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BNবাংলাBlog
Guides on website health, SEO, speed, SSL and e-mail deliverability.
Oct 1, 2026 · 8 min readCORS Explained: The Misconfigurations That Expose Your Data
CORS decides which other websites may read your responses. Learn how it works, the common misconfigurations that leak data, and how to set it…
Oct 1, 2026 · 8 min readGoogle Traffic Dropped? How to Find the Cause Step by Step
Organic traffic fell suddenly? Work through tracking, technical errors, indexing, updates and competition in order to find the real cause before fixing.
Oct 1, 2026 · 9 min readWhy Your PageSpeed Score Changes Every Time You Test
Your PageSpeed score jumps between tests even when nothing changed. Here is why lab scores vary, what is normal, and how to measure speed…
Sep 30, 2026 · 8 min readGreylisting Explained: Why Some Emails Arrive Late
Greylisting makes a mail server refuse the first message from an unknown sender until it retries. Learn how it works, why it delays email…
Sep 30, 2026 · 8 min readDDoS Protection for Small Websites: What You Actually Need
DDoS attacks can take any website offline, but small sites rarely need expensive tools. Learn what DDoS is, which protection matters and how to…
Sep 30, 2026 · 8 min readJavaScript SEO Basics: Can Google See Your Content?
Google can render JavaScript, but not always quickly or completely. Learn how JavaScript affects crawling and indexing, and how to check what Google sees.
Sep 30, 2026 · 8 min readSpeculation Rules: Prerender Pages for Near-Instant Clicks
The Speculation Rules API lets browsers prefetch or prerender the next page before a click. Learn how it works, when to use it and…
Sep 30, 2026 · 7 min readEmail Sending Limits: Why Your Messages Get Throttled
Sending limits and throttling delay or block email when you send too much, too fast. Learn the limits that apply, how to read deferrals…
Sep 30, 2026 · 8 min readContact Form Spam: How to Stop Bots Without Losing Leads
Contact form spam wastes time, hides real leads and can harm your email reputation. Learn which layers stop bots without annoying the people who…
Sep 30, 2026 · 8 min readHow to Remove a Page From Google Search Results
Need a page gone from Google? Learn which method removes it permanently, when the Removals tool helps, why robots.txt does not work and how…
Sep 30, 2026 · 8 min readIcon Fonts vs SVG Icons: Which Is Better for Page Speed?
Icon fonts load a whole font for a few icons and can flash or shift on load. See why SVG icons are usually faster…
Sep 30, 2026 · 8 min readSpam Trigger Words: What Really Gets an Email Filtered
Lists of spam trigger words are mostly a myth. Learn what modern spam filters actually weigh, which content habits still hurt and what to…