Keyword Research

You spend hours writing content, but your traffic barely moves. Every keyword tool you check shows massive competition from giant websites with years of authority. This feels discouraging, especially when you are just starting out. But there is a quieter path most beginners overlook completely. Low search volume keywords may look small on paper, yet they often carry stronger buyer intent than big, competitive terms. Big brands rarely bother with low search volume keywords, since their teams chase massive traffic numbers instead. That gap creates real opportunity for smaller websites like yours. This article breaks down why low search volume keywords matter, how big brands ignore them, and nine real examples you can start using today. What Are Low Search Volume Keywords (And Why Brands Skip Them) Low search volume keywords are search terms that get a small number of monthly searches, often under 250. They sound unimportant at first. But a smaller number does not mean smaller value. These terms usually carry a very specific search intent, which means the person typing them already knows exactly what they want. Big brands skip these terms because their teams chase big numbers. A marketing manager at a large company gets judged on total traffic, so niche keywords feel like a waste of time to them. This creates a gap. Smaller sites, like yours, can walk right into that gap and grab targeted traffic that nobody else wants to fight for. You can check the real numbers behind any keyword idea using this free keyword search volume tool before you commit to writing. The Real Definition (Not Just a Small Number) A keyword is not “low volume” just because a tool shows a small figure. Zero search volume keywords often get real visits too, since Google rounds down numbers it cannot measure well. A common beginner mistake is ignoring a keyword the moment its number looks low. The fix is simple: check the search intent behind it first, then decide. Why Low Search Volume Keywords Still Drive Real Traffic Ranking for one big keyword with 10,000 searches a month sounds exciting. But that keyword usually has brutal keyword competition. You need years of backlinks and domain trust to even appear on page one. A group of ten small keywords, each with 100 searches, can bring the same traffic without that fight. This is where keyword clustering helps. Instead of writing ten separate articles, you build one strong page that answers several related customer query patterns at once. Google notices this depth and often rewards it with better keyword ranking across many related terms, not just one. Volume vs. Intent — What Actually Matters Picture two keywords. One gets 5,000 searches but means five different things to five different people. The other gets 90 searches but means one clear thing. The second keyword converts better almost every time, because the visitor already knows what they are looking for. How to Find Low Search Volume Keywords Worth Targeting You do not need an expensive tool to start. Google’s own search bar shows autocomplete suggestions the moment you type a phrase. Scroll to the bottom of any search results page and you will also find related searches. Both are free and often reveal high-intent keywords that paid tools miss. For more structured research, a keyword research tool like Google Keyword Planner gives you real numbers, even if the tool was built mainly for ads. Free platforms also show keyword difficulty scores, which tell you how hard it will be to rank. Aim for a score under 30 if your website is still new. Checking Difficulty and Intent Before You Commit Here is a shortcut most articles never mention. Open Google Search Console and look at queries sitting in position 11 to 30. These are terms Google already thinks your page deserves to rank for. Improving content around them is often faster than starting completely fresh with an unknown keyword. Free Tool Best For Data It Shows Google Autocomplete Quick idea generation Popular phrase endings Google Search Console Existing sites Real impressions and position Google Keyword Planner Volume checking Monthly search volume range Related Searches (bottom of Google) Topic expansion Similar user queries 9 Low Search Volume Keywords Big Brands Are Ignoring Here are nine real examples of low search volume keywords across different industries. Each one shows why smaller, specific phrases often beat broad, competitive ones. # Keyword Example Why It Works 1 best budget laptop for architecture students Very specific buyer, low competition 2 how to remove sticker residue from glass safely Clear problem, strong click intent 3 affordable wedding photographer for small backyard wedding Local and niche, easy to rank 4 vegan protein powder without stevia Ingredient-specific, ideal for affiliate marketing keywords 5 how to childproof a glass coffee table Parenting niche, low keyword competition 6 quiet mechanical keyboard for shared office Product comparison intent, decent cost-per-click (CPC) 7 best plants for a north-facing balcony Seasonal, grows during spring months 8 how to fix a squeaky office chair without oil Practical fix, great for featured snippets 9 small business invoice template for freelancers Business-focused, strong conversion rate Each of these terms answers one clear question. That clarity is exactly what large brands overlook, since their content usually targets broad categories instead of specific problems. Low Search Volume vs. High Search Volume Keywords: When to Use Which Neither type of keyword is better on its own. A large site with strong authority can chase big, competitive terms and win. A newer site usually cannot. This is where matching your strategy to your website’s current strength matters more than chasing big numbers blindly. Think about it like fishing. A small boat cannot compete in open ocean against giant fishing vessels. But that same small boat can fish in a quiet bay that bigger boats ignore completely. Long-tail keywords work the same way for smaller websites trying to grow. When Low-Volume Keywords Win They win when your site is new, when your niche is narrow,

You watch a competitor outrank you every single month and assume they’re paying hundreds of dollars for some premium SEO suite you can’t afford. That assumption is costing you traffic right now. This guide breaks down 10 genuinely free keyword research tools, shows you exactly how to combine them, and gives you a full workflow you can run this week without spending a dollar. Small businesses don’t need an expensive subscription to compete; they need the right stack of free keyword research tools used the right way. Most beginners never realize how much traffic sits untapped simply because they never explored proper free keyword research tools in the first place, and that’s exactly what this guide fixes from start to finish. What Is Keyword Research (And Why Small Businesses Need It) Think of keyword research like eavesdropping on your exact customer’s conversation before they even find you. They’re typing a question into Google right now, using their own words, not your marketing language. Keyword research is simply the process of discovering those words, then building content around them so your business shows up exactly when they’re looking. For small businesses, this matters more than it does for a giant brand with unlimited ad budget. You can’t outspend a competitor, but you can out-target them by finding the long-tail keywords they’re ignoring. A good starting point is running your first few ideas through our Keyword Suggestion Tool, which expands a single seed term into dozens of related phrases worth exploring. Quick Comparison Table — 10 Free Keyword Research Tools at a Glance Before diving into each tool individually, here’s a fast overview so you know what to expect from each one’s free tier. Tool Best For Free Plan Limit Standout Feature Google Keyword Planner Search volume data Unlimited Direct data from Google Keyword Suggestion Tool Expanding seed ideas Unlimited No signup, instant expansion Ahrefs Free Keyword Generator Quick keyword ideas Limited daily searches 150 keyword ideas per search Ubersuggest Beginners 3 searches/day Content idea suggestions Google Search Console Tracking existing rankings Unlimited First-party ranking data AnswerThePublic Content ideation 3 searches/day Visual question mapping Google Trends Seasonal keywords Unlimited Trend comparison over time Moz Keyword Explorer Priority scoring 10 queries/month Combined volume + difficulty metric Keyword Surfer On-SERP research Unlimited Data shown inside Google results Mangools KWFinder Low-competition keywords 5 lookups/day Accurate difficulty scoring The 10 Best Free Keyword Research Tools Reviewed 1. Google Keyword Planner — Best for Reliable Search Volume Data Google Keyword Planner remains the most trusted starting point since it pulls search volume data straight from Google itself. It’s built for PPC campaigns and Ad Groups, but the volume ranges and bid ranges it shows are genuinely useful for organic content planning too. It’s completely free with a Google Ads account, and you don’t need to run any actual ads to access it. 2. Keyword Suggestion Tool — Best for Expanding a Single Seed Idea Our own Keyword Suggestion Tool takes one seed term and expands it into a full list of related phrases and long-tail keywords in seconds. Best for: anyone who wants a quick, no-signup starting point before jumping into the heavier tools further down this list. Watch for: pair it with a volume checker afterward, since it focuses on breadth rather than exact numbers. 3. Ahrefs Keyword Generator — Best for Quick Keyword Ideas Ahrefs Keyword Generator gives you up to 150 keyword ideas per search along with rough keyword difficulty (KD) scores, all without creating an account. It’s a fast way to expand a single seed term into a broader list before you commit real writing time to any of them. 4. Ubersuggest — Best Free Tool for Beginners Ubersuggest, built by Neil Patel, adds content ideation on top of basic keyword data, showing you which existing articles already rank for a term so you know what format Google currently rewards. 5. Google Search Console — Best for Tracking Your Existing Rankings Google Search Console works differently from the rest, since it shows you keywords your site already ranks for instead of ones you’re targeting fresh. Checking it weekly reveals organic traffic opportunities sitting on page two, just waiting for a small content refresh to push them onto page one. 6. AnswerThePublic — Best for Question-Based Content Ideas AnswerThePublic mines Google Autocomplete and People Also Ask (PAA) data to surface real questions your audience is typing, which doubles as ready-made FAQ schema material. 7. Google Trends — Best for Seasonal and Trending Keywords Google Trends won’t give you exact search volume numbers, but it shows whether a term is rising, falling, or seasonal, which matters before you invest a full content calendar into it. 8. Moz Keyword Explorer — Best for Priority Scoring Moz Keyword Explorer stands out for its priority score, a single number combining volume, competition, and expected click-through rate into one easy comparison metric. 9. Keyword Surfer — Best Free Chrome Extension for On-SERP Research Keyword Surfer, a free Chrome extension, overlays volume and related keyword data directly inside your Google search results, so you never have to leave the page you’re already on. 10. Mangools KWFinder — Best for Finding Low-Competition Keywords Mangools KWFinder earns its spot as the go-to for finding genuinely long-tail keywords with low competition, since its keyword difficulty (KD) scoring is unusually accurate for a free tier. Once you’ve shortlisted candidates from any of these tools, run them through our Keyword Search Volume Tool to double-check real demand before you commit to writing a single word. Picture a local bakery owner testing “gluten-free birthday cake delivery” instead of just “birthday cakes.” She validates the term across two free tools, confirms decent volume with low competition, writes one focused page, and ranks on page one within eight weeks, something the generic term would have taken a year to achieve. Google Keyword Planner Advanced Techniques Most People Miss Most people open Planner, glance at the first volume range shown, and leave without digging further. A better approach

You publish the post, optimize every header, and hit publish, then wait. No traffic shows up, no sales roll in, and the silence is confusing since the content was genuinely good. This article shows you how to find low-competition keywords that bring in buyers instead of browsers, using the process smart SEOs quietly run every week. Long-tail search queries make up most of what people actually type into Google, meaning the real opportunity in search isn’t where everyone else is fighting. Once you learn how to spot low-competition keywords the right way, you stop wasting months chasing terms you can never win, and start building pages that rank fast and turn readers into paying customers. What Are Low-Competition Keywords (And Why They Convert Better) Think of low-competition keywords like picking a small local race instead of jumping straight into the Olympics. You can actually finish first. A low-competition keyword is a search term where the current top-ranking pages have weak domain authority, a thin backlink profile, or content quality that just doesn’t fully answer the question. That gap is your opening. These keywords often carry a lower keyword difficulty score, but the real signal comes from checking who’s ranking, not just the number a tool spits out. If you see forums, outdated posts from years ago, or short articles sitting in the top ten, that’s a low-hanging fruit opportunity waiting for better content. Our Keyword Suggestion Tool is a solid starting point for generating a first batch of candidates worth checking. Metric Broad Keywords Low-Competition Keywords Typical search volume 10,000+ monthly 10-500 monthly Keyword difficulty score High (60+) Low to moderate (0-30) Conversion rate Around 2% Up to 36% Time to rank 6-12+ months Weeks to a few months Shift Your Mindset — Search Intent Over Search Volume Most beginners sort their keyword list by volume, grab the biggest numbers, and start writing. That’s a trap. High volume almost always means high competition, and you’ll end up fighting brands with decades of authority behind them. Search intent matters more than the number on the screen. There are four types worth knowing: informational intent (“what is SEO”), commercial intent (“best SEO tool for small business”), transactional intent (“buy SEO software”), and navigational intent (someone searching a brand name directly). A common mistake beginners make is treating all traffic the same. The fix is simple: a 50-search keyword with clear buying intent often beats a 5,000-search term where nobody’s ready to purchase yet. This isn’t a small edge case either. Backlinko’s analysis of over 306 million keywords found that roughly 91.8% of all search queries are long-tail, meaning most of the real opportunity in search sits away from the handful of broad terms everyone else is fighting over. Step-by-Step: Finding Your Seed and Long-Tail Keywords Every keyword hunt starts with one broad seed keyword, the core topic you’re building content around. From there, type that seed into Google and watch autocomplete finish your sentence. Try the alphabet trick too: add each letter of the alphabet after your seed term, one at a time, and watch new suggestions appear for every letter. Next, scroll to the “People Also Ask” box on the results page. Each question there is a real, live search someone typed in recently. Click one open, and Google usually reveals more related questions underneath it, creating a chain you can follow for pages. Once you’ve got a list of candidates, run them through our Keyword Search Volume Tool to confirm which ones actually get searched before you commit to writing. Seed Keyword Autocomplete Result PAA Question Long-Tail Keyword Coffee grinder Coffee grinder for espresso Is a manual grinder better than electric? Manual coffee grinder for espresso beginners CRM software CRM software for small teams What CRM works best for solo consultants? CRM software for solo consultants Running shoes Running shoes for flat feet Do flat feet need extra arch support? Best running shoes for flat feet under $100 Using AI Tools to Brainstorm Long-Tail Keyword Ideas ChatGPT and similar tools are surprisingly good at simulating how a real person searches, since they’re trained on huge amounts of natural conversation. Ask it something specific: “Act like an expert in home coffee brewing. Suggest 20 low-competition, long-tail keywords related to burr grinders, focused on how-to questions and buying comparisons a beginner would type.” You’ll get a usable starting list in seconds. The mistake here is trusting that list blindly. AI has no live access to actual search volume or keyword difficulty score data, so treat its output as a brainstorm, not a final answer. Cross-check every suggestion in a real research tool before building content around it, since a study referenced by Search Engine Journal found AI-generated keyword lists often include phrases nobody actually searches for. Mining Reddit, Quora, and Community Platforms for Real Queries Reddit and Quora speak a different language than keyword tools do. Real people type their problems the way they’d text a friend, not the way an SEO would phrase a headline. A thread titled “best budgeting app that syncs with my bank” is basically a free, validated content idea sitting in plain sight. Search a subreddit related to your niche and sort by “Top” to see what actually gets attention. Complaints, questions starting with “how do you,” and posts asking “what’s the best way to” are gold, since they reveal real money keywords hiding in casual conversation. Reviews on sites like G2 or Trustpilot work the same way, capturing natural phrases customers use without trying to optimize anything. Analyzing Competitors to Find Keyword Gaps Your SEO competitors aren’t always your business rivals. Sometimes a media site or industry blog outranks you for terms you’d expect to own, and that’s exactly where the opportunity lives. Pull up an organic keywords report for two or three competitors in tools like Ahrefs or Semrush, then look specifically for competitor gaps, meaning terms they rank for that you currently don’t touch at all. A helpful pro tip here: don’t chase

You’ve picked a keyword. It has huge search volume. Weeks later, your page is nowhere on Google. Sound familiar? That’s the trap most beginners fall into when comparing long-tail vs short-tail keywords — chasing big numbers instead of the right numbers. Understanding long-tail vs short-tail keywords isn’t just theory; it directly shapes your search intent matching, your conversion rate, and how fast you can realistically rank against bigger, older sites. Some keywords bring visitors who never buy. Others bring fewer visitors who buy immediately. This guide breaks down the real long-tail vs short-tail keywords debate, shows real examples, and gives you a step-by-step way to use both together for faster, more reliable rankings. What Are Short-Tail and Long-Tail Keywords? (Definitions + Why They’re Called That) Head terms, also called short-tail keywords, are broad phrases made of just one or two words. Think “shoes” or “SEO tools.” They pull in massive search volume, but they’re vague. Google has no idea what you actually want when you type something that short. Long-tail keywords go the other direction. They’re three or more words, specific, and closer to how people actually talk. “Best running shoes for flat feet” tells Google exactly what you need. The name comes from a search demand curve — a graph shaped like a dinosaur’s tail, thick and short at the head, then stretching out long and thin. That long stretch is where thousands of specific, lower-volume searches live. Think of it like walking into a coffee shop. Asking “food?” gets you a confused stare. Asking “do you have a gluten-free breakfast option under five dollars?” gets you exactly what you need, fast. That’s the real difference between a head term and a long-tail phrase. Not sure which long-tail phrases fit your topic? Our Keyword Suggestion Tool generates dozens of long-tail variations from a single seed keyword in seconds, so you can start spotting patterns like this in your own niche right away. Short-Tail vs Long-Tail Keywords: Key Differences at a Glance The clearest way to understand long-tail vs short-tail keywords is to line them up side by side. Head terms bring traffic. Long-tail terms bring buyers. That single distinction shapes every decision around keyword difficulty, conversion rate, and where to focus your writing time. Here’s a common beginner mistake: assuming a keyword with 50,000 monthly searches is automatically better than one with 200. It’s not. A search query with low volume but crystal-clear search intent can outperform a vague head term, because the searcher already knows what they want. Factor Short-Tail Keywords Long-Tail Keywords Word count 1-2 words 3+ words Search volume High Low to moderate Competition Very high Low to moderate Conversion rate Lower Higher Search intent Broad, unclear Specific, clear That table also hints at something worth noting: Cost Per Click (CPC). Head terms usually carry a higher CPC in paid search because everyone wants that traffic. Long-tail terms are cheaper to bid on and often easier to rank for organically too. Curious how much real demand a specific long-tail phrase actually has? Run it through our Keyword Search Volume Tool before you commit to writing — it takes the guesswork out of choosing between two similar-sounding phrases. Real Examples of Short-Tail and Long-Tail Keywords Seeing real examples makes this click faster than any definition. In fitness, “protein powder” is a head term. “Best tasting vegan protein powder for smoothies” is its long-tail cousin. In SaaS, “project management” is broad, while “free project management software for freelance writers” is specific enough to attract someone ready to sign up. Here’s a practical case: a small local bakery can’t outrank national chains for “bakery.” But “gluten-free birthday cakes in Round Rock Texas” has almost no competition, and it’s exactly what a nearby customer types when ready to order. That’s the power of niche-focused content. Industry Short-Tail Keyword Long-Tail Keyword Fitness Protein powder Best tasting vegan protein powder for smoothies SaaS Project management Free project management software for freelance writers Food & Beverage Bakery Gluten-free birthday cakes in Round Rock Texas B2B Software CRM CRM software for solo real estate agents under $30 Fashion Running shoes Best running shoes for flat feet and wide toes Which Are Better: Long-Tail or Short-Tail Keywords? Neither wins outright. It depends on your goal. If you’re chasing brand visibility and already have strong topical authority, a head term is worth the fight. If you’re newer and trying to earn qualified traffic, long-tail keywords almost always deliver faster wins. Here’s the “when to use this vs when not to” breakdown. Use short-tail keywords when you have domain strength, established backlinks, and patience for a longer ranking timeline. Skip them if you’re brand new. Long-tail keywords work well almost immediately, especially for blog content and pages targeting a specific target audience. There’s also a Parent Topic angle here — a long-tail keyword often belongs under a broader parent topic with strong demand, and ranking for it can pull in traffic for that parent topic too. Types of Long-Tail Keywords (Supporting vs Topical) Not all long-tail keywords play the same role. Supporting long-tail keywords are small variations of your main topic — different wordings that reinforce a page you already have. They don’t need their own page. Topical long-tail keywords are different. These represent a genuinely separate subtopic that deserves its own article. A common beginner mistake is treating every variation as a reason to build a new page, which fragments your site and dilutes topical authority. For example, “best budget laptop” and “cheap laptop under $500” are the same question asked two ways — supporting keywords for one page. But “best laptop for video editing” is a different topic entirely, with its own content focus. When Should You Use Short-Tail Keywords? Short-tail keywords earn their spot on homepages, pillar pages, and big brand campaigns. If you run an established site with real domain authority, targeting a head term for your core service page still makes sense. Here’s a pro tip most guides skip: don’t try

Most marketers treat keyword search volume like a trophy — bigger always means better. That assumption is wrong and it’s quietly killing content strategies across the board. Search volume is one of the most powerful yet most misunderstood metrics in SEO today. It tells you how many people search for a specific term monthly but it doesn’t guarantee clicks, rankings, or conversions. Understanding search volume data correctly separates smart SEOs from those endlessly chasing numbers that never convert. In this guide you’ll learn exactly what keyword search volume means, how search volume estimates are calculated, why low-volume keywords often outperform flashy high-volume targets, and how to use this search volume metric strategically for real, lasting results.  1. What Is Keyword Search Volume? Keyword search volume is the estimated number of times people search for a specific term within a given period — usually averaged monthly. It’s not an exact headcount. Think of it as a popularity meter rather than a guarantee of clicks or rankings. Most tools calculate an average monthly search volume by taking the previous twelve months of data and dividing by twelve. That means the figure you see today reflects a year-long trend, not necessarily what’s happening right now. Seasonal spikes and recent shifts often get smoothed out in this averaging process. Term Meaning Search Volume Estimated searches for a term in a given period Monthly Average 12-month total divided by 12 Estimate vs Exact Always an approximation, never a precise count 2. Why Does Keyword Search Volume Matter for SEO? Search engines drive the majority of traffic for most websites. So if you’re targeting terms nobody searches for, your content stays invisible no matter how well-written it is. Keyword search volume tells you whether real demand exists before you invest hours writing. However, chasing only ultra-high-volume terms backfires too. Those keywords attract fierce competition from established sites with years of authority behind them. A smart keyword research tool helps you find the sweet spot — terms with enough demand to matter, but not so competitive that ranking becomes impossible for a newer site. Factor High Volume Low Volume Competition Intense Manageable Discoverability Already validated demand Niche but real demand Ranking Difficulty Hard for new sites Easier entry point 3. How Is Keyword Search Volume Determined? Two main data sources power most search volume estimates today. The first is Google Ads Keyword Planner, which reports numbers directly from Google itself. However, this tool aggregates and rounds figures, often combining similar keyword variants into a single misleading number. You’ll also need an active Google Ads account to access full data. The second source is clickstream data, collected from real user browsing samples through voluntary browser extensions. This method captures trending and newer keywords faster than Keyword Planner typically does. It’s still an estimate, but the granularity often beats Google’s aggregated reporting — especially for emerging search terms that haven’t built enough ad history yet. Source Pros Limitations Google Keyword Planner Direct from Google, widely used Aggregated, rounded, requires ad account Clickstream Data More granular, captures trends faster Accuracy depends on sample size Why Google Sometimes Hides or Zeroes Out Search Volume Google occasionally suppresses volume data for sensitive or low-confidence categories entirely. Worse, keyword aggregation can combine genuinely distinct terms — like “HDMI” and “High-Definition Multimedia Interface” — into one shared number, even though search behavior for each differs dramatically. This is exactly why cross-checking volume across at least two tools before committing matters so much for accuracy. 4. How to Check Keyword Search Volume (Free Tools + Method) Checking volume doesn’t require expensive software or technical expertise. Webseokit’s free Keyword Search Volume Checker gives you accurate monthly numbers in under sixty seconds — no account creation needed whatsoever. Simply enter your keyword into the search box, select your target location, and click “Check Volume.” Within seconds you’ll see monthly figures, CPC data, and trend direction all in one place. For additional context, tools like Google Trends and Google Keyword Planner can supplement your research, but our keyword search volume tool remains the fastest starting point for most SEO professionals. Pro Tip: Always check trend direction alongside the raw number. A keyword showing 5,000 monthly searches but declining steadily is a weaker target than one showing 1,000 searches trending upward consistently. 5. How Reliable Is Search Volume Data? Here’s an honest truth most tools won’t tell you upfront — no SEO platform has access to Google’s actual internal search logs. Every number you see, whether from Keyword Planner or a third-party keyword research tool, represents an estimate built on extrapolation and sampling. That said, estimated data still holds real value. Comparative accuracy matters more than absolute precision here. If you’re comparing two keywords using the same tool and methodology, the relative distance between them should remain trustworthy enough for prioritization decisions. Just remember that seasonality affects nearly every keyword, so a single snapshot number rarely tells the complete story without trend context layered alongside it. 6. Should You Ignore Low-Volume Keywords? Short answer: absolutely not. Low-volume keywords get dismissed far too often based on a flawed assumption that low numbers automatically mean low traffic potential. That assumption simply doesn’t hold up in real-world content performance. A smarter approach uses topic clustering, where a pillar page targets the higher-volume head term while several spoke content pieces target related, more specific subtopics. Individually, these spoke pages might not drive massive traffic. Collectively, though, they often outperform a single high-volume page — and they tend to convert better too, since long-tail keywords signal sharper, more specific user intent. Concept What It Means Pillar Page High-volume “head term” hub content Spoke Content Lower-volume, specific subtopic pages linking to pillar Combined Effect Aggregate traffic often exceeds single high-volume page 7. Balancing Search Volume with Keyword Competition Volume alone tells an incomplete story. Generally speaking, higher volume correlates directly with higher keyword competitiveness and keyword difficulty. That’s simply because more businesses recognize the value and compete for the same visibility. New or low-authority