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Гайды о здоровье сайта, SEO, скорости, SSL и доставляемости писем.
10 авг. 2026 г. · Время чтения: 8 минWhy Your Website Says “Not Secure” and How to Fix It
The Not Secure label appears for a handful of reasons: no HTTPS, a broken certificate, mixed content or insecure forms. Here is how to…
10 авг. 2026 г. · Время чтения: 8 минRobots.txt Explained: A Beginner’s Guide With Safe Examples
What robots.txt does and does not do, how its rules work, safe examples for WordPress and shops, and the mistakes that can block a…
9 авг. 2026 г. · Время чтения: 7 минImage Optimization for Faster Websites: A Practical Guide
Images are often the heaviest part of a web page. Learn how to choose formats, resize, compress and load images so your site gets…
9 авг. 2026 г. · Время чтения: 8 минGmail and Yahoo Bulk Sender Requirements: A Practical Guide
What Gmail, Yahoo and Outlook.com require from bulk senders: SPF, DKIM, DMARC, alignment, one-click unsubscribe and spam-rate limits, with a checklist.
9 авг. 2026 г. · Время чтения: 8 минContent Security Policy for Beginners: A Practical Setup Guide
Content Security Policy blocks injected scripts, but a bad policy breaks your site. Learn the key directives and a report-only rollout that works in…
8 авг. 2026 г. · Время чтения: 8 минXML Sitemaps Explained: How to Create and Submit One
What an XML sitemap does, which pages belong in it, how to create and submit one to search engines, and how to fix the…
8 авг. 2026 г. · Время чтения: 8 минHow to Read a PageSpeed Insights Report Without Guesswork
PageSpeed Insights mixes real-user data, a lab score and long lists of audits. Learn what each part means, what to ignore and how to…
8 авг. 2026 г. · Время чтения: 8 минSPF Too Many DNS Lookups: How to Fix the 10-Lookup Limit
An SPF record that needs more than ten DNS lookups fails with a permerror. Learn how to count lookups, what to remove and when…
7 авг. 2026 г. · Время чтения: 7 минHSTS Explained: How to Enable Strict-Transport-Security Safely
HSTS makes browsers use HTTPS for your domain every time. Learn what max-age, includeSubDomains and preload mean, and how to roll HSTS out without…
7 авг. 2026 г. · Время чтения: 7 мин301 or 302? Choosing the Right Redirect for Your Website
The difference between 301, 302, 307 and 308 redirects, what each tells search engines, and how to choose the right one for moves, sales…
7 авг. 2026 г. · Время чтения: 8 минHow to Reduce Server Response Time (TTFB) for Faster Pages
Slow Time to First Byte delays every other part of the page. Learn what TTFB includes, what a good value is, and how caching,…
6 авг. 2026 г. · Время чтения: 7 минWhy Are My Emails Going to Spam? 12 Causes and Fixes
Business e-mails landing in spam? Work through the twelve most common causes, from missing DMARC to cold lists, and learn how to confirm each…