domain authority checker ahrefs. Why Choose Ahrefs?While Ahrefs doesn’t use “Domain Authority” and “Page Authority,” it does measure “domain rating” and “URL rating. domain authority checker ahrefs

 
 Why Choose Ahrefs?While Ahrefs doesn’t use “Domain Authority” and “Page Authority,” it does measure “domain rating” and “URL ratingdomain authority checker ahrefs  Domain Authority is based on data from our Link Explorer web index and uses

com, which has a DR of 82. You know the drill by now – the report’s still in early access, so we’ll be rolling out new features gradually. 1. It calculates the rating by considering various factors, such as backlinks and social shares. You’ll then find out your DA score between 1 and 100 for your website, and you’ll also be given the option to export your results for further sorting. Ahrefs uses a website’s backlink profile to determine their DR. Aside from being a backlink checker, Ahrefs is a full-suite SEO tool that lets you conduct. . Benchmarks, however, are KPIs you set as your reference point when building your SEO strategy. Enter 5 competitor domains to see how your website authority compares to theirs. There are a few ways you can check Domain authority using Moz. Curious about the Domain Authority score for your own website? You have lots of options. Don’t want to install a Chrome extension? Simply copy and paste any URL into Ahrefs Authority Checker here. The Positions Explorer from Ahrefs lets you check a domain, sub-domain or exact URL for how it ranks in Google. The industry's leading SEO toolbar – over 800,000 installs and climbing – MozBar gives you instant metrics while viewing any page or SERP. If you want to do a bulk domain check, enter one URL per line. Powered by industry-leading link data. They also have a range of other tools including a content gap tool, broken link checker, YouTube keyword research tool, and an Amazon keyword research tool. A domain authority (DA) score is an automated score developed by Moz that's produced by an algorithm that judges the strength of a website in terms of its ability to rank. Domain Authority is based on data from our Link Explorer web index and uses. Check Domain Authority với Moz. Ahrefs. If this sounds like something you’d like help with, check in on our authority link building services. It took Netlify 1 year to grow from a 25 to a 71 with 304 referring domains. This is just a snapshot in time, but Rank Tracker also tracks your search visibility trend, so you can see if your visibility is increasing or decreasing. Ahrefs shows you the complete picture of followed vs nofollowed links for any target. Masukkan domain di kolom yang tersedia, lalu klik Check Website Authority. They also explicitly state that DA isn’t a metric Google uses to. Price: Free for MozBar, $99+ for MozBar Premium (included in all paid. A measure of your website’s authoritativeness that is based on the number and quality of backlinks. . If you want to know how many times a specific website has linked to you, search for the domain then look at the Links to target column. You can. Depending on the DR checker you are using, such as the Ahrefs domain rating checker, the score of the typical domain authority falls somewhere between 1 and 100. The free tool above shows your website’s “authority” as calculated by Ahrefs (i. Outside of Ahrefs being a great source of search data, they’re one of my top tools due to them listening to users and constantly improving their tools. Screengrab of Moz Domain Analysis tool – just enter your domain in the white. If you want to check even more domains, Rankz’s SEO Rank Tracker lets you check hundreds at once. The more websites link to your content via outbound links, the more authority it gains. The source domain splits its rating. 0 report. When you enter your domain into Ahrefs, you will see important information like linking websites and backlinks. Choose a keyword. The easiest and the most affordable is to use Moz’s Free Domain SEO Analysis. A website’s DR is high if it has many backlinks from high-quality websites. Choose the “Phrase match” keyword ideas report. Ahrefs Domain Rating Checker. Step 4. Summary. It's essentially a less granular version of Ahrefs Rank (AR). You’ll see the total number of backlinks and referring domains (linking websites) and the top 100 backlinks (referring. Its features give a comprehensive overview of your domain’s health. Find relevant keywords from our database of over 8 billion queries. 95/month. . The overview includes the domain rating of the website, the total number of backlinks, and your percentage of dofollow links. Domain Authority. Their domain authority checker is trusted by many SEO professionals worldwide. Cukup ikuti langkah berikut. Meanwhile, you can also check other sources to compare the PA scores. I don’t worry much about missing meta descriptions. Use our Domain Authority tool to get the DA & PA for multiple URLs from a single domain or compare multiple URLs from different domains. Ahrefs. Melainkan, DR alias domain rating. Know your Domain Rating With Ahrefs' Website Authority Checker | Ahrefs TutorialsWebsite Authority refers to the strength of your domain. If you already know which keyword you want to rank higher for, skip this step. Moz Pro and Ahrefs are two of the most popular all-in-one SEO tools for a reason. To analyze the link profile of a website you manage, you can utilize the free Ahrefs Webmaster Tools. 6 million. 审核链接前景. Ahrefs calculates the DR score by analyzing a website's backlink profile, which includes factors such as the number and quality of referring links and the strength. They include our own collection of free SEO tools, as well as a few select third-party tools that we trust. , Domain Rating). The tool is easy to use and provides an accurate representation of a website’s authority. Ahrefs Website “Authority” Checker. Their backlink checker is great, but it’s full features are locked behind a rather expensive paywall that isn’t really worth it for new sites. Here at Ahrefs, we have a website authority metric of our own called Domain Rating. Another domain authority checker one may use to determine a website’s DA is Ahrefs, one of the top SEO tools on the market. I think there are basically three types of content: Education – You solve your audience’s problems, typically featuring your product/service. Ahrefs Domain Rating Checker: Ahrefs has its website authority metric, which is called Domain Rating (DR). Site Audit automatically groups issues by type and pulls printable reports – all fully visualized with colored charts. Step 3. As you can see, this example has a DR of 10, another good indicator that we could rank higher fairly easily. Entertainment – You evoke experiences. Another way to evaluate your domain name is to check its domain authority (DA). – The main factor in measuring Ahrefs DR is backlinks. Ahrefs plans start at $99/month for a Lite plan and go all the way up to $999/month for an agency plan. Otherwise, you need to find a page that could rank higher for its target keyword. These domains are scored out of 100. 3/ See keywords that bring you traffic. , Domain Rating). In other words, 3. 2# Ahrefs. Mozbar. Authority Score serves as an indicator of the overall quality of a domain or webpage. For instance, a DA of 50. DR stands for Domain Rating. Keywords that contain your seed in the order it's written. Type or paste the URL of the web page you want to check into the provided field. Ahrefs. Check out every site's top backlinks. Pick pricing plan which fits for your needs best. Ahrefs is an advanced SEO tool that offers one of the most powerful backlink checkers. Numero di backlink. Wait for the tool to evaluate the page authority score, which is usually a number between 0 and 100. Broken links. To check your organic traffic in Site Explorer, you can: Plug in your domain and scroll down to the Overview 2. Check your organic traffic in Ahrefs’ Site Explorer. Di Ahrefs menggunakan istilah URL Rating (UR) dan Domain Rating (DR) untuk menunjukkan skor PA dan DA. 3. Ahrefs offers subscription packages for any budget. Toggle the “Any word” switch. When we put process. How to Check Backlinks + Referring Domains For Your Website (2 Methods) You can check the authoritativeness of both backlinks and referring domains with the help of both a third-party or Google-developed SEO tool. Semrush. Scores above 60 rate the Domain Authority as excellent. Moz Domain SEO Analysis Tool. He’s an organizer for several groups including the Raleigh SEO Meetup (the most successful SEO Meetup in the US), the Beer and SEO Meetup, the Raleigh SEO Conference, runs a Technical SEO Slack group, and. Enter any website domain into the search field above to get insights into: Website traffic; Engagement statistics; SEO keyword rankings; Backlink analysis; User demographics; Much more; All for free! And you can use the tool as many times as you want — there’s no limit to the number of sites you can check. Here are a few popular ones: Ahrefs Backlink Checker Ahrefs is a popular SEO tool that offers a free backlink checker. Ahrefs. Semrush’s authority score metric is comparable to Ahrefs’ domain rating metric. Update: now also supporting 1K bulk requests → . Analyze the top 10 rankings for any keyword in any country. It runs on a scale from zero to a hundred. 1. You will now see who links to you and how many times they’ve done so. Powered by industry-leading link data. Data from MOZ Domain Authority (DA) - number from 1 to 100 (higher - better) provided by Moz and predicts how DOMAIN will be ranked on search engines, DA linked with link counts, MozRank, MozTrust scores and other data. The. Berikut ini cara mengecek DA dan PA dengan Ahrefs: Buka Ahrefs pada browser. 3. See what keywords your competitors rank for in search and how much traffic each keyword brings them. The higher your grade, the harder it gets to get even higher. Content gap tool revamp. This explains the different results you get when using. It runs on a scale from zero to a hundred. In this article, I’ll go through three tools you’ll need to get both jobs done (and even a bit more). com’s database of 500 billion pages, we actually. Here are a few tips on how to increase your domain authority through a content update: Find additional keywords that you haven’t included in your content. For example, the Bulk Domain Authority & Page Authority Checker from SEO Review Tools allows you to review page authority, domain authority, and backlinks for up to 10 domains. But when you subscribe to Ahrefs on the paid plan, you get access to several useful tools worth the cash: Site Explorer, Content Explorer, Keyword Explorer, Rank Tracker and Site audit. Here at Ahrefs, we have a website authority metric of our own called Domain Rating. Moz’s. While Google never revealed the exact formula for determining website scores, studies over ten years show that the more quality backlinks lead to a website, the better the score. The stronger the domain is, the higher the score it will get. Site Explorer’s Overview 2. Domain Rating is widely used in the SEO community to evaluate link-building opportunities and estimate the website’s authority gained via backlinks. I remember people were talking about some domain check API in the past, but can't find those threads anymore. The score is solely based on the quality of links going to a website. Download Excel Report – One-Click Excel file download option for. Q2. Domain Authority 2. However, they offer free access to Webmaster tools including the Site Audit and Site Explorer tools. In conclusion, Ahrefs is a powerful tool that can help businesses to improve their domain authority and increase their visibility on search engines. e. MozBar gives you instant metrics while viewing any page or SERP. Untuk mengeceknya, Anda bisa mengikuti tata cara berikut ini: Pertama-tama, buka dulu “Website Authority Checker” milik Ahrefs. . Top 5 Best Domain Authority Checker Tools: FREE & PAID 8. The Ahrefs DR (Domain Rating) and UR (URL Rating) checker is a tool that provides an estimate of a website’s authority and popularity. Moz’s tool allows businesses to check Domain Authority to “predict how likely a website is to rank on search engine result pages (SERPs). Domain Rating (DR) is a proprietary SEO metric by Ahrefs. Ahrefs uses DR (Domain Rating), and Moz and a handful of other companies use DA (Domain Authority) to measure your website on a similar scale. How to Check Domain Rating/Authority (3 Methods) 1. The higher the score, the better the authority of a domain. “It’s free, and you. Here's how it works: On this page, enter the URLs of the domains you want to check. No entanto, você não tem que pagar um centavo para usá-lo. Ahrefs is another popular SEO tool that can analyze the domain authority of your website. Website Authority Checker: This tool lets you check the. Ahrefs Tops in Keyword Research. Domain Authority (DA) is a search engine ranking score developed by Moz that predicts how likely a website is to rank in search engine result pages (SERPs). Explore organic and paid traffic metrics for any website using Site Explorer. Ahrefs is another popular SEO tool that can analyze the domain authority of your website. info, . Go through your website and select the pages you. For example, a domain rating of. Domain Rating (DR) is an Ahrefs metric that shows the relative strength of a website’s backlink profile. The stronger the domain is, the higher the score it will get. This free SEO Chrome extension is also compatible with Firefox and offers rich SEO insights into the websites and pages you visit. Ahrefs offers subscription packages for any budget. Check your website for 140+ pre-defined SEO issues. You can use this tool to check the score for domains and individual web pages. This is where you’ll find the new and improved Content gap tool. The free tool above shows your website’s “authority” as calculated by Ahrefs (i. 4. Find out if the name is taken. The free tool above shows your website’s “authority” as calculated by Ahrefs (i. Moz Link Explorer. See the web like search engines see it (for real) When we say you can search through yep. Domain authority tools. Mozbar. The term “logarithmic scale” means that the gap between DR 70 and DR 71 is much bigger than the one between DR 20 and DR 21. Ahrefs measures DR based on a website’s link profile. So you can find if a group of websites is PBN or not. The. Ahrefs has an Ahrefs Rank and Domain Rating. 2. Ahrefs is a powerful SEO tool that provides comprehensive insights into a website's performance, including its Domain Authority. ca domains and other popular TLD’s including . 200k+ SEO professionals across the world use it in their daily work. Nutze interne Verlinkungen um die “Autorität” wichtiger Seiten zu verbessern. Summary: Check your backlink profile using a tool like Google Search Console, Ahrefs, or Moz. In SEO, DA stands for Domain Authority, whereas DR stands for Domain Ranking. Ahrefs’ Free Keyword Generator. Step 2. Once uploaded, you can check if it was done correctly. To get ranked, search engines need to trust that these domains provide relevant and valuable information. To make things a bit easier we generate a list of keywords for you based on what is working for your competitors. With both, Ahrefs and Moz, check for the DR and DA of the linking-domains giving out the links, whether the links are DF or NF, then check how relevant are the backlinks, is the domain having any organic traffic, is the domain ranking for any KW and then arrive at your own conclusion whether. The Hoth Domain Authority Checker is a powerful tool that measures the probability of a domain ranking well in the search results and the strength of specific pages. A3: “Ahrefs’ KD score is based on a trimmed mean of referring domains pointing to the top 10 ranking pages. Redirect tracer with HTTP Headers. You can check your website’s DR from various tools, but the best tool for checking DR is Ahrefs’ website authority checker. You will then be able to see your score in the DA PA column. This powerful tool allows you to make an informed decision on which domains are worth investing in if you want to improve your online presence. SEMRUSH. Ahrefs. For example, think of your website navigation. Ahrefs Keywords Explorer gives you the estimated number of backlinks you have to include on a page so that it ranks. The key factor that makes Ahrefs stand out is data quality. Use Google Ads data. The all-in-one SEO toolbar for research on the go. In app. The domain authority (also referred to as thought leadership) of a website describes its relevance for a specific subject area or industry. After using Ahrefs for 3 years, I can't imagine my work life without it. Ahrefs DR (Domain Rating) is a metric that measures the authority of a website’s backlink profile on a scale of 0 to 100. On a scale of 0 to 100, the higher your score on this scale, the more likely your site is considered to be strong in Google's eyes, the better your website's chances of being ranked in Google's search results. If you use Ahrefs or Moz, check your domain authority (DA) or domain rating (DR) for an overall backlink profile score. Google Search Console – Performance data from Google. Moz’s free Domain Authority Checker is a powerful tool that allows you to analyze any. David Stein, VP of Content and SEO, Wunderman Thompson. Traffic. The traffic peak was in August 2022, reaching ~6. Moz Domain Authority, Explained. If we’re creating content for a domain with a low domain authority, we know that it has a lower likelihood of ranking well if the keyword is difficult. ahrefs. Whether you are analyzing your own list of keywords or looking at the suggestions in Keywords Explorer, our Keyword Difficulty metric shows you the opportunities you can easily rank for. Free method (top 100 backlinks) Head over to our free backlink checker and plug in your competitor’s domain or URL. Masuk ke situs SEMRush lalu ke halaman Domain. Backlink Checker; Website. It offers metrics such as Domain Rating (DR), Ahrefs Rank (AR), and URL Rating (UR), providing a. Ahrefs developed its own metric called. com の Domain Rating は 91 です。. A free Chrome extension (MozBar) gives you Domain Authority, Page Authority inside the displayed SERPs, and site backlinks similar to Ahrefs backlink checker. Put simply, it provides insight into how likely a site is to. Rank Tracker – Our most popular solution for. Backlinks (same as inbound links) are links to a particular web page or resource from other web pages. The quality, quantity, relevance, authority, and anchor text of the backlinks are one of. , Domain Rating). Dofollow links can be followed by search engine crawlers and transfer link equity to the linking site, which influences the page rankings. Check Benefits. How to check . Though Ahrefs’s paid subscription is an incredibly powerful SEO tool, their free website authority checker only provides very general data, namely: Domain rating. 3. ) I have a nice list of Ahrefs’ team members (full names) in a spreadsheet. This tool allows you to check DA and spam metrics for up to 10 URLs at a time. Ahrefs Review & Tutorial 2023: How To Create Content That Sticks & Build Links That Count. They both offer excellent services, enhanced analysis, and large. Here's a step-by-step guide: Step 1: Sign in to your Ahrefs account. Ahrefs Authority Checker. In the same way, if a website's domain authority score is low, it may not have high-quality backlinks. However, Ahrefs clarifies that the term "website authority" is synonymous with “domain authority” as an SEO concept, instead of Moz's own metric. Price: Free for MozBar, $99+ for MozBar Premium (included in all paid. It is already the biggest database on the web, and it’s growing steadily. Enter a competitor’s domain in the Target section. Ahrefs is another popular domain authority check tool to look at. 1. We use it for everything SEO-related. This tool provides a domain authority score on a scale of 1-100 as well as other valuable metrics such as backlinks and page authority. This report shows that the search visibility for our tracked keywords for the Ahrefs blog is 3. Similarly, the Moz DA Free Checker Tool can give you a sample of what to expect – although you need to use both paid versions to unlock the truly valuable information your business can use. You get instant insight into any website URL you enter into the specified field. These domains are scored out of 100. These are just two examples of link building strategies that don’t require content. The UI (user interface) can be improved. On the other hand, the term Domain Ranking is an Ahrefs metric, which indicates the strength of a website’s backlink profile. Moz’s tool allows businesses to check Domain Authority to “predict how likely a website is to rank on search engine result pages (SERPs). You can use it not only for keyword monitoring but also for your entire SEO strategy. The higher the DR score, the stronger your website's authority. Internal Links establish the website’s hierarchy and help users and search engine crawlers navigate and discover new pages. After using Ahrefs for 3 years, I can't imagine my work life without it. Back in the day, Google would make your PageRank public, which was probably much more accurate, but they have since deprecated the API that shared this information publicly. 2. Number of backlinks. Here are just three: Moz’s Domain SEO Analysis Tool; Linkgraph. Pages with higher link authority tend to rank higher in Google’s search results. It runs on a scale from zero to a hundred. Hopefully, SEO experts have made various SEO tools available. How to check Domain Authority. The Ahrefs SEO Toolbar is a versatile free multi-tool for SEO professionals and webmasters, encompassing a range of valuable features such as: 🔸 On-page SEO report (meta tags, word count, etc. Even though Google denies DR and domain authority as ranking factors, Ahrefs conducted a study to find if better DR scores correlated with the average number of keyword rankings for domains. Domain authority. It runs on a scale from zero to a hundred. Check up to 10 URLs every 24 hours. However, when many SEO professionals use the term “keyword difficulty,” they’re referring to the broader concept of. 1. Ahrefs does offer a bunch of SEO tools for free, such as a broken link checker, a website authority checker, a keyword rank checker, etc. These domains are scored out of 100. Domain authority. They do have their own authority checker tool that works similar to Moz. It runs on a scale from zero to a hundred. Ahrefs’ Site Explorer. Meta description tag missing or empty – 72. Third-party SEO tools like Moz, SEMRush, Ahrefs, and Majestic calculate DA. The higher a website’s Domain Rating (DR), the stronger and more authoritative it is. MozBar Chrome Extension. Traffic share = topic share aka “topical authority”. Sidenote. Check any website, URL or subsection to see actionable and insightful SEO metrics: Number of referring domains. A website’s strength and authority are indicated by its Domain Rating (DR). For example, Ahrefs has its Domain Rating score and Moz has its own Domain Authority score. The tool provides detailed information on each backlink, including the domain authority, anchor text, and link type. Domain authority: score 1 - 100. It provides a comprehensive analysis of a website’s backlink profile, including the number of backlinks, their quality, and the referring domains. 340. It runs on a scale from zero to a hundred. Use our tool to get your website’s Domain Authority (DA), Backlinks, and Referral Domains. There are a couple of ways to use this data. Narrow down your search results to the highest quality pages by filtering dozens of SEO metrics like Organic traffic, Domain rating (DR), Backlinks, and Published date. Your score can be 1 or up to 100. It is important tha. One of them is the average DA in your industry or the DA of pages ranking for one specific term. Mostly target sites whose domain authority are equal to or higher than your site's. -Create custom searches by engine, country, region, or city. The general authoritativeness of the referring website. Follow on-page best practices. Uncover the genuine strength of your website's authority by utilizing the Domain Authority (DA), Citation Flow (CF), and Trust Flow (TF). You can use. txt file is to create the file itself. This tool can be immensely valuable for SEO professionals and marketers looking to understand the strengths of their websites and those of their competitors. With ahrefs, you can quickly ascertain the strength or weaknesses of a top. Make a copy of the previous dataframe and give it a new name. Its purpose is to boost the “authority” of your pages in the eyes of Google so that these pages rank higher and bring more search. How to check Domain Authority. Moz, SEMrush, and Ahrefs have their version of a domain authority checker tool, so pick one and use it consistently. This relevance has a direct impact on its ranking by search engines, trying to assess domain authority through automated analytic algorithms. Bulk Domain Rating Checker by Small SEO Tools is very easy to use. If you. 2. 2. com. Don't forget to save 20% on annual billing. Bij Ahrefs hebben we een eigen autoriteitscijfer voor websites die we Domain Rating noemen. Domain Authority (DA) is a search engine ranking potential score (0-100) invented by Moz that predicts how likely it is for one website to outrank another in search results. Use ubersuggest or semrush. Before you purchase an SEO-friendly domain name, you may want to check on the domains used by your largest competitors. All issues are sorted by importance, with straightforward advice on how to fix each one. While Domain Rating is a useful metric for qualifying link prospects, it’s important to look beyond metrics as they can be manipulated by savvy link. Folge dem obigen Prozess kontinuierlich, um stetig deine Website-Autorität und dein SEO zu verbessern. Create a sitemap. The higher a website’s Domain Rating (DR), the stronger and more authoritative it is. The upward trend shows that the site authority metrics have. Domain Authority scores range from one to 100, with higher scores corresponding to greater likelihood of ranking. Cara cek DA PA web dengan SEMRush terbilang cukup mudah, Sob. Ahrefs is a complete SEO tool. Ahrefs. These domains are scored out of 100. To check your domain score, you can use any number of tools. AHREFs have stated that Domain Rating does not factor in other variables such as link spam, traffic, domain age, etc. Keyword rankings. You can check up to 10 domains at a time, making it easy to do a competitor. Several domain authority checker tools are available, including Moz’s Domain Authority Checker, Ahrefs’ Site Explorer, and Majestic’s free Site Explorer. If you create your algorithm, you can calculate your domain rating, which would be time-consuming. Di Ahrefs menggunakan istilah URL Rating (UR) dan Domain Rating (DR) untuk menunjukkan skor PA dan DA. To use the Ahrefs Domain Rating Checker, simply enter your website’s URL and click the “Check Rating” button. 因此,Ahrefs 的域名评分是判断链接前景相对质量的良好指标。. Ahrefsでは、ドメイン評価という独自のウェブサイトオーソリティ指標を持っています。 これは0から100までのスケールで表示されます。 ドメイン評価 (DR)が高ければ高い. The higher a website’s Domain Rating (DR), the stronger and more authoritative it is. Buka Website Authority Checker Ahrefs. 因此,Ahrefs 的域名评分是判断链接前景相对质量的良好指标。. There are two main ways to spy on your competitor’s website traffic and rankings: Using Ahrefs’ Site Explorer – Best for quick checks. , Domain Rating). Ini dia cara mengecek website authority secara gratis melalui Ahrefs: 1. Website Authority Checker (Ahrefs) Giống như Moz, Ahrefs là một công cụ SEO nổi tiếng. The higher a website’s Domain Rating (DR), the. Serpstat provides the ease of access that extremely busy people need to effectively run their websites with the best content and the highest number of clicks. 9. including Ahrefs, Majestic, Semrush, and others – can help measure. 3. 2. Backlink anchor text — Analyze anchor texts to see. The On-Page SEO Audit Tool will scan your entire website and find any errors that could be holding your website back from ranking higher in search engines. Inbound links. A notable one is Ahrefs Webmaster Tools, which allows you to check SEO performance for the sites you own. So thus I believe SEO SpyGlass offers a more complete analysis. Third-party SEO tools like Moz, SEMRush, Ahrefs,. AhrefsHow is Domain Authority measured and what are all these acronyms? The meaning behind the metrics. Find out if the name. Ahrefs monitors hundreds of millions of keywords in 189 locations, with over 171 million in the US alone. Ahrefs' SERP Checker gives you an accurate ranking difficulty score and detailed SEO stats for the top 10 search results. Here are a few key considerations to keep in mind when analyzing a link profile: 1. In A Nutshell. This information provides insight into the domain’s trustworthiness and potential to rank. When it comes to domain authority, high-quality backlinks are king. One of the most trustworthy and widely used domain authority checkers is Ahrefs.