SEO, security and web design, made clear

Whether people find your website, trust it and decide to stay depends on several things at once. Search engines have to understand your pages. Visitors expect a clear layout, quick loading and content that answers their questions. Then there are the topics most site owners only notice once something goes wrong: a hacked website, fake emails sent in the name of your domain, or legal duties around accessibility.

This site explains eleven of these topics in plain language. Each topic page opens with a short summary, followed by the main building blocks, common mistakes, ways to check your own site and a set of frequently asked questions. The blog goes deeper into single questions, such as what Google Ads really costs or how to set up SPF, DKIM and DMARC.

The aim is simple: to help you understand how the pieces fit together, so you can make better decisions, whether you look after your website yourself or work with an agency.

Eleven topics at a glance

The first six topics are about visibility. AI search, security and the law make up the other five.

SEO

Search engine optimisation helps Google and other search engines understand your pages and show them for relevant searches. Technical foundations, content and visitor expectations all have to fit together. SEO is ongoing work, and first results often take months to show.

Read the SEO guide

Local SEO

Search for a nearby hairdresser and a map of local listings usually appears first. Local SEO is how a business gets onto that map. It relies on a complete Google Business Profile, matching contact details across the web and genuine reviews. Google ranks local results by relevance, distance and prominence; a better position cannot be bought.

Read the local SEO guide

Content Marketing

Useful content answers the questions your customers are already asking. Guides, how-tos and comparisons can bring visitors from search engines, social networks and AI assistants. Everything starts with a plan: which topics matter, who they are for and which format suits them. Whether a piece of content works shows up later in Google Search Console: it lists the searches it appears for and how often it is clicked.

Read the content marketing guide

PPC Management

With pay-per-click advertising, you pay when someone clicks your ad, for example on Google Ads. To keep the budget from draining away, you need relevant search terms, clear ad copy and a landing page that fits. Tracking then shows which clicks turn into enquiries.

Read the PPC management guide

Web Design

Your website is often the first contact a new customer has with your business. It should load quickly, work well on a phone and lead visitors to what they need without detours. A good page makes it obvious where you are and what you can do next. Then there is the technical side that SEO builds on.

Read the web design guide

Social Media

Each social network reaches a different audience. What works is a steady rhythm, a recognisable style and real conversation. Choose only as many channels as you can keep up regularly. Paid posts can extend your reach with a clear focus.

Read the social media guide

AEO & GEO

AEO and GEO describe the work of getting AI services to use and link to a website in their answers. According to Google, its own search needs no special measures, because the AI features are built on the regular ranking systems. For other AI services, open crawler access, clear content and genuine mentions are considered sensible. Their effect is barely proven, though, and nobody can promise you a place in AI answers.

Read the AEO & GEO guide

Website Security

Website security protects your site, your visitors and their data from attacks. Most attacks on small websites are automated and look for known weak spots such as outdated plugins, exposed files or weak passwords. You can spot many of these issues yourself with nothing more than a browser. An external scan lowers the risk, but it cannot promise you a secure website.

Read the website security guide

Headers & Encryption

HTTPS encrypts the connection between browser and server. Security headers are lines the server sends with every response, and the browser follows the rules they set. Among other things, they protect visitors from cross-site scripting and clickjacking. Some headers take minutes to add, while HSTS and a Content Security Policy are best introduced step by step.

Read the security headers guide

Email Security

With the DNS records SPF, DKIM and DMARC, receiving mail servers can check whether an email really comes from your domain. SPF lists the servers allowed to send, and DKIM signs every message. DMARC decides what happens to messages that fail these checks. Since February 2024, large mailbox providers such as Gmail have required this authentication from senders.

Read the email security guide

Accessibility & Law

An accessible website can be used by people with disabilities too, for example with a screen reader, strong magnification or only a keyboard. In Germany, the Accessibility Strengthening Act (BFSG) has required this since 28 June 2025 from many businesses that conclude contracts with consumers online. Micro-enterprises providing services are exempt. Whether your website is covered is something to have checked by a professional; our pages are general information, not legal advice.

Read the accessibility and law guide

How the topics fit together

Web design provides the foundation. SEO and local SEO bring people in from search, and content gives them a reason to stay. PPC and social media can widen your reach while your organic visibility grows.

The other five topics are connected as well. Working cleanly on SEO also lays the foundation for AEO and GEO. A hacked site loses visitors' trust, and browsers start showing warnings. That makes HTTPS and security headers part of your site's technical basics, just like fast loading times. Accessibility serves people with disabilities first. A clear heading structure, descriptive link text and good alt text also make your content easier for crawlers to process.

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How to use this site

There is no need to read the topics in order. Start wherever your current question is.

  1. Get the overview: On the relevant topic page, read the short summary at the top. It covers the essentials in a few sentences.
  2. Go deeper: Each topic page links to detailed articles on the blog. You will find step-by-step guides, checklists and questions to ask service providers.
  3. Check your own site: Many articles show free ways to see where your website stands, such as Google Search Console, your browser's developer tools or a DNS lookup.
  4. Look up the sources: Every article ends with the sources it relies on, for example Google, MDN Web Docs, OWASP or Germany's Federal Office for Information Security (BSI).

If you are just starting out, these articles are a good first step:

FAQ

Who is this site for?

Small business owners, freelancers and anyone who looks after a website. The articles assume no prior knowledge and explain terms like HSTS, DMARC or search intent in plain words.

Do I need to work on all eleven topics?

No. Which topics matter depends on your website. A shop with local customers gains a lot from local SEO. An online shop selling to consumers in Germany should have the BFSG checked. Basics like HTTPS, regular updates and fast loading are worth it for every site.

Has AI made SEO pointless?

According to Google, the AI features in its search are based on the regular ranking systems. Solid SEO is therefore still what gets a page into AI answers in the first place. The article Is SEO still worth it? looks at this in detail.

Can I check my website's security myself?

Partly, yes. Your browser already shows a lot, such as missing security headers or files that still load over unencrypted HTTP. An automated external scan has limits and does not replace a full review. Only ever scan websites that belong to you.

Is this legal advice?

No. The pages on accessibility and law explain the German BFSG and the technical standards in general terms. Please check with a qualified professional whether the law applies to your business.