Domain Summary
レッツ！ナンプレでは無料でナンプレ（数独）パズルが遊べます。問題は毎日10問追加されます。難易度は入門から難問までありますので、自分のレベルに合わせて遊べます。無料のナンプレ（数独）で毎日脳トレ！
| Global rank: | #176828 |
|---|---|
| Daily visitors: | 12.38K |
| Monthly Visits: | 371,436 |
| Pageviews per user: | 3.54 |
| Registrar Abuse Contact Email: | [email protected] |
| Registrant Phone: |
| Rating | |
|---|---|
| TLD: | net |
| IP Address: | 103.3.2.95 |
| Organization: | Xserver Inc. |
| Category: | Games > Puzzles and Brainteasers |
Click here to check amazing レッツ ナンプレ content for Japan. Otherwise, check out these important facts you probably never knew about si-coding.net
レッツ！ナンプレでは無料でナンプレ（数独）パズルが遊べます。問題は毎日10問追加されます。難易度は入門から難問までありますので、自分のレベルに合わせて遊べます。無料のナンプレ（数独）で毎日脳トレ！
si-coding.net is probably legit as the trust score is reasonable. Our algorithm rated si-coding.net a 64. Although our rating of si-coding.net is medium to low risk, we encourage you to always vote as the evaluation of the site is done automatically.
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1Explore the top alternatives and rivals of si-coding.net in April 2025, and assess their data relating to website traffic, SEO, Web Server Information, and Whois. Refer to the list below for the best competitors of si-coding.net, and simply click on each one to delve into their specific details.
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The most popular, fully featured, ad-free Redactle game! Daily puzzles with no ads, multiplayer, device sync, smart word matching and more. Your mission is to unveil the title of the redacted Wikipedia pages in as few guesses as possible. You can also play in Redactle Unlimited mode with no restrictions on the numebr of puzzles you can play every day.
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https://si-coding.net/company.php
運営者情報 - レッツ！. ナンプレ｜無料の数独パズルで毎日脳トレ. 無料でナンプレ（数独）パズルが遊べます。. 問題は毎日10問入れ替わります。. 難易度は入門から難問まで …
https://si-coding.net/20240309/
【入門】ナンプレ問題1 [2024年03月09日]｜レッツ！ナンプレでは無料でナンプレ（数独）パズルが遊べます。問題は毎日10問追加されます。難易度は入門から難問までありますので、自分のレベルに合わせて遊べます。無料のナンプレ（数独）で毎日脳トレ！
https://si-coding.net/20191210/sudoku5.html
【中級】ナンプレ問題5 [2019年12月10日]｜レッツ！ナンプレでは無料でナンプレ（数独）パズルが遊べます。問題は毎日10問追加されます。難易度は入門から難問までありますので、自分のレベルに合わせて遊べます。無料のナンプレ（数独）で毎日脳トレ！
https://www.kurikore.com/id/12850.html
無料で数独（ナンプレ）パズルが遊べます。問題は毎日10問入れ替わります。難易度は入門から難問までありますので、自分のレベルに合わせて遊べます。 by レッツ！数独｜無料のナンプレパズルで毎日脳トレ 日本
https://www.facebook.com/groups/sicoding/
Welcome to the Facebook representation of the University of Michigan School of Information's student-run group for the development and support of technical skills, …
https://si-coding.net/20240215/sudoku2.html
【入門】ナンプレ問題2 [2024年02月15日]｜レッツ！ナンプレでは無料で数字ロジックパズルが遊べます。問題は毎日10問追加されます。難易度は入門から難問までありますので、自分のレベルに合わせて遊べます。無料のナンプレ（数独）で毎日脳トレ！
https://www.semrush.com/website/si-coding.net/overview/
Si-coding.net’s traffic has increased by 10.3% month-on-month up to current organic search traffic. In addition, paid search traffic has dropped by -91.28% down to current …
DNS entries, such as A, NS, MX, and TXT records, are crucial for the functioning of the Internet. The A record maps a domain name to an IPv4 address, while the NS record specifies authoritative name servers for a domain. The MX record identifies the mail server responsible for receiving email messages for a domain. Additionally, the TXT record allows for the association of any text information with a domain name. These records play a vital role in ensuring proper communication and connectivity across the internet.
| Host | Class | TTL | Type | Data | |
| si-coding.net | IN | 3600 | A | ip: 103.3.2.95 | |
| si-coding.net | IN | 3600 | NS | target: ns1.xserver.jp | |
| si-coding.net | IN | 3600 | NS | target: ns4.xserver.jp | |
| si-coding.net | IN | 3600 | NS | target: ns3.xserver.jp | |
| si-coding.net | IN | 3600 | NS | target: ns2.xserver.jp | |
| si-coding.net | IN | 3600 | NS | target: ns5.xserver.jp | |
| si-coding.net | IN | 3600 | SOA | mname: ns1.xserver.jprname: root.xserver.jprefresh: 10800retry: 3600expire: 604800minimum-ttl: 3600 | |
| si-coding.net | IN | 3600 | MX | target: si-coding.net | |
| si-coding.net | IN | 3600 | TXT | txt: v=spf1 +a:sv12094.xserver.jp +a:si-coding.net +mx include:spf.sender.xserver.jp ~all | |
| si-coding.net.net | IN | 300 | AAAA | ||
| si-coding.net.net | IN | 300 | AAAA | ||
| si-coding.net.net | IN | 300 | AAAA |
According to global rankings, si-coding.net holds the position of #176828. It attracts an approximate daily audience of 12.38K visitors, leading to a total of 12494 pageviews. On a monthly basis, the website garners around 371.44K visitors.
Daily Visitors12.38K
Monthly Visits371.44K
Pages per Visit3.54
Visit Duration0:09:59
Bounce Rate36.6% Daily Unique Visitors: | 12381 |
 Monthly Visits: | 371436 |
 Pages per Visit: | 3.54 |
 Daily Pageviews: | 12494 |
 Avg. visit duration: | 0:09:59 |
 Bounce rate: | 36.6% |
 Monthly Visits (SEMrush): | 373892 |
| Sources | Traffic Share |
 Social: | 0.04% |
 Paid Referrals: | 1.03% |
 Mail: | 0.01% |
 Search: | 38.36% |
 Direct: | 60.52% |
| Country | Traffic Share |
 Japan: | 99.76% |
 France: | 0.12% |
 Italy: | 0.08% |
 Romania: | 0.03% |
An SSL certificate is a digital certificate that ensures a secure encrypted connection between a web server and a user's browser. It provides authentication and encryption to keep data private and protected during transmission. si-coding.net supports HTTPS, demonstrating their commitment to providing a secure browsing experience for users.
HTTP headers are additional segments of data exchanged between a client (e.g. a web browser) and a server during an HTTP request or response. They serve to provide instructions, metadata, or control parameters for the interaction between the client and server.
si-coding.net is likely hosted in various data centers located across different regions worldwide. The current data center mentioned is just one of many where the website may be hosted.
WHOIS protocol used to get domain/IP info. Common for reg details, ownership of a domain/IP. Check si-coding.net for reg/admin contact info, owner, org, email, phone, creation, and expiration dates.
| Domain Updated Date: | 2023-08-30 |
| Domain Created Date: | 2010-09-14 |
| Domain Expiry Date: | |
| Domain Name: | |
| Registrar WHOIS Server: | whois.star-domain.jp |
| Registrar Abuse Contact Email: | [email protected] |
| Registrar Abuse Contact Phone: | +81.752568553 |
| Domain Registrar: | Netowl, Inc. |
| Domain Owner: |
Domain Name: SI-CODING.NET
Registry Domain ID: 1615711339_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.star-domain.jp
Registrar URL: http://www.netowl.jp
Updated Date: 2023-08-30T06:12:34Z
Creation Date: 2010-09-14T15:21:46Z
Registry Expiry Date: 2024-09-14T15:21:46Z
Registrar: Netowl, Inc.
Registrar IANA ID: 1557
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +81.752568553
Name Server: NS5.XSERVER.JP
SEO analysis involves examining the performance of a website, including titles, descriptions, keywords, and website speed. It also includes identifying popular keywords and researching competitor websites to understand their strategies. The analysis aims to optimize the website's visibility and improve its ranking on search engines.
Length: 69 characters
Title tags are usually best kept short, within 50-70 characters. It's important to note that search engines will typically read the entire title tag even if it exceeds 70 characters, but there is a chance they may cut it off or disregard it.
Length: 269 characters
What is the issue about?TThe description is too long or too short. Search engine crawlers only show the first 150-160 characters of the description in the search results page, so if a description is too long, searchers may not see all of the text. If a description is too short, the search engines may add text found elsewhere on the page. Note that search engines may show a different description from the one you have authored if they feel it may be more relevant to a user's search.
How to fix?Change the description in the tag in the page source to be between 25 and 160 characters in length.
No meta keywords found.
In the realm of search engine optimization, the meta keywords tag has become a relic of the past due to its potential for misuse, ultimately leading major search engines to disregard it in their ranking algorithms.
| Term | Count | Density |
| reserved | 1 | 20.00% |
| rights | 1 | 20.00% |
| copyright | 1 | 20.00% |
| english | 1 | 20.00% |
| numberplace | 1 | 20.00% |
A crucial factor in search engine optimization is keyword density, which refers to the proportion of a particular keyword present in the text of a webpage. In order to achieve high rankings on search engine results pages, it is essential to maintain the appropriate keyword density for your primary keyword.
| <h1> レッツ！ナンプレ </h1> |
| <h2>ナンプレ問題1 - 入門 - </h2> |
In SEO, the primary focus is placed on keywords within the content. The title of the page holds the highest importance, followed by heading tags such as h1, h2, and h3. The h1 heading should be the largest on the page, while the h2 heading should be slightly smaller, and the h3 heading even smaller. This hierarchical structure is crucial for optimizing search engine rankings.
What is the issue about?The tag does not have an ALT attribute defined. As a general rule, search engines do not interpret the content of image files. The text provided in the
attribute enables the site owner to provide relevant information to the search engine and to the end user. Alt text is helpful to end users if they have images disabled or if the image does not properly load. In addition, the Alt text is utilized by screen readers. Make sure that your Alt text is descriptive and accurately reflects what the image represents and supports the content on the page.
How to fix?Use the <img alt> attribute to write descriptive content for the image: <img source='pic.gif' alt='Accurate and descriptive keyword text that represents the image.' />.
Website speed is a measurement of how fast the content on your page loads. Website speed is one of many factors involved in the discipline of search engine optimization (SEO), but it is not the only one. In a recent study, the average load time for a web page was 3.21s.
| Term | Search Volume | Traffic | Traffic (%) |
| レッツ ナンプレ 難問 | 1300 | 0 | 0% |
| レッツ 数 独 難問 9 | 590 | 0 | 0% |
CoHosted refers to a situation where multiple domain names (websites) are using the same IP address to point to their respective web servers. They could be owned by different individuals or organizations and may serve entirely different purposes.
Total reviews: 2 Average score: 5 stars
The total score is based on reviews found on the following sitesScamadviser: 5/5 stars, 2 reviews
Total reviews: 2 Average score: 5 stars
The total score is based on reviews found on the following sitesScamadviser: 5/5 stars, 2 reviews
Global Rank: 176255
Monthly visits: 277821
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