Domain Summary

redblobgames.com

interactive tutorials for math and algorithms

Red Blob Games

Global rank: #335274
Daily visitors: 5.86K
Monthly Visits: 175,698
Pageviews per user: 1.85
Registrar Abuse Contact Email: [email protected]
Registrant Phone: +33.170377666
Rating
TLD: com
IP Address: 34.198.241.65
Organization: Amazon Technologies Inc.
Category:
redblobgames.com Icon
redblobgames.com
Last Status:
Online
Last Updated: 9 day ago
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About Website

Click here to check amazing redblobgames content for United States. Otherwise, check out these important facts you probably never knew about redblobgames.com

interactive tutorials for math and algorithms

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redblobgames.com Trust Score

redblobgames.com is probably legit as the trust score is reasonable. Our algorithm rated redblobgames.com a 96. Although our rating of redblobgames.com is medium to low risk, we encourage you to always vote as the evaluation of the site is done automatically.

The trust rating is high. Might be safe.
Trustscore
96 / 100

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Which Sites are Alternatives & Competitors to redblobgames.com?

Explore the top alternatives and rivals of redblobgames.com in November 2024, and assess their data relating to website traffic, SEO, Web Server Information, and Whois. Refer to the list below for the best competitors of redblobgames.com, and simply click on each one to delve into their specific details.

Mentioned on Their Website:

  • github.com
    Create hex grids easily, in node or the browser. - GitHub

    https://github.com/flauwekeul/honeycomb

    Basic example. Create a rectangular grid of 10 by 10 hexes and log each hex: import { defineHex, Grid, rectangle } from 'honeycomb-grid' // 1. Create a hex class: const Tile = defineHex({ dimensions: 30 }) // 2. Create a grid by passing the class and a "traverser" for a rectangular-shaped grid: const grid = new Grid(Tile, rectangle({ width: 10 ...

  • simblob.blogspot.com
    Blobs in Games - Blogger

    https://simblob.blogspot.com/

    Jobs table implementation for r/roguelikedev project # Thursday, November 02, 2023. In the last post I mentioned that while working on my colony simulator game for the r/roguelikedev summer event, I ran into a situation where my data structures made me unhappy. I was implementing a job system, where a colonist would keep track of what …

  • redblobgames.com
    Draggable objects - Red Blob Games

    https://www.redblobgames.com/making-of/draggable/

    Drag me. Drag the circle with mouse or touch. This is the simple model in my head: However it’s not so simple! Mouses have multiple buttons. Touch events can …

  • redblobgames.com
    Island shaping functions - redblobgames.com

    https://www.redblobgames.com/maps/terrain-from-noise/islands.html

    The Input reshaping function ignores the distance, and preserves the original noise. It doesn’t make an island. The Flat reshaping function forces an island, but ignores the noise. These two are included only for completeness. They are the two extremes. Linear conversion is the average of Input and Flat.

  • blog.lthero.cn
    [Python] 【A*/A star】启发式路径搜索算法 | lthero

    https://blog.lthero.cn/2021/07/20/2021-07-20-python-[a-a-star]%E5%90%AF%E5%8F%91%E5%BC%8F%E8%B7%AF%E5%BE%84%E6%90%9C%E7%B4%A2%E7%AE%97%E6%B3%95/

    版权声明: 本博客所有文章除特别声明外,均采用 CC BY-NC-SA 4.0 许可协议。 转载请注明来自 lthero!

  • redblobgames.com
    Dual Mesh library v3 - redblobgames.com

    https://www.redblobgames.com/x/2312-dual-mesh/

    The ghost elements are invisible elements of the dual mesh that provide the connectivity that nulls would complicate. Only the solid (non-ghost) elements are usually drawn, although it depends on context. The ghost region can be thought of as the “outside” of the map, or a region at “infinity” or the “back” of the map.

  • redblobgames.com
    Planetary Dungeon - Red Blob Games

    https://www.redblobgames.com/x/1939-planetary-dungeon/

    Planetary Dungeon. 26 Sep 2019. This is a continuation of last week’s project to cover a sphere in a square grid. The main idea is to build an infinitely scrollable but finite dungeon by placing it on the surface of a planet. But how do I put a square grid on a sphere?

  • redblobgames.com
    Implementation of A* - Red Blob Games

    https://www.redblobgames.com/pathfinding/a-star/implementation.html

    Implementation of A*. Jul 2014, then Feb 2016, Nov 2018, Oct 2020. This article is a companion guide to my introduction to A*, where I explain how the algorithms …

  • redblobgames.com
    Red Blob Games: Responsive design

    https://www.redblobgames.com/making-of/responsive-design/

    It's a piecewise linear function. The @media rules are breakpoints: at a certain browser width, they apply a new set of CSS rules.At 1000px, both the min-width:1000px and min-width:550px rules apply, but the last definition is what the browser will use.. In the first segment (up to 550px), 100vw - 36px, the 100vw represents the slope of the line. 100vw …

  • blog.csdn.net
    A* 算法简介 from Red Blob Games (译文) - CSDN博客

    https://blog.csdn.net/jiesunliu3215/article/details/122434041

    文章浏览阅读1.2k次,点赞4次,收藏9次。在游戏中,我们经常想找到从一个位置到另一个位置的路径。我们不仅试图找到最短的距离;我们还想考虑旅行时间。移动 blob(起点)和交叉点(终点)以查看最短路径。为了找到这条路径,我们可以使用图形搜索算法,该算法在地图表示为图形时起作用。

  • redblobgames.com
    Grid parts and relationships - Red Blob Games

    https://www.redblobgames.com/grids/parts/

    face edge vertex. This guide will show coordinate systems for tiles (faces), vertices (corners), and edges for square, hexagon, and triangle grids. There are …

  • reddit.com
    Red Blob Games: Alternative to Voronoi Layouts : r/gamedev

    https://www.reddit.com/r/gamedev/comments/6e7t7i/red_blob_games_alternative_to_voronoi_layouts/

    In my images, green/gray/black are delauney triangles, red are voronoi edges. The image may be slightley skewed due to the 3D-Perspective-Camera. Not only is the (red) polygon in the bottom left concave, it also does not contain its corresponding seed point. However you stated the latter as one desired property of yours.

  • silvergames.com
    Red Ball - Play Online on SilverGames ️

    https://www.silvergames.com/en/red-ball

    Red Ball is a fun-addicting platform game that you can enjoy online and for free on Silvergames.com whenever you want. Control the round smiling red ball through lots of …

  • github.com
    redblobgames (Amit Patel) · GitHub

    https://github.com/redblobgames

    Amit Patel redblobgames. Amit Patel. redblobgames. Follow. I work on explorable explanations (interactive tutorials) for algorithms, using examples from computer games. 947 followers · 10 following.

  • redblobgames.com
    Line drawing on a grid - Red Blob Games

    https://www.redblobgames.com/grids/line-drawing/

    On a grid map, line drawing is useful for for visibility, the path of an arrow/bullet, and enemy AI. I sometimes see people adapting the Bresenham line …

  • redblobgames.com
    Terrain generation with sine waves - Red Blob Games

    https://www.redblobgames.com/x/1733-sine-wave-terrain/

    I often use Perlin/Simplex noise to generate terrain. A few years ago I played around with terrain generating using the Fourier transform. With Perlin/Simplex noise I use several “octaves”, each with its own amplitude. That’s 4 to 8 amplitude parameters. The Fourier transform lets you specify all amplitudes. In the demo I wrote, …

  • redblobgames.com
    Hunar Alife Simulation - Red Blob Games

    https://www.redblobgames.com/x/2234-hunar-alife-simulation/

    If the goal is artificial life simulation, I’d want to use some force that depends on distance, like 1/d² (gravity, electromagnetism in a 3d world), 1/d (gravity or electromagnetism in a 2d world), Van der Waals forces. which is the force between molecules. The interesting thing with Lennard-Jones is that at close distances it pushes ...

  • redblobgames.com
    Rounded cell painter - Red Blob Games

    https://www.redblobgames.com/x/1825-rounded-cell-painter/

    Compare the owners of the neighboring two regions with the current region (owned by A): Case 1: The two neighbors are both owned by us. Draw no border, and use a regular polygon fill. Case 2a: The two neighbors have the same owner B, but not owned by us. Draw a curve, and use a curved region fill. This leaves a gap to be filled in with color B.

  • redbubble.com
    Awesome products designed by independent artists | Redbubble

    https://www.redbubble.com/

    Featured artists. Over 700,000 creatives worldwide making things like shirts, stickers, phone cases, and pillows weirdly meaningful. Find your thing or open your own shop.

  • redblobgames.com
    Draggable objects - Red Blob Games

    https://www.redblobgames.com/x/1845-draggable/

    On many of my pages I want to drag objects around. I use d3.drag for this when I’m using d3.js. Examples: Making-of curved-paths page [1]: I use d3.drag for moving points around; Making-of line-drawing page [2]: I use d3.drag for moving points around and also for making numbers “scrubbable”; Sometimes though I’m not using d3.js.

  • redblobgames.com
    Pathfinding pages (internal) - Red Blob Games

    https://www.redblobgames.com/pathfinding/

    All-pairs for finding choke points (done) - calculating paths from all points to all other points, then analyzing the map to count how often each tile is used in a path, …

  • github.com
    GitHub - DigitalMachinist/HexGrid: A logical hex-grid …

    https://github.com/DigitalMachinist/HexGrid

    This is a library designed to make computing hexagonal grid geometry straightforward and to enable a broad category of operations to get collections of hexes in various configurations surrounding or in relating to a given hex.

  • github.com
    A* (AStar) Path Planning Algorithm - GitHub

    https://github.com/BlackMagicAI/AStar

    Java and Python implementations of the A* (A Star) path planning algorithm. Includes example test driver command line program. - BlackMagicAI/AStar

  • redblobgames.com
    Little Design Things - redblobgames.com

    https://www.redblobgames.com/making-of/little-things/

    Here I have an unorganized collection of "little things" about my interactive diagram design. I am using this as a reference for myself, so that when I write a new page I can look through things I've done previously. I have previously listed a few of these in my interactive tutorial about how to make interactive tutorials. 1. Visuals.

  • redblobgames.com
    Flow field pathfinding - redblobgames.com

    https://www.redblobgames.com/blog/2024-04-27-flow-field-pathfinding/

    flow fields are a vector field that tells agents from any location what direction to move to find a single destination. optionally, agents that are in between locations on …

  • redblobgames.com
    Red Blob Games

    https://www.redblobgames.com/pathfinding/a-star/implementation.py

    Sample code from https://www.redblobgames.com/pathfinding/a-star/ # Copyright 2014 Red Blob Games # # Feel free to use this code in your own projects, including ...

  • stackoverflow.com
    Need an algorithm to randomly generate groups on a hexagon grid

    https://stackoverflow.com/questions/70138164/need-an-algorithm-to-randomly-generate-groups-on-a-hexagon-grid

    1. Suggestion: First determine which hexes will remain blank. To do that, choose a few starting blank hexes, and extend from them with some probabilities. If the probabilities are low enough, there is reasonable chance that the remaining grid will be connected. If the remaining grid isn't connected, reset and try again.

  • redblobgames.com
    Mapgen4 - Red Blob Games

    https://www.redblobgames.com/maps/mapgen4/

    Jul 2018, Apr 2023. Pick a starting seed, then paint mountains, valleys, and oceans on the map! It will simulate evaporation, wind, and rainfall to determine biomes and rivers. …

  • github.com
    GitHub - henriquegavabarreto/hexagons: Drawing hexagon grids …

    https://github.com/henriquegavabarreto/hexagons

    You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window.

  • redblobgames.com
    Red Blob Games: blog posts

    https://www.redblobgames.com/blog/

    Red Blob Games: blog posts. My blog from 2003 to 2023 was simblob.blogspot.com but from 2024 onwards it is here. Font Distortion. 2024-05-31. I …

  • redblobgames.com
    Introduction to the A* Algorithm - Red Blob Games

    https://www.redblobgames.com/pathfinding/a-star/introduction.html

    A grid game map can use a non-grid pathfinding graph, or vice versa. A* runs fastest with the fewest graph nodes; grids are often easier to work with but result in lots of nodes. …

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DNS Lookup

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.

HostClassTTLTypeData
redblobgames.comIN60Aip: 34.198.241.65
redblobgames.comIN154568NStarget: ns-1303.awsdns-34.org
redblobgames.comIN154568NStarget: ns-578.awsdns-08.net
redblobgames.comIN154568NStarget: ns-1703.awsdns-20.co.uk
redblobgames.comIN154568NStarget: ns-409.awsdns-51.com
redblobgames.comIN900SOAmname: ns-578.awsdns-08.netrname: awsdns-hostmaster.amazon.comserial: 1refresh: 7200retry: 900expire: 1209600minimum-ttl: 86400
redblobgames.comIN60MXtarget: fb.mail.gandi.netpri: 50
redblobgames.comIN60MXtarget: spool.mail.gandi.netpri: 10
redblobgames.comIN60TXTtxt: v=spf1 include:_mailcust.gandi.net ?all
redblobgames.comIN60AAAA

redblobgames.com Traffic Analysis

According to global rankings, redblobgames.com holds the position of #335274. It attracts an approximate daily audience of 5.86K visitors, leading to a total of 5969 pageviews. On a monthly basis, the website garners around 175.7K visitors.

Daily Visitors5.86K
Monthly Visits175.7K
Pages per Visit1.85
Visit Duration0:01:72
Bounce Rate66.33%
Want complete report?Full SEMrush Report >>
Daily Unique Visitors:
5856
Monthly Visits:
175698
Pages per Visit:
1.85
Daily Pageviews:
5969
Avg. visit duration:
0:01:72
Bounce rate:
66.33%
Monthly Visits (SEMrush):
178154

Traffic Sources

SourcesTraffic Share
Social:
14.40%
Paid Referrals:
11.18%
Mail:
0.62%
Search:
25.32%
Direct:
48.43%

Visitors by Country

CountryTraffic Share
United States:
16.50%
China:
7.80%
Germany:
7.77%
Vietnam:
6.55%
Russia:
5.41%

SSL Checker - SSL Certificate Verify

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. redblobgames.com supports HTTPS, demonstrating their commitment to providing a secure browsing experience for users.

name
redblobgames.com
hash
f7f9b8c5
issuer
Let's Encrypt
version
2
serialNumber
286605875491639192698284829638137215320119
validFrom_time_t
1713999669
validTo_time_t
1721775668
signatureTypeSN
RSA-SHA256
signatureTypeLN
sha256WithRSAEncryption
signatureTypeNID
668
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
20:7C:9B:F3:51:4C:09:23:DA:30:8C:13:1B:A0:B3:B5:18:16:0F:59
authorityKeyIdentifier
keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
OCSP - URI:http://r3.o.lencr.org CA Issuers - URI:http://r3.i.lencr.org/
subjectAltName
DNS:redblobgames.com, DNS:www.redblobgames.com
certificatePolicies
Policy: 2.23.140.1.2.1

HTTP Headers

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.

Status
HTTP/1.1 301 Moved Permanently
Server
nginx
Date
Wed, 29 May 2024 05:17:16 GMT
Content-Type
text/html
Content-Length
162
Connection
keep-alive
Location
https://www.redblobgames.com/
Status
HTTP/1.1 200 OK
Server
nginx
Date
Wed, 29 May 2024 05:17:16 GMT
Content-Type
text/html; charset=UTF-8
Content-Length
40012
Last-Modified
Fri, 10 May 2024 16:02:10 GMT
Connection
keep-alive
Vary
Accept-Encoding
ETag
"663e4502-9c4c"
Expires
Wed, 29 May 2024 05:17:16 GMT
Cache-Control
max-age=0
Content-Security-Policy
frame-ancestors http
X-Content-Type-Options
nosniff
Cache-Control
public
Accept-Ranges
bytes

Where is redblobgames.com hosted?

redblobgames.com 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 Information

WHOIS protocol used to get domain/IP info. Common for reg details, ownership of a domain/IP. Check redblobgames.com for reg/admin contact info, owner, org, email, phone, creation, and expiration dates.

Domain Updated Date:2023-06-16
Domain Created Date:2011-09-27
Domain Expiry Date:2032-09-28
Domain Name:
Registrar WHOIS Server:whois.gandi.net
Registrar Abuse Contact Email:[email protected]
Registrar Abuse Contact Phone:+33.170377661
Domain Registrar:GANDI SAS
Domain Owner:

Domain Name: redblobgames.com

Registry Domain ID: 1679329813_DOMAIN_COM-VRSN

Registrar WHOIS Server: whois.gandi.net

Registrar URL: http://www.gandi.net

Updated Date: 2023-06-16T15:49:58Z

Creation Date: 2011-09-27T23:18:12Z

Registrar Registration Expiration Date: 2032-09-28T01:18:12Z

Registrar: GANDI SAS

Registrar IANA ID: 81

Registrar Abuse Contact Email: [email protected]

Registrar Abuse Contact Phone: +33.170377661

Registrant Street: 63-65 boulevard Massena

Registrant City: Paris

Registrant State/Province: Paris

Registrant Postal Code: 75013

Registrant Country: FR

Registrant Phone: +33.170377666

Registrant Fax: +33.143730576

Registrant Email: [email protected]

Admin Street: 63-65 boulevard Massena

Admin City: Paris

Admin State/Province: Paris

Admin Postal Code: 75013

Admin Country: FR

Admin Phone: +33.170377666

Admin Fax: +33.143730576

Admin Email: [email protected]

Tech Street: 63-65 boulevard Massena

Tech City: Paris

Tech State/Province: Paris

Tech Postal Code: 75013

Tech Country: FR

Tech Phone: +33.170377666

Tech Fax: +33.143730576

Tech Email: [email protected]

Name Server: NS-1303.AWSDNS-34.ORG

URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/

SEO Analysis

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.

Title Tag:
Red Blob Games

Length: 14 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.

Meta Description:
Interactive tutorials for math and algorithms

Length: 45 characters

When crafting website descriptions, keep in mind that search engines only show the first 150-160 characters in search results. To ensure your entire description is visible, aim for a length of 25-160 characters. If your description is too long, it may get cut off. Conversely, if it's too short, search engines may add text from elsewhere on your page. Additionally, search engines may modify the description you provide to better match the user's search intent. It's best to strike a balance between brevity and relevance for optimal visibility.

Meta Keywords:

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.

Keywords Cloud:
Term Count Density
interactive 11 1.75%
games 11 1.75%
map 8 1.28%
inspired 7 1.12%

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.

Headings:
<H1>
0
<H2>
1
<H3>
4
<H4>
0
<H5>
0
<H6>
0
<h> Red Blob Games</h>
<h2> About me # </h2>
<h3> Meta # </h3>
<h3> Play # </h3>
<h3> Learn # </h3>
<h3> Ponder # </h3>

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.

Image Alt Attribute:
53 images found in your page, and 12 images are without "ALT" text.

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 Test (Desktop):
0.08 seconds

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.

Top Organic Search Terms:
Term Search Volume Traffic Traffic (%)
redblobgames 70 0 0%

CO-Hosted

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.

redblobgames.com

People reviews about redblobgames.com

Very positive reviews

rating 5

Total reviews: 2
Average score: 5 stars

The total score is based on reviews found on the following sites
Scamadviser: 5/5 stars, 2 reviews

Add your review

rating 1 rating 2 rating 3 rating 4 rating 5

Very positive reviews

rating 5

Total reviews: 2
Average score: 5 stars

The total score is based on reviews found on the following sites
Scamadviser: 5/5 stars, 2 reviews


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