhi-r admin blog editor-e "Suggest alt with AI" button ache — jekono chobi upload korle Gemini Vision automatic sundor alt text banabe. Try koro!