Cloudatlas.wmo.int - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
66% 
Page structure
70% 
Link structure
86% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.03 s
File size
37.80 kB
Words
637
Media files
19
Number of links
116 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | International Cloud Atlas
The length of the page title is perfect. (291 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. It provides the definitions and descriptions of cloud types and meteors, and flow charts to help identify them.
The meta description is too long: 1352 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Language defined in meta tags: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
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.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
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.
Charset encoding
(Somewhat important)
The character encoding is not specified.
The character encoding is not specified in the HTTP header.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
identifier-urlhttps://cloudatlas.wmo.int
titleInternational Cloud Atlas | WMO
descriptionThe WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. It provides the definitions and descriptions of cloud types and meteors, and flow charts to help identify them.
abstractAll
keywordsWMO, ICA, International Cloud Atlas, Weather, Meteor, Clouds, cloud atlas, atlas, identification, scientific guide
authorWMO
revisit-after15
languageEN
copyright© 2017 WMO
robotsAll
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og:descriptionThe WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. It provides the definitions and descriptions of cloud types and meteors, and flow charts to help identify them.
og:urlhttps://cloudatlas.wmo.int/home.html
X-UA-CompatibleIE=10
Pragmano-cache
Expires-1
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 637 words. That's ok.
30.3% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
4 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 17.88 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 13 tags for this page.
Image SEO
(Somewhat important)
17 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
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.

Media list

URLAlt attributeTitle
https://cloudatlas.wmo.int/images/logo.pngHome
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/images/carousel/15-s-1-11.jpgNo alt attribute provided
Video URLWidthHeight
/video/Cloud_Atlas_V3_english.webm100%

Page structure

H1 heading
(Critically important)
International Cloud Atlas Manual on the Observation of Clouds and Other Meteors (WMO-No. 407)
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 International Cloud Atlas Manual on the Observation of Clouds and Other Meteors (WMO-No. 407)
H1 Editorial note
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
/en/home.htmlAnchor Skip to main content
/en/home.htmlWorld Meteorological Organization Weather · Climate · Water العربية 简体中文 English Français Русский Español International Cloud Atlas
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A-TITLE Home
/en/home.htmlInternational Cloud Atlas
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/en/general-classification-of-...Electrometeors
/en/introduction-and-principle...Introduction and principles of cloud classification
/en/definition-of-a-cloud.htmlDefinition of a cloud
/en/appearance-of-clouds.htmlAppearance of clouds
/en/principles-of-cloud-classi...Principles of cloud classification
/en/cloud-classification-summa...Cloud classification summary
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/en/cirrostratus-cs.htmlCirrostratus (Cs)
/en/altocumulus-ac.htmlAltocumulus (Ac)
/en/altostratus-as.htmlAltostratus (As)
/en/nimbostratus-ns.htmlNimbostratus (Ns)
/en/stratocumulus-sc.htmlStratocumulus (Sc)
/en/stratus-st.htmlStratus (St)
/en/cumulus-cu.htmlCumulus (Cu)
/en/cumulonimbus-cb.htmlCumulonimbus (Cb)
/en/orographic-influences-on-c...Orographic influences on clouds
/en/orographic-influences-on-c...Introduction
/en/orographic-influences-on-t...Orographic influence on the windward side
/en/orographic-influence-on-th...Orographic influence on the leeward side
/en/upper-atmospheric-clouds.htmlUpper atmospheric clouds
/en/nacreous-clouds.htmlNacreous clouds
/en/nitric-acid-and-water-pola...Nitric acid and water polar stratospheric clouds
/en/noctilucent-clouds.htmlNoctilucent clouds (polar mesospheric clouds)
/en/classification-of-meteors-...Classification and symbols of meteors other than clouds
/en/hydrometeors.htmlText duplicate Hydrometeors
/en/lithometeors.htmlText duplicate Lithometeors
/en/photometeors.htmlText duplicate Photometeors
/en/electrometeors.htmlText duplicate Electrometeors
/en/character-and-intensity-of...Character and intensity of precipitation
/en/additional-symbols.htmlAdditional symbols
/en/definitions-and-descriptio...Definitions and descriptions of meteors other than clouds
/en/hydrometeors-other-than-cl...Hydrometeors other than clouds
/en/lithometeors-other-than-cl...Text duplicate Lithometeors
/en/photometeors-other-than-cl...Text duplicate Photometeors
/en/electrometeors-other-than-...Text duplicate Electrometeors
/en/observation-of-meteors-oth...Observation of meteors other than clouds from the Earth's surface
/en/observation-from-the-earth...Text duplicate Introduction
/en/observation-of-hydrometeor...Observation of hydrometeors other than clouds
/en/observation-of-lithometeor...Observation of lithometeors
/en/observation-of-photometeor...Observation of photometeors
/en/observation-of-electromete...Observation of electrometeors
/en/observation-of-clouds-from...Observation of clouds from the earth's surface
/en/observation-of-clouds-from...Text duplicate Introduction
/en/identifying-clouds.htmlIdentifying clouds
/en/total-cloud-cover-and-clou...Total cloud cover and cloud amount
/en/height-and-altitude.htmlHeight and altitude
/en/direction-and-speed-of-mov...Direction and speed of movement
/en/optical-thickness.htmlOptical thickness
/en/observation-of-clouds-moun...Observation of clouds from mountain stations
/en/observation-of-upper-atmos...Observation of upper atmospheric clouds
/en/coding-of-clouds.htmlCoding of clouds in the codes CL, CM and CH and corresponding symbols
/en/introduction-coding-of-clo...Introduction of the coding of clouds
/en/code-specifications-and-co...Code specifications and coding procedures
/en/coding-instructions-of-clo...Coding instructions of clouds in the codes CL, CM and CH
/en/cloud-classification-aids-...Cloud classification aids CL, CM and CH
/en/cloud-symbols-correspondin...Cloud symbols corresponding to the CL, CM and CH codes
/en/observation-of-clouds-from...Observation of clouds from aircraft
/en/observation-of-clouds-from...Issues for observation of clouds from aircraft
/en/observation-of-clouds-from...Descriptions of clouds as observed from aircraft
/en/fog-and-haze-as-seen-from-...Fog and haze as seen from aircraft
/en/search-image-gallery.htmlSearch Image Gallery
/en/compare-two-images.htmlCompare two images
/en/glossary.htmlGlossary
/en/editorial-note.htmlEditorial note
/en/appendix-1-etymology-of-la...Appendix 1 - Etymology of latin names of clouds
/en/appendix-2-historical-bibl...Appendix 2 - Historical bibliography of cloud classification
/en/appendix-3-history-of-clou...Appendix 3 - History of cloud nomenclature
/en/appendix-4-lists-of-tables...Appendix 4 - Lists of tables, figures and acronyms
/en/history-of-the-ICA.htmlHistory of the ICA
/en/foreword-to-the-1987-editi...Foreword to the 1987 edition of volume II
/en/preface-to-the-1975-editio...Preface to the 1975 edition of volume I
/en/preface-to-the-1956-editio...Preface to the 1956 edition
/en/preface-to-the-1939-editio...Preface to the 1939 edition
/docs/wmo_407_en-v2.pdfNew window ICA Vol. 2 (1987 edition)
/docs/wmo_407_en-v1.pdfNew window ICA Vol. 1 (1975 edition)
/docs/ICA_1956-Vol_I_low_res.pdfNew window ICA Vol. 1 (1956 edition)
/docs/ICA1930-optimized-for-we...New window ICA (1930 edition)
/en/search-image-gallery.htmlText duplicate A-TITLE Search Images
/en/search-image-gallery.htmlFind a cloud
/en/general-classification-of-...Hail and other hydrometeors
/en/cloud-classification-aids-...Classification of clouds
/en/compare-two-images.htmlCompare two clouds
/en/cloud-classification-summa...Relation between genera and species
/en/definitions-of-clouds.htmlText duplicate Definitions of clouds
/en/cloud-identification-guide...What cloud is that?
/en/general-classification-of-...Text duplicate Photometeors
/en/hydrometeors-deposits-of-p...Different types of deposits
/en/general-classification-of-...Dust storms and other lithometeors
/en/general-classification-of-...Text duplicate Electrometeors
/en/observation-of-clouds-from...Text duplicate Observation of clouds from aircraft
/en/meteorological-definition-...What is a meteorological meteor?
/en/observation-of-clouds-from...How to observe clouds?
/docs/wmo_407_en-v1.pdfPrevious Editions
/docs/Excerpt from wmo_49-1_fi...Technical Regulations (WMO-No. 49)
http://www.hko.gov.hk/contente...New window External Subdomain Hong Kong Observatory
/en/privacy-policy.htmlPrivacy policy
/en/contact-us.htmlContact
https://library.wmo.int/index....New window External Subdomain Anchor About us & related resources
/en/disclaimer.htmlDisclaimer
/en/copyright.htmlCopyright
/en/sitemap.htmlSitemap
https://public.wmo.int/enNew window External Subdomain WMO Public site
https://community.wmo.int/acti...New window External Subdomain Extranet
/en/home.htmlAnchor Back to top

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://cloudatlas.wmo.int/en/home.html"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.03 seconds.
The file size of the HTML document is fine (38 kB).

HTTP Response Header

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External factors

This website has excellent links from other websites.
This page has backlinks from 333 referring domains.
This page has 624 backlinks.
This page has backlinks from 199 different ip addresses.

Links from Wikipedia

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Robots.txt

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cloudatlas.wmo.int › home.html
Home | International Cloud Atlas
The WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. It provides the definitions and descriptions of cloud types and meteors, and flow charts to help identify them.

Most important keywords

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

KeywordResultRecheck
Cloud79%Check
Atlas79%Check
Cloud Atlas79%Check
International Cloud Atlas77%Check
International73%Check
WMO68%Check
cloud classification63%Check
Clouds62%Check
meteors62%Check
codes CL57%Check
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