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Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSpeed, Cache & CDN

HTTP/2 and HTTP/3: how to see which one your site uses, and whether it matters

HTTP/2 and HTTP/3 are two newer versions of the “conversation” between the browser and the server. Our web server (LiteSpeed) speaks HTTP/2 and advertises HTTP/3; we measured that on a…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseVPS & Servers

How to host several websites on one VPS

A VPS has one IP address and can serve as many sites as its memory and processor can carry. The web server picks which one to show from the name…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSupport & Account

Reading the Errors and Raw Access pages in cPanel when a page fails

When a page fails, the server wrote down what happened in two places that cPanel shows you in the Metrics section: the Errors page, with the latest messages from the…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseWhatsApp & APIs

Installing Evolution API with Docker Compose on a VPS

You install Evolution API on a VPS with Docker Compose: one file describes the services (the API, the database and, in many guides, Redis), a second file holds the settings,…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseAI & Agents

AI bots crawling your site: robots.txt and how to block them

AI providers use robots (crawlers) that walk through websites collecting text, either to train models or to answer questions in real time. If you do not want that, you can…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseNode.js, Python & Docker

Publishing a React or Vue site: the build folder, and the refresh that gives a 404

A site built with React or Vue (with Vite or with the older tools) does not run on the server: you build it on your computer into a folder of…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseWhatsApp & APIs

Evolution API and n8n: a working flow

The most requested flow is this: a WhatsApp message arrives, n8n decides what to do and replies. In practice there are three pieces: a webhook that receives the message from…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSEO & Marketing

What happens to your Google ranking when your site goes down?

A short, rare outage usually leaves no mark: Google tries again later. What weighs is the long or repeated one: if the crawler finds the site down several times, it…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSecurity

The free SSL certificate did not renew: why AutoSSL fails and what to check

The short answer: the free certificate that comes with the account (AutoSSL, from Let’s Encrypt) is issued and renewed by itself, but only if the server can prove the domain…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseWhatsApp & APIs

Sending your first message with Evolution API

To send the first message you need three things: a linked instance, the API key and an HTTP request with the recipient and the text. You make the request with…