https://einscube.com/en/blog/ Articles on process automation, migrations that keep their rankings, and Core Web Vitals. en-US © 2026 Einscube S.A.S. https://einscube.com/en/blog/critical-php-and-nodejs-vulnerabilities-october-2026/ https://einscube.com/en/blog/critical-php-and-nodejs-vulnerabilities-october-2026/ On October 21, PHP and Node.js shipped fixes for serious flaws that allow code to run on the server. What they mean in plain language, which versions fix them and what to do this week. Security Wed, 04 Nov 2026 00:00:00 GMT https://einscube.com/en/blog/how-popular-is-a-website-domain-rankings/ https://einscube.com/en/blog/how-popular-is-a-website-domain-rankings/ What domain popularity lists such as Tranco measure, why they matter since Alexa closed, what they do not tell you about a site's traffic, and how to use them to compare competitors or judge a link. SEO Tue, 03 Nov 2026 00:00:00 GMT https://einscube.com/en/blog/what-your-public-ip-address-reveals/ https://einscube.com/en/blog/what-your-public-ip-address-reveals/ The difference between a public and a private IP, why yours changes, what a server can and cannot learn from it, and why support teams and allow-lists ask for it. Development Tue, 27 Oct 2026 00:00:00 GMT https://einscube.com/en/blog/what-is-a-unix-timestamp/ https://einscube.com/en/blog/what-is-a-unix-timestamp/ What a Unix timestamp actually counts, how to tell seconds from milliseconds, where UTC and ISO 8601 come in, what the year 2038 problem is and which mistakes appear when systems are connected. Development Wed, 21 Oct 2026 00:00:00 GMT https://einscube.com/en/blog/how-to-recover-a-sites-old-urls/ https://einscube.com/en/blog/how-to-recover-a-sites-old-urls/ Why the URL inventory is the step that saves the most traffic in a migration, which sources to build it from (Search Console, server logs, the Wayback Machine), and how to turn it into a redirect map. Development Wed, 14 Oct 2026 00:00:00 GMT https://einscube.com/en/blog/does-html-validation-matter-for-seo/ https://einscube.com/en/blog/does-html-validation-matter-for-seo/ Google does not penalise invalid HTML for being invalid, but some errors change what Google reads from your page. Which ones they are, how to spot them in a validator report and which can wait. SEO Tue, 06 Oct 2026 00:00:00 GMT https://einscube.com/en/blog/forgotten-subdomains-security-risk/ https://einscube.com/en/blog/forgotten-subdomains-security-risk/ How certificate transparency puts every subdomain you have used on public display, what a subdomain takeover is, and how to build an inventory so you can clean up what you no longer need. Security Tue, 22 Sep 2026 00:00:00 GMT https://einscube.com/en/blog/ga4-ecommerce-tracking-events-guide/ https://einscube.com/en/blog/ga4-ecommerce-tracking-events-guide/ Why badly configured analytics leads to bad decisions in e-commerce, which ecommerce events Google recommends for GA4, what data each one should carry and how to check they work. Marketing Tue, 15 Sep 2026 00:00:00 GMT https://einscube.com/en/blog/what-is-indexnow/ https://einscube.com/en/blog/what-is-indexnow/ How IndexNow works, the protocol for telling search engines a page has changed, which search engines use it and which do not, how the key is verified, and when it genuinely helps. SEO Tue, 08 Sep 2026 00:00:00 GMT https://einscube.com/en/blog/cron-expressions-explained/ https://einscube.com/en/blog/cron-expressions-explained/ The five fields of a cron expression, the four symbols that combine them, business examples, and the mistakes that make a job run at the wrong time or on the wrong days. Development Wed, 26 Aug 2026 00:00:00 GMT https://einscube.com/en/blog/what-to-automate-first/ https://einscube.com/en/blog/what-to-automate-first/ A method for choosing your first automation without spending the budget on the wrong workflow - how to measure what manual work actually costs, and which signals mean a process is not ready yet. Development Wed, 19 Aug 2026 00:00:00 GMT https://einscube.com/en/blog/wordpress-migration-without-losing-seo/ https://einscube.com/en/blog/wordpress-migration-without-losing-seo/ The full process we follow on every migration - what to measure before touching anything, how to build the redirect matrix, and what to watch through the thirty days after launch. Development Wed, 19 Aug 2026 00:00:00 GMT https://einscube.com/en/blog/site-flagged-as-dangerous-by-google/ https://einscube.com/en/blog/site-flagged-as-dangerous-by-google/ Why Chrome's red screen appears over a website, what is usually behind it, how to clean the site properly and how to ask Google to lift the warning. Security Tue, 11 Aug 2026 00:00:00 GMT https://einscube.com/en/blog/broken-links-and-seo/ https://einscube.com/en/blog/broken-links-and-seo/ Where broken links come from, what they do to the people who click them and to the search engine crawling your site, how internal and external ones differ, and where to start fixing them. SEO Wed, 29 Jul 2026 00:00:00 GMT https://einscube.com/en/blog/how-to-find-out-what-a-website-is-built-with/ https://einscube.com/en/blog/how-to-find-out-what-a-website-is-built-with/ The clues any site leaves about its CMS, its framework and its hosting, how far you can trust them, and why it helps to know before a redesign or a migration. Development Tue, 14 Jul 2026 00:00:00 GMT https://einscube.com/en/blog/what-is-hreflang/ https://einscube.com/en/blog/what-is-hreflang/ What hreflang does on a site with several languages or countries, why it has to be reciprocal, what x-default is, how language and region codes are written, and the mistakes that make Google ignore it. SEO Wed, 01 Jul 2026 00:00:00 GMT https://einscube.com/en/blog/how-to-create-strong-passwords/ https://einscube.com/en/blog/how-to-create-strong-passwords/ Why length beats symbols, what a password manager does, which kind of two-step verification to choose and how to bring order to a team's passwords. Security Wed, 24 Jun 2026 00:00:00 GMT https://einscube.com/en/blog/how-to-check-if-your-password-was-leaked/ https://einscube.com/en/blog/how-to-check-if-your-password-was-leaked/ What a password breach is, why a password stolen from one service puts all the others at risk, and how to check one without handing it to anyone. Security Tue, 16 Jun 2026 00:00:00 GMT https://einscube.com/en/blog/301-vs-302-redirects/ https://einscube.com/en/blog/301-vs-302-redirects/ What each redirect code means (301, 302, 307 and 308), when to use which, why chains and loops cost visits and rankings, and why sending everything to the home page is not a fix. SEO Wed, 03 Jun 2026 00:00:00 GMT https://einscube.com/en/blog/dns-propagation-explained/ https://einscube.com/en/blog/dns-propagation-explained/ Why a DNS change does not show up the same way everywhere, the role the TTL plays, how to prepare a change so the wait is minutes, and why your colleague sees the new site while you still see the old one. Security Tue, 19 May 2026 00:00:00 GMT https://einscube.com/en/blog/what-is-an-xml-sitemap/ https://einscube.com/en/blog/what-is-an-xml-sitemap/ What an XML sitemap is for, when you need a sitemap index, what limits the protocol sets, why the modification date matters more than priority, and which URLs should not be in it. SEO Wed, 06 May 2026 00:00:00 GMT https://einscube.com/en/blog/what-is-open-graph/ https://einscube.com/en/blog/what-is-open-graph/ What Open Graph and Twitter tags are, what image a shared card needs, why social networks keep showing the old version and the mistakes that leave a link blank. Marketing Tue, 21 Apr 2026 00:00:00 GMT https://einscube.com/en/blog/what-is-a-vulnerability-and-why-maintenance-matters/ https://einscube.com/en/blog/what-is-a-vulnerability-and-why-maintenance-matters/ What a software vulnerability is, why small websites are exposed too, what happens between the day a flaw is published and the day someone exploits it, and what keeping a site up to date actually involves. Security Tue, 14 Apr 2026 00:00:00 GMT https://einscube.com/en/blog/what-happens-when-a-domain-expires/ https://einscube.com/en/blog/what-happens-when-a-domain-expires/ What happens from the day a domain lapses until someone else can buy it, what stops working first, and how to make sure it never happens to you without warning. Security Wed, 08 Apr 2026 00:00:00 GMT https://einscube.com/en/blog/structured-data-and-rich-results/ https://einscube.com/en/blog/structured-data-and-rich-results/ What structured data is, why JSON-LD is the recommended format, which rich results it can unlock, how required and recommended properties differ, and what it does not guarantee. SEO Tue, 24 Mar 2026 00:00:00 GMT https://einscube.com/en/blog/lintgrafia-spell-check-a-website/ https://einscube.com/en/blog/lintgrafia-spell-check-a-website/ Introducing LintGrafía, a Chrome extension that checks spelling and grammar on the rendered page, on localhost and staging too. What it does, how it works and what happens to the text it reviews. Design Fri, 20 Mar 2026 00:00:00 GMT https://einscube.com/en/blog/http-security-headers-explained/ https://einscube.com/en/blog/http-security-headers-explained/ What HSTS, CSP, X-Frame-Options and the other security headers are, which attack each one stops, and in what order to switch them on without breaking anything. Security Tue, 10 Mar 2026 00:00:00 GMT https://einscube.com/en/blog/what-are-utm-parameters/ https://einscube.com/en/blog/what-are-utm-parameters/ What each of the five UTM parameters does, how to name them so your reports do not split, which mistakes keep coming up and why they never belong on internal links. Marketing Tue, 24 Feb 2026 00:00:00 GMT https://einscube.com/en/blog/robots-txt-and-ai-crawlers/ https://einscube.com/en/blog/robots-txt-and-ai-crawlers/ How a robots.txt file is written, why blocking a URL does not remove it from Google, which rule wins when two disagree, and what your options are with GPTBot, ClaudeBot and the rest. SEO Tue, 10 Feb 2026 00:00:00 GMT https://einscube.com/en/blog/how-to-write-title-tags-and-meta-descriptions/ https://einscube.com/en/blog/how-to-write-title-tags-and-meta-descriptions/ What title tags and meta descriptions are, how Google uses them in results, why it truncates them by pixels rather than characters, when it rewrites them and how to write them so people choose you. SEO Tue, 27 Jan 2026 00:00:00 GMT https://einscube.com/en/blog/whatsapp-click-to-chat-links-for-business/ https://einscube.com/en/blog/whatsapp-click-to-chat-links-for-business/ What a wa.me link is, how to write the number so it works, which message to leave ready, where to place it and how to tell which channel each conversation comes from. Marketing Wed, 14 Jan 2026 00:00:00 GMT https://einscube.com/en/blog/spf-dkim-dmarc-explained/ https://einscube.com/en/blog/spf-dkim-dmarc-explained/ The three DNS records that decide whether a mail server trusts your messages, how they fit together, and the configuration mistakes that send perfectly legitimate email to spam. Security Tue, 16 Dec 2025 00:00:00 GMT https://einscube.com/en/blog/what-are-core-web-vitals/ https://einscube.com/en/blog/what-are-core-web-vitals/ What LCP, INP and CLS measure, which figures count as good, why real user data does not match your Lighthouse score, and where to start when a metric turns red. SEO Wed, 03 Dec 2025 00:00:00 GMT https://einscube.com/en/blog/why-web-accessibility-matters/ https://einscube.com/en/blog/why-web-accessibility-matters/ Who gets shut out when a site is not accessible, what exactly gets checked to make it so, and why almost everything it takes is the same work that already improves usability and rankings. Design Tue, 11 Nov 2025 00:00:00 GMT https://einscube.com/en/blog/responsive-design-why-it-matters/ https://einscube.com/en/blog/responsive-design-why-it-matters/ Adapting is not "does it fit on a phone". It is a continuous range of widths, densities and proportions, and four concrete measurements decide whether your site works on your visitor's device. Design Tue, 16 Sep 2025 00:00:00 GMT https://einscube.com/en/blog/image-formats-and-sizes-for-your-website/ https://einscube.com/en/blog/image-formats-and-sizes-for-your-website/ When to use JPG, PNG, WebP, AVIF or SVG explained without jargon, the dimensions each kind of image needs -product, cover, hero, logo- and what to check before uploading a file to your site. Design Tue, 10 Jun 2025 00:00:00 GMT https://einscube.com/en/blog/what-is-an-svg-and-why-use-it/ https://einscube.com/en/blog/what-is-an-svg-and-why-use-it/ Why your logo should be an SVG, what makes it different from a PNG, why the one your designer exports weighs ten times what it needs to, and what can be stripped out without breaking it. Design Tue, 22 Apr 2025 00:00:00 GMT https://einscube.com/en/blog/how-qr-codes-work/ https://einscube.com/en/blog/how-qr-codes-work/ What is inside those little squares, why they still scan with a logo on top or half scratched away, and the four rules that separate a QR code that works from one nobody can read. Marketing Tue, 18 Feb 2025 00:00:00 GMT https://einscube.com/en/blog/backlinks-authority-and-internal-linking/ https://einscube.com/en/blog/backlinks-authority-and-internal-linking/ Chapter 7 and last of the SEO from zero guide. What a backlink actually is, why a link works as a vote of confidence, how to earn them without risking a penalty, and why internal linking is the part you fully control. SEO Mon, 23 Dec 2019 00:00:00 GMT https://einscube.com/en/blog/search-intent-the-key-to-keyword-research/ https://einscube.com/en/blog/search-intent-the-key-to-keyword-research/ Chapter 6 of the SEO from zero guide. What search intent is, how to verify it by reading the results page, and how to pick terms by weighing traffic against difficulty, with a full worked example. SEO Tue, 10 Dec 2019 00:00:00 GMT https://einscube.com/en/blog/website-usability-from-your-users-perspective/ https://einscube.com/en/blog/website-usability-from-your-users-perspective/ Chapter 5 of the SEO from zero guide. How usability differs from user experience, the four principles of a usable interface, and what to check in your server, your HTML and your visual design. Design Tue, 26 Nov 2019 00:00:00 GMT https://einscube.com/en/blog/how-a-search-engine-works/ https://einscube.com/en/blog/how-a-search-engine-works/ Chapter 3 of the SEO from zero guide. Crawling, indexing and ranking explained without jargon, why the engine does not go looking when you type, and which part of the process you can actually influence. SEO Mon, 11 Nov 2019 00:00:00 GMT https://einscube.com/en/blog/how-search-engines-evolved-experience/ https://einscube.com/en/blog/how-search-engines-evolved-experience/ Chapter 4 of the SEO from zero guide. Why a search engine stopped selling links and started selling curated experiences, how that shift made trick-based SEO obsolete, and what it means that SEO is now technical and anthropological at once. SEO Mon, 28 Oct 2019 00:00:00 GMT https://einscube.com/en/blog/how-search-engines-changed-access-to-information/ https://einscube.com/en/blog/how-search-engines-changed-access-to-information/ Chapter 2 of the SEO from zero guide. How we answered our questions before search engines, the three types of search that still shape every strategy, and what became of the SEO statistics we quoted in 2019. SEO Mon, 14 Oct 2019 00:00:00 GMT https://einscube.com/en/blog/digital-customer-behaviour-10-keys/ https://einscube.com/en/blog/digital-customer-behaviour-10-keys/ Chapter 1 of the SEO from zero guide. How we went from using the internet to living inside it, told in five moments, and the ten practical consequences for any brand that wants to be found. SEO Mon, 30 Sep 2019 00:00:00 GMT https://einscube.com/en/blog/seo-from-zero-complete-guide-to-search-rankings/ https://einscube.com/en/blog/seo-from-zero-complete-guide-to-search-rankings/ The index to our seven-chapter guide to organic search, written for people who are not developers - what each chapter covers, what has changed in search since we published it, and the order worth reading it in. SEO Mon, 16 Sep 2019 00:00:00 GMT https://einscube.com/en/blog/how-to-contact-a-business-using-google-maps/ https://einscube.com/en/blog/how-to-contact-a-business-using-google-maps/ Google switched off Business Profile chat in July 2024. Here are the contact routes the map still gives you, how a customer actually uses them while deciding, and what to get right if the business is yours. SEO Fri, 04 Jan 2019 00:00:00 GMT