Doorblog Brand Score: 59/100 - Developing tier

完全無料で豊富な機能のブログサービス

Doorblog (doorblog.jp) earns a Brand Analyzer score of 59 out of 100, placing it in the Developing tier among SaaS brands, Media & Entertainment brands. Among 12358 SaaS brands analyzed, Doorblog ranks in the 11th percentile (category average 69, leader 97). The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark. Dimension scores: Name Quality 91/100, Digital Presence 56/100, Visual Identity 90/100, Messaging Clarity 53/100, Trust Foundation 42/100, AI Discoverability 39/100, Brand Authority 55/100.

AI Snapshot

Doorblog (doorblog.jp) is a free blog creation service based in Japan, operating under the Livedoor Blog platform. It offers a range of features including design customization, access analytics, SNS integration, private posting options, and custom domain support - all at no cost. The service aims to provide an optimal blogging environment for both writers and readers, emphasizing ease of use and a comprehensive feature set.

Key facts about Doorblog

Brand Name	Doorblog
Domain	doorblog.jp
Industry	SaaS, Media & Entertainment
Main Competitors	Ameba Blog, FC2 Blog, Hatena Blog, WordPress.com (96/100), Seesaa Blog

Evidence

Moz Domain Authority 77/100 vs category average 28 / leader 99 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.

Ranked #25,846 on the Tranco list of most-visited sites - strong traffic reinforces the brand's prominence to AI models.

No Wikipedia presence was found - a major gap, since Wikipedia is among the most heavily weighted sources in AI training data.

The homepage meta description reads "ライブドアブログは完全無料で豊富な機能をご利用いただけるブログ作成サービスです。デザインカスタマイズはもちろん、アクセス解析、各SNSとの連携、プライベート機能、独自ドメインなど、充実した機能と使いやすさでみなさまのブログライフを応援します。" (Meta description too short (1 words). OG description present but brief) - this is the summary AI engines are most likely to quote.

Structured data on the homepage: og:description, og:image. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.

AI-crawler access: No robots.txt found (default: all bots allowed, but explicit file preferred) - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.

Social footprint: verified profiles on Instagram; no detected presence on X (Twitter), LinkedIn, Facebook, YouTube, GitHub - consistent profiles reinforce the brand's identity across the web.

0 Reddit mentions - community discussion signals real-world reputation to AI models.

Score breakdown - 7 dimensions

• Name Quality - 91/100
• Digital Presence - 56/100
• Visual Identity - 90/100
• Messaging Clarity - 53/100
• Trust Foundation - 42/100
• AI Discoverability - 39/100
• Brand Authority - 55/100

AI visibility

Doorblog scores 26/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.

Doorblog has a weak AI-visibility profile at 26/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (55/100) and its weakest is visibility (10/100). It benefits from a global traffic rank of #25,846 (Tranco), a Moz Domain Authority of 77/100 and open access for AI crawlers (GPTBot, ClaudeBot, etc.). The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data, no strong Wikidata entry and thin schema.org structured data.

Visibility - 10/100

• Wikipedia presence - 0/40
• Wikidata entity - 0/25
• Web popularity (Tranco) - 10/20
• Reddit visibility - 0/15

Trust - 27/100

• Domain Authority - 23/30
• Backlink trust (spam score) - 0/10
• Schema.org structured data - 0/25
• Knowledge graph anchors (sameAs) - 0/15
• llms.txt convention - 0/10
• Reddit sentiment (heuristic) - 4/10

Recommendation likelihood - 55/100

• robots.txt AI bot permissions - 22/30
• Sitemap.xml presence - 0/10
• Help center / Docs hub - 13/15
• FAQ presence - 0/15
• Category-relative authority - 20/20
• Category leader signals - 0/10

People Also Ask About Doorblog

Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.

Who are Doorblog's main competitors?

Doorblog's main competitors include Ameba Blog, FC2 Blog, Hatena Blog, WordPress.com (50/100), Seesaa Blog. These companies compete in the SaaS space for similar customers, offering comparable products or services.

Sources: Doorblog official site

Doorblog vs WordPress.com: how do they compare?

Doorblog and WordPress.com are competitors in SaaS. Brand Analyzer scores Doorblog at 59/100 and WordPress.com at 50/100. They target overlapping audiences; the right choice depends on your specific needs and priorities.

Sources: Doorblog official site

What are the best alternatives to Doorblog?

Popular alternatives to Doorblog include Ameba Blog, FC2 Blog, Hatena Blog, WordPress.com (50/100), Seesaa Blog. Each is an established option in the SaaS space; the best fit depends on your specific needs, budget, and required features.

Sources: Doorblog official site

What products or services does Doorblog offer?

Doorblog offers a free blog creation and hosting platform that includes design customization tools, access analytics, integration with social networking services (SNS), private posting functionality, and custom domain support. These features are provided at no charge to users, positioning the service as an all-in-one blogging solution.

Sources: Doorblog official site

How visible is Doorblog in AI search?

Doorblog has limited AI-search visibility, scoring 26/100 on Brand Analyzer's AI visibility composite (visibility 10, trust 27, recommendation 55). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.

Sources: Doorblog official site

What does Doorblog do?

Doorblog provides a completely free blog creation and hosting service. It enables users to create and publish blogs with features such as design customization, access analytics, integration with various social networking services (SNS), private posting functionality, and support for custom domains. The platform aims to make blogging accessible and feature-rich without any cost to the user.

Sources: Doorblog official site

Does ChatGPT recommend Doorblog?

Doorblog scores 55/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest SaaS options. Recommendation depends on crawlability, structured data, and category authority.

Sources: Doorblog official site

What is Doorblog?

Doorblog is a free Japanese blog creation service, associated with the Livedoor Blog platform (ライブドアブログ). It is categorized under SaaS and Media & Entertainment, and is designed to support both blog writers and their readers by providing a comprehensive and user-friendly blogging environment.

Sources: Doorblog official site

How can Doorblog improve its AI discoverability?

Doorblog can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.

Sources: Doorblog official site

Who uses Doorblog?

According to the known facts, Doorblog targets two primary groups: people who write blogs (ブログを書く人々) and their readers (その読者). The service is designed to meet the needs of both content creators seeking robust blogging tools and audiences who consume that content.

Sources: Doorblog official site

What is Doorblog known for?

Doorblog is known for offering a fully free blogging service with a rich set of features, including design customization, access analytics, SNS integration, private content options, and custom domain support. It is also recognized for its mission to serve both blog writers and readers, aiming to deliver the best possible blogging environment to its users.

Sources: Doorblog official site

Recommendations

• Set up professional email - Use your company domain for email (e.g., hello@yourbrand.com) instead of Gmail/Yahoo. This significantly boosts credibility. (impact: high, effort: quick_win)
• Improve meta descriptions for AI - Write clear, concise meta and Open Graph descriptions that answer 'what does this company do?' in 10-30 words. AI systems rely heavily on these to summarize your brand. (impact: high, effort: quick_win)
• Add structured data and Open Graph tags - Add JSON-LD structured data (Organization, FAQ schemas) and complete Open Graph tags (og:title, og:description, og:image, og:type). This helps AI systems and social platforms accurately represent your brand. (impact: high, effort: moderate)
• Establish your social media presence - Create profiles on major platforms (LinkedIn, X, Instagram, Facebook, YouTube) using a consistent handle derived from your brand name. Link to them from your website footer. (impact: medium, effort: quick_win)
• Add a sitemap.xml - Create and publish a sitemap.xml file to help both search engines and AI crawlers discover all your important pages. (impact: medium, effort: quick_win)

Peer brands

Ranked closest to Doorblog: Zextras (59/100), DocPlix (59/100), Dragonforms (59/100), DrCloudEHR (59/100).

A step up - brands to learn from: ZyG (71/100), Zuant (71/100).

Category leader: Accenture (97/100).