macaulay2.com

Main Information

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Title: Macaulay2

Description: Macaulay2 home page

Keywords: unknown

Page Encoding: utf-8

Page Filesize: 13 KB

Server Information

🖥️

IP: 172.67.222.115

Location: ,,,,,,

Http Server: cloudflare

Encoding: utf-8

Meta Tags List

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equiv: Content-Type content: text/html; charset=utf-8
name: viewport content: width=device-width, initial-scale=1.0
name: verify-v1 content: K3w7e+LiYvZwoJ/SHAB3+LeRKHs+lFAUPLxmzBEFn2c=
name: description content: Macaulay2 home page
name: keywords content: Daniel Grayson, math, mathematics, Macaulay2, Macaulay2 homepage, Macaulay2 home page, Macaulay, Michael Stillman, syzygy, syzygies, algebraic geometry, commutative algebra, Groebner basis, groebner basis, projective resolutions, free resolutions, polynomials, Weyl algebra, coherent sheaf, graded rings, computer program, algebraic variety, projective variety, polynomial ring, software, Linux

Internal Links

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External Links

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Whois Information

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domain_name: macaulay2.com

update_date: 2026-04-27T15:26:38Z

update_time: 1777303598

creation_date: 2006-12-25T15:50:16Z

creation_time: 1167061816

expiration_date: 2028-12-25T15:50:16Z

Whois Raw Data

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            Domain Name: MACAULAY2.COM
Registrar: CSL Computer Service Langenbach GmbH d/b/a joker.com
Domain Status: client transfer prohibited
Creation Date: 2006-12-25T15:50:16Z
Registry Expiry Date: 2028-12-25T15:50:16Z
Updated Date: 2026-04-27T15:26:38Z
Name Server: GRACE.NS.CLOUDFLARE.COM
Name Server: JAIME.NS.CLOUDFLARE.COM
REGISTRAR Contact: CSL Computer Service Langenbach GmbH d/b/a joker.com
>>> Last update of RDAP database: 2026-08-02T08:42:46Z

Robots.txt

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			Disallow: /doc/Macaulay2-*

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

14090 bytes

Page size acceptable for fast loading.

✓

Resources

10 total

Optimal number of resources.

✓

Hreflang Tags

0 hreflang tags

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✓

Robots.txt

Exists

Robots.txt file found.

!

Sitemap

Not found

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✓

HTTPS

Yes

Secure HTTPS connection enabled.

✓

Compression

zstd

Gzip or Zstd compression enabled for faster loading.

!

Caching

Not set

Add cache-control headers to improve loading speed for returning visitors.

✓

Page Speed

2.73 ms

Excellent loading speed.

On-Page SEO

!

Title

Macaulay2

Title too short. Expand to 30-60 characters for better SEO.

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Meta Description

Macaulay2 home page Lenght:19

Meta description too short. Expand to 100-160 characters.

✓

H1 Heading

1 found - "Macaulay2"

Good - single H1 heading found.

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Word Count

235

Content very short. Aim for at least 500 words for better SEO.

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Canonical Tag

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✓

Duplicate Meta

[]

No duplicate meta tags found.

✓

Keywords

unknown

Meta keywords set (note: not used by major search engines).

Content and UX

!

Language

Add lang attribute to tag for accessibility and SEO.

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Images

4 total, 1 missing ALT

Add ALT text to images for accessibility and SEO.

✓

Viewport

width=device-width, initial-scale=1.0

Viewport meta tag properly set for mobile devices.

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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

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Structured Data

0 JSON-LD scripts

Add structured data (JSON-LD) for rich snippets and better SEO.

Search Phrases - Google

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Position	Phrase	Page	Snippet
2	frac 3 4 u frac 2 3	/doc/Macaulay2/share...	frac -- construct a fraction field The parts of a fraction may be extracted. i10 : numerator f o10 = 1 o10 : R. i11 : denominator f 5 4 3 2 2 3 4 ... i16 : I = ideal(y^ 2 * u ^ 3 + xv^ 3 , u ^ 2 v, u ...
3	2 set	/doc/Macaulay2/share...	Set -- the class of all sets Elements of sets may be any immutable object, such as integers, ring elements and lists of such. Ideals may also be elements of sets . i1 : A = set {1, 2 }
4	take lists	/doc/Macaulay2/share...	take -- take some elements from a list or sequence take -- take some elements from a list or sequence. Usage: take (L, i): take (L, {j,k}): take (x, i). Inputs: L, a basic list ,
4	set of 2	/doc/Macaulay2/share...	Set -- the class of all sets Elements of sets may be any immutable object, such as integers, ring elements and lists of such. Ideals may also be elements of sets . i1 : A = set {1, 2 }
4	frac ab bc	/doc/Macaulay2/share...	frac -- construct a fraction field frac -- construct a fraction field · Usage: frac R · Inputs: R, a ring, an integral domain · Outputs: a fraction field, the field of fractions of R ...
5	frac a b c 2	/doc/Macaulay2/share...	frac -- construct a fraction field frac -- construct a fraction field · Usage: frac R · Inputs: R, a ring, an integral domain · Outputs: a fraction field, the field of fractions of R ...
5	list of 2	/doc/Macaulay2/share...	List -- the class of all lists -- {...} Lists in Macaulay2 consist of elements of any type, enclosed in braces, and separated by commas. i1 : L = {a,1,b,2} o1 = {a, 1, b, 2} o1
5	frac ab ac frac 1 2	/doc/Macaulay2/share...	frac -- construct a fraction field i14 : lift( 1 /f,R) 5 4 3 2 2 3 4 5 o14 = x + x y + x y + x y + xy + y o14 ... a b c - a b *c - a c ) o22 : Ideal of A . Caveat. The input ring should be an ...
7	replace 1 2	/doc/Macaulay2/share...	replace(ZZ,Thing,BasicList) -- copy a list, ... replace(ZZ,Thing,BasicList ) -- copy a list, replacing an element. Function: replace. Usage: s = replace(i, t, l). Inputs: i, an integer,
7	ii and	/doc/Macaulay2/share...	and -- conjunction This operator may be used as a binary operator in an expression like x and y. The user may install binary methods for handling such expressions.

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Search Phrases - Google

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