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Papersizes.org - SEO Checker

Overview of the SEO Check

Meta information

95%

Page quality

68%

Page structure

58%

Link structure

93%

Server

91%

External factors

100%

SEO Score

SEO Score Widget

Response time

0.16 s

File size

95.10 kB

Words

1560

Media files

Number of links

110 internal / 9 external

Task list of SEO Improvements 4 Tasks

Add charset encoding information.Important!
The page title should be better suited to the content of the page.Important!
The H1 heading should suit better to the page content. (Words from the heading are rarely used in the text)Important!
Remove duplicate heading texts.Important!

Meta specifications 95% achieved

Title

(Critically important)

International Paper Sizes, Formats & Standards Explained

The length of the page title is perfect. (522 pixels out of 580 max pixel length)

There are no duplicate words in the title

Meta Title

Meta description

(Critically important)

An explanation of the ISO 216 paper size format standard, including definition of A series paper sizes (A3, A4, A5 etc)

The length of the meta description is perfect. (721 pixels out of 1000 max pixel length)

Meta Description

Crawlability

(Critically important)

There are no problems in accessing the website.

Search Engine Crawlers

Canonical URL

(Important)

https://www.papersizes.org/

There is a valid canonical link specified.

Canonical Tag

Language

(Somewhat important)

Language detected in text: en

Language defined in HTML: en

Server location: United States of America

The following language is defined by HTML: en

Declaring language in HTML

Alternate/Hreflang Links

(Somewhat important)

There are no alternate links specified on this page.

Hreflang

Other meta tags

(Somewhat important)

There is no rel next meta tag on this page.

There is no rel prev meta tag on this page.

Meta Tags

Domain

(Somewhat important)

The domain is no subdomain.

The domain length is good.

The domain does not contain non-latin characters.

Domain for SEO

Page URL

(Somewhat important)

No parameters were found in the URL.

No session ID was found in the URL.

The URL does not have too many subdirectories.

SEO-friendly URLs

Charset encoding

(Somewhat important)

The character encoding is not specified.

The character encoding is not specified in the HTTP header.

Character Encoding

Doctype

(Nice to have)

The doctype HTML 5 is set correctly.

The doctype is placed at first in the HTML code.

HTML Doctype

Favicon

(Nice to have)

The favicon is linked correctly.

Favicon

Meta tags

Name	Value
viewport	width=device-width, initial-scale=1
description	An explanation of the ISO 216 paper size format standard, including definition of A series paper sizes (A3, A4, A5 etc)
msapplication-config	browserconfig.xml
msapplication-square70x70logo	/icons/smalltile.png
msapplication-square150x150logo	/icons/mediumtile.png
msapplication-wide310x150logo	/icons/widetile.png
msapplication-square310x310logo	/icons/largetile.png
lang	en
content-type	text/html; charset=UTF-8

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Page quality 68% achieved

Content

(Critically important)

Some words from the page title are not used within the pages content

Words from the H1 heading are not used in the page content.

These Typos were found:

expecially => especially

The average number of words per sentence of 25.82 words is high.

This page contains 1560 words. That's ok.

32.8% of the text are stop words.

The page contains a listing, which indicates a good text layout.

18 paragraphs were found on this page.

No placeholders texts or images were found.

There are no duplicates on the site.

Content is King

Frames

(Critically important)

This page does not use a frameset.

Frames and framesets

Mobile optimization

(Somewhat important)

A viewport "width=device-width, initial-scale=1" is provided.

At least one Apple touch icon is specified.

Mobile Optimization

Bold and strong tags

(Somewhat important)

The usage of strong and bold tags is perfect. We recommend the use of up to 31 tags for this page.

Strong and Bold Tags

Image SEO

(Somewhat important)

Alt text (alternative text) is correctly used on all found images.

Image SEO

There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.

Social Sharing

Additional markup

(Nice to have)

No additional page markup was found.

HTTPS

(Somewhat important)

This website uses HTTPS to protect privacy and integrity of the exchanged data.

All included files are also transferred via HTTPS.

HTTPS

Media list

URL	Alt attribute	Title
...imgfmt=ng:webp/ngcb25/rs:device/rscb25-1	Paper Sizes header
data:[...] Base64	Internacional de tamaños de papel y formatos en español
data:[...] Base64	Dimensions de formats de papier ISO et américains en français
data:[...] Base64	Descrição dos tamanhos, padrões e formatos internacionais de papel em português
data:[...] Base64	Internationale Papiergrößen und -formate in deutsch
data:[...] Base64	menu icon
data:[...] Base64	Internacional de tamaños de papel y formatos en español
data:[...] Base64	Dimensions de formats de papier ISO et américains en français
data:[...] Base64	Descrição dos tamanhos, padrões e formatos internacionais de papel em português
data:[...] Base64	Internationale Papiergrößen und -formate in deutsch
data:[...] Base64	A Series Paper Size Diagram
data:[...] Base64	Ream of Cream Tinge Paper

Page structure 58% achieved

H1 heading

(Critically important)

International Paper Sizes & Formats With Dimensions

The H1 heading is perfect.

H1-H6 headings

Headings

(Important)

Some headings occur twice on the page.

There are 129 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

H1-H6 headings

Heading structure

Heading level	Content
H1	International Paper Sizes & Formats With Dimensions
H2	A Paper Sizes (ISO)
H2	B Paper Sizes (ISO)
H2	C Envelope Sizes (ISO)
H2	US Paper Sizes
H2	US ANSI Paper Sizes
H2	US ARCH Paper Sizes
H2	US Office Envelope Sizes
H2	US Announcement Envelope Sizes
H2	US Catalog Envelope Sizes
H2	Postcard Sizes
H2	Newspaper Sizes
H2	ISO Paper Sizes Standard Overview & Rationale
H2	American Paper Sizes
H2	Poster & Billboard Sizes
H2	Paper Weights
H2	Paper Whiteness, Brightness & Shade
H2	Portrait & Landscape Paper
H2	Historical Paper Sizes
H3	A Series Paper Sizes Formal Definition
H3	Extensions - B Series Paper Sizes
H3	The C Series Envelope Sizes
H3	RA & SRA Untrimmed Paper Sizes
H3	Conversions Between Paper Sizes
H3	Paper Size Areas
H3	Weight of Sheets & Reams Calculator
H4	A0
H4	A1
H4	A2
H4	A3
H4	A4
H4	A5
H4	A6
H4	A7
H4	A8
H4	A9
H4	A10
H4	B0
H4	B1
H4	B2
H4	B3
H4	B4
H4	B5
H4	B6
H4	B7
H4	B8
H4	B9
H4	B10
H4	C0
H4	C1
H4	C2
H4	C3
H4	C4
H4	C5
H4	C6
H4	C7
H4	C8
H4	C9
H4	C10
H4	Letter
H4	Legal
H4	Ledger
H4	Tabloid
H4	Half Letter
H4	Gov't Letter
H4	Junior Legal
H4	Gov't Legal
H4	A
H4	B
H4	C
H4	D
H4	E
H4	B+
H4	A Duplicate text
H4	B Duplicate text
H4	C Duplicate text
H4	D Duplicate text
H4	E Duplicate text
H4	E1
H4	6¼
H4	6¾
H4	7
H4	7¾
H4	8⅝
H4	9
H4	10
H4	11
H4	12
H4	14
H4	16
H4	A1 Duplicate text
H4	A2 - Lady Grey
H4	A4 Duplicate text
H4	A6 - Thompson's Standard
H4	A7 - Besselheim
H4	A8 - Carr's
H4	A9 - Diplomat
H4	A10 - Willow
H4	A Long
H4	1
H4	1¾
H4	3
H4	6
H4	8
H4	9¾
H4	10½
H4	12½
H4	13½
H4	14½
H4	15
H4	15½
H4	ISO Maximum
H4	ISO Standard
H4	ISO Minimum
H4	US Maximum
H4	US Minimum
H4	UK Broadsheet
H4	US Broadsheet
H4	AU/NZ Broadsheet
H4	SA Broadsheet
H4	New York Times
H4	Wall Street Journal
H4	Beliner
H4	Swiss
H4	UK Tabloid
H4	Canadian Tabloid
H4	Canadian Tall Tab
H4	Compact
H4	Ciner

Link structure 93% achieved

Internal links

(Important)

Baselink: https://www.papersizes.org/

Some anchor texts are used more than once.

The number of internal links is ok.

None of the anchor texts is too long.

All internal links are not using dynamic parameters.

Internal Linking

External links

(Nice to have)

There are 9 external links on this page.

External Links

Found links on this page

Link	Attributes	Anchor text
https://www.papersizes.org/		No Text
https://www.papersizes.org/		No Text
https://www.papersizes.org/		IMG-ALT Paper Sizes header
https://www.papersizes.org/		No Text
https://www.tamanosdepapel.com/	External Subdomain	IMG-ALT Internacional de tamaños de papel y formatos en español
https://www.formatsdepapier.com/	External Subdomain	IMG-ALT Dimensions de formats de papier ISO et américains en français
https://www.tamanhosdepapel.com/	External Subdomain	IMG-ALT Descrição dos tamanhos, padrões e formatos internacionais de papel em português
https://www.papierformate.com/	External Subdomain	IMG-ALT Internationale Papiergrößen und -formate in deutsch
https://www.papersizes.org/	Subdomain	Overview
/a-paper-sizes.htm		ISO Standard A, B, C
/a-paper-sizes.htm		A Paper Sizes
/b-paper-sizes.htm		B Paper Sizes
/c-envelope-sizes.htm		C Envelope Sizes
/ra-sra-untrimmed.htm		RA & SRA Untrimmed
/magnification-scale.htm		Magnification & Scaling
/a4-foolscap-letter.htm		A4, Letter & Foolscap Compared
/us-paper-sizes.htm		American Sizes
/us-paper-sizes.htm		US Paper Sizes
/us-envelope-sizes.htm		US Envelope Sizes
/canadian-paper-sizes.htm		Canadian Paper Sizes
/newspaper-sizes.htm		Other Sizes
/japanese-sizes.htm		Japanese Sizes
/newspaper-sizes.htm		Newspaper Sizes
/postcard-sizes.htm		Postcard Sizes
/poster-sizes.htm		Poster Sizes
/billboard-sizes.htm		Billboard Sizes
/paper-weights.htm		Paper Weights
/paper-weights.htm		Weights Overview
/stock-types.htm		Stock Types
/reams-quires.htm		Reams & Quires
/us-international-weights.htm		Grammage to Basis Weight
/weight-of-sheets.htm		Weights of Sheets
/portrait-landscape.htm		More Info
/portrait-landscape.htm		Portrait & Landscape
/whiteness-brightness.htm		Whiteness & Brightness
/paper-history-overview.htm		History of Paper
/old-imperial-sizes.htm		Obsolete Sizes
/old-imperial-sizes.htm		Imperial Sizes
/old-english-uncut.htm		Imperial Uncut Sizes
https://www.tamanosdepapel.com/	External Subdomain Text duplicate	IMG-ALT Internacional de tamaños de papel y formatos en español
https://www.formatsdepapier.com/	External Subdomain Text duplicate	IMG-ALT Dimensions de formats de papier ISO et américains en français
https://www.tamanhosdepapel.com/	External Subdomain Text duplicate	IMG-ALT Descrição dos tamanhos, padrões e formatos internacionais de papel em português
https://www.papierformate.com/	External Subdomain Text duplicate	IMG-ALT Internationale Papiergrößen und -formate in deutsch
/a-paper-sizes.htm		A Paper Sizes (ISO)
/a-paper-sizes.htm		A0 841 x 1189 mm
/a-paper-sizes.htm		A1 594 x 841 mm
/a-paper-sizes.htm		A2 420 x 594 mm
/a-paper-sizes.htm		A3 297 x 420 mm
/a-paper-sizes.htm		A4 210 x 297 mm
/a-paper-sizes.htm		A5 148 x 210 mm
/a-paper-sizes.htm		A6 105 x 148 mm
/a-paper-sizes.htm		A7 74 x 105 mm
/a-paper-sizes.htm		A8 52 x 74 mm
/a-paper-sizes.htm		A9 37 x 52 mm
/a-paper-sizes.htm		A10 26 x 37 mm
/a-paper-sizes.htm		See all A sizes ➤
/b-paper-sizes.htm		B Paper Sizes (ISO)
/b-paper-sizes.htm		B0 1000 x 1414 mm
/b-paper-sizes.htm		B1 707 x 1000 mm
/b-paper-sizes.htm		B2 500 x 707 mm
/b-paper-sizes.htm		B3 353 x 500 mm
/b-paper-sizes.htm		B4 250 x 353 mm
/b-paper-sizes.htm		B5 176 x 250 mm
/b-paper-sizes.htm		B6 125 x 176 mm
/b-paper-sizes.htm		B7 88 x 125 mm
/b-paper-sizes.htm		B8 62 x 88 mm
/b-paper-sizes.htm		B9 44 x 62 mm
/b-paper-sizes.htm		B10 31 x 44 mm
/b-paper-sizes.htm		See all B sizes ➤
/c-envelope-sizes.htm		C Envelope Sizes (ISO)
/c-envelope-sizes.htm		C0 917 x 1297 mm
/c-envelope-sizes.htm		C1 648 x 917 mm
/c-envelope-sizes.htm		C2 458 x 648 mm
/c-envelope-sizes.htm		C3 324 x 458 mm
/c-envelope-sizes.htm		C4 229 x 324 mm
/c-envelope-sizes.htm		C5 162 x 229 mm
/c-envelope-sizes.htm		C6 114 x 162 mm
/c-envelope-sizes.htm		C7 81 x 114 mm
/c-envelope-sizes.htm		C8 57 x 81 mm
/c-envelope-sizes.htm		C9 40 x 57 mm
/c-envelope-sizes.htm		C10 28 x 40 mm
/c-envelope-sizes.htm		See all C sizes ➤
/us-paper-sizes.htm	Text duplicate	US Paper Sizes
/us-paper-sizes.htm		See all US sizes ➤
/us-paper-sizes.htm		US ANSI Paper Sizes
/us-paper-sizes.htm	Text duplicate	See all US sizes ➤
/us-paper-sizes.htm		US ARCH Paper Sizes
/us-paper-sizes.htm	Text duplicate	See all US sizes ➤
/us-envelope-sizes.htm		US Office Envelope Sizes
/us-envelope-sizes.htm		See all US envelopes ➤
/us-envelope-sizes.htm		US Announcement Envelope Sizes
/us-envelope-sizes.htm	Text duplicate	See all US envelopes ➤
/us-envelope-sizes.htm		US Catalog Envelope Sizes
/us-envelope-sizes.htm	Text duplicate	See all US envelopes ➤
/postcard-sizes.htm	Text duplicate	Postcard Sizes
/postcard-sizes.htm		See all postcard sizes ➤
/newspaper-sizes.htm	Text duplicate	Newspaper Sizes
/newspaper-sizes.htm		See all news-paper sizes ➤
/a-series-full-sized-diagram.htm		IMG-ALT A Series Paper Size Diagram
/a-paper-sizes.htm		Sizes for A Series Paper - A0, A1, A2, A3, A4, A5, A6, A7 and A8
https://en.wikipedia.org/wiki/...	External Subdomain	Geometric Means
/b-paper-sizes.htm		Sizes for B Series Paper - B0, B1, B2, B3, B4, B5, B6, B7 and B8
/c-envelope-sizes.htm		Sizes for C Series Envelopes - C0, C1, C2, C3, C4, C5, C6, C7 and C8
/ra-sra-untrimmed.htm		RA & SRA definitions here
/magnification-scale.htm		Full Tables of Magnification Scale Factors for A & B Paper Sizes
/a-paper-size-areas.htm		areas of standard paper sizes here
/us-paper-sizes.htm		American Paper Sizes
/poster-sizes.htm		Poster
/billboard-sizes.htm		Billboard
/reams-quires.htm		click this link for the number of sheets in a ream or quire
/paper-weights.htm		paper weights and grammage
/paper-weights.htm		basis weight and stock types
/us-international-weights.htm		conversions between basis weight by stock type and grammage
/whiteness-brightness.htm		Whiteness, Brightness and Shade
/portrait-landscape.htm		Portrait paper or Landscape paper
/old-imperial-sizes.htm		British Imperial paper sizes
/cookies-privacy.htm		Cookies & Privacy
/contact-us.htm		Contact Us
/advertising-rates.htm		Advertising Rates

Server configuration 91% achieved

HTTP redirects

(Critically important)

This page redirects to "https://www.papersizes.org/"

WWW Redirect

HTTP header

(Important)

The web server version is sent within the HTTP header.

No X-Powered HTTP header is sent.

This page uses GZip for compressed data transmission.

HTTP headers

Performance

(Somewhat important)

The page response time is excellent with 0.16 seconds.

The file size of the HTML document is fine (95 kB).

Page Speed

HTTP Response Header

Name	Value
cache-control	private, max-age=0, must-revalidate, no-cache, no-store
content-encoding	gzip
content-type	text/html
date	Fri, 15 Nov 2024 08:57:27 UTC
display	pub_site_sol
expires	Thu, 14 Nov 2024 08:57:27 GMT
pagespeed	off
response	200
server	Microsoft-IIS/10.0
set-cookie	96 Characters
vary	Accept-Encoding,User-Agent
x-ezoic-cdn	Hit ed;ed;f8875d83e53eb36e342209d4802fadb1;1-1-1;xi-4o74UQcceW1tNsTyO8
x-middleton-display	pub_site_sol
x-middleton-response	200
x-origin-cache-control	private
x-sol	pub_site
statuscode	200
http_version	HTTP/2

External factors 100% achieved

Backlinks

(Critically important)

This website has excellent links from other websites.

This page has backlinks from 1,229 referring domains.

This page has 248,735 backlinks.

This page has backlinks from 543 different ip addresses.

Backlinks

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

#
# robots.txt for papersizes.org
#
# Id: robots.txt,v 1.01 2021/05/05
#

User-agent: SemrushBot
Disallow: /

User-agent: AhrefsBot
Disallow:/

User-agent: psbot
Disallow: /

User-agent: ShopWiki
Disallow: /

User-agent: Charlotte
Disallow: /

User-agent: WebAlta
Disallow: /

User-agent: Jyxobot 
Disallow: /

User-agent: SurveyBot
Disallow: /

User-agent: ia_archiver
Disallow: /

Similar sites

Search preview

www.papersizes.org

International Paper Sizes, Formats & Standards Explained

An explanation of the ISO 216 paper size format standard, including definition of A series paper sizes (A3, A4, A5 etc)

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

Keyword	Result	Recheck
Sizes	91%	Check
Paper	91%	Check
Paper Sizes	91%	Check
International Paper Sizes	83%	Check
standard paper sizes	81%	Check
Series Paper Sizes	79%	Check
216 paper sizes	78%	Check
Sizes Standard	77%	Check
Series Paper	73%	Check
series sizes	73%	Check
A4 paper	72%	Check
216 paper	70%	Check
Envelope Sizes	66%	Check
Paper Weights	66%	Check
Postcard Sizes	66%	Check
Billboard Sizes	66%	Check
Landscape Paper	66%	Check
Standard	65%	Check
paper folded	64%	Check
sizes A-E	64%	Check
Formats	63%	Check
International	63%	Check
Series	56%	Check
Definition	50%	Check
Envelope	43%	Check

Show more keywords and terms

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Automated check for keyword optimization

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Papersizes.org - SEO Checker

Task list of SEO Improvements 4 Tasks

Meta specifications 95% achieved

(Critically important)

(Critically important)

(Critically important)

(Important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

Meta tags

Test up to 1.000 webpages of papersizes.org with our free plan!

Page quality 68% achieved

(Critically important)

(Critically important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

(Somewhat important)

Media list

Page structure 58% achieved

(Critically important)

(Important)

Heading structure

Link structure 93% achieved

(Important)

(Nice to have)

Found links on this page

Server configuration 91% achieved

(Critically important)

(Important)

(Somewhat important)

HTTP Response Header

External factors 100% achieved

(Critically important)

Links from Wikipedia

Robots.txt

Similar sites

Search preview

Most important keywords

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