Search engine optimization, explained
71 guides, 530 sections, about 321 minutes of reading
Newest guides
Newest first. Page 2 of 3.
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Google Search Console Mastery: The Complete Guide to Search Performance Intelligence
Google Search Console is Google's free service for site owners that reports how Google sees a site: which queries show its pages, how often they are clicked, how many pages...
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What Is a Meta Description? Writing Snippets That Earn the Click
A meta description is an HTML element in a page's <head>, written as <meta name="description" content="...">, that summarizes the page. Visitors do not see it on the page; its work...
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What Is Alt Text and How Should You Write It
Alt text, short for alternative text, is the HTML attribute that describes an image in words, written as <img src="shoe.jpg" alt="Men's blue trail running shoe, side view">. Screen readers read...
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What Is Page Authority? Measuring an Individual Page's Link Strength
Page Authority (PA) is a score from the SEO software company Moz that estimates how well a single URL is likely to rank, based mainly on the links pointing to...
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What Is Keyword Difficulty? How to Read and Use the Score
Keyword difficulty is a score, on a 0 to 100 scale in the major tools, that estimates how hard it would be to rank on the first page of Google...
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What Is Crawling? How Search Engines Discover and Fetch Web Content
Crawling is the stage in which a search engine finds URLs and downloads what is on them. Automated programs called crawlers (Google's is Googlebot) discover pages through links, sitemaps, and...
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What Is Search Intent? Understanding Why People Search
Search intent is the goal behind a query: what the person wants to do or find, as opposed to the literal words they typed. Two different queries can share one...
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Local SEO for Service Businesses: How Market Dynamics Shift From City to City
Local SEO rests on the same principles everywhere, but the market a service business competes in changes from city to city. Google's local results weigh the same factors in Nashville...
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UX and SEO: How User Experience Impacts Search Rankings
User experience affects search rankings in two documented ways and one indirect one. Google's ranking systems use Core Web Vitals, its measures of loading, responsiveness, and visual stability. A federal...
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What Is Indexing? How Search Engines Store and Organize Content
Indexing is the stage in which a search engine analyzes a page it has crawled and decides whether to store it in its index, the database it searches when someone...
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What Is a Nofollow Link?
A nofollow link is a link marked with rel="nofollow", which tells search engines that the site does not want to vouch for the page it links to or pass ranking...
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What Is a SERP? Understanding Search Engine Results Pages
SERP stands for search engine results page: everything a search engine shows after a query. A modern SERP can hold far more than ten links; it is assembled for each...
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What Is Internal Linking? How Site Architecture Shapes Crawling and Rankings
Internal linking is the practice of connecting pages on the same website with links. Those links shape crawling because Google discovers pages by following links from pages it already knows,...
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Core Web Vitals: Google's User Experience Metrics Explained
Core Web Vitals are three metrics Google uses to measure the experience of loading and using a page: Largest Contentful Paint (LCP) for loading, Interaction to Next Paint (INP) for...
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Crawl Budget Optimization: Ensuring Google Discovers Your Important Content
Crawl budget is how much of a site Google's crawlers can and want to crawl. Optimizing it means making sure that, on a site large or fast-changing enough for crawling...
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JavaScript SEO: Making JavaScript-Heavy Sites Search-Engine Friendly
JavaScript SEO is the work of making sure content and links that depend on JavaScript can still be crawled, rendered, and indexed. A JavaScript-heavy site can look complete to every...
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What Is a Keyword in SEO?
A keyword in SEO is a word or phrase people type or speak into a search engine, used as the unit for researching demand, planning pages, and measuring rankings. A...
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Negative SEO: How to Detect, Respond To, and Prevent Attacks on Your Site
Negative SEO is a deliberate attempt by someone else to damage a site's search performance: pointing spammy links at it, copying its content, flooding its listings with fake reviews, filing...
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URL Structure: Best Practices for SEO-Friendly URLs
An SEO-friendly URL is one Google can crawl without wasting effort and a person can read before clicking: readable words instead of long ID numbers, hyphens between words, consistent lowercase,...
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What Is Dwell Time? The Engagement Signal Nobody Can Fully Measure
Dwell time is the time between a searcher clicking a result and returning to the same results page. It is narrower than time on page: it exists only for visits...
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What Is a Search Engine? How Search Actually Works
A search engine is a system that discovers pages across the web, stores what it learns about them in an index, and, when someone types a query, returns the results...
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Page Speed Optimization: The Complete Guide to Faster Websites
Page speed optimization is the work of making pages load, become usable, and stay stable faster for real visitors. It covers the server, the files that block rendering, images, code,...
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What Is a 404 Error? Page Not Found Management Explained
A 404 error is the HTTP status code a server returns when it has nothing at the requested URL: "Not Found." It is a normal part of how the web...
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YMYL SEO: Ranking in Google's Highest Scrutiny Categories
YMYL stands for "Your Money or Your Life," Google's label for topics where bad information can cause real harm. Google's guidance on creating helpful, reliable, people-first content explains the extra...
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Content Strategy for SEO: Building Systematic Authority Through Strategic Publishing
A content strategy for SEO decides what to publish, in what order, and for what purpose before anything is written. Publishing on a schedule and hoping pages rank is production;...
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