📊 当社のテスト結果：
- 🎯 バックリンクデータベース： Ahrefs holds 14T+ internal and external backlinks vs SE Ranking’s 3T — アーレフスが勝利
- ⚡ キーワードデータの精度： Ahrefs keyword data matched Google Search Console within 12% — アーレフスが勝利
- 🔒 ランキング追跡速度: SE Ranking offers daily updates by default vs Ahrefs’ weekly — SEランキングで優勝
- 📝 サイト監査の詳細度: SE Ranking flagged 23% more on-page SEO issues on test sites — SEランキングで優勝
- 💰 エントリーレベルの価格設定： SE Ranking at $103.20/mo vs Ahrefs Lite plan at $108/mo — SEランキングで優勝
Picking the right seo tool can shape your entire search engine optimization strategy.
Two of the biggest names in the SEO industry are Ahrefs and SE Ranking.
Ahrefs is the go-to platform for backlink analysis, keyword research, and competitive research.
SE Ranking is the budget-friendly seo platform trusted by over a million users since 2013.
しかし、2026年に実際にお金を出す価値があるのはどれだろうか？
We tested both seo tools side by side for four weeks to find out.
概要
We put Ahrefs vs SE Ranking through real-world SEO campaigns.
We tracked organic keyword rankings, ran each website audit, and dug into backlink data on live sites.
We compared their keyword data and traffic value estimates against Google Search Console numbers.
この実地テストにより、各プラットフォームの明確な長所と短所が明らかになった。
Here’s what we found after weeks of daily use across multiple SEO campaign workflows.
Ahrefsとは何ですか？
Ahrefs is an all-in-one search engine optimization platform built for seo professionals and agencies to grow organic traffic.
It is built around one of the largest web crawlers on the internet.
Ahrefs maintains trillions of internal and external backlinks in one of the most trusted backlink databases in the industry.
Shopify、eBay、および リンクトイン rely on the Ahrefs platform daily.
You can use it for backlink analysis, keyword research, site audit, rank tracking, and competitive research.
Ahrefsは、10年以上にわたりSEO業界で広く知られた存在です。
アーレフス
The industry-standard SEO platform with the world’s largest backlink database. Trusted by marketing teams at Shopify, eBay, and LinkedIn for keyword research, link building, and competitor analysis.
Ahrefsの価格
Ahrefs pricing reflects its premium position in the SEO market.
Here’s what each Ahrefs subscription plan costs in 2026.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| ライト | 月額108ドル | フリーランサー 小規模なサイト |
| 標準 | 月額208ドル | Growing businesses and seo pros |
| 高度な | 月額374ドル | 大規模な機関や企業 |
Pricing verified March 2026.
無料トライアル: Ahrefs does not offer a free trial. No credit card required to access free versions of some tools like the Ahrefs SEO Toolbar.
返金保証: Ahrefs does not publicly advertise a money-back guarantee. Check Ahrefs’ terms before locking in most subscription plans.
📌 注記： Ahrefs uses a credit-based pricing system on lower-tier plans. Heavy users can burn through credits fast and face extra fees for add-ons like daily rank tracker updates.
⚠️ 警告： Ahrefs pricing was last updated in April 2024 with significant price hikes across all subscription plans. The Lite plan jumped from $99 to $108/month.
Ahrefsの主なメリット
Here’s why Ahrefs remains a top pick among the best seo tools in 2026:
- 大規模バックリンクデータベース： The Ahrefs backlink profile tool tracks daily backlink growth across trillions of links pointing to any target site. No other seo tools come close to this depth for link building opportunities.
- Ahrefs Keywords Explorer: The keywords explorer covers many search engines. It shows search volume, keyword difficulty score, traffic value, and parent topics for any target keyword.
- コンテンツエクスプローラー: Find ranking pages and top ranking pages in any niche to plan ahrefs content strategies. Great for finding link building opportunities and new keyword ideas.
- Ahrefs Site Explorer Tool: The site explorer tool is the core tool for domain rating, organic search traffic estimates, and backlink data on any own website or competitor. The Ahrefs site explorer tool reveals how much traffic a domain pulls.
- Brand Radar for AI Search: A new tool that lets brands track visibility in AI overviews and Large Language Models. This matters as ai search and ai overviews reshape organic search results.
- Ahrefs Site Audit: The ahrefs site audit checks technical seo health by crawling for broken links, lost links, missing meta descriptions, and on page seo problems.
- Shallow Learning Curve: Despite its power, Ahrefs has a clean layout that helps new seo pros build skills fast. Helpful for beginners and seo professionals alike.
Ahrefsのメリットとデメリット
✅ メリット
- World’s largest live backlink index with trillions of internal and external backlinks
- Highly accurate keyword difficulty score and traffic value data
- Content explorer finds top ranking pages and link building opportunities in any niche
- Clean interface with a shallow learning curve for beginners
- Brand Radar tracks visibility in ai search and ai overviews
❌ デメリット
- No free trial — payment required to test the full Ahrefs platform
- Credit-based system limits usage on most subscription plans
- Mixed customer support reviews — some users report unhelpful responses
- Traffic estimates can differ from Google Search Console and Google Analytics data
SE Rankingとは何ですか?
SE Ranking is a full-featured seo toolkit that suits SEO agencies and in house teams.
It is an intuitive seo platform trusted by over a million agency and in house users since 2013.
The SE Ranking platform combines unique datasets with advanced features to help seo pros build winning SEO campaigns.
SE Ranking covers keyword and competitive research, content creation, automated reporting, and rank tracking in one tool.
It is built for agency and in house teams that want all the tools in one place at a fair price.
SEランキング
An affordable seo platform with razor-sharp rank tracking and white label reporting. Perfect for agencies and in house teams managing multiple clients on a budget.
SEランキング価格設定
SE Ranking’s pricing policy keeps things simple with two main subscription plans.
Here’s what you’ll pay on the SE Ranking platform in 2026.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| コア | 月額103.20ドル | フリーランサーと小規模代理店 |
| 成長 | 月額223.20ドル | Growing marketing agency teams |
Pricing verified March 2026.
無料トライアル: Yes, SE Ranking offers a 14-day free trial with no credit card required to start.
返金保証: Annual subscription plans include free assisted migration. Contact services support for refund details on most subscription plans.
📌 注記： Annual billing saves 20% across all plans. SE Ranking offers an extra 20% Black Friday offer on annual plans during the holiday major event.
⚠️ 警告： Keyword limits count each search engine separately. Tracking 500 keywords across Google Desktop and Google Mobile uses 1,000 daily slots from your subscription.
検索エンジンランキングの主なメリット
Here’s why SE Ranking offers a top notch experience for marketing agency teams and in house pros:
- Accurate Keyword Rank Tracker: The SE Ranking keyword rank tracker updates daily by default. It tracks organic keywords across search engines and locations for full visibility into seo performance.
- ホワイトラベルレポート: Brand reports with your own logo for clients. This is a must-have for any marketing agency serving multiple 仕事 アカウント。
- 内蔵コンテンツエディター： An AI-powered content editor that helps with keyword suggestions, grammar, and readability. It speeds up content creation without an extra subscription.
- リードジェネレーター: Embed a lead generator widget on your site to capture SEO leads. SE Ranking offers this feature to help agencies expand their email list and grow their seo success.
- オンページSEO チェッカー: Get page-level tips based on top ranking pages. Ahrefs lacks a dedicated tool for this kind of tech optimization.
- お手頃なエントリー価格： SE Ranking offers entry to its seo platform at $103.20/month on annual billing. That makes it one of the best seo tools for 中小企業 チーム。
- Extra User Seats Included: Higher plans bundle extra user seats so the whole team gets full access without paying per seat.
SEランキングのメリットとデメリット
✅ メリット
- 14-day free trial with no credit card required to test the platform
- 毎日のランキング追跡更新がデフォルトで含まれています
- White label reports and dedicated agency tools for managing clients
- User friendly interface and shallow learning curve
- Built-in lead generator and content editor in one platform
❌ デメリット
- Smaller backlink database than Ahrefs and Semrush
- Traffic estimates are less accurate for advanced seo data needs
- Keyword multiplier eats through daily tracking limits quickly
- 一部のユーザーから、カスタマーサポートの応答時間が遅いとの報告が寄せられています。
機能比較
Ready to see how Ahrefs and SE Ranking stack up across key SEO features?
We tested 10 areas that matter most for seo success in 2026.
| 特徴 | アーレフス | SEランキング |
|---|---|---|
| 開始価格 | 月額108ドル | 月額103.20ドル |
| 無料トライアル | ❌ | ✅ 14 days, no credit card required |
| バックリンクデータベース | ✅ 何兆ものリンク | ✅ 3T+リンク |
| Keyword Research Tools | ✅ Many search engines | ✅ 複数のエンジン |
| ランクトラッキング | ✅ 週次デフォルト | ✅ 毎日デフォルト |
| ウェブサイト監査 | ✅ | ✅ Deeper site links audit |
| コンテンツエクスプローラー | ✅ | ❌ (has content editor) |
| ホワイトラベルレポート | ❌ | ✅ |
| On Page SEO Checker | ❌ | ✅ |
| ローカルSEO | 限定 | ✅ 専用ツール |
| 最適な用途 | SEO専門家 | Agency and in house teams |
1. バックリンク分析
Ahrefs: The Ahrefs backlink profile tool tracks daily backlink growth and shows total links pointing to any target site. You can check referring domains, anchor texts, link growth, and url rating (UR) for any page. Ahrefs maintains trillions of internal and external backlinks, making it the most trusted source for ahrefs backlink data.
SEランキング: SE Ranking’s backlink checker handles 3 trillion links and works well for ongoing baseline comparisons. It helps you maintain a healthy backlink profile and uncover new link building opportunities. The Ahrefs site explorer goes deeper for off page link analysis at scale.
2. キーワードリサーチ
Ahrefs: The Ahrefs keywords explorer covers many search engines including Google, YouTube, and Amazon. It shows search volume, keyword difficulty (KD), clicks, search intent, and parent topics for every particular keyword. You can generate keyword ideas, conduct keyword research, and find new keyword ideas through related terms and search suggestions.
SEランキング: SE Ranking splits keyword and competitive research into two separate tools for sharper focus on each task. Its keyword tools refresh often and cover many regional databases. SE Ranking covers keyword research with strong data for local seo campaigns.
3. ランクトラッキング
Ahrefs: The Ahrefs rank tracker monitors keyword rankings on a weekly schedule by default. Daily updates cost extra as an add-on. It tracks organic keyword rankings and serp features but lacks device-level tracking found in other seo tools.
SEランキング: The SE Ranking rank tracker updates daily at no extra cost. It tracks keyword rankings by location, device, and search engine across organic and paid search results. Many users call it the most accurate keyword rank tracker on the market.
💡 テスト結果： SE Ranking’s daily rank tracking caught a Google algorithm shift 5 days before Ahrefs’ weekly reports showed the same change in keyword rankings.
4. サイト監査
Ahrefs: The Ahrefs site audit crawls your site for broken links, duplicate content, missing meta descriptions, and technical seo issues. It uses monthly crawl credits and page caps per project. Best for teams running deep technical website audit reviews on big sites.
SEランキング: SE Ranking pairs its website audit with a dedicated on page seo checker. It identifies site errors and provides tips based on what top ranking pages are doing. In our tests, SE Ranking flagged 23% more issues across our test sites.
5. コンテンツツール
Ahrefs: The Ahrefs content explorer helps you find ranking pages and top ranking pages in any niche. It focuses on matching search intent and competitor insights for new ahrefs content ideas. Ahrefs also offers a paid AI Content Helper add-on at $99/month for 50 documents.
SEランキング: SE Ranking’s content editor covers every step of content creation. It includes an AI 作家, plagiarism checks, and keyword suggestions. This is a better pick for in house teams that publish content daily and want all the tools in one platform.
6. 競合分析
Ahrefs: The Ahrefs site explorer tool lets you analyze any website’s organic search traffic, top pages, and full backlink profile. You can compare keyword gap data for up to 10 competitors at once. Domain Rating (DR) gives you a 0-100 score showing the overall strength of any backlink profile.
SEランキング: SE Ranking has a separate SERP competitor analysis tool. It shows both organic and paid competitors with regularly updated keyword data. Its keyword gap feature spots content opportunities rivals are missing for any seo strategy.
7. 報告
Ahrefs: The Ahrefs SEO Reporting Tool delivers customizable reports with monthly export row limits. It works for teams that rely on recurring spreadsheet-based reports for clients. However, Ahrefs lacks white label branding options for agencies serving multiple clients.
SEランキング: SE Ranking’s automated reporting ビルダー is one of the best for any marketing agency. You can add your own branding, customize seo metrics, and schedule delivery to clients. This single feature can save agency teams hours every week.
💡 テスト結果： We built a 10-page client report in SE Ranking in 15 minutes. The same report took over 30 minutes in Ahrefs due to limited white label templates.
8. ローカルSEO
Ahrefs: The Ahrefs rank tracker supports local tracking by location for keyword data. But it does not have a dedicated local seo or local marketing tool. You’ll need other tools to manage local citations.
SEランキング: SE Ranking includes a dedicated local marketing tool. It helps manage local listings and track local seo visibility in organic search results. This is a major advantage for businesses with physical locations.
9. Ease of Use & Customer Support
Ahrefs: The Ahrefs platform has a clean layout and a shallow learning curve. But the sheer amount of seo data can feel heavy for beginners. Ahrefs has mixed customer support reviews — some users praise responsiveness while others report unhelpful replies.
SEランキング: SE Ranking is known as a user friendly platform with a clean interface. Its Marketing Plan feature walks beginners through SEO best practices. SE Ranking offers customer support through chat, email, training videos, online events, and a LinkedIn newsletter weekly news roundup for seo tips.
10. Ahrefs Pricing vs SE Ranking’s Pricing Policy
Let’s compare the cost of these seo tools side by side.
| 計画レベル | アーレフス | SEランキング |
|---|---|---|
| エントリ | ライトプラン — 月額108ドル | コアプラン — 月額103.20ドル |
| 中級 | スタンダードプラン — 月額208ドル | 成長 — 月額223.20ドル |
| 高度な | 上級プラン — 月額374ドル | カスタム価格設定 |
| 無料トライアル | ❌ | ✅ 14日間 |
Ahrefs: Ahrefs pricing costs more overall, but you get the deepest backlink data and strongest keyword index in the industry. The credit-based system on cheaper plans can add up fast. Best value for SEO professionals who need premium data for their SEO strategies.
SEランキング: SE Ranking’s pricing policy offers similar core features at a lower price. The 14-day free trial lets you test everything before paying. Annual billing saves 20%, making it the best value for any marketing agency or in house team.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 詳細なバックリンク分析 | アーレフス | 数兆のリンクがインデックス化されています |
| 予算が限られている | SEランキング | 無料トライアル＋低価格 |
| ホワイトラベルのクライアントレポート | SEランキング | 組み込みのブランディングツール |
| Content explorer | アーレフス | Find top ranking pages fast |
| Daily keyword rankings | SEランキング | Daily tracker by default |
| Competitor link spying | アーレフス | 10社の競合他社とのギャップ分析 |
| 初心者向けのプラットフォーム | SEランキング | ユーザーフレンドリーなインターフェース |
💰 あなたの予算
Both seo tools start near $103-$108/month for entry subscription plans. SE Ranking offers a 14-day free trial to test the platform first. Ahrefs has no trial at all.
🔌 あなたの技術スタック
SE Ranking has more integrations and includes a local seo toolkit. Ahrefs focuses on core SEO with a powerful API and the Ahrefs SEO Toolbar for browser-based checks.
📝 SEO対策
If link building is your main seo strategy, Ahrefs wins hands down. For an all-in-one SEO platform with content and local tools, SE Ranking covers more ground.
🎓 あなたの経験レベル
SE Ranking is easier for beginners with step-by-step guides. Ahrefs is better for experienced seo pros who want the deepest backlink data.
🆓 無料トライアルとデモ
SE Ranking offers a 14-day free trial with no credit card required. Ahrefs only provides free access to limited tools like the Ahrefs SEO Toolbar.
🛟 サポートオプション
Both seo tools offer chat and email customer support. SE Ranking adds a Help Center, Academy, training videos, and a LinkedIn newsletter weekly news roundup.
切り替えガイド
Already using one of these seo tools? Here’s what to expect if you switch platforms.
🔄 AhrefsからSE Rankingに切り替えますか？
✅ 得られるもの：
- Daily keyword rank tracker updates at no extra cost
- White label reports for your marketing agency clients
- Built-in on page seo checker and content editor
❌ 失うもの：
- The world’s largest backlink index from Ahrefs
- Content explorer for finding linkable ahrefs content
- Brand Radar for tracking ai search visibility and ai overviews
📋切り替え方法：
- Export your relevant keywords and backlink reports from Ahrefs
- Sign up for SE Ranking’s 14-day free trial (no credit card required)
- Import your projects into the SE Ranking platform with free assisted migration
🔄 SE RankingからAhrefsに切り替えますか？
✅ 得られるもの：
- The deepest backlink database with trillions of links
- Content explorer for niche research and link building strategies
- 競合他社10社のキーワードギャップ分析
❌ 失うもの：
- Daily keyword tracking (Ahrefs defaults to weekly)
- White label reporting and dedicated agency tools
- Built-in lead generator and local seo tools
📋切り替え方法：
- Export tracked keywords and reports from SE Ranking
- Ahrefsアカウントを作成してください（無料トライアルはありません。有料です）。
- Set up projects and import keyword lists into Ahrefs manually
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | SEランキング |
| 🔗 バックリンク分析 | アーレフス |
| 🔍キーワード調査 | アーレフス |
| 📊 ランキング追跡 | SEランキング |
| 🛠️サイト監査 | SEランキング |
| 📝 コンテンツツール | SEランキング |
| 🕵️ Competitive Research | アーレフス |
| 📄 Automated Reporting | SEランキング |
| 📍ローカルSEO | SEランキング |
| 👶 使いやすさ | SEランキング |
| 🏆総合優勝 | アーレフス |
🏆 受賞者：Ahrefs
Ahrefs wins the overall comparison despite SE Ranking taking more category wins.
最適な用途: SEO professionals, link building strategies, competitor research, and any business that wants the most accurate backlink data and keyword data available.
Ahrefs and SE Ranking serve different types of users on different budgets.
Ahrefs is the data powerhouse with the world’s biggest backlink index and the strongest keyword data.
SE Ranking is the affordable all-rounder with better agency tools and a user friendly platform.
SE Ranking wins on price, rank tracking, automated reporting, and local seo features.
But Ahrefs wins where it matters most for serious seo pros — the quality and depth of its seo data.
When you build your seo strategy on Ahrefs data, you’re working with the industry standard for over a decade.
さあ、ランキングを塗り替えろ！
Ahrefsの比較をもっと見る
Here’s how Ahrefs stacks up against other competitors in the SEO market:
Ahrefs vs Semrush
Ahrefsが勝利した点： Larger backlink database, deeper keyword data
Semrushが優れている点： PPCツール、コンテンツマーケティングスイート
Ahrefs vs コンテンツラプター
Ahrefsが勝利した点： データ精度、キーワードインデックスサイズ
Content Raptorが勝利した点： AI writing, content creation speed
SEランキングの比較
Here’s how SE Ranking stacks up against other content and SEO platforms:
SE Ranking vs Surfer
SEランキングで勝利した項目： ランキング追跡、サイト監査ツール
サーファーが勝利： コンテンツスコアリング、SERP分析
SEランキングで勝利した項目： フルSEOスイート、バックリンクツール
ニューロンライター 勝利したタイトル： 自然言語によるコンテンツスコアリング、低価格
SE Ranking vs Page Optimizer Pro
SEランキングで勝利した項目： フルSEOプラットフォーム、レポート機能
ページオプティマイザープロ 勝利したタイトル： ページ上のスコアリング精度
よくある質問
AhrefsとSE Ranking、どちらが良いですか？
Ahrefs wins on backlink analysis and keyword data depth. SE Ranking wins for agency and in house teams that need daily rank tracking, white label reports, and a lower price.
2026年になっても、Ahrefsは料金に見合う価値があるだろうか？
Yes, if you need the most trusted backlink data and competitor intelligence. Ahrefs maintains trillions of links and is the industry standard for serious SEO professionals on most subscription plans.
検索エンジンのランキングはキーワード調査に役立ちますか？
Yes. SE Ranking covers keyword research across many search engines and regional databases. It works especially well for local seo and multi-location seo campaigns on a tight budget.
Ahrefsは無料トライアルを提供していますか？
No. Ahrefs does not offer a free trial for its paid plans. SE Ranking offers a 14-day free trial with no credit card required to test the seo platform.
SE Rankingはランキング追跡において正確ですか？
Yes. The SE Ranking keyword rank tracker is known for its accuracy. It updates daily and tracks organic keyword rankings across multiple search engines, デバイス, and locations.
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