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R

rextester.com

Registered
Screenshot rextester.com
Website screenshot

About the projectRextester is an online platform that allows you to compile and run code directly in your browser. The project is positioned as a tool for those who want to try it for fre...

Page analyze update date: 2026/04/01 09:49:37
Last whois update date: 2026/03/30 15:03:04
Domain Status
Registered
Paid till
31.03.2027
Available from
30.04.2027

Website Description

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About the project

Rextester is an online platform that allows you to compile and run code directly in your browser. The project is positioned as a tool for those who want to try it for free, offering a seven-day trial period for extended access. The main specialization of the service is focused on the C language, which is confirmed by the frequent mention of requests like compile c online in the titles and descriptions.

Users gain access to the development environment without the need to install local software. As an example of how the system works, a standard C code template is given that displays the message Hello, world!. This is a basic test to show that the environment is ready to accept user input.

Main directions

The site supports a wide range of programming languages ​​and runtime environments. The list includes both classic solutions and modern tools:

  • Languages:Ada, Assembly, Bash, C, C++ (with gcc, clang and vc++ support), C (gcc, clang, vc), Client Side, Clojure, Common Lisp, D, Elixir, Erlang, F, Fortran, Go, Haskell, Java, Javascript, Kotlin, Lua, MySql, Node. js, Ocaml, Octave, Objective-C, Oracle, Pascal, Perl, Php, PostgreSQL, Prolog, Python, Python 3, R, Rust, Ruby, Scala, Scheme, Sql Server, Swift, Tcl, Visual Basic.
  • Compilers:For C, Microsoft (R) Visual C Compiler version 4.8.0-7 is used. 25056. 18. This indicates the use of current tools from Microsoft Corporation.

In addition to the code itself, the system allows you to control its display. Two layout options are available: vertical and horizontal, which is convenient for different types of tasks and screen sizes.

Features of the site

The service interface offers several functional blocks. The user can run code, access an API, or view a Code Wall - likely a collection of examples or solutions from the community. There are also sections for customizing the theme, managing privacy, and logging in.

During the compilation process, the system displays detailed information about the tool version and copyright. For example, when you run the code, you see a line with the compiler version and a Microsoft copyright notice. Additionally, options are available to view compiler warnings and enter user input before running the script.

The code structure in the editor is numbered, which makes it easier to navigate through the lines. The base template includes the standard namespaces: System, System. Collections. Generic, System. Linq and System. Text. RegularExpressions, which indicates that the environment is ready to work with typical C tasks.

FAQ

What programming languages ​​are supported?

The site supports more than 40 languages, including C, Java, Python, JavaScript, Go, Rust and many others, as well as various implementations of C++ and C.

Is it possible to use the service for free?

Yes, you can try the service for free, including a seven-day trial period.

Which compiler is used for C?

For the C language, Microsoft (R) Visual C Compiler version 4.8.0-7 is used. 25056. 18.

Is it possible to customize the appearance of the editor?

Users can choose between a vertical and horizontal layout for displaying code.

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SEO Score
50%
73
Score achieved
146
Maximum score

Main Information

ℹ️
Title: compile c# online
Description: compile c# online
Keywords: compile c# online
Page Encoding: utf-8
Page Filesize: 280 KB

Server Information

🖥️
IP: 188.114.96.3
Location: ,,,,,,
Http Server: cloudflare
Encoding: utf-8
Powered by: asp.net

Meta Tags List

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Internal Links

🔗

External Links

🌐

Whois Information

📄
domain_name: rextester.com
update_date: 2026-03-30T09:46:43Z
update_time: 1774864003
creation_date: 2011-03-31T14:59:22Z
creation_time: 1301583562
expiration_date: 2027-03-31T14:59:22Z

Whois Raw Data

📋
            Domain Name: REXTESTER.COM
Registrar: Netregistry Wholesale Pty Ltd
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Creation Date: 2011-03-31T14:59:22Z
Registry Expiry Date: 2027-03-31T14:59:22Z
Updated Date: 2026-03-30T09:46:43Z
Name Server: HARLEIGH.NS.CLOUDFLARE.COM
Name Server: WESTON.NS.CLOUDFLARE.COM
REGISTRAR Contact: Netregistry Wholesale Pty Ltd
>>> Last update of RDAP database: 2026-03-30T15:03:04Z

Robots.txt

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			# As a condition of accessing this website, you agree to abide by the following
# content signals:

# (a)  If a Content-Signal = yes, you may collect content for the corresponding
#      use.
# (b)  If a Content-Signal = no, you may not collect content for the
#      corresponding use.
# (c)  If the website operator does not include a Content-Signal for a
#      corresponding use, the website operator neither grants nor restricts
#      permission via Content-Signal with respect to the corresponding use.

# The content signals and their meanings are:

# search:   building a search index and providing search results (e.g., returning
#           hyperlinks and short excerpts from your website's contents). Search does not
#           include providing AI-generated search summaries.
# ai-input: inputting content into one or more AI models (e.g., retrieval
#           augmented generation, grounding, or other real-time taking of content for
#           generative AI search answers).
# ai-train: training or fine-tuning AI models.

# ANY RESTRICTIONS EXPRESSED VIA CONTENT SIGNALS ARE EXPRESS RESERVATIONS OF
# RIGHTS UNDER ARTICLE 4 OF THE EUROPEAN UNION DIRECTIVE 2019/790 ON COPYRIGHT
# AND RELATED RIGHTS IN THE DIGITAL SINGLE MARKET.

# BEGIN Cloudflare Managed content

User-agent: *
Content-Signal: search=yes,ai-train=no
Allow: /

User-agent: Amazonbot
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: CloudflareBrowserRenderingCrawler
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: meta-externalagent
Disallow: /

# END Cloudflare Managed Content

        

SEO Audit

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Technical SEO

Response Code
200
Status 200 OK - page loads correctly.
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
Page Size
286853 bytes
Page size acceptable for fast loading.
Resources
3 total
Optimal number of resources.
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
Robots.txt
Exists
Robots.txt file found.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
HTTPS
Yes
Secure HTTPS connection enabled.
Compression
zstd
Gzip or Zstd compression enabled for faster loading.
Caching
private
Cache-control headers properly set.
Page Speed
0.48 ms
Excellent loading speed.

On-Page SEO

!
Title
compile c# online
Title too short. Expand to 30-60 characters for better SEO.
!
Meta Description
compile c# online Lenght:17
Meta description too short. Expand to 100-160 characters.
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
!
Word Count
144
Content very short. Aim for at least 500 words for better SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
Duplicate Meta
[]
No duplicate meta tags found.
Keywords
compile c# online
Meta keywords set (note: not used by major search engines).

Content and UX

!
Language
Add lang attribute to tag for accessibility and SEO.
Images
0 total, 0 missing ALT
All images have proper ALT text.
!
Viewport
Add viewport meta tag for mobile responsiveness.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.

Positions in Google

Search Phrases - Google

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Position Phrase Page Snippet
5(-3)две цифры рядом/discussion/TUZ68803...
7a x 4 решение/discussion/YZUJW618...
7ax b/discussion/YZUJW618...
7вычислите произведение/discussion/VXCM7243...
8(+3)сумма цифр в строке/discussion/NERNSW25...
8паскаль онлайн/l/pascal_online_com...
8си шарп онлайн/
8var k integer/discussion/GMI54487...
9(-4)рядом стоящие цифры/TUZ68803
9паскаль онлайн программа/l/pascal_online_com...

Additional Services

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