Six situations: choosing a system, building it yourself, WordPress editors, checking a finished site, and measuring it. Start with the one that is yours.

Website tools are usually chosen in the wrong order: the product first, then the question of what it is for. This section is arranged the other way round and is not a guide to read end to end. It is a switchboard: six situations in which companies end up in a conversation about tools, and one text for each.
Tools are chosen badly not because somebody picked the weaker product, but because they were answering a different question from the one they had. Someone compares builders when the real question is "who is supposed to change this". Someone buys a plugin when the problem is that nobody has checked whether the contact form arrives.
So start with the stage your site is at — everything else follows from that single answer.
Where to start — three entry points depending on the stage of your site
Own analysis
This question comes before all the others and is skipped most often, because it sounds less concrete than "which product should we pick". It settles more: the answer rules out most of the options before anyone opens a feature comparison.
Content management systems fall into three families differing in one thing — where the content lives and who holds the key to it. The classic kind sits on your server and is yours, database and all. The closed kind sits with a vendor, on a subscription, with no access to the code. The decoupled kind keeps content separate from appearance and needs somebody on the team who can code.
The choice turns on two axes: how often the content changes, and what a mistake costs in whatever gets published. Most companies sit in the low-risk quadrants and buy for the one where such a system pays for itself — for an editorial team they do not have.
It is also worth checking whether you need a CMS at all. Close to a third of the sites on the internet do without one, often deliberately. One criterion, unrelated to company size: in the last year, did anyone here want to change something on the site and not do it because it was too much trouble?
→ Content management system — who in the company gets to change what
A builder is bought in order not to pay a supplier, and that is often correct — more often than an industry that lives off building sites is willing to admit. The sums, though, are usually done on one figure, and that figure is a promotional first-year price rather than the price of the product.
Price lists here run on four repeating mechanisms, worth learning instead of the amounts, because the amounts change every quarter and the mechanisms do not: a discount only on the higher plans (which can make the cheapest plan dearer than a better one), a price quoted for the first year, a charge per person alongside the charge for the site, and the features a company needs hidden higher up the ladder than the description suggests.
The second thing no ranking covers: what you can take with you. The answers differ far more sharply between vendors than the features do — from no export at all, where the documentation says the site has to run on the vendor's servers, to an export file with a longer list of exceptions than of contents. This is the one line of the bill you cannot buy later: it is settled when you choose the vendor, and you learn its price three years on.
→ Website builder — what it costs after year one and what you can take with you
WordPress itself is free — the only line in this bill everybody agrees on. The cost forms one floor up, in the layer you assemble pages with, and one floor down, in the plugins.
The first question is whether you need an editor layer at all. The built-in editor now does what a builder is usually bought for — header, footer, templates and global styles — with one catch that decides it: it works only on a block theme.
If a builder is needed anyway, the difference between vendors is not features but billing: some renew annually with an increase, others sell a one-time licence. Over three years the licence line alone can differ by a couple of thousand złoty on an identical site — one widely used editor costs PLN 774 to buy and PLN 981 to renew (€180 and €228 at the NBP rate of PLN 4.3014).
And the line that appears in no quote: paid plugins. That single item can be bigger than hosting, the domain and the editor licence combined.
→ WordPress page builder — what a visual editor costs and when it stops paying
Two texts for two questions that come in this order and are often confused. First: what to set straight after installation so you do not pay for it later — the PHP version, which the WordPress dashboard does not show; the address structure, which the documentation says never to change; and the one field from a test install that can take the whole site out of search. Second: how to choose a theme, when the directory holds 8,694 of them and the look in the preview is the least durable part of the decision.
If you are starting from zero, read them in that order: installation and settings first, then the theme, and content only after both — because some settings, once content is in, can only be changed with redirects.
→ WordPress installation and first settings
→ WordPress themes — how to choose one you will not be replacing in a year
Testing usually ends the same way: somebody pastes the address into a free tool, gets a number, and is either pleased or on the phone complaining. That number mostly means nothing — a single measurement, on a simulated device, measuring something other than what the search engine judges you on.
Two things change that. A single measurement has a spread of about ten points, so one screenshot is evidence neither for nor against. And a tool's score is diagnostic, while the reckoning happens on data from real users — which a small site may not have collected at all.
There is also one test no tool will run, and it fails most quietly: whether an enquiry from the form actually arrives. Along with two questions almost nobody remembers — whether the customer gets a confirmation, and whether the anti-spam protection is rejecting real people. That last failure is invisible by definition: everything works for you, because you test from your own office, and a blocked enquiry leaves no trace.
→ Website testing — how to check a site so the result means something
If you already have a score and want to know what each part of the screen means — the real-user data, the 0–100 score and the phone test settings — read the guide to the report:
→ PageSpeed Insights — how to read the report: user data, the Lighthouse score and test settings
A consent banner gets treated as a legal formality. In practice it decides how many of your visitors appear in the reports at all — and therefore whether any decision made on those reports means anything.
The commonest and most expensive misunderstanding is "Google will model the rest". Modelling exists, but its thresholds are counted in thousands of events and users a day, and a typical small-business site is two orders of magnitude away. Which means one thing: data lost to a refused consent is lost permanently.
So what matters is not losing it without reason — and it is mostly lost to one configuration error: treating consent as a single switch, so that refusing advertising also switches off ordinary visit counting.
→ Website analytics — what your numbers do when people refuse cookies
There is also a source that refused consent does not touch: Google Search Console counts impressions and clicks on the search engine's side, with no code on your site. It only covers traffic from Google, though, and uses its own definitions that are worth knowing before you set its numbers against your analytics:
→ Google Search Console — what it is and how to use it in business
If you were to go through this section in sequence, the order follows from each step being guesswork without the one before it:
If what you are looking for is how to read the numbers you already have, that is not a question about tools — we settle it separately.
Three questions arrive here regularly and all three have better owners — worth redirecting straight away rather than looking in the wrong place.
"Which platform should we choose", meaning a comparison of specific products — that is the product level, and it has its own text in the technology section. Here we settle the level above: which family of systems you need.
"How do we build a website" step by step — a process rather than a choice of tool, and it lives in the process section.
"What does all of this cost" across a whole project — tools are one line in that bill, not the bill. The full breakdown, including what quotes stay silent about, is in the cost section.
Fifteen minutes and an answer about what your site actually needs — including "nothing, what you have is enough", if that is how it comes out.
Six situations: choosing a system, building it yourself, WordPress editors, checking a finished site, and measuring it. Start with the one that is yours.
What each part of the PageSpeed Insights report means: 28 days of user data, the Lighthouse score, phone vs desktop, and why the score keeps changing.
Google Search Console without guesswork: verification, agency access, CTR and average position by Google's own definitions, and page indexing statuses.
WordPress themes are not chosen on looks: three fields in the directory tell you what a theme will cost you in a year, and what disappears when you switch.
Four pricing mechanisms hidden in builder plans, what the second year actually costs, and what you can export when you outgrow the tool.
Gutenberg, Elementor or Divi: renewal prices, the plugin bill nobody quotes, and three thresholds where a visual editor costs more than it saves.
Why a single measurement proves nothing, how a lab score differs from field data, and what to check before a site goes live and before you sign it off.
What a CMS actually solves, the three families worth knowing, and how to choose before anyone says a product name. With a change-frequency matrix.
What happens to the data when someone clicks reject, why a small site never gets GA4 modelling, and why one consent instead of three costs you data.
Learn more about Wordpress Setup. A practical guide with concrete tips and examples. Learn best practices and avoid common mistakes.
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Back to the guide: Websites — a guide to the whole section

Google Search Console without guesswork: verification, agency access, CTR and average position by Google's own definitions, and page indexing statuses.

Meta Ads for online stores: Shops availability, the product catalogue, Advantage+ shopping, dynamic retargeting, and Pixel plus Conversions API.

Google Shopping ads explained: free listings vs paid ads, the CSS requirement, Performance Max and how to set a Target ROAS for a product campaign.

ARR, MRR, churn, NRR, LTV:CAC and Rule of 40: formulas from ChartMogul and Stripe, benchmarks with their sample size, and the traps that make SaaS metrics lie.

WordPress themes are not chosen on looks: three fields in the directory tell you what a theme will cost you in a year, and what disappears when you switch.

A 502 Bad Gateway, 500, 503 or 504 error tells you which part failed: the application, the link between servers or an overload. And who to call.

Open rates stopped measuring people in 2021, as Apple and the benchmark publisher admit. What Gmail has required since 2024 and what a lead magnet yields.

Indexing and ranking run on two different clocks. The four gates a site passes through, with the times measured on our own corpus rather than quoted.

A free site is a real option with a precise limit. Three routes, what each one gives you, what it withholds, and what it costs once a year has passed.