📖 SEO Glossary

Share of visits with no further interaction.

How many pages a bot crawls in a given time.

The share of people who click your result.

An estimate of a domain's "strength".

Experience, Expertise, Authoritativeness, Trust.

A highlighted answer at the very top of results.

Adding a page to the search engine's database.

How hard it is to rank for a given keyword.

Longer, specific phrases with less competition.

Google evaluates the mobile version first.

A set of signals about page usability quality.

Quickly bouncing back to results and clicking another.

An enriched result with stars, price, etc.

The goal a user has when typing a query.

The Google search results page.

A permanent move of an address to a new URL.

A temporary redirect of an address.

No page exists at the given address.

Server errors (500, 502, 503...).

A slimmed-down format for fast mobile pages.

Pointing to the "main" version of a page.

Unexpected shifts in page layout.

A set of page-loading quality metrics.

A robots.txt rule blocking access to URLs.

Pointing to language versions of a page.

Page responsiveness to user actions.

The recommended format for structured data.

Loading images only as the user scrolls.

Time to render the largest content element.

Studying server logs for bot behaviour.

Instruction not to follow links on the page.

Instruction: do not show this page in results.

A tag controlling indexing of a single page.

A file controlling bot access to the site.

A shared vocabulary of structured-data types.

A file grouping multiple sitemaps.

A sitemap listing URLs for the search engine.

An empty page wrongly returning a 200 code.

An encrypted, secure connection to the site.

Extra content description bots understand.

Time to first byte from the server.

Image description for bots and screen readers.

A navigation trail showing a page's location.

The same content under multiple URLs.

Several pages compete for the same phrase.

The page summary under the title in results.

The page title shown in results and the tab.

Tags controlling a link's look on social media.

Poor content of little value to the user.

Tags for the link preview on X/Twitter.

The clickable text of a link.

A link from another site pointing to you.

A link that passes SEO power to the target.

Links between pages of the same site.

A link with the rel="nofollow" attribute.

A page with no internal links at all.

Points a domain to the server's IPv4 address.

The system that turns domains into IP addresses.

Protects DNS against spoofed responses.

Types of domain endings (.com vs .pl).

Points to the server handling the domain's mail.

How long a DNS record may be cached.

A digital signature confirming a mail is genuine.

A policy for handling fraudulent mail.

A list of servers allowed to send your mail.