Scan-bugs.org - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
52% 
Page quality
68% 
Page structure
95% 
Link structure
3% 
Server
29% 
External factors
100% 
SEO Score
Response time
1.40 s
File size
45.20 kB
Words
574
Media files
19
Number of links
46 internal / 42 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
SCAN Home
The page title is too short. (115 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
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
Server location: United States of America
The language is not specified in the HTML markup.
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 charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
No doctype markup was found.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
keywordsEmpty

Automatically check scan-bugs.org including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 574 words. That's ok.
18.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 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 21 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page only loads 3 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The amount of tags is very high (12). We recommend using a maximum of 11 tags for this page.
Some tags are too long. With 78 characters this one is longer than 70 characters:
"pardosa xerampelina. image by: vogel, beatrice. courtesy of: paula e. cushing."
Image SEO
(Somewhat important)
2 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
.../images/layout/scan_logo_color_hires.jpgNo alt attribute provided
/portal/images/layout/header.gifNo alt attribute provided
...DMNS_Arac/ZA18/2006-07-10_1677119226.jpgEremobates pallipes
...DMNS_Arac/ZA33/2007-05-25_1677335342.jpgEuryopis scriptipes
...a063_Pardosa_xerampelina__1645217797.jpgPardosa xerampelina
...DMNS_Arac/ZA22/1961-06-12_1553028314.jpgTheridion differens
...Type_No_1280_Apion_gracil_1585614866.jpgApion graciliforme
...Arac/ZA37/2009-06-15b-16a_1677942977.jpgCesonia sincera
...MNS_Arac/ZA26/2011-04-28a_1679059191.jpgEremobatidae
...DMNS_Arac/ZA8/2004-05-15a_1679847203.jpgZelotes lasalanus
...DMNS_Arac/ZA7/2004-10-02c_1680888207.jpgGlenognatha foxi
.../DMNS_Arac/ZA3/2000-10-08_1672233668.jpgDrassodes gosiutus
/portal/images/layout/Help_Sessions.pngHelp sessions
/portal/images/layout/asu-logo.pngASU
/portal/images/layout/bon-earth.pngBon Earth
/portal/images/layout/idigbioLogo.pngiDigBio
...mages/layout/NSF_4-Color_bitmap_Logo.pngThe National Science Foundation
/portal/images/layout/usda.pngUSDA
/portal/images/layout/usgs.pngUSGS

Page structure

H1 heading
(Critically important)
Symbiota Collections of Arthropods Network (SCAN): A Data Portal Built to Visualize, Manipulate, and Export Species Occurrences
The H1 heading is too long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Symbiota Collections of Arthropods Network (SCAN): A Data Portal Built to Visualize, Manipulate, and Export Species Occurrences
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (42) on this page.

Found links on this page

LinkAttributesAnchor text
/portal/profile/index.php?refu...Log In
/portal/profile/newprofile.phpNew Account
/portal/sitemap.phpSitemap
/portal/index.phpHome
/portal/collections/index.phpSearch
/portal/collections/index.phpSearch Collections
/portal/spatial/index.phpNew window Spatial Module
/portal/collections/map/mapint...New window Map Search
/portal/checklists/dynamicmap....Dynamic Checklist
/portal/taxa/admin/taxonomydyn...Taxonomy Explorer
/portal/imagelib/search.phpImages
/portal/imagelib/search.phpImage Search
/portal/imagelib/imagebatch.phpBatch Upload
/portal/checklists/checklist.p...Arthropods of Monahans Sandhills State Park, Texas
/portal/checklists/checklist.p...Camel Spiders of North America
/portal/checklists/checklist.p...Curculionoidea of Sonora, Mexico ("Curcu-Sonora")
/portal/checklists/checklist.p...Eleodes of Arizona
/portal/checklists/checklist.p...Gelechiidae of America
/portal/checklists/checklist.p...Lepidoptera of Arizona
/portal/projects/index.php?pid=4National Park Service
/portal/checklists/checklist.p...Neotropical Xyleborini
/portal/checklists/checklist.p...Scarabaeoidea of Arizona
/portal/checklists/checklist.p...Weevils of North America
/portal/collections/misc/colls...Statistics
http://symbiota4.acis.ufl.edu/...New window External Subdomain LepNet
http://invertebase.org/portal/...New window External InvertEBase
http://symbiota.org/neotrop/en...New window External Neotropical Entomology
http://madrean.org/symbfauna/p...New window External Madrean Archipelago Biodiversity Assessment (MABA) - Fauna
https://parasitetracker.org/New window External Parasite Tracker
http://mycoportal.org/portal/i...New window External MyCoPortal
http://lichenportal.org/portal...New window External Consortium of North American Lichen Herbaria
http://lichenportal.org/arctic...New window External Arctic Lichen Flora
http://swbiodiversity.org/sein...New window External SEINet
http://sernecportal.org/portal/New window External SouthEast Regional Network of Expertise and Collections (SERNEC)
http://midwestherbaria.org/por...New window External Consortium of Midwest Herbaria
http://intermountainbiota.org/...New window External Intermountain Region Herbaria Network (IRHN)
http://nansh.org/portal/index.phpNew window External North American Network of Small Herbaria
http://ngpherbaria.org/portal/...New window External Northern Great Plains Herbaria
http://portal.neherbaria.org/p...New window External Subdomain Consortium of Northeastern Herbaria (CNH)
http://swbiodiversity.unm.edu/New window External Subdomain New Mexico Biodiversity Portal
http://madrean.org/symbflora/p...New window External Madrean Archipelago Biodiversity Assessment (MABA) - Flora
http://herbariovaa.org/New window External Herbario Virtual Austral Americano
http://cotram.org/New window External CoTRAM ??? Cooperative Taxonomic Resource for Amer. Myrtaceae
http://symbiota.org/neotrop/pl...New window External Neotropical Flora
http://www.pacificherbaria.org/New window External Subdomain Consortium of Pacific Herbaria
http://bryophyteportal.org/por...New window External Consortium of North American Bryophyte Herbaria
http://bryophyteportal.org/fru...New window External Frullania Collaborative Research Network
http://macroalgae.org/portal/i...New window External Macroalgal Consortium Herbarium Portal
http://stricollections.org/por...New window External Smithsonian Tropical Research Institute Portal (STRI)
http://greatlakesinvasives.org...New window External Aquatic Invasives
http://collections.ala.org.au/New window External Subdomain Atlas of Living Australia
http://www.gbif.org/New window External Subdomain GBIF
https://www.idigbio.org/New window External Subdomain iDigBio
http://splink.cria.org.br/New window External Subdomain Species Link
http://symbiota.org/docs/New window External Symbiota
http://symbiota.org/docs/symbi...New window External Symbiota Help
http://symbiota.org/docs/googl...New window External Symbiota Google Group
/portal/collections/misc/collp...Partners
/portal/misc/contacts.phpContacts
/portal/collections/individual...New window IMG-ALT Eremobates pallipes
/portal/collections/individual...New window Eremobates pallipes; ZA.18350; Cushing, Paula E. 2006-07-10
/portal/collections/individual...New window IMG-ALT Euryopis scriptipes
/portal/collections/individual...New window Euryopis scriptipes; ZA.33883; Cushing, Paula E. 2007-05-25
/portal/taxa/index.php?taxon=P...New window IMG-ALT Pardosa xerampelina
/portal/taxa/index.php?taxon=P...New window Text duplicate Pardosa xerampelina
/portal/collections/individual...New window IMG-ALT Theridion differens
/portal/collections/individual...New window Theridion differens; ZA.22564; Vogel, Beatrice R. 1961-06-12
/portal/collections/individual...New window IMG-ALT Apion graciliforme
/portal/collections/individual...New window Apion graciliforme; USNMType1280; Smith, J.B. 43
/portal/collections/individual...New window IMG-ALT Cesonia sincera
/portal/collections/individual...New window Cesonia sincera; ZA.37732; Cushing, Paula E. 2009-06-15
/portal/collections/individual...New window IMG-ALT Eremobatidae
/portal/collections/individual...New window Eremobatidae; ZA.26761; Cushing, Paula E. 2011-04-28
/portal/collections/individual...New window IMG-ALT Zelotes lasalanus
/portal/collections/individual...New window Zelotes lasalanus; ZA.8840; Cushing, Paula E. 2004-05-15
/portal/collections/individual...New window IMG-ALT Glenognatha foxi
/portal/collections/individual...New window Glenognatha foxi; ZA.7355; Cushing, Paula E. 2004-10-02
/portal/collections/individual...New window IMG-ALT Drassodes gosiutus
/portal/collections/individual...New window Drassodes gosiutus; ZA.3488; Cushing, Paula E. 2000-10-08
http://parasitetracker.org/New window External Terrestrial Parasite Tracker (TPT)
http://invertebase.org/portal/...New window External InvertEBase TCN.
https://scan-all-bugs.org/New window External SCAN WordPress site
https://biokic.asu.edu/New window External Subdomain IMG-ALT ASU
https://www.bon-earth.org/New window External Subdomain IMG-ALT Bon Earth
https://www.idigbio.org/New window External Subdomain Text duplicate IMG-ALT iDigBio
http://www.nsf.gov/awardsearch...New window External Subdomain IMG-ALT The National Science Foundation
https://www.usda.gov/New window External Subdomain IMG-ALT USDA
https://www.usgs.gov/New window External Subdomain IMG-ALT USGS

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://scan-bugs.org/portal/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is slow (1.40 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This page loads 4 CSS files. This may affect the page load time negatively.
This page only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (45 kB).

HTTP Response Header

NameValue
servernginx
dateTue, 13 May 2025 19:25:11 GMT
content-typetext/html; charset=UTF-8
transfer-encodingchunked
connectionkeep-alive
x-powered-byPHP/7.3.20
set-cookie44 Characters
expiresThu, 19 Nov 1981 08:52:00 GMT
pragmano-cache
cache-controlprivate
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 22 referring domains.
This page has 35 backlinks.
This page has backlinks from 21 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: PetalBot
Disallow: /

User-agent: *  

Crawl-delay: 600
Sitemap: /portal/sitemap.php

Allow: /portal/index.php 
Allow: /portal/checklists/index.php 
Allow: /portal/checklists/checklist.php 
Allow: /portal/games/index.php 
Allow: /portal/ident/index.php 
Allow: /portal/imagelib/index.php 
Allow: /portal/projects/index.php 
Allow: /portal/taxa/index.php
Allow: /portal/sitemap.php  

Disallow: /portal/checklists/clgmap.php 
Disallow: /portal/checklists/tools/ 
Disallow: /portal/checklists/rpc/ 
Disallow: /portal/classes/ 
Disallow: /collections/list.php  
Disallow: /portal/collections/ 
Disallow: /portal/css/ 
Disallow: /portal/docs/ 
Disallow: /portal/ident/clgmap.php 
Disallow: /portal/ident/key.php 
Disallow: /portal/ident/loadingcl.php 
Disallow: /portal/ident/tools/ 
Disallow: /portal/imagelib/support/ 
Disallow: /portal/images/ 
Disallow: /portal/js/ 
Disallow: /portal/lib/ 
Disallow: /portal/misc/ 
Disallow: /portal/profile/ 
Disallow: /portal/support/ 
Disallow: /portal/taxa/admin/ 
Disallow: /portal/temp/ 
Disallow: /portal/tools/

Similar sites

Search preview

scan-bugs.org › portal
SCAN Home

Most important keywords

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

KeywordResultRecheck
SCAN74%Check
Portal58%Check
Data Portal54%Check
SCAN serves54%Check
Data50%Check
Network50%Check
Collections50%Check
Species50%Check
Symbiota50%Check
arthropod50%Check
Show more keywords and terms

Automatically check scan-bugs.org including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions