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BNবাংলাBlog
Guides on website health, SEO, speed, SSL and e-mail deliverability.
Sep 13, 2026 · 7 min readResponsive Images with srcset and sizes: A Practical Guide
srcset and sizes let each device download an image at the right size. Learn how they work, how to write the sizes attribute and…
Sep 13, 2026 · 7 min readHow to Test Email Deliverability Before You Hit Send
How to test whether your e-mails will reach the inbox: header checks, seed tests across providers, DNS checks and the limits of each method,…
Sep 12, 2026 · 8 min readWebsite Backup Strategy: How to Back Up So You Can Restore
Backups only matter if you can restore them. Learn what to back up, how often, where to store copies and how to test restores…
Sep 12, 2026 · 8 min readHow to Update Old Content for SEO: Refresh, Merge or Remove
Review your old pages and blog posts: which to refresh, which to merge or redirect, which to remove, and how to update pages without…
Sep 12, 2026 · 7 min readHero Sliders and Carousels: The Hidden Cost to Page Speed
Homepage sliders look impressive but often delay the main image, add scripts and shift layouts. Learn what they cost and how to replace or…
Sep 12, 2026 · 7 min readEmails Going to Junk in Outlook and Hotmail? How to Fix It
Mail landing in Outlook.com or Hotmail junk folders? Learn how Microsoft filters mail, which requirements apply to senders and how to diagnose and fix…
Sep 11, 2026 · 7 min readWeb Application Firewall (WAF): Does Your Website Need One?
A web application firewall filters malicious requests before they reach your site. Learn what a WAF blocks, what it cannot do, and which type…
Sep 11, 2026 · 8 min readCommon SEO Mistakes Small Businesses Make (and How to Fix Them)
The SEO mistakes small business websites make most often, from hidden pages and vague titles to thin service pages, and a practical fix for…
Sep 11, 2026 · 7 min readAre Page Builders Slowing Down Your WordPress Website?
Page builders make design easy but add heavy CSS, JavaScript and markup. Learn where the cost comes from, how to measure it and how…
Sep 11, 2026 · 8 min readDKIM Failing? How to Troubleshoot dkim=fail and dkim=none
A step-by-step guide to fixing DKIM failures: missing keys, wrong selectors, truncated records, modified messages and signatures that use the wrong domain.
Sep 10, 2026 · 8 min readWebsite Security Scan vs Penetration Test: What You Need
Automated security scans, audits and penetration tests answer different questions at very different costs. Learn what each covers and when you need which.
Sep 10, 2026 · 7 min readHow Often Should You Audit Your Website’s SEO?
How often to run an SEO audit depends on how fast your site changes. A practical schedule for small sites, shops and agencies, and…