রাজশাহীর ব্যবসা, স্টার্টআপ বা প্রতিষ্ঠানের ওয়েবসাইট—রাতে ব্যবহারকারীরা চোখের আরামে পড়তে চান, মোবাইলে ব্যাটারি কম খরচ হোক, আর কনটেন্ট যেন ফোকাসে থাকে। তাই Dark Mode Website Rajshahi এখন শুধু ট্রেন্ড না; এটি UX, Accessibility, SEO এবং ব্র্যান্ডিং—সব কিছুর জন্যই স্মার্ট চয়েস। BD IT CENTER হিসেবে আমরা আপনার ওয়েবসাইটে best-practice Dark Mode যোগ করি—secure, fast, SEO-ready এবং easy to maintain।
Eye Comfort: রাতের সময় glare কমে, long-read সহজ হয়।
Battery Saving (OLED/AMOLED): ডার্ক পিক্সেলে কম পাওয়ার, mobile users stay longer.
Focus & Readability: distraction কমে, CTA ও key content বেশি চোখে পড়ে।
Brand Modernity: premium feel—tech-savvy audience-এর কাছে ব্র্যান্ড perception উন্নত।
Accessibility & WCAG: high-contrast palettes (AAA/AA) দিয়ে inclusive browsing।
CSS prefers-color-scheme: User OS setting respect—light/dark/auto.
Accessible Color Tokens: semantic variables—--bg, --text, --muted, --primary.
WCAG Contrast Checks: headings, links, buttons সবখানে 4.5:1 বা তার বেশি contrast।
Persistent Theme Toggle: localStorage-based theme memory (no FOUC, no layout shift)।
SVG/Logos Dual Palette: dark/light আলাদা assets—brand consistency।
Performance First: critical CSS, lazy assets, CDN + caching—LCP/CLS/INP অপ্টিমাইজ।
Framework-Ready: WordPress, Laravel, Next.js, custom PHP—সবখানেই smooth integration।
Starter (Small Business): ৳14,900 – existing site-এ Dark Mode add-on, color tokens + toggle।
Standard (Ecommerce/News): ৳24,900 – theme system + product/news templates + WCAG audits।
Pro (Custom/Web App): ৳39,900 – design system, tokenization, A/B test on conversions, QA।
Monthly Pay Plan available. Custom quote? WhatsApp/Call: +8801406666328
Internal Links for Solutions:
• Web Development • Ecommerce Websites • Business Website • News Website • Job Portal • Portfolio Website • Affiliate Marketing Website • Dropshipping Website • Custom website development • Web applications • Website Error Fixing
Dark Mode শুধু রঙ বদল নয়—secure implementation matters:
CSP, XSS guard, sanitized theme toggles।
No inline user-controlled CSS injection।
Role-based dashboard theme settings, audit logs।
Regular patching + WAF + reCAPTCHA on forms।
We don’t just deliver; we teach.
Admin panel walkthrough (Bangla/English mix).
Design tokens কিভাবে আপডেট করবেন—short video & cheatsheet।
Content team-কে dark-friendly media guidelines (images, banners)।
Lower Bounce, Higher Dwell Time → indirect SEO gains.
Core Web Vitals: CLS-free toggle, render-path optimized।
Structured Data Friendly: theme-independent schema; rich results safe।
Image SEO: dual-logo alt text, light/dark safe graphics।
Internal SEO expansion ideas:
Product, News, Jobs templates—see:
If your site is hacked, a quick dark theme push isn’t enough. We provide:
Immediate Malware Scan & Cleanup
Hardening (WAF, headers, login throttling)
Realtime Monitoring (uptime & integrity)
Post-Incident SEO Fix (spam cleanup, index recovery)
Need urgent help? Call/WhatsApp: +8801406666328 or check:
Live Chat & Phone during BD business hours + escalated on-call.
WhatsApp ticketing with screenshot/video support.
Clear SLAs; proactive status updates.
FOUC (Flash of Unstyled Content): SSR + inline critical CSS, toggle sync।
Logo Invisible on Dark: dual assets + prefers-color-scheme aware SVG।
Poor Contrast: tokenized palette + automated contrast checks।
Third-party Widgets: override-safe CSS scopes, vendor-approved theming hooks।
Analytics Mismatch (Light vs Dark): event tagging on theme toggle to attribute behavior।
BD IT CENTER হল Top-Rated Web Development Company in Bangladesh—Rajshahi-focused execution with Dhaka-grade standards. We also provide Best Web Hosting in Bangladesh (BDIX-powered performance), meaning low latency, faster TTFB, and stable uptime—perfect for Dark Mode heavy assets.
Local context + global standards
Design system & tokenization expertise
Security-first deployment
Friendly pricing & training included
Direct access to engineers (no endless tickets)
Explore solutions:
Custom website development • Web applications
“Night-readability অসাধারণ—bounce কমেছে, sales up.” — Retail Owner, Rajshahi
“Theme toggle looks premium, brand feel up!” — EdTech Startup, Dhaka
“Cleanup + Dark Mode deploy = rank & trust ফিরে পেয়েছি.” — News Portal Admin
Define semantic tokens for light/dark.
Respect prefers-color-scheme; add toggle with persistence.
Contrast audit (AA/AAA) for text, links, buttons.
Provide dual logos & illustrations.
Prevent FOUC; test Core Web Vitals after toggle.
Update OG images & email templates for dark backgrounds.
Document hand-over + train your team.
Q1. Existing WordPress site-এ Dark Mode add করা যাবে?
হ্যাঁ, theme-compatible approach + child theme/tokens ব্যবহার করি—no breakage.
Q2. Dark Mode কি SEO ranking-এ direct effect দেয়?
Direct নয়; তবে UX signals (bounce, dwell) improve করলে indirect gain হয়.
Q3. Logo/Images যদি light-only হয়?
Dual assets তৈরি করি (SVG/PNG) + automatic swap rules।
Q4. Accessibility কিভাবে নিশ্চিত করেন?
WCAG contrast, focus states, motion-safe transitions, keyboard nav QA।
Q5. কত দিনে ডেলিভারি?
Existing site add-on 3–7 working days; complex web app 2–4 weeks (scope-wise)।
Q6. Maintenance কে করবে?
আমরা monthly care plan দিই—updates, security, performance, minor edits।
Q7. Hacked site হলে আগে কী করবেন?
Immediate isolate → malware cleanup → hardening → Dark Mode deploy (post-QA)।
Q8. Cost কি one-time নাকি recurring?
Implementation one-time; optional hosting/maintenance monthly/annually।
Dark Mode শুধু স্টাইল নয়—conversion-friendly UX, battery-saving mobile experience, accessibility-first design এবং SEO-smart performance। Rajshahi-based business হলে today-ই শুরু করুন।
Ready to launch your Dark Mode Website in Rajshahi?
📞 Call/WhatsApp: +8801406666328
🔗 Start here: Web Development | Custom website development | Website Error Fixing
Web Development → https://bditcenter.com/Web-Development
Ecommerce Websites → https://bditcenter.com/Web-Development/ecommerce-websites
Business Website → https://bditcenter.com/Web-Development/business-websites
News Website → https://bditcenter.com/Web-Development/news-portal
Job Portal → https://bditcenter.com/Web-Development/job-portal
Portfolio Website → https://bditcenter.com/Web-Development/portfolio-websites
Affiliate Marketing Website → https://bditcenter.com/Web-Development/affiliate-websites
Dropshipping Website → https://bditcenter.com/Web-Development/dropshipping
Custom website development → https://bditcenter.com/Web-Development/custom-development
Web applications → https://bditcenter.com/Web-Development/web-application
Website Error Fixing → https://bditcenter.com/Web-Development/fix-website-errors
Note for Publisher: Include organization JSON-LD, sitewide dark/light OG images, and ensure the header toggle is crawl-safe (no blocked JS). For any help, ping +8801406666328.