렌탈 서버 용량: 실수 없이 고르는 방법과 원활한 사이트 운영에 중요한 이유
서버를 빌릴 때 CPU나 메모리 같은 여러 사양을 비교하다가 “용량”이라는 항목에서 멈추게 되지는 않나요? 렌탈 서버를 처음 다룬다면, 어느 정도 용량이 필요한지조차 감이 오지 않고, 애초에 어떤 종류의 용량인지도 잘 모를 수 있습니다.
In this article, I take an in-depth look at rental server capacity. Along with points to watch when starting a WordPress blog, I will help you choose the best plan. After reading this article, you should understand rental server capacity and be able to choose a plan with confidence.
렌탈 서버 용량이란 정확히 무엇이며, 무엇을 저장하는가?
Put simply, rental server capacity is the amount of space available for storing your website's data. Specifically, it stores the following kinds of data.
- Website files: all files needed to display the site, such as HTML, CSS, JavaScript, images, and videos
- Databases: store dynamic content such as blog posts, user information, and product information
- Email data: if you use email accounts, your sent and received emails and attachments
- Log files: server access logs, error logs, and similar records
- Backup data: backups of your website data
이 모든 데이터는 서버 용량을 소비합니다. 용량이 부족해지면 새 콘텐츠를 추가할 수 없게 되고, 사이트가 느려지며, 최악의 경우 사이트가 다운될 수도 있습니다.
적절한 서버 용량을 고르는 3단계
그렇다면 적절한 용량은 어떻게 골라야 할까요? 다음 세 단계를 차례대로 생각해 보세요.
STEP 1: 웹사이트 종류를 생각하기 (WordPress 기준)
필요한 용량은 웹사이트 종류에 따라 크게 달라집니다. WordPress 블로그를 시작한다면 다음 포인트를 고려하세요.
- Blog size: whether it is a small personal blog or a large blog run by multiple people.
- Content type: whether it is mainly text or uses many images and videos.
- Number of plugins: many plugins consume capacity.
- Theme weight: depending on the theme you use, it may put pressure on your capacity.
대략적인 기준으로는,
- Small blog (mainly text, few images): 5GB to 10GB
- Medium blog (many images, multiple plugins): 10GB to 20GB
- Large blog (including videos, many plugins): 20GB to 50GB or more
정도를 기준으로 생각해 두면 좋습니다.
★ Master WordPress Plugins and Power Up Your Site: A Thorough Guide for Beginners
STEP 2: 앞으로의 성장 규모를 예상하기
웹사이트는 만들고 끝나는 것이 아닙니다. 콘텐츠가 늘고 트래픽이 증가하면 필요한 용량도 함께 커집니다.
Assume what things will look like at least one year from now, and choose capacity with some room to spare. You can add more capacity later, but considering the trouble of changing plans, it is smoother to choose a slightly larger plan from the beginning.
WordPress의 경우 시간이 지나면서 글 수, 이미지, 동영상 수가 늘어날 것을 전제로 생각해 두는 것이 중요합니다.
STEP 3: 구체적인 수치로 계산하기
위 두 단계를 바탕으로 구체적인 숫자로 계산해 보세요. 예를 들어 다음과 같이 가늠할 수 있습니다.
- 페이지 하나의 텍스트: 약 1KB
- 이미지 하나: 약 1MB (고해상도 이미지는 더 커질 수 있음)
- 동영상 1분: 약 100MB (품질과 형식에 따라 크게 달라짐)
WordPress에서는 테마와 플러그인 용량도 고려해야 합니다. 이들만으로도 수십 MB에서 수백 MB에 이를 수 있습니다.
무제한 용량 플랜의 장점과 주의점 (WordPress 기준)
WordPress 블로그를 시작할 때 무제한 용량 플랜은 매우 매력적으로 보일 수 있습니다. 하지만 앞서 설명한 것처럼 주의할 점도 있습니다.
- Watch the database size: because WordPress stores posts, settings, and other data in a database, even with unlimited capacity you may still run into database size limits.
- Backup storage: just because capacity is unlimited does not mean you can store unlimited backups. Check the backup storage limit and retention period.
★ What Is a Database? An Essential Management System for WordPress
서버 용량 부족이 일으키는 심각한 문제: 구체적 영향과 대책
1. 콘텐츠를 더 이상 추가할 수 없다
When capacity is full, you can no longer add new content. This is a serious problem that gets in the way of website growth.
- You can no longer upload images or videos: images and videos are important elements that make a website attractive, but once capacity runs short, they can no longer be uploaded. In WordPress, you will get errors when trying to upload files to the media library, and you will no longer be able to add new images or videos.
- You can no longer create or update posts and pages: text content also uses storage space. When capacity runs short, you may no longer be able to create new posts or pages, or even update existing ones.
- You can no longer register products (in the case of an e-commerce site): on an e-commerce site, product information and images are the lifeblood of the business. Lack of capacity can prevent you from adding new products or updating existing ones, seriously affecting the business.
Countermeasure: move to a larger plan, delete unnecessary files, and optimize images (for example, through compression).
2. 웹사이트 표시 속도 저하: 사용자 경험 악화
Lack of capacity can also lead to slower website display speed. If display speed becomes slow, the user experience deteriorates and SEO is negatively affected as well.
- Increased server load: when capacity becomes tight, the load on the server increases and processing speed drops. As a result, page loading time gets longer, which means making users wait.
- Performance drops during traffic spikes: if the server is already short on capacity during periods of concentrated traffic, it can become overloaded, making the website extremely slow or, in the worst case, causing it to go down.
- Negative effect on SEO: search engines such as Google take page loading speed into account as a ranking factor. A slow website may drop in search rankings, which can lead to fewer visitors.
Countermeasure: use measures such as cache plugins, image optimization, and CDNs to improve display speed. You may also need to consider switching to a server plan that matches your traffic volume.
★ How Fast Is It? Comparing 15 Rental Servers in a Speed Ranking
3. 메일 송수신 중단: 업무 커뮤니케이션이 막힌다
Email data also consumes server capacity. When capacity runs short, you may no longer be able to send or receive email, which interferes with business communication.
- You can no longer receive email: when the inbox reaches its capacity limit, new email can no longer be received. You may miss important communication or fail to respond to customer inquiries.
- You can no longer send email: sent mail and drafts also consume capacity. Once capacity runs short, you may no longer be able to send email, which can lead to lost business opportunities.
Countermeasure: delete unnecessary emails, save email data locally, and consider using an external mail service.
4. 웹사이트 다운: 비즈니스가 멈춘다
If lack of capacity becomes serious, in the worst case the website may go down and become inaccessible. This means business operations are effectively stopped and can lead to major losses.
- Excessive load on the server: traffic concentration while the server is already short on capacity can put excessive load on the server and cause system crashes.
- Recovery may take time: if the server goes down, recovery work may take time and the website may remain inaccessible for a long period.
Countermeasure: thoroughly implement measures that ensure stable operation, such as monitoring server resources, analyzing access logs, and choosing an appropriate server plan. Regular backups are also important.
용량 부족은 웹사이트 운영에 심각한 영향을 줍니다. 이런 문제를 피하려면 적절한 용량의 서버 플랜을 선택하고, 사이트의 용량 사용량을 정기적으로 점검하는 것이 중요합니다. 또한 실제로 용량이 부족해졌을 때 어떻게 대응할지도 미리 생각해 두어야 합니다.
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용량별 추천 렌탈 서버
30GB: Little Server
“Little Server” is a low-cost rental server. Excluding free servers, it is one of the lowest-priced rental servers for personal use. Even so, it uses NVMe SSDs to improve speed.
2025년 9월 30일까지 초기 비용 없음, Little Plan 서버 요금 20% 할인, 20일 무료 체험
| Server type | Shared server |
| Display speed (TTFB) | 200ms |
| Recommended plan and contract term | Mini, 12 months |
| Trial / refund guarantee | 20-day free trial |
| Monthly fee (12-month contract) | 165 yen |
| Initial administrative fee | 920 yen |
| Free domain | None |
| Support | Email (business hours not disclosed) |
| Uptime | Not disclosed |
| Server capacity | 20GB |
| Number of databases | 3 |
| Security measures | IMP |
| SSL | Free SSL, dedicated SSL (Little Plan and above) |
| Backup / restore | 7 days of automatic backups free of charge, restore free of charge |
| Number of email accounts | Unlimited |
| Email security measures | Spam filter |
| Server / website migration service | None |
| WordPress pre-installation | Yes |
| CDN | None |
*Mini 플랜 기준
If you want to keep the price down while securing the minimum necessary capacity, Little Server is recommended. Even the lowest-priced plan gives you 30GB. Even if you upgrade, the monthly fee stays within a few hundred yen, so if you start worrying about lack of capacity, upgrade proactively.
★ Little Server Reviews and How to Start WordPress on an Affordable Hosting Service
300GB: ConoHa WING
“ConoHa WING” is a high-speed server from GMO Internet Group, whose number of users has been rapidly increasing, and it is a service our company also uses. Because WordPress comes pre-installed when you sign up for the server, anyone can get started easily. It strikes a good balance between cost and performance, and we use it as well.
2025년 8월 5일까지 서버 요금 최대 53% 할인, 도메인 2개 영구 무료, 첫 달 무료
| Server type | Shared server |
| Display speed (TTFB) | 160ms |
| Recommended plan and contract term | Basic, 12 months |
| Trial / refund guarantee | First month free |
| Monthly fee (12-month contract) | 971 yen |
| Initial administrative fee | Free |
| Free domains | Two free forever |
| Support | Phone, email, and chat (weekdays 10:00-18:00) |
| Uptime | 99.99% guaranteed |
| Server capacity | 300GB |
| Number of databases | Unlimited |
| Security measures | WAF / directory access restrictions / IP access restrictions / vulnerability diagnosis (Net de Diagnosis) / spam comment and trackback restrictions / overseas comment and trackback restrictions / overseas access restrictions |
| SSL | Free SSL / Alpha SSL / Quick Authentication SSL / Company Authentication SSL / EV SSSL |
| Backup / restore | 14 days of automatic backups / restore free of charge |
| Number of email accounts | Unlimited |
| Email security measures | Virus checking / spam filters |
| Server / website migration service | WordPress migration service from 7,678 yen Free migration tool available |
| WordPress pre-installation | Yes |
| CDN | None |
If you want enough capacity even as an individual, choose ConoHa WING. Even the lowest-priced plan gives you 300GB, so running WordPress is no problem at all.
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600GB: Sakura Rental Server
“Sakura Rental Server” is a shared server from Sakura Internet Inc. The company also offers managed servers. It has a good balance of performance, service, and price, so it is recommended for any corporation. Because it includes a certain amount of free CDN use depending on the plan, it can provide comfortable communications.
14-day free trial
| Server type | Shared server |
| Display speed (TTFB) | 440ms |
| Recommended plan and contract term | Standard, 12 months |
| Trial / refund guarantee | 14-day free trial |
| Monthly fee (12-month contract) | 550 yen |
| Initial administrative fee | Free |
| Free domain | None |
| Support | Business hours: 10:00-18:00 Phone callback reservations, chat, and email (reply the same day or the next business day) |
| Uptime | 99.99% |
| Server capacity | 300GB |
| Number of databases | Unlimited |
| Security measures | Website defacement notifications (paid), WAF, overseas IP address filters, prevention of unauthorized relaying, encryption, |
| SSL | Free shared SSL, dedicated SSL |
| Backup / restore | Eight generations of backups free of charge, restore free of charge |
| Number of email accounts | Unlimited |
| Email security measures | POP3, IMAP4, virus checking, simple spam filter, advanced spam filter |
| WordPress pre-installation | None |
| Server / website migration service | None |
| CDN | 100GB per month free |
기업이라면 서버 용량이 더 넉넉한 편이 안심됩니다. Sakura Rental Server는 Standard 플랜 300GB, Business 플랜 600GB로 넉넉한 용량을 제공합니다.
무제한 용량: mixhost
“ mixhost” is a high-speed rental server from Az Pocket Co., Ltd., headquartered in Osaka. It can deliver content from servers located in San Jose on the west coast of the United States. Although it is an overseas server, the company is based in Japan, so you still get complete Japanese-language support.
2025년 9월 10일까지 최초 계약 25% 할인, 500GB 클라우드 스토리지 1년 무료, 30일 환불 보장
| Server type | Shared server / dedicated cloud server |
| Display speed (TTFB) | 150ms |
| Recommended plan and contract term | Shared server Light, 12 months |
| Trial / refund guarantee | 30-day money-back guarantee |
| Monthly fee (12-month contract) | 594 yen |
| Initial administrative fee | Free |
| Free domain | One free forever |
| Support | |
| Uptime | 99.99% guaranteed |
| Server capacity | 100GB |
| Number of databases | Unlimited |
| Security measures | WAF / DDo attack protection / malware detection and removal |
| SSL | Free dedicated SSL |
| Backup / restore | Automatic backups for 14 days on the Standard plan and above |
| Number of email accounts | Unlimited |
| Email security measures | — |
| WordPress pre-installation | Yes |
| Server / website migration service | 10,890 yen |
| CDN | None |
| Data center | San Jose, U.S. West Coast |
If you want to use a server with unlimited capacity, choose mixhost. Not only is the capacity unlimited, but the data transfer is also unlimited, so it offers excellent scalability.
★ mixhost Reviews and How to Start WordPress with Peace of Mind Thanks to Elevent Nines Backup
정리: 적절한 용량을 골라 WordPress 블로그를 원활하게 운영하자
Rental server capacity has a major effect on the stability and growth of a website. Use the steps introduced in this article to choose the capacity that best fits your WordPress blog and achieve smooth blog operation.
필요하다면 서버 관리자에게 상담을 요청하는 것도 좋은 방법입니다. 무제한 용량 플랜을 고를 때도 장점과 주의점을 충분히 이해한 뒤 결정하는 것이 중요합니다.