如何取消我的计划？. Site Audit. Ahrefs will start tracking data and will send you regular updates. It's essentially a less granular version of Ahrefs Rank (AR). Pick pricing plan which fits for your needs best. If you like it and you want a paid version, Ubersuggest is still WAY more affordable than Ahrefs. Ahrefs Rank (AR) chỉ xếp hạng những trang web có trong cơ sở dữ liệu của họ. Phân tích URL đối thủ cạnh tranh trong Site Explorer. Dưới đây sẽ là hướng dẫn cách. In AR, the strongest value is 1, and if there is an upward movement, it represents a negative situation. Ahrefs’ Problems: Top 10 (not the top spot): The Ahrefs KD suggests the difficulty to get ranked in the top 10 spots. 去年，我们将网站的自然搜索流量提高了250％。. Note: Please, mind that Ahrefs Rank (AR) is based on Domain Rating (DR), so reasons for decline of DR explained above apply to those of AR decline respectively. com), # 3. Check any website, URL or subsection to see actionable and insightful SEO metrics: Number of referring domains. 2. Faigh na Happy Ahrefs is déanaí, margaí, cóid promo, loingseoireachta saor in aisce agus lascainí ó shiopaí tóir ar líne. Enter your domain in the Competitors section. Out of stock. 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. 00. Overview 2. Use the interactive graph to see how traffic has progressed both globally and locally in 171 countries. The video tutorials explain Ahrefs’ features and their application. This is a valuable tool to help you understand how your site’s rank changes over time. Maile Waite, İçerik Müdürü & SEO, CloudApp. Ahrefs has an extensive keyword tool that enables you to find and analyze keywords for any topic, niche, or industry. Add any confirmed services to your initial list. Pros. تم تصميم أداة تعقب الترتيب ahrefs لمساعدتك في مراقبة ترتيب موقع الويب الخاص بك على الستجيل بواسطة جوجل SERPs على سطح المكتب والجوال عبر 171 دولة مختلفة. 1. Our certification course is currently in beta. Check for 140+ SEO issues. 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. Ahrefs Keyword Generator นี้ถูกสร้างขึ้นมาเพื่อช่วยให้เราหาไอเดียคีย์เวิร์ดได้ค่ะ โดยมันจะเอา. Bir web sitesi için ne kadar çok ve daha yüksek kalitede bağlantı varsa sıralaması da o kadar yükseliş gösterecektir. 我们公司的SEO策略完全基于Ahrefs工具和教程。. *Three of less results have a AR (AHRefs Rating) of. The domain rating (DR) metric will be used to determine the AR. Em poucas palavras, o Verificador de Backlinks da Ahrefs é uma potência capaz de praticamente qualquer tarefa de pesquisa de backlinks. It does this by tracking the website’s progress and giving insights on how you need to improve it. Ahrefs Rank (AR) Ahrefs Rank là công cụ xếp hạng Alexa của Ahrefs, thể hiện xếp hạng của website dựa vào số lượng và chất lượng backlink về trang web đó. )The Linked domains report shows SEO metrics for every outbound linked domain. DR – Domain Rating. Registration and Use of Service. Crawl your website for SEO issues that can hurt your rankings, including: Missing title tags and meta descriptions. Other than the metrics you may have using the Ahrefs or Google Console, you will also find additional metrics to surge your rank. Now there is no way for you to try out. Use it to check your backlinks and survey your content. Advanced: Costs $399 per month for 3 users. 2. Both internal and external backlinks links are taken into account when calculating URL Rating. Ahrefs is the most powerful tool for SEOs who focus on backlinks, while it's more than enough for people who are trying to maintain their website, come up with new keywords to write about, and have an eye on the competition. DR is a measure of the quantity and quality of the backlinks going to. Check for 140+ SEO issues. is a software company that develops online SEO tools and free educational materials for marketing professionals. , Domain Rating). Ahrefs Pte. The strategy of including a project on Ahrefs is similar for all of the instruments. Slow pages. Traffic Value; 12. Once saved, the portfolio will always be shown on your dashboard, along with top-level metrics. Never run out of content ideas again. Tìm kiếm từ khóa bằng Ahrefs; 2. Ahrefs Rank. For the record, Ahrefs Rank (or AR) is a global website ranking system developed by Ahrefs and contains all websites from high to low based on the quality and size of their backlinks. But, in order to access all of Ahrefs features, you need to have a paid version. Terminology. Find rankings for specific keywords using the inbuilt filters and search functionality. Ahrefs is a great tool for SEO professionals. From the basics like rank tracking to the pro-level backlink insights Ahrefs allows us to be more efficient and more effective SEOs. So if you put a website into Ahrefs’ Site Explorer and check its UR, the number you get will be for the homepage alone. Najważniejszą rzeczą którą robi Ahrefs jest wspieranie swojego software’u świetnymi wpisami poradnikowymi na ich blogu i filmami kanale YouTube. *Three or less results have over 30 RD (Referring Domains) to the URL. 3. Backlinks refer to the incoming links only. Ahrefs is one of the tools used by the SEO and Digital Marketing industry. Escolha um plano que se encaixe nas suas necessidades, e vemo-nos no outro lado. 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. Ahrefs is one of the best SEO tools together with Semrush, and I find it fascinating how extensive their database of keywords and backlinks is. Rebekah Bek November 7. Ahrefs leadership is once again calling out Semrush for making “7 shameless edits” to an Ahrefs vs. Now, what’s essential to recollect about Ahref’s Site Explorer statistics is that while they are based mostly on hard information, they are ultimatelyestimates based. Step 2. linkprofil) fra 0-100. In short, Ahrefs is a suite of tools that help you optimize your website for search engines. SEMrush. 95$/ Month. Total followed linked domains. Don't forget to save 20% on annual billing. Don't forget to save 20% on annual billing. Large image files. Ahrefs will spin its magic, and show you: Your site’s ranking position for that term. Email marketing blogs provide cases and insights for those marketers and business owners interested in implementing email marketing strategies. Pricing. SEMrush has 3 standard pricing plans. 0. Share your thoughts, and our AI writing tools will generate a huge range of compelling copy with just one click. Ahrefs is a feature-rich and all-in-one SEO tool. Updated over a week ago In the Anchors section of Site Explorer, you may sometimes notice that a certain anchor is missing from our reports when doing a manual check of. Ubersuggest is another Ahrefs alternative with vast resources to help you increase your site’s traffic. Hreflang is an HTML attribute used to specify the language and geographical targeting of a webpage. Keywords that contain your seed in the order it's written. It shows estimated traffic data for pages and domains. DR (Domain Rank): Same as AR, but on a 100-point scale. David Stein, VP of Content and SEO, Wunderman Thompson. Domain Rating (DR) shows the strength of a website's backlink profile compared to the others in our database on a 100-point scale. *Three or less results have over 200 BL (Total Backlinks) to the URL. Ubersuggest is a keyword research and. To help you make the most out of your Ahrefs subscription, we asked 97 marketers to give us their best tips for using the tool. Dead pages. The source domain splits its rating equally amongst the domains it. فيديو شرح Blogging for Business by Ahrefs - Full Course ضمن كورس جوجل بلوجر شرح قناة Ahrefs، الفديو رقم 1 مجانى معتمد اونلاين. In all fairness though I'm also annoyed with Semrush because it seems after a similar hefty fee, a lot of the data I find useful costs an additional fee. The UR, or URL Rating, displays the strength of a page’s link profile. Ahrefs gör det möjligt för oss att effektivisera allt vårt SEO-arbete. Ahrefs DR is calculated based on the number and quality of backlinks pointing to an entire domain. With it, you can discover thousands of relevant keyword ideas based on your. تبدأ خططهم في فقط 17 دولارًا شهريًا، بينما تبدأ خطط Ahrefs بسعر 99 دولارًا شهريًا، وحتى إذا كان هناك خصم Ahrefs أو قسيمة Ahrefs – إلا أنها لا تزال تجعلها أكثر تكلفة بكثير. Pages about topics that could impact a person’s future happiness, health, financial stability, or safety. Unfortunately, Ahrefs recently switched over to usage-based pricing. Click the Content Gap report. Ahrefs Referring Pages Planer och pris. 使用Ahrefs 3年后，我无法想象没有它的工作生涯。. 1 billion keywords and 35 trillion backlinks. Hreflang is an HTML attribute that informs search engines about the multiple versions of a page for different languages or regions. Get awesome insights into the popularity of the. Step 2: Select Ahrefs individually or purchase a plan to gain access to additional tools such as SEMrush group buy. UR (URL Rank): The strength of a specific URL’s backlink profile. GSC only shows up to 16 months of data by default, but Ahrefs will store and show data for longer than that – as long as your GSC account is connected. For example, if the delta for this number is +1. Compare Ahrefs and Microsoft Power BI based on features, pricing, verified reviews, integrations & more. The tool’s purpose is linking profile analysis. 2. Both internal and external backlinks links are taken into account when calculating URL Rating. (Which is quite a lot, if you ask me. Points from this section of the checklist will typically need to be set up once and revisited only when you need to introduce changes (e. Brabhsáil siopaí Ahrefs agus tús a shábháil!Ahrefs Review & Tutorial 2023: How To Create Content That Sticks & Build Links That Count. Venngage, şu an olduğu onsuz yere ulaşamazdı. See the estimated organic traffic to each linking page & referring domain. إذا قمت بفرز جميع مواقع الويب في العالم حسب قوة الروابط الخلفية (الباك لينك) الخاصة بها ، فستحصل على تصنيف Ahrefs – AR. Ahrefs is a SaaS company. Ahrefs Through our videos, you'll learn how to grow organic traffic on Google, improve visibility on YouTube, and establish your online presence through various marketing channels. Here are a few examples: Increase organic search visibility in the U. It is already the biggest database on the web, and it’s growing steadily. Similar to UR, the more high-quality backlinks a domain has, the higher its DR will be. This article aims to elucidate the key metrics these platforms offer, their historical context, and why these differences are significant for. Out of stock. 100k+ SEO professionals across the world use it in their daily work. With Ahrefs, it’s 2. Number of backlinks. Set the SERP features filter to “Where target ranks” and check “Featured snippet”. Reveal every keyword for which the target website or web page ranks in the top 100 across 155 countries. Course materials are available to Ahrefs users: Webmaster tools or Subscription. Check your website for 140+ pre-defined SEO issues. Select the preferred protocol and target mode. Những thuật ngữ của Ahrefs 3. Its free features include: On-page SEO report. The higher a website’s Domain Rating (DR), the stronger and more authoritative it is. Enter your domain in the Competitors section. – Ahrefs Free Keyword Generator. They include our own collection of free SEO tools, as well as a few select third-party tools that we trust. There are three ways to apply. With this tool, you can spy on your competitors' SEO strategies, their backlinks, keywords, and also other aspects. How to check pages for HTTP status codes in Site Explorer. Paragraph Generator Get your writing process off to a great start by generating fully coherent, compelling paragraphs. Dead pages. Well yes, Ahrefs also allows you to research, and spy on a competing domain’s paid. Ahrefs has been around since 2009 and is one of the most popular SEO tools out there. It’s used by companies. Ahrefs Rank (AR) 7. AR มาจาก Ahrefs Ranking เป็นการจัดอันดับเว็บของ Ahrefs เอง อันนี้ไม่ต้องสนใจมากก็ได้ค่ะ; DR = Domain Rating คือคะแนนของโดเมนโดยดูจาก Backlink ค่ะ Ahrefs ranks domains from 0 to 100; the closer you are to 100, the higher your website strength. But it provides you access to 12 trillion backlinks, 4 billion keywords and 1 billion pieces of content. Ahrefs all-in-one SEO toolset can help you with: - Competitor research: unveil your competitor's organic keywords, backlink strategies and PPC keywords - Link Building: find the strongest backlink opportunities in. Det viktigaste som Ahrefs gör är att de backar upp sin programvara med fantastiskt användbart innehåll på deras blogg och YouTube-kanal. Ahrefs计划包括使用我们所有工具的权限。. It comprehensively analyzes your website’s backlink profile, including the UR of individual pages. Nesse episódio falamos sobre a ferramenta aHrefs. Strength: Ahrefs displays the AR/UR and DR; while SEMrush shows the Authority Score (AS). David Stein, VP of Content and SEO, Wunderman Thompson. Dengan fitur ini, kamu bisa dengan mudah memantau performa situs dan mengatur strategi berikutnya. We’ve been crawling the entire web 24/7 since 2010, indexing and structuring petabytes of information. Ahref subscription starts from 99 dollars. For all other types of businesses, there is a 20% discount on the annual subscription. Começar. Ahrefs Rank (AR) Ahrefs Rank cho biết thứ tự (xếp hạng) website của bạn đứng thứ bao nhiêu trong dữ liệu mà Ahrefs thu thập được dựa trên các yếu tố đánh giá về số lượng và chất lượng backlink trỏ về. Bottom Line: Ahrefs is an SEO tools suite with one of the best backlinks databases, a site crawler, a rank tracking engine, and a keyword tool that goes beyond anything in the market. of domains (Referring domains). Ahrefs Webmaster Tools is a free tool to help you improve the SEO performance of your website. أداة تعقب الترتيب هي أداة ahrefs مهمة وتقوم. URL Rating (UR) shows the strength of a page's link profile on a 100-point scale. In addition, Ahrefs Rank Tracker lets you track your website’s rankings for desktop and mobile across 170+ countries. Sự khác biệt của Live/ Fresh Index; Chi phí Ahrefs Cách sử dụng Ahrefs; 1. AhrefsAR (Ahrefs Rank): Strength of the “backlinks profile”. Ahrefs Rank (AR) Ahrefs Rank cho biết thứ tự (xếp hạng) website của bạn đứng thứ bao nhiêu trong dữ liệu mà Ahrefs thu thập được dựa trên các yếu tố đánh giá về số lượng và chất lượng backlink trỏ về website của bạn. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Annual subscriptions starting at $82/month (personal) and. How to upload a disavowed links file in Ahrefs Site Explorer. Esta barra de herramientas SEO gratuita también brinda métricas instantáneas mientras visitas cualquier página web o SERP. 29% of search queries have featured snippets in their search results. يمكنك الاطلاع على هذه. And you can download the detailed Report for further use. Finally, AR means Ahrefs Rank, where Ahrefs ranks all websites on their SERPs. [Score: 2-1 in favor of Semrush] EXCLUSIVE OFFER. Ahrefs is one of the most powerful SEO tools on the market. UR (Ahrefs URL Rating) AR (Ahrefs Rank) DR (Ahrefs Domain Rating) RECOMENDADO: Guía tutorial de Ahrefs y sus funcionalidades; 6. URL Rating (UR) is an SEO metric developed by Ahrefs that represents the strength of the page’s backlink profile. When you look at phrases you are looking at the actual full anchor that resides on a given page. Ahrefs is a feature-packed suite of different search engine optimization (SEO) tools that help users, i. Domain Rating (DR) shows the strength of a website's backlink profile compared to the others in our database on a 100-point scale. AR. Taylor Rosty, Director Média Digital,Evolution Communications. Once you click on the Submit option, you will get the result within seconds. Enter a few broad topics related to your niche separated by the “OR” operator. Standard: $199 per month when. They also show users how to use Ahrefs’ tools to excel in digital marketing. بالحديث عن المنافسين ، يحتوي Ahrefs أيضًا على ميزة من شأنها أن تساعد في قياس مدى منافستك في تصنيفات البحث الخاصة بك. Get access to these insights with an Ahrefs subscription and use them to improve your business. 可见性：从跟踪的关键字到您的网站的所有点击的估计百分比。. Is Ahrefs worth the money? Solid data: a tool like Ahrefs is only as good as your data. Founders: Brian Halligan, Dharmesh Shah Blog type: Multi-author Ahrefs Rank (AR): 195 Domain Rating (DR): 93 Estimated monthly organic search traffic: 7,726,291 HubSpot is a powerful SaaS platform and the champion of inbound marketing. The higher a website’s Domain Rating (DR), the stronger and more authoritative it is. Fill your content calendar for weeks, months, or even years in minutes. Another omission in Ahrefs is information round search intent — once more, one thing that you’ll find in Semrush. Even many people even say that if Google's bot is No. It's screwing over a lot of users who were already paying a hefty fee. To do that, Ahrefs crawls the web, stores tons of data and makes it accessible via a simple user interface. Most SEOs know it as a “backlink checker” that competes with Majestic, Mangools, Moz, and Semrush. 1. Broken LinksAhrefs Pte. 1. DR is a measure of the quantity and quality of the backlinks going to an entire domain, while UR rates the backlinks going to a specific page. Terminology. The tool’s purpose is linking profile analysis. One of the vital thing reasons that web optimization professionals use instruments like Ahrefs is to stay on top of the technical. 3. 在您的付费订阅结束后，您将切换到免费的 Ahrefs站长工具 套餐，可以免费访问网站分析和网站诊断. Ahrefs offers two tools regarding link. This tool also shows keyword-related metrics, such as. Ahrefs is a SaaS company. By inputting a paragraph into the tool, users can receive a rewritten version that offers improved clarity, structure, and overall quality. Và được phân loại theo quy mô, chất lượng của hồ sơ backlink. 200k+ SEO professionals across the world use it in their daily work. While limited compared to a paid Ahrefs account, they’re. ما هي أفضل بدائل Ahrefs؟. Ahrefs offers four pricing plans which include: Lite: $99 per month when billed monthly and $83 per month when billed annually. Ahrefs có chứa tới 5 tỷ dữ liệu web, 16 nghìn tỉ liên kết và 170 triệu tên miền. It has the highest feedback index of any. It earns its authority from being an SEO keyword research tool famous for boasting an extensive keyword database. See your Google Search Console data directly in Ahrefs. 00. The closer you are to the number one spot, the stronger your online presence and website strength. Pros. Estimated organic traffic. Hit the "SERP" dropdown to see the first page of search results for your keyword, along with their SEO metrics. Ahrefs Rank (AR) ranks all the websites in our database in order, by the size and quality of their dofollow referring domains — basically, by their DR . 多年来，Ahrefs一直是我的营销工具包中的必备工具。. It helps Google to serve the correct localized version to the searchers. Ahrefs Profile and History. All issues are sorted by importance, with straightforward advice on how to fix each one. Here at Ahrefs, we have a website authority metric of our own called Domain Rating. Det har resulterat i 170% ökning i sessioner och intäkter på årsbasis, sedan vi började använda det. Overview: This Ahrefs review will show you how the program can improve your online presence by boosting SEO, keywords, and site ranking. This data comes from our database of ~500 million keywords (updated monthly). Ahrefs Alerts. Number of backlinks. When you run your SEO campaign, there’s always a chance that problems with arise or errors will occur. Today, we update our index with the freshest backlinks on the web every 15 minutes, and our crawler processes up to 8 billion pages a day. 2 billion keywords in 243 countries. AR – Ahrefs Rank Es una lista de todos los sitios web en la base de datos de ahrefs ordenados por el tamaño y la calidad de sus perfiles de backlinks, básicamente, por su DR. Take, for instance, Toolsurf. Updated over a week ago. A month later, I removed them. Ahrefs and Buffer. UR is somehow similar to Google’s PageRank. Ahrefs’ Paragraph Generator uses a language model that learns patterns, grammar, and vocabulary from large amounts of text data – then uses that knowledge to generate human-like text based on a given prompt or input. 95. Hướng dẫn sử dụng Ahrefs tìm từ khóa. The UR of these sites is all over the place as you go down the rankings. They are offering a 14-days exclusive free trial on their pro plan. Semrush offers a 16% discount if you pay in advance for a year. It doubles as a marketing tool, making it efficient as both an SEO & SEM tool. The Linked domains report shows SEO metrics for every outbound linked domain. Ahrefs is a tool mainly for SEO and content professionals. 05. To do that, Ahrefs crawls the web, stores tons of data and makes it accessible via a simple user interface. Ahrefs Rank (AR) Total followed referring domains; Total followed linked domains; Estimated organic traffic; Number of links from the target (total & followed) What You Can Do with This Report. The "Hreflang links" column lists the language codes specified in the hreflang attribute and their associated URLs. Ahrefs Rank muestra qué tan fuerte es el perfil de backlinks de un sitio web en comparación con otros sitios, donde un AR de 1 es el más fuerte. There are currently more than 12 trillion links in the database that. From the basics like rank tracking to the pro-level backlink insights Ahrefs allows us to be more efficient and more effective SEOs. Site Audit automatically groups issues by type and pulls printable reports – all fully visualized with colored charts. Number of referring domains. Ahrefs — SERP Analysis in Keywords Explorer. Set the SERP features filter to “Where target ranks” and check “Featured snippet”. The more and higher-quality dofollow referring domains a website has, the higher its DR is, and the closer its AR is to #1. Filter for websites with traffic <500K to exclude big brands. This is more than one of the top-20 most visible domains. When a domain's DR is higher, more "link juice" is transferred to linked domains. Ltd. Ahrefs Rank (AR): This ranking value is determined by Ahrefs based on the backlink profiles and the condition of inbound links to the pertinent domain. 3% of all website traffic comes from organic search. com), # 2 thuộc về trang mạnh thứ hai (Twitter. 55 lessons · 7 hr 4 min. Get ranking updates for desktop and mobile. What do the modes for analysis *. Ahrefs provides SERP analysis for over 200 countries within their Keywords Explorer and other Ahrefs tools. Note: Burmese language is only available on the Rank Tracker to track position rankings as we do not have sufficient data for Site Explorer and Keyword. What Does Ahrefs Rank Mean? All of the websites in the Ahrefs database are ranked based on the number and quality of backlinks in their link. Ahrefs compară DR cu Ahrefs Rank (AR), care este clasamentul general al domeniului, iar documentația sa indică clar că DR este o versiune mai detaliată a AR. Number of links from the target (total & followed) We also show the target's broken outbound links in the Broken links report, and a full. Co-branding is a win-win, especially when a retailer and supplier work together. , Domain Rating). Ahrefs is a set of tools for working with the site at all stages: from competitor analysis and structure planning to taking current positions and analyzing the result. 5. Ahrefs has a comprehensive keyword explorer. Domain Rating (DR) Ahrefs Rank (AR) Total followed referring domains. 00 stars. Iš platformos surinkti duomenys paprastai naudojami siekiant pagerinti ryšių kūrimo ir turinio rinkodaros strategijas. ( BrightEdge) 0. 使用 HTTP 标头重定向跟踪器. BenchmarkEmail. Terminology | Help Center - Ahrefs. *Three or less results have over 200 BL (Total Backlinks) to the URL. You immediately have access to DR, AR, KD, UR, and other metrics. Estamos constantemente a evoluir a ferramenta e a introduzir funcionalidades e dados mais úteis para profissionais. This opens up the space for a handful of actionable use cases. I’ve started using the free ahrefs for checking out my page traffic, keywords, and trends in my rankings but I’m curious if I’m really just missing out on everything the paid version offers. Ahrefs rank sắp xếp theo thứ tự từ thấp đến cao. Semrush – No special discount, but you can get a 16% discount on an annual subscription. The better your backlink profile quality (mostly meaning the quality and number of your referring domains), the higher your AR will be – and the higher your search engine rankings will be. 95 per month. In this Ahrefs review, I'll be walking you through the tool and help you know whether the tool is. What’s new at Ahrefs? (Oct 2023) Introducing standalone Internal links reports, redesigned keyword clusters in Keywords Explorer, and more. Keywords Explorer helps you determine how hard it would be to rank in the top 10 search results for a given keyword. July 31, 2023 10:33 AM. The first feature is known as Site Explorer. To find guest posting opportunities, most people use Google search operators to find blogs with “write for us” pages. Estimated organic traffic. We build products that are both meaningful and easy to use, and move fast to give our customers what matters. The tools we provide help you to improve your website, to find topics to write about and to track your website’s performance. These include: AR – Ahrefs Rank; DR – Domain RatingAhrefs’ Paragraph Rewriter can be beneficial for content creators, editors, or writers who need to enhance or refine their written content. Trang web nào có nhiều backlink chất lượng thì DR của trang web đó càng cao và. The Ahrefs Backlink Checker is the strongest backlink tool, having an extensive link index that can hold large amounts of data. Crawl your website for SEO issues that can hurt your rankings, including: Missing title tags and meta descriptions. Hit the "SERP" dropdown to see the first page of search results for your keyword, along with their SEO metrics. Increase search ad impression share from 47% to 65% in the U. S. Ahrefs工具主要有哪些功能？. Check for 100 SEO issues. Q&A for work.