Optica.org - SEO Checker

Overview of the SEO Check
Meta information
81% 
Page quality
86% 
Page structure
75% 
Link structure
63% 
Server
10% 
External factors
100% 
SEO Score
Response time
0.86 s
File size
77.60 kB
Words
549
Media files
7
Number of links
100 internal / 36 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | Optica
The page title is too short. (130 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.
The length of the meta description is perfect. (908 pixels out of 1000 max pixel length)
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)
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
descriptionOptica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.
viewportwidth=device-width,initial-scale=1.0,shrink-to-fit=no
google-site-verificationlFCb00qSSgOFRJPRNVs7uUFxoUJzHBMnDOxBPnuA4qA
facebook-domain-verificationmfx4ntf75cih86ugui5adb5sb913if
msapplication-TileColor#603cba
theme-color#771bc9
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 28 words is high.
This page contains 549 words. That's ok.
21.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 7 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width,initial-scale=1.0,shrink-to-fit=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: other optica sites
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
...4/04apr/feature_fnd_amplify.png?ext=.pngAmplify thumbnail
...04apr/feature_ce_oim-cancer.jpg?ext=.jpgOIM - Cancer Diagnosis and Treatment thumbnail
...dshots/i/joe-izatt-expanded.jpg?ext=.jpgRemembering Joseph Izatt thumbnail
...c/feature_pubs23_quantum_02.jpg?ext=.jpg[image] Michael Raymer
...er_2_1600x900_1.jpg?t=638243398717810486Two People Working on a Computer
...e_membership22_see_yourself.jpg?ext=.jpgNetworking at an Optica Event
...tica.org/eWeb/images/img_transparent.gifImage for keeping the session alive

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H3 Potential is universal. Resources are not.
H3 Join us in transforming the landscape of breast and prostate cancer diagnosis and treatment.
H3 Remembering Joseph Izatt.
H3 The latest issue is online.
H3 Inspirational members of the Optica community.
H3 Visit the Author Resource Center.
H3 See yourself in Optica.Join now.
H6 Foundation
H6 Industry
H6 Obituary
H6 Optica Publishing Group
H6 Get Involved
H6 Optica Publishing Group Duplicate text
H6 Membership
H6 Optica.org
H6 Information
H6 Helpful Links
H6 About Us
Some internal link anchor texts are too long.
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.
There are too many external links (36) on this page.
LinkAttributesAnchor text
https://www.optica.org/Anchor Skip To Content
http://www.optica.org/Subdomain Optica
/membership/join/Join Optica
/account/login/?returnUrl=/Log In
https://awards.optica.org/External Subdomain BEAM
https://www.cleoconference.org/External Subdomain CLEO
https://www.frontiersinoptics....External Subdomain FIO+LS
https://www.gemminitiative.org/External Subdomain GEMM Initiative
https://www.optica.org/historySubdomain Living History
https://www.lightourfuture.org/External Subdomain NPI
https://www.ofcconference.org/External Subdomain OFC
https://www.optica-opn.org/External Subdomain OPN
https://opg.optica.org/External Subdomain Optica Publishing Group
https://www.opticastore.org/External Subdomain Optica Store
https://www.optics4kids.org/External Subdomain Optics 4 Kids
https://prism.optica.org/External Subdomain Prism
/publications/Publications
https://prism.optica.org/External Subdomain Submit a paper to Optica Publishing Group's world-class journals. Submit A Paper >
https://opg.optica.org/submit/...External Subdomain Learn more about our Open Access options. Open Access Overview >
https://opg.optica.org/library/External Subdomain Discover how to provide access to our content at your institution. Library Subscriptions >
https://www.optica.org/events/Events
https://www.optica.org/events/Event Calendar
/events/meeting_opportunities/Services
/events/meeting_archives/Archives
/events/focus/Keep current with events and meetings information. Sign Up for Email Notifications >
/events/meeting_opportunities/...We recognize meetings that enhance the optics and photonics community. Request an Endorsement >
/membership/Membership
/membership/benefits_services/Benefits & Services
/membership/distinguished_hono...Distinguished & Honorary
/membership/join/Text duplicate Join Optica
/membership/member_programs/Member Programs
/membership/member_resources/Member Resources
/membership/join/Connect with an unparalleled global network of leading optics and photonics professionals. Join Optica >
/membership/benefits_services/Exclusive access to an industry network, cutting-edge information and valuable resources to enhance your career and grow your business. Benefits & Services >
https://www.optica.org/industry/Industry
/industry/corporate_membership/Corporate Membership
/industry/online_industry_libr...Online Industry Library
/industry/industry_events/Industry Events
/industry/exhibitions/Promotional Opportunities
/industry/online_industry_libr...Make better business decisions with trusted industry intelligence from Optica. Industry Intelligence >
/industry/industry_events/Grow your business network at an Optica industry event. Industry Events >
https://www.optica.org/careers/Careers
/careers/explore_careers/Explore Careers
/careers/for_employers/For Employers
/careers/professional_developm...Professional Development
/careers/for_employers/Submit your job listing to Work in Optics Add a job listing >
/careers/professional_developm...Career Webinars Career Programming >
/foundation/Foundation
/foundation/about/About
/foundation/donate/Donate
/foundation/schools_training_p...Schools & Training Programs
/foundation/opportunities/Opportunities
https://account.osa.org/eweb/D...External Subdomain Support and recognize the next generation of optics and photonics Donate >
/foundation/about/annual_report/Read our annual report and highlights Explore our Impact >
/get_involved/Get Involved
/get_involved/awards_and_honors/Awards & Honors
/get_involved/diversity_inclus...Diversity, Equity and Inclusion
/get_involved/earlycareer/Early Career
/get_involved/education_outreach/Education Outreach
/get_involved/public_policy/Global Policy & Affairs
/get_involved/local_section/Local Sections
/get_involved/students/Students
/get_involved/technical_groups/Technical Groups
/get_involved/volunteer/Volunteer
/get_involved/technical_groups/Expand your network and discover tailored events and activities Join a Technical Group >
/get_involved/awards_and_honors/Several of Optica's awards and honors are accepting nominations. Learn more. Nominate a colleague >
https://www.optica.org/about/Text duplicate About
/about/optica_community/Optica Community
/about/about_our_brand/About our Brand
/about/strategy/Strategy
/about/leadership_and_volunteers/Leadership and Volunteers
/about/newsroom/Newsroom
https://www.optica.org/history/Text duplicate Living History
/about/work_at_optica/Work at Optica
/about/what_is_optics/What is Optics
/media_library/Video Library
/about/contact/Contact Us
/about/policies/Policies
/about/newsroom/news_releases/...Subdomain Read Now >
/events/webinar/2024/06_june/o...Subdomain View More >
/about/newsroom/obituaries/202...Text duplicate Read Now >
https://opg.optica.org/opticaq...External Subdomain The latest issue is online.
https://opg.optica.org/opticaq...External Subdomain Read Now
/about/optica_community/Subdomain Text duplicate Read Now
https://opg.optica.org/author/...External Subdomain Visit the Author Resource Center.
https://opg.optica.org/author/...External Subdomain View More
/membership/Subdomain See yourself in Optica.Join now.
/membership/Subdomain Learn More
/publications/Text duplicate Publications
https://www.optica.org/events/Text duplicate Events
/membership/Text duplicate Membership
https://www.optica.org/industry/Text duplicate Industry
https://www.optica.org/help/Help
/about/contact/Text duplicate Contact Us
/about/policies/Policies & Legal
https://account.osa.org/eweb/d...External Subdomain Join Optica or Renew
https://opticastore.org/External Store
https://www.optica.org/events/Find an Event
https://awards.optica.org/External Subdomain Text duplicate BEAM
https://www.cleoconference.org/External Subdomain Text duplicate CLEO
https://www.frontiersinoptics....External Subdomain Text duplicate FIO+LS
https://www.gemminitiative.org/External Subdomain Text duplicate GEMM Initiative
https://www.optica.org/historySubdomain Text duplicate Living History
https://www.lightourfuture.org/External Subdomain Text duplicate NPI
https://www.ofcconference.org/External Subdomain Text duplicate OFC
https://www.optica-opn.org/External Subdomain Text duplicate OPN
https://opg.optica.org/External Subdomain Text duplicate Optica Publishing Group
https://www.opticastore.org/External Subdomain Text duplicate Optica Store
https://www.optics4kids.org/External Subdomain Text duplicate Optics 4 Kids
https://prism.optica.org/External Subdomain Text duplicate Prism
/publications/Text duplicate Publications
https://prism.optica.org/External Subdomain Submit A Paper
https://opg.optica.org/submit/...External Subdomain Open Access Overview
https://opg.optica.org/library/External Subdomain Library Subscriptions
https://www.optica.org/events/Text duplicate Events
/events/focus/Sign Up for Email Notifications
/events/meeting_opportunities/...Request an Endorsement
/membership/Text duplicate Membership
/membership/join/Text duplicate Join Optica
/membership/benefits_services/Text duplicate Benefits & Services
https://www.optica.org/industry/Text duplicate Industry
/industry/online_industry_libr...Industry Intelligence
/industry/industry_events/Text duplicate Industry Events
https://www.optica.org/careers/Text duplicate Careers
/careers/for_employers/Add a job listing
/careers/professional_developm...Career Programming
/foundation/Text duplicate Foundation
https://account.osa.org/eweb/D...External Subdomain Text duplicate Donate
/foundation/about/annual_report/Explore our Impact
/get_involved/Text duplicate Get Involved
/get_involved/technical_groups/Join a Technical Group
/get_involved/awards_and_honors/Nominate a colleague
https://www.optica.org/about/Text duplicate About
/membership/join/Text duplicate Join Optica
/account/login/Subdomain Text duplicate Log In
/account/logoutSubdomain Log Out

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.optica.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time of 0.86 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 5 CSS files. This may affect the page load time negatively.
This page loads 7 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (78 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=utf-8
serverMicrosoft-IIS/10.0
request-contextappId=cid-v1:ecfa220b-0954-4307-8331-c59b021d2cce
content-security-policydefault-src 'self' *.materialdesignicons.com *.azurefd.net *.jsdelivr.net *.zoom.us *.doubleclick.net *.cloudfront.net *.googlesyndication.com *.twitter.com *.opticsinfobase.org *.titanembeds.com *.boltdns.net blob:; script-src 'self' 'unsafe-inline' 'unsafe-eval' *.osa.org *.talkjs.com *.googleapis.com *.3playmedia.com s3.amazonaws.com https://challenges.cloudflare.com/turnstile/ https://unpkg.com *.jsdelivr.net *.cvent.com cdn.mxpnl.com *.mixpanel.com https://zoom.us *.zoom.us code.jquery.com *.twitter.com adservice.google.com *.doubleclick.net *.ampproject.org *.googlesyndication.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com www.googleadservices.com www.google.com tagmanager.google.com www.googletagservices.com *.brightcove.net *.zencdn.net *.twimg.com *.ytimg.com www.youtube.com *.myfonts.net *.simpli.fi www.gstatic.com *.licdn.com *.knightlab.com blob:; style-src * 'unsafe-inline'; img-src * data:; font-src * data:; connect-src 'self' cdn.opticsinfobase.org *.gstatic.com *.googleapis.com *.google-analytics.com *.google.com *.3playmedia.com *.cloudfront.net *.osa.org http://www.frontiersinoptics.com www.frontiersinoptics.org www.cleoconference.org www.ofcconference.com api-js.mixpanel.com www.google-analytics.com *.brightcove.com *.brightcove.net *.boltdns.net *.googlesyndication.com *.akamaihd.net *.doubleclick.net https://unpkg.com *.zoom.us wss://*.zoom.us wss://*.osa.org https://*.linkedin.com blob:; media-src 'self' *.osa.org *.talkjs.com *.zoom.us *.boltdns.net *.akamaihd.net blob:; object-src 'self' *.azurefd.net cdn.opticsinfobase.org cdn.materialdesignicons.com *.cloudfront.net *.googlesyndication.com *.blob.core.windows.net https://*.zoom.us blob:; frame-src 'self' *.azurefd.net *.brightcove.net *.cloudfront.net *.blob.core.windows.net *.osa.org cdn.opticsinfobase.org *.frontiersinoptics.com *.google.com *.googlesyndication.com *.youtube.com https://challenges.cloudflare.com/ https://*.doubleclick.net; frame-ancestors 'self' *.osa.org *.frontiersinoptics.com
x-content-type-optionsnosniff
referrer-policysame-origin
set-cookie133 Characters
x-powered-byASP.NET
dateWed, 24 Apr 2024 07:39:49 GMT
transfer-encodingchunked
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 6,658 referring domains.
This page has 1,780,190 backlinks.
This page has backlinks from 3,758 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Search preview

www.optica.org
Home | Optica
Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.

Most important keywords

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

KeywordResultRecheck
Optica86%Check
Join Optica64%Check
Optica Sites64%Check
Member58%Check
Optica Publishing Group56%Check
Membership52%Check
org52%Check
information50%Check
Optics46%Check
photonics46%Check

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