Test ahrefs vs semrush 2018. In this post, I’m going to put Semrush and Ahrefs to the test. Test ahrefs vs semrush 2018

 
In this post, I’m going to put Semrush and Ahrefs to the testTest ahrefs vs semrush 2018  Although Moz and Semrush are both SEO toolkits Semrush offers even

Google has a plethora of free tools to help with your SEO. Sidenote. . Unsure of what to choose? Check Capterra to compare Semrush and Serpstat based on pricing, features, product details, and verified reviews. Ahrefs and Semrush mostly analyze data from search engines, but SimilarWeb shows data from other sources, too (direct, email and paid traffic). We find that Semrush has the largest selection of tools & features to. Ahrefs excels in backlink analysis and. Most of the features of Ahrefs are developed keeping end-user benefits in mind. You can try Ahrefs for a week for $7. typically, you will have to enter your website URL in their audit tool and you will see all the issues with your website like missing alt text in the image, slow loading of the page, duplicate meta description, 404 errors, etc. . If you have any questions on finding the best WordPress SEO plugins or tools, feel free to drop a comment in the section below!SEMrush rank tracking. Ahrefs: Comparing Benefits. But the reality. As such, it’s not a beginner-friendly tool. We sifted through a multitude of powerful SEO tools and handpicked the ones we thought measured up the most. Keywords Explorer is Ahrefs’ keyword research tool capable of generating a variety of keyword ideas culled from over 3 billion keywords. Comparison of Site Audit Features; 5. Semrush, the eternal question among SEO professionals and Internet Marketers. If you want, @wannabegoodatseo, I can send you the same report from both so you can compare. Now that you have the best tools for keyword research, website analysis, and backlink analysis, it’s time to talk about technical SEO site audit features. There are many factors influencing the SERP, especially if you are not #1, with the location. Stick with SEMrush. SEMrush vs. Ahrefs - Very thorough link database, and some of their newer tools are strong. Now to be fair, given how Google dominates the search engine market. SEMrush and Ahrefs have similar features and can be used in complementary ways. ago Both are the best tools, Semrush and Ahref, but they will not help you improve your ranking on Google. Headquartered in Singapore, Ahrefs was founded in 2011 by Dmitry Gerasimenko. Semrush’s site audit tool is easier to use than Ahrefs and can automatically provide you with a simple list to follow. If you’ll be using the 2nd tier plan, Ahrefs is the more generous option though, with a 500,000 limit to SEMrush’s 300,000. Semrush comparison. That is mainly because of its accuracy, larger keyword database, customizable reports, and additional features such as custom notifications and PDF editor. The company now has over 900 employees in 10 different countries, with its headquarters in Boston, MA. In fact, the GKP provides around 68% fewer average keyword suggestions compared to the paid tools in our analysis. 6% discount too; and Moz is the most generous of the three here, giving you a 20% discount for paying annually. The lower the number is, the lower the difficulty. When comparing quality of ongoing product support,. SEMRush shows that this site gets an average of 28,500 visitors from Google each month. That’s why traffic potential is a more accurate metric to rely on. . Read my in-depth Ahrefs review to learn more about its key features. Kaynaklar. The price is $60 per 500. The auditing tool is more user-friendly than the tool on AHREFS. When it comes to choosing the best SEO tool between Ahrefs, SEMrush, and Ubersuggest, it ultimately depends on your specific needs and budget. Click on the “Try It Free” to proceed. Home. Ahrefs: SEMrush: 1. SEMrush is (IMHO) more UX friendly. SEMrush is also good but I don't like SEMrush personally due to many reasons such as data accuracy, and limited functionality. Rank Tracking; 2. For example, Ahrefs provides most key metrics at once, whereas with Semrush, users need to navigate the. Ubersuggest in 2023 by cost, reviews, features, integrations, deployment, target market, support options, trial offers, training options, years in business, region, and more using the chart below. But there are slight differences. If you pay for Semrush a year in advance, you can receive a 16% discount. A vote that tells the user that the content on a particular site is credible and useful. Ahrefs and SEMrush are. If you need to complete an in-depth site audit to identify & fix technical SEO issues, then Screaming Frog is an. But it does offer a free plan with limited features. SEMrush is great for businesses who want an all-in-one SEO solution. Both tools have similar features such as site audit, rank tracking, and content analysis. ” Navigational – These types of search queries are branded like “Gotch SEO. Read More Remove. It does not show you an in-depth analysis of backlinks. 95 per month and include the same set of features. Moz vs Semrush: conclusion. 95 per month. The lack of proper organization here means it could take you some time to learn the ropes. Sidenote. Semrush offers a free 14-day trial and Ahrefs has a 7-day trial for $7. Ahrefs doesn’t have any tools to help with PPC or social media. These days? Google is smarter. A ranked order of Ahrefs, Semrush and Moz by keyword ranking size of 51 domains in May 2022. Similar to Ahrefs, SEMrush’s Business plan allows users to track up to 5,000 keywords while their Pro plan only tracks 500. As mentioned, it all depends on which metrics are most crucial to your organization. In fact, I’ve been a paying SEMrush customer for over 11 years now: Over that time I’ve seen it evolve from a keyword research tool for PPC to a full-on SEO software suite. SEMrush lets you check your organic traffic data and ranking backward in time by a month. 5 stars with 69 reviews. All “easy” keywords based on respective “easy KD scores. Ahrefs has the worst search volume estimates. . Technical SEO is the most important part of SEO until it isn’t. VIP. Ahrefs has a relatively small database size compared to SEMRush. Ahrefs does not offer this feature. Overall, the better SEO tool is Semrush. If you expect to rank (and, indeed, you do – leads generated from SEO have a 14. Ahrefs and Semrush offer a free trial period for users to test their services before committing to a paid plan. 4. Here is a quick summary of everything you can do with Ahrefs: Find the keywords that are most profitable for paid as well as organic search. Each instrument has its own advantages and offers useful. Semrush Overview. Last updated Nov. ahrefs,' while Semrush provides more direct contact channels, Ahrefs counters with a proactive community and extensive learning resources. In this comprehensive comparison article, we will pit these industry-leading platforms against. When it comes to keyword research, all three tools offer powerful features to help you find relevant. Sometimes also referred to as SERP visibility, it’s the SEO version of one of the most important marketing KPIs: share of voice (SOV). Here’s the list of the most worthy Semrush competitors: SE Ranking. Not to mention, Ahrefs’ interface is better. . SEMrush is an SEO competitive research tool that can help you do competitive analysis and manage all aspects of your digital marketing strategy. Moz offers what it calls the Keyword Explorer. Normally speaking, you can try Semrush free for seven days — however, for a limited time the company is providing an extended 30-day trial of the tool, which you can access via this link. 3. Google Analytics, it's important to understand the use cases and data sources for each tool. As you might have already guessed, my favourite Semrush alternative is…. 95 package, and even that version of the software tools can be used for multiple projects. For more information about these products, you might like to check out our Semrush review, our Ahrefs review, our Ahrefs vs Semrush shootout, our Ahrefs vs Moz guide and our guide to Semrush pricing. However, Ahrefs stands out with plenty of unique features. Side note: If you have an active Ahrefs account, you can unlock advanced SEO metrics such as domain rating, page rating, number of backlinks, and more. Comparativa entre Ahrefs vs Semrush y sus diferentes funciones y precios. Overview report in Keywords Explorer. Moz is an advanced SEO toolset and its pricing starts at $99/mo which is backed by the largest community of SEOs whereas Semrush is an all-in-one SEO toolkit and its pricing starts at $129. It's easier to do broken link analysis with Ahrefs. WooRank: Most user-friendly. Also, Ahrefs has been having some trouble with their keyword search volume data since they lost jumpshot last January. Search visibility. SSL problems. The score of 100 means it’ll be VERY difficult to rank for that keyword. Chose Similarweb PRO. Semrush: Best for power users. Ahrefs is the powerhouse of the keyword research world, but it comes at a price. SEMRush vs Ahref, which one is the best keyword research and SEO tools and which is more powerful than others. Since money is the crux of the matter, the difference between the two is minimal when it comes to prices. The Keyword Gap tool within Semrush allows you to add up to five domains and compare different types of keywords (organic, paid, or PLA keywords) between them. Keeping the focus on you for just a few more minutes, the SEO Ideas tool is a potent weapon in your arsenal. Additionally, there are discounts when you commit for a year. 95, $ 0. However, in the battle between Semrush vs Ahrefs, Semrush has a slight edge because it offers a free plan, unlike Ahrefs. The tool shows a score of 1 to 100. New media New comments Search media. (Ahrefs Keyword metrics allows the user to track the position, volume, number of clicks, Return rate, etc. La primera palabra clave será “seo” en España y la segunda será “seo para principiantes”, la cual tiene mucha menos competitividad que la primera. MOZ - Good balanced toolset covering content, offsite, and technical SEO considerations. Ahrefs, SEMrush, and Ubersuggest stand out as powerful allies for marketers and SEO enthusiasts among the top competitors in the sector. To get started, go to Gap Analysis -> Keyword Gap and enter the five. Pricing is comparable to the other two, of course. Pricing Model: Flat Rate. So, SEMRUSH without a doubt! Both its paid and non-paid features gives you plenty of features to get your work done in no time. If you want a solution for competitive research only, then SpyFu is a great option. I like its audit features a little better too, but they are both pretty similar there. You need to consider three important factors mentioned below when it comes. The interface of Ahrefs is more user-friendly than the one from SEMRush. TL;DR: If all you need here is a straight GOOD SERP rank tracker, go with Accuranker here. . There’s a lot of overlapping functionality between Ahrefs, SEMrush, and Moz. Features Comparison. We compare Ahrefs Lite and Semrush Pro to help you decide. Ahrefs boasts a massive and constantly updated backlink database, as well as a top-notch keyword research tool and rank-tracking feature. Ahrefs is a tool that can be used for keyword research, link building, and competitor analysis. An estimate of the total number of visitors to the website per month. Ahrefs is more affordable than Semrush. Its primary menu is at the very top of the page, with a search bar that exists only to type in domains. Semrush vs. When it comes to usability, Ahrefs and SEMrush both have their advantages and disadvantages. Semrush, it’s ultimately up to you to decide which one is the best fit for your specific needs and budget. Guru: $249. com gets the most traffic from United States, while semrush. 💡📘 Interested in Ahrefs? Browse Ahrefs revi. Let’s break it down. Semrush I like to use to check out where the search traffic actually comes from, how much it roughly is and what the keywords are. Ahrefs has a stronger backlink analysis and content research features, while SEMrush offers a wider range of tools including keyword research, site audit, and PPC analysis. These tools estimate the total amount of traffic from all sources. Ahrefs. Both Ahrefs and SEMrush have browser extensions that help you quickly evaluate a website's domain authority, estimated backlinks, and other basic data. Current visitors. Also loaded with a ton of other tools for paid, SEO, content and social - most of which are not used by the majority of their users. The data you need. 95/month. Whether you’re using it to improve the SEO of your. Ahrefs provide more in-depth backlink data for any website, whereas Semrush only shows the number of backlinks a website has. Which SEO tool is better: Ahrefs or Semrush? Read our in-depth comparison to decide which. It gives you a helpful estimate of how many backlinks you'll need to rank for a particular keyword — SEMrush has yet to introduce a similar feature. SEO Power Suite. SEMrush is more affordable at higher pricing tiers (Agency and Enterprise) compared to Ahefs. 1. But Ahrefs’ data quality makes up for that, in my opinion. Also their writing assistant tool is quite neat. You can even make the 7 day trial permanent if you get a virtual credit card every week. It’s a bit pricier than Ahrefs, but it offers a wealth of features. The Ahrefs dashboard is overall less cluttered than SEMrush. In fact, Semrush has the largest keyword database in the industry (over 20 billion keywords) and you can easily obtain thousands of keyword variations for your target keywords. Though they have significant overlap, they also have someLet's break it down on Ahrefs vs. Therefore, Semrush is preferable than Ahrefs if you want to test an SEO tool before utilizing it. Jun 30, 2018 Messages 9,044 Reaction score. Both are mostly the biggest players in SEO tool industry, but when you ask me, which one is the tool you should consider, its Ahrefs. Organic Keywords. In this post, I’m going to put Semrush and Ahrefs to the test. Risorse. That’s according to the ~4,300 people who responded to our polls on LinkedIn and Twitter. Technical SEO is the most important part of SEO until it isn’t. Although Semrush can look for PLA and PPC keywords, these features are not relevant to all. Semrush is a fully. ago. The price is $60 per 500 new keywords added to Rank. The data collected by SemrushBot is used for Backlink Analytics, Site Audit, Backlink Audit, among other things. Out of these 4: ahrefs: best for backlink analysis and link building. Keyword research: Both Semrush and Ahrefs provide keyword research features to help users identify high-traffic keywords and optimize their content accordingly. When you put Ahrefs head to head with SEMRush, one thing is clear: SEMRush has more keyword accuracy. SEMrush is also good but I don't like SEMrush personally due to many reasons such as data accuracy, and limited functionality. Joined Jun 4, 2012 Messages 568 Reaction score 107. It is a paid tool and is considered one of the best SEO tools on the market. 1. 1. SemrushBot is the search bot software that Semrush sends out to discover and collect new and updated web data. Search visibility measures how visible your brand is in the market. SEMrush. Both Ahrefs and SEMrush are powerful SEO tools that offer comprehensive keyword research capabilities. How good is Semrush at finding backlinks compared to Ahrefs? I wanna know my anchor text ratio for my sites, so it's important to find most of them so I can. It’s my go-to tool for all SEO-related tasks. Semrush’s site audit tool is easier to use than Ahrefs and can automatically provide you with a simple list to follow. Ahrefs is clearly the winner here by a huge margin – a much larger margin than my initial test with just 3 domains highlighted. A list of key competing domains. It is easier to use than Moz, provides considerably more features, gives you more generous reporting limits and offers CRM-style project management tools that allow you to manage link building campaigns without ever leaving the platform. Google Trends vs Semrush. Keyword research . 95 per month. Here, you can examine the similarities and differences between Ahrefs (overall score at 9. The intrusive nature of popups and widgets aside, Ubersuggest’s UI is smooth, minimalistic, and user-friendly. 7 Technical SEO. Circling back to the Moz vs. Users who are billed annually save 16%. These two tools go head-to-head in discussions of efficacy and utility. Ahref dan SEMrush adalah adalah tools yang banyak digunakan oleh para pakar SEO. In the case of SEMrush, you can’t do anything until you at least sign up for a 7-day free trial. Or you can upgrade to their Medium, Large, and Premium plans for *$179/month, *$249/month, and *$599/month respectively. In our experience, though, SEMrush has better performance. SEO Ideas. The company now has over 900 employees in 10 different countries, with its headquarters in Boston, MA. Get Ahrefs SEO Toolbar for Chrome. Plus, it’s got a unique feature – a customizable plan. When comparing the two, remember that Screaming Frog is a specialty solution for website audits, and SEMrush is a general SEO solution with several use cases. One of the best thing I like in ahrefs is has content-gap option through which you can find those websites from which your competent getting links. These are: • Keyword Overview. Semrush and Ahrefs are 2 very popular SEO tools that I've used for many years. Keywords Explorer. Reply. Semrush vs. Moz Pro is easy to use and offers a user-friendly interface. Araçlar. However, Ahrefs constantly updates the backlinks helping the platform to provide a comprehensive backlink analysis. BrightLocal: Best for local search engine optimization (SEO) AnswerThePublic: Best affordable SEO tool. Even if you are a newbie to SEO and digital marketing space, you feel intuitive using the platform. Backlink Checker Comparison: Ahrefs vs. It gives you access to all the key tools typically needed for a SEO project: keyword research, backlink analysis and site auditing. for each keyword) Once you are logged into your Ahref’s dashboard, you can see multiple. In this article, I’ll put Semrush and SpyFu to the test and help you decide which SEO tool is better suited for competitor analysis. 95 per month. It seems that at this point in your search, because you're asking the difference, you might not have a lot of experience with both. . Don't forget to save 20% on annual billing. While Ubersuggest is cheaper and simpler, SEMrush has more marketing features. 3. Because in today’s post I’m going to compare Semrush vs. 2. Let’s summarize the highlights: Semrush provides a wealth of data, though the interface may feel cluttered. Semrush: 1. Overall, when it comes to index size, features, and price, Ahrefs is the best value. Selain memantau optimasi SEO kompetitor Anda, kedua tools tersebut. Ahrefs in terms of:Keyword research featuresBacklink analysisTechnical SEO. 3. On the other hand, SEMrush offers dozens of extra tools, including access to customer support resources. Try SEMRu. Although Moz and Semrush are both SEO toolkits Semrush offers even. Ahrefs is different; it gives a score of up to 100. SEMrush: best for keyword research, competitive research, and understand competitors tactics. Ahrefs. You also get intuitive reports and SERP features like Local Pack Tracking. Semrush SEO Software (1754 Ratings) 94% The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. You can enter up to 10,000 keywords at a time in the Keyword Explorer, and it will output. Ahrefs offers subscription packages for any budget. It's easier to do broken link analysis with Ahrefs. Semrush and Ahrefs provide lots of valuable suggestions with their site audit features. Semrush is also second to none when it comes to providing the most accurate search volume data for keywords. Jun 6, 2022 #8 markos87 Power Member. The downside? Ahrefs doesn’t offer a free plan. In the slot, enter your domain, select the country and click Search. . Ahrefs. But be warned, SEMrush's UI and UX is a nightmare sometimes. com vs semrush. Ahrefs technically has the cheapest plan, but that plan also comes with less value than Semrush. Only 82 people responded there, and 6-12 months was the most popular answer. One of the best thing I like in ahrefs is has content-gap option through which you can find those websites from which your competent getting links. There's a few reasons why Semrush's rank tracker is better, but for most people, only one of them is a big deal. It scans your point for over 130 specialized and SEO miscalculations and also categorizes the issues it finds. Who Has the Most Accurate Search Volume Data: SEMrush vs Ahrefs. Ahrefs. Ahrefs certainly has a larger link database. Look for relevant keywords to target with your content, based on data like search volume and keyword difficulty (KD) While Ahrefs is predominantly focused on SEO, SEMrush offers everything from SEO, PPC, Social Media, content marketing to market research tools. However, Ahrefs stands out with plenty of unique features. 95 per month, and delivers most of what typical small to midsized business (SMB) marketers need out of a search engine optimization (SEO) tool. As you can see above, the Serpstat keyword analysis tool is giving even more keywords data (around 8900 keywords) for the. Only 82 people responded there, and 6-12 months was the most popular answer. . We wrote this beginner’s guide to help you understand some of the basics and where your time is best. Semrush vs. I'll also be telling you which SEO tool I'm using. Keyword Research; 3. Although these free alternatives are NOT all-in-one SEO toolkits like Semrush or Ahrefs, they are helpful for keyword research, link analysis, site audits, etc. Winner: Ahrefs. Moz's DA was a clear winner, maybe because of first-mover advantage but right now in 2021, which is more accurate? I have seen so many websites with large differences in their domain score, ratings, and authority with Domain rating by ahrefs usually being lower and Domain score by semrush being higher. Ahrefs. I just chose ahrefs and stuck with it, I do'nt think you can go wrong. This makes Semrush is a better option than Ahrefs if you want to test an SEO tool before using it. Better traffic estimations Ahrefs’ traffic estimations better correlate with Google Search Console (GSC) data. Moz Pro is easy to use and offers a user-friendly interface. Two of. In the case of Ahrefs, you get 2 months free (effectively a 16. Its main features include the site explorer, content explorer, keyword explorer, rank tracker, and site audit. 8. When comparing the two sites, SEMrush is slightly better. Keep a track of research competitors’ links and new links. Semrush is huge, but Ahrefs blows them out of the water. Users who are billed annually save 16%. Semrush debate, let me highlight a feature that Semrush and Ahrefs offer, but Moz doesn’t. Semrush. Take AccuRanker vs SEMrush for an example. Page Crawl Limit – SEMrush also has a more generous page crawl limit, allowing users to crawl up to 100,000 at the lowest level compared to only 10,000 from Ahrefs. For those looking for a good keyword research tool with a broader scope of features, Semrush is the better option. Top 3 FREE Semrush Competitors for 2023. Based on verified reviews from real users in the SEO Tools market. Why we like it: Keyword Magic Tool draws from a database of over 25 billion keywords from 142 countries. SEMrush Rank Tracker is available on all paid SEMrush plans, but depending in the plan you have different keywords tracked quotas. It mainly includes the tactics that competitors are using to outrank you. With their Keyword Magic Tool, you can enter a seed word and get up to 2 million keyword suggestions. SEMRush is a great competitor tool but is a bit weak on the "SEO Campaign" side of things, where you can track specific rankings and onsite issues, etc. Rank Tracker lets you monitor your Google rankings on desktop and mobile across 190 countries. You can also check if there’s a more popular topic (traffic-wise) that you could go for instead. Semrush. Semrush – Pro and Guru plans, comes with a free trial available with limited features. 72%. Ahrefs: The Content Explorer tool not only reveals top-performing pages for specific keywords but also shows why they rank so high. SEMrush is the best tool for keyword research and competitor analysis. SEMrush uses a to-do list, where AHREFS asks you to make your own to-do list. . I think for the price, Semrush provides a better value. Now you just need to select the Competitors tab. 4. 5 and user satisfaction at 95%) and Semrush (overall score at 9. 1. You can see analytics from the dashboard, including search engine rankings to domain ratings, referring domains, and backlinks. It is easier to use than Moz, provides considerably more features, gives you more generous reporting limits and offers CRM-style project management tools that allow you to manage link building campaigns without ever leaving the platform. Semrush’s pricing starts at $129. Uncover the pros and cons of each platform, and find. It’s like a test drive for your SEO journey. Media. According to the official word from the SEMRush team this is one of the most undervalued tools by users, but that makes no sense to me, because this is awesome. Check. Today’s Ask An SEO question comes from Kayle from Cape Town, who asks: Google shows 314 of my web sites pages are indexed, but Ahrefs only shows 260 internal pages and Semrush only shows 220. Danny Goodwin on October 26, 2023 at 4:02 pm | Reading time: 3 minutes. These tools are all-in-one SEO tools that can help you achieve all your SEO goals right from building new backlinks to on-page and technical SEO. Semrush is a 360-degree digital marketing toolkit. • Semrush is great for business that want an all-in-one SEO solution. 1. It has more features and works as a complete SEO solution for your business. You can read more about why Ahrefs doesn’t take more factors into account in their blog. So, all in all, SE Ranking is the winner of the SE Ranking vs SEMrush Ease of Use round. SEMrush has a full Traffic Analysis competitor module, whereas Ahrefs does not. When you click a URL in SEMrush you will see the total number of ties, end. Ubersuggest is a newer tool in comparison to other tools, it is evolving slowly and it will. After diving into both tools ahrefs vs semrush, we can confidently tell you that Semrush is the most powerful SEO tool. 40. And Moz’s top-tier plan is $599/month. View full answer. It shows the search volume that means how many people are searching for this particular topic exclusively in the USA and worldwide as well. It gives you daily updates of data and mobile rankings. Welcome to our Ahrefs vs Moz vs Semrush comparison! The article is divided into two parts — first you’ll find a table that gives you an ‘at-a-glance’ overview of. Ahrefs, SEMrush, and Ubersuggest stand out as powerful allies for marketers and SEO enthusiasts among the top competitors in the sector. Ahrefs will start tracking data and will send you regular updates. Fiyatlandırma İşletme. We will conduct an SEO audit for a new article on infrared thermometers. Semrush offers three. Serpstat doesn't include any content optimization tools. It's also possible to look at their particulars elements, for example services, plans, rates, terms, etc. Had it been year 2018, I would have certainly advised you for Ahrefs, but considering the pace at which SemRush has kept a hold on the market,, there is nothing better than it. In this video, I did a Full comparison between Semrush Vs Ahrefs to check which one is the best SEO & Keyword Research Tool in 2021. That’s a lot of keyword data. In many ways, it’s unfair to compare Ahrefs, Semrush and Moz to Google Search Console. Some tools offer simple keyword research features, others offer broader analysis including competitors backlinks checker, domain authority, traffic estimates, or competitive intelligence. Semrush includes social media management tools including scheduling and ad management tools. Ahrefs offers a package for $99 that will. • Keyword Magic. When choosing a paid SEO tool, there are a few considerations — especially if you’re selecting a tool for your team vs. When comparing quality of ongoing product support, reviewers felt that Semrush is the preferred option. They basically run analytics, scraping and data storage on the scale of google. It gives you a helpful estimate of how many backlinks you'll need to rank for a particular keyword — SEMrush has yet to introduce a similar feature. 95 per month for the Business plan. For Ahrefs, I filtered for all KD from 0 to 10. It is the bulk/batch analysis feature that allows you to analyze the backlinks of up to 200 domains, subdomains, subfolders, and URLs.