Optica-opn.org - SEO Checker

Overview of the SEO Check
Meta information
70% 
Page quality
81% 
Page structure
58% 
Link structure
25% 
Server
20% 
External factors
100% 
SEO Score
Response time
1.13 s
File size
80.20 kB
Words
862
Media files
29
Number of links
103 internal / 25 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Optics & Photonics News - Home
The length of the page title is perfect. (300 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Optics & Photonics News (OPN) is the monthly news and feature magazine published by Optica (formerly OSA). It provides in-depth coverage of recent developments in the field of optics and offers busy professionals the tools they need to succeed in the optics industry, as well as informative pieces on a variety of topics such as science and society, education, technology and business.
The meta description is too long: 2377 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.optica-opn.org/home/
The specified canonical link points to a different page.
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
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
google-site-verificationCsUCSEnKf8_k8lxpoN1L_Ryu6pBX4HuAm0GHjJg18WY
DescriptionOptics & Photonics News (OPN) is the monthly news and feature magazine published by Optica (formerly OSA). It provides in-depth coverage of recent developments in the field of optics and offers busy professionals the tools they need to succeed in the optics industry, as well as informative pieces on a variety of topics such as science and society, education, technology and business.
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theme-color#000000
twitter:descriptionOptics & Photonics News (OPN) is the monthly news and feature magazine published by Optica (formerly OSA). It provides in-depth coverage of recent developments in the field of optics and offers busy professionals the tools they need to succeed in the optics industry, as well as informative pieces on a variety of topics such as science and society, education, technology and business.
twitter:imagehttps://opnmedia.blob.core.windows.net/$web/opn/media/images/logos/opn-masthead-one-line_rgb.svg?ext=.svg
twitter:site@opnmagazine
og:descriptionOptics & Photonics News (OPN) is the monthly news and feature magazine published by Optica (formerly OSA). It provides in-depth coverage of recent developments in the field of optics and offers busy professionals the tools they need to succeed in the optics industry, as well as informative pieces on a variety of topics such as science and society, education, technology and business.
og:imagehttps://opnmedia.blob.core.windows.net/$web/opn/media/images/logos/opn-masthead-one-line_rgb.svg?ext=.svg
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
There are 8 text duplicates on this page:
  • Duplicate 1: Startup receives €9 million in series A funding to support clinical tr...
  • Duplicate 2: Chip-based device is compatible with fairly simple detectors thanks to...
  • Duplicate 3: A novel experimental approach can enable a standard microscope to visu...
  • Duplicate 4: Milky Way dust emission as measured from the Planck satellite and conv...
This page contains 862 words. That's ok.
26.6% 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.
20 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 18.71 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 6 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, shrink-to-fit=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 94 characters this one is longer than 70 characters:
"copyright 2025 optica. all rights reserved. | image use policy | privacy policy | terms of use"
Image SEO
(Somewhat important)
1 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...logo_optica_nodescriptor_reverse_rgb.svgOptica
...ages/logos/opn-masthead-one-line_rgb.svgOptics and Photonics News
...epartments/202505-cover-web.jpg?ext=.jpgIllustration of optical skyrmions. [Y. Shen]
...01/20250508_01_news_750x338.jpg?ext=.jpgIce Loss Narrows Spectrum of Ocean Light
...nts/202505-p18-convo-icon02.jpg?ext=.jpgReal-Time Diagnostics, Without the Lab
...0514/20250514_industry_icon.jpg?ext=.jpgAzalea Vision Secures Funds for Smart Vision Platform
...20250514/20250514_news_icon.jpg?ext=.jpgSingle-Photon Source Points The Way to Quantum Networks
...20250515/20250515_news_icon.jpg?ext=.jpgOptical Microscope Pictures the Brain
...eweek/2025/25-05-09-hp-icon.jpg?ext=.jpgMilky Way Spiral  
...epartments/202505-cover-web.jpg?ext=.jpgcurrent issue magazine cover
...ustry_20250515_icon-image01.jpg?ext=.jpgZeiss and Alpenglow Partner on Light-Sheet Microscopy
...20250515/20250515_news_icon.jpg?ext=.jpgOptical Microscope Pictures the Brain
...0514/20250514_industry_icon.jpg?ext=.jpgAzalea Vision Secures Funds for Smart Vision Platform
...20250514/20250514_news_icon.jpg?ext=.jpgSingle-Photon Source Points The Way to Quantum Networks
...08_01/20250508_01_news_icon.jpg?ext=.jpgIce Loss Narrows Spectrum of Ocean Light
...502-p24-daukantas-750x338px.jpg?ext=.jpgGenerating and Detecting Deepfakes: A 21st-Century Arms Race
...page/202501-p18-market-icon.jpg?ext=.jpgHow Much Is Optics and Photonics Worth?
...mepage/202406-p16-info-icon.jpg?ext=.jpgGlobal Quantum Funding
...page/202504-p64-aftimg-icon.jpg?ext=.jpgFar-UV Photo of Earth
...eweek/2025/25-05-09-hp-icon.jpg?ext=.jpgMilky Way Spiral
...s/202505-p24-quantum-icon01.jpg?ext=.jpgQuantum in Africa
...page/202505-p20-career-icon.jpg?ext=.jpgThe Ins and Outs of Technical Proposals
...513/20250513_careers_icon_1.jpg?ext=.jpgJourneys in Optics: Aparajita Bandyopadhyay
...50401/20250401_careers_icon.jpg?ext=.jpgJourneys in Optics: Milana Kendrisic
...41105/20241105_careers_icon.jpg?ext=.jpgJourneys in Optics: Alejandro Velez-Zea
...41029/20241029_careers_icon.jpg?ext=.jpgAmbassadors and Chapters Driving Optics Education and Career Advancement
...41018_careers_image_01_icon.jpg?ext=.jpgA Career in Subsea: The Final (Fiber) Frontier
...eb/opn/media/images/logos/opn-footer.svgNo alt attribute provided
...media/images/logos/optica-white-2023.pngOptica

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.
There are 37 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H3 Ice Loss Narrows Spectrum of Ocean Light
H3 Generating and Detecting Deepfakes: A 21st-Century Arms Race
H3 Milky Way Spiral
H3 Quantum in Africa
H3 The Ins and Outs of Technical Proposals
H5 LATEST NEWS
H5 EDITOR'S PICKS
H5 How Much Is Optics and Photonics Worth?
H5 Global Quantum Funding
H5 Far-UV Photo of Earth
H5 CAREERS
H6 ADVERTISEMENT
H6 Explore Latest
H6 Multimedia
H6 The Magazine
H6 Information
H6 Real-Time Diagnostics, Without the Lab
H6 Azalea Vision Secures Funds for Smart Vision Platform
H6 Single-Photon Source Points The Way to Quantum Networks
H6 Optical Microscope Pictures the Brain
H6 Milky Way Spiral Duplicate text
H6 Zeiss and Alpenglow Partner on Light-Sheet Microscopy
H6 Optical Microscope Pictures the Brain Duplicate text
H6 Azalea Vision Secures Funds for Smart Vision Platform Duplicate text
H6 Single-Photon Source Points The Way to Quantum Networks Duplicate text
H6 Ice Loss Narrows Spectrum of Ocean Light Duplicate text
H6 ADVERTISEMENT Duplicate text
H6 ADVERTISEMENT Duplicate text
H6 Journeys in Optics: Aparajita Bandyopadhyay
H6 Journeys in Optics: Milana Kendrisic
H6 Journeys in Optics: Alejandro Velez-Zea
H6 Ambassadors and Chapters Driving Optics Education and Career Advancement
H6 A Career in Subsea: The Final (Fiber) Frontier
H6 Explore Latest Duplicate text
H6 Multimedia Duplicate text
H6 The Magazine Duplicate text
H6 Information Duplicate text
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.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 25 external links on this page.
LinkAttributesAnchor text
https://www.optica-opn.org/Anchor Skip To Content
https://www.optica.org/External Subdomain IMG-ALT Optica
https://www.optica.org/join?ut...External Subdomain JOIN OPTICA
/account/login?returnUrl=/Member Login
https://www.optica-opn.org/IMG-ALT Optics and Photonics News
https://x.com/OPNmagazineNew window External No Text
https://www.facebook.com/optic...New window External Subdomain No Text
https://www.instagram.com/opti...New window External Subdomain No Text
/home/newsResearch and Industry News
/home/careersCareers
/home/booksBook Reviews
/home/gallery/after_images/After Image
/home/gallery/image_of_the_week/Image of the Week
/home/extras/opn_infographicsInfographics
/home/gallery/videos/OPN Video
/home/gallery/photo_contests/Photo Contest
/home/archiveArchive
/home/magazineLatest Issue
/home/aboutAbout OPN
/home/contactContact
/home/advertiserFor Advertisers
/home/authorFor Authors
/home/articles/volume_36/may_2...IMG-ALT Illustration of optical skyrmions. [Y. Shen]
https://opg.optica.org/External Subdomain Optica Publishing Group
https://prism.osapublishing.org/External Subdomain PRISM
https://awards.osa.org/External Subdomain BEAM
https://www.frontiersinoptics....External Subdomain FIO+LS
https://www.cleoconference.org/External Subdomain CLEO
https://www.ofcconference.org/External Subdomain OFC
https://www.optics4kids.org/External Subdomain Optics 4 Kids
https://www.opticseducation.org/External Subdomain Optics Education
https://www.optica.org/historyExternal Subdomain Living History
https://www.optica.org/ipacExternal Subdomain IPAC
https://www.gemminitiative.org/External Subdomain GEMM
https://www.lightthefuture.org/External Subdomain NPI
https://www.greenphotonicsguid...External Subdomain Green Photonics Guide
/home/newsroom/2025/may/ice_lo...Subdomain IMG-ALT Ice Loss Narrows Spectrum of Ocean Light
/home/newsroom/2025/may/ice_lo...Subdomain Text duplicate Ice Loss Narrows Spectrum of Ocean Light
/home/articles/volume_36/may_2...Subdomain IMG-ALT Real-Time Diagnostics, Without the Lab
/home/articles/volume_36/may_2...Subdomain Text duplicate Real-Time Diagnostics, Without the Lab
/home/industry/2025/may/azalea...Subdomain IMG-ALT Azalea Vision Secures Funds for Smart Vision Platform
/home/industry/2025/may/azalea...Subdomain Text duplicate Azalea Vision Secures Funds for Smart Vision Platform
/home/newsroom/2025/may/single...Subdomain IMG-ALT Single-Photon Source Points The Way to Quantum Networks
/home/newsroom/2025/may/single...Subdomain Text duplicate Single-Photon Source Points The Way to Quantum Networks
/home/newsroom/2025/may/optica...Subdomain IMG-ALT Optical Microscope Pictures the Brain
/home/newsroom/2025/may/optica...Subdomain Text duplicate Optical Microscope Pictures the Brain
/home/gallery/image_of_the_wee...Subdomain IMG-ALT Milky Way Spiral
/home/gallery/image_of_the_wee...Subdomain Text duplicate Milky Way Spiral
/home/articles/volume_36/may_2...IMG-ALT current issue magazine cover
/home/articles/volume_36/may_2...Topological Light Waves: Skyrmions Can Fly
/home/articles/volume_36/may_2...Squeezing on a Chip
/home/articles/volume_36/may_2...Early Laser Research Funding
/home/articles/volume_36/may_2...More from the issue
/home/archivePast Issues
/home/newsMore News >>
/home/industry/2025/may/zeiss_...IMG-ALT Zeiss and Alpenglow Partner on Light-Sheet Microscopy
/home/industry/2025/may/zeiss_...Text duplicate Zeiss and Alpenglow Partner on Light-Sheet Microscopy
/home/newsroom/2025/may/optica...Text duplicate IMG-ALT Optical Microscope Pictures the Brain
/home/newsroom/2025/may/optica...Text duplicate Optical Microscope Pictures the Brain
/home/industry/2025/may/azalea...Text duplicate IMG-ALT Azalea Vision Secures Funds for Smart Vision Platform
/home/industry/2025/may/azalea...Text duplicate Azalea Vision Secures Funds for Smart Vision Platform
/home/newsroom/2025/may/single...Text duplicate IMG-ALT Single-Photon Source Points The Way to Quantum Networks
/home/newsroom/2025/may/single...Text duplicate Single-Photon Source Points The Way to Quantum Networks
/home/newsroom/2025/may/ice_lo...Text duplicate IMG-ALT Ice Loss Narrows Spectrum of Ocean Light
/home/newsroom/2025/may/ice_lo...Text duplicate Ice Loss Narrows Spectrum of Ocean Light
/home/articles/volume_36/febru...Subdomain IMG-ALT Generating and Detecting Deepfakes: A 21st-Century Arms Race
/home/articles/volume_36/febru...Subdomain Text duplicate Generating and Detecting Deepfakes: A 21st-Century Arms Race
/home/articles/volume_36/janua...Subdomain IMG-ALT How Much Is Optics and Photonics Worth?
/home/articles/volume_36/janua...Subdomain Text duplicate How Much Is Optics and Photonics Worth?
/home/articles/volume_35/june_...Subdomain IMG-ALT Global Quantum Funding
/home/articles/volume_35/june_...Subdomain Text duplicate Global Quantum Funding
/home/gallery/after_images/202...Subdomain IMG-ALT Far-UV Photo of Earth
/home/gallery/after_images/202...Subdomain Text duplicate Far-UV Photo of Earth
/home/gallery/image_of_the_wee...Subdomain Text duplicate IMG-ALT Milky Way Spiral
/home/gallery/image_of_the_wee...Subdomain Text duplicate Milky Way Spiral
/home/articles/volume_36/may_2...Subdomain IMG-ALT Quantum in Africa
/home/articles/volume_36/may_2...Subdomain Text duplicate Quantum in Africa
/home/articles/volume_36/may_2...Subdomain IMG-ALT The Ins and Outs of Technical Proposals
/home/articles/volume_36/may_2...Subdomain Text duplicate The Ins and Outs of Technical Proposals
/home/careersMore Careers >>
/home/career/2025/may/journeys...IMG-ALT Journeys in Optics: Aparajita Bandyopadhyay
/home/career/2025/may/journeys...Text duplicate Journeys in Optics: Aparajita Bandyopadhyay
/home/career/2025/april/journe...IMG-ALT Journeys in Optics: Milana Kendrisic
/home/career/2025/april/journe...Text duplicate Journeys in Optics: Milana Kendrisic
/home/career/2024/november/jou...IMG-ALT Journeys in Optics: Alejandro Velez-Zea
/home/career/2024/november/jou...Text duplicate Journeys in Optics: Alejandro Velez-Zea
/home/career/2024/october/amba...IMG-ALT Ambassadors and Chapters Driving Optics Education and Career Advancement
/home/career/2024/october/amba...Text duplicate Ambassadors and Chapters Driving Optics Education and Career Advancement
/home/career/2024/october/a_ca...IMG-ALT A Career in Subsea: The Final (Fiber) Frontier
/home/career/2024/october/a_ca...Text duplicate A Career in Subsea: The Final (Fiber) Frontier
/home/newsText duplicate Research and Industry News
/home/careersText duplicate Careers
/home/booksText duplicate Book Reviews
/home/gallery/after_images/Text duplicate After Image
/home/gallery/image_of_the_week/Text duplicate Image of the Week
/home/extras/opn_infographicsText duplicate Infographics
/home/gallery/videos/Text duplicate OPN Video
/home/gallery/photo_contests/Text duplicate Photo Contest
/home/archiveText duplicate Archive
/home/magazineText duplicate Latest Issue
/home/aboutText duplicate About OPN
/home/contactText duplicate Contact
/home/advertiserText duplicate For Advertisers
/home/authorText duplicate For Authors
https://www.optica.org/join?ut...External Subdomain Text duplicate JOIN OPTICA
/account/login?returnUrl=/Log In
https://x.com/OPNmagazineNew window External No Text
https://www.facebook.com/optic...New window External Subdomain No Text
https://www.instagram.com/opti...New window External Subdomain No Text
https://www.optica-opn.org/home/No Text
/home/news/Text duplicate Research and Industry News
/home/careers/Text duplicate Careers
/home/books/Text duplicate Book Reviews
/home/gallery/image_of_the_week/Text duplicate Image of the Week
/home/gallery/videos/Text duplicate OPN Video
/home/gallery/after_images/Text duplicate After Image
/home/gallery/photo_contests/Text duplicate Photo Contest
/home/extras/opn_infographics/Text duplicate Infographics
/home/magazine/Text duplicate Latest Issue
/home/archive/Text duplicate Archive
/home/about/Text duplicate About OPN
/home/author/Text duplicate For Authors
/home/advertiser/Text duplicate For Advertisers
/home/contact/Text duplicate Contact
/home/image_use_policyImage Use Policy
https://www.optica.org/about/p...New window External Subdomain Privacy Policy
https://www.optica.org/en-us/a...New window External Subdomain Terms of Use
https://www.optica.org/External Subdomain Text duplicate IMG-ALT Optica

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.optica-opn.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 is slow (1.13 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 5 CSS files. This may affect the page load time negatively.
This page loads 6 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (80 kB).

HTTP Response Header

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set-cookie266 Characters
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x-content-type-optionsnosniff
referrer-policysame-origin
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dateFri, 16 May 2025 07:40:58 GMT
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External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 114 referring domains.
This page has 10,109 backlinks.
This page has backlinks from 93 different ip addresses.

Search preview

www.optica-opn.org
Optics & Photonics News - Home
Optics & Photonics News (OPN) is the monthly news and feature magazine published by Optica (formerly OSA). It provides in-depth coverage of recent developments in the field of optics and offers busy professionals the tools they need to succeed in the optics industry, as well as informative pieces on a variety of topics such as science and society, education, technology and business.

Most important keywords

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

KeywordResultRecheck
OPTICA74%Check
Optics68%Check
Photo68%Check
Optics Photonics67%Check
Optics Photonics News67%Check
News65%Check
Photonics63%Check
News Magazine62%Check
Optics Education61%Check
OPN59%Check

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