Search engine optimization, explained
71 guides, 530 sections, about 321 minutes of reading
Newest guides
Newest first. Page 1 of 3.
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What Is Duplicate Content? Understanding Content Uniqueness Issues
Duplicate content is substantially the same content available at more than one URL, on one site or across several. Duplication on its own is not a penalty matter: when Google...
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What Is Anchor Text? The Clickable Words That Carry a Link's Meaning
Anchor text is the visible, clickable text of a link: the words a reader sees and clicks, as opposed to the URL in the link's href attribute. It carries the...
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What Is Bounce Rate? How GA4 Redefined an Old Metric
Bounce rate is the share of sessions that count as bounces, but what counts as a bounce changed with Google Analytics 4. In Universal Analytics, a bounce was a single-page...
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Index Coverage: Understanding Why Google Indexes (or Doesn't Index) Your Pages
Index coverage is the question of which of your pages Google has in its index and why the others are missing. Search Console answers it in the report that used...
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What Is Rendering? How Search Engines Process JavaScript Explained
Rendering is the step in which a search engine processes a page's HTML, CSS, and JavaScript to build the page a browser would show. It sits between crawling, which fetches...
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What Is Content Optimization? A Practical Guide to Search-Ready Content
Content optimization is the work of shaping the body of a page, before and after it is published, so that it answers what searchers are looking for and makes clear...
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What Is SEO? How Search Optimization Works
Search engine optimization (SEO) is the practice of earning visibility in unpaid search results by making pages that answer what people search for, and by making sure search engines can...
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What Is On-Page SEO? A Practical Guide to Optimizing Individual Pages
On-page SEO is the work you do on a single page, in its content and its markup, so that search engines understand it and searchers find it relevant: the title,...
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What Is a Title Tag and How Should You Write One
A title tag is the HTML element that names a web page: <title>Your Page Title</title>, placed inside the document's <head>. Browsers show it on the tab, and Google uses it...
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What Is a Sitemap? How Search Engines Discover Your Content
A sitemap is a file that lists the URLs on a site and can add details such as when each page last changed and which images, videos, or news articles...
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SEO Audit: The Complete Site Assessment Framework
An SEO audit is a structured review of everything that limits a site's organic performance: whether search engines can crawl and index it, whether its pages render and load well,...
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What Is Schema Markup? A Practical Guide to Structured Data
Schema markup is structured data written with the schema.org vocabulary: code added to a page that labels what its content is, such as a product and its price, an event...
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What Is NAP Consistency? Why Matching Business Info Matters for Local SEO
NAP stands for name, address, and phone number. NAP consistency means a business's name, address, and phone number appear the same way wherever they are published: its Google Business Profile,...
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What Is E-E-A-T? Experience, Expertise, Authoritativeness, and Trust Explained
E-E-A-T stands for Experience, Expertise, Authoritativeness, and Trustworthiness. It is the framework Google's search quality raters use to judge whether results are helpful and reliable, and it describes the qualities...
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What Is a Google Business Profile? A Guide to Local Business Visibility
A Google Business Profile, formerly Google My Business, is the free listing that shows a business on Google Search and Google Maps, including the local results that appear for nearby...
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What Is Keyword Density? Why It's an Outdated Metric and What to Focus on Instead
Keyword density is a ratio of how often one keyword appears to the length of the page: the number of times the term appears, divided by the total word count,...
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What Is a Local Citation? How Business Listings Support Local SEO
A local citation is any online mention of a business's name, address, and phone number, with or without a link. Citations live on directories, map and navigation services, industry listing...
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What Is Mobile-First Indexing?
Mobile-first indexing means Google uses the mobile version of a page's content for indexing and ranking. The page that Googlebot Smartphone sees, with its text, images, links, structured data, and...
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What Is Organic Traffic? Earning Visitors Through Search
Organic traffic is the visits a website receives from unpaid search results. When someone searches on Google and clicks a page because it ranked, that visit is organic; a click...
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What Is an H1 Tag and Why Heading Hierarchy Matters for SEO
An H1 tag is the HTML element for a page's top-level heading, written as <h1>Your Heading</h1>, and it states what the page is about. It heads a six-level system, H1...
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What Is Off-Page SEO? Building Authority Beyond Your Website
Off-page SEO is the work that affects how your site is found and judged in search but happens on other websites: links from other sites, mentions of your brand, citations...
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What Is Link Equity? How Link Value Flows Through a Site
Link equity is the SEO term for the value a link passes from one page to the page it points to. The idea comes from PageRank, the link analysis method...
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Google Analytics for SEO: Measuring Organic Performance That Matters
Google Analytics 4 measures what organic visitors do after they arrive: which landing pages they enter on, whether they engage, and whether they complete the actions the business cares about....
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What Is a Featured Snippet? Understanding Position Zero in the AI Search Era
A featured snippet is an excerpt from a web page that Google shows in a highlighted box for some queries, set apart from the regular list of results, which is...
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SEO Competitor Analysis: Reverse-Engineering Ranking Success
SEO competitor analysis studies the sites that rank where you want to rank and reads what they did to get there: which keywords they hold, how they earned their links,...
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