Rp-photonics.com - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
75% 
Page quality
71% 
Page structure
100% 
Link structure
31% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.05 s
File size
16.40 kB
Words
494
Media files
13
Number of links
65 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
RP Photonics AG - the Company
The length of the page title is perfect. (294 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The company RP Photonics AG is an independent and privately owned company, providing competent technical consulting services, simulation software and digital marketing in photonics.
The meta description is too long: 1150 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.rp-photonics.com/company.html
The specified canonical link points to a different page.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Switzerland
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 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
date2025-05-10
descriptionThe company RP Photonics AG is an independent and privately owned company, providing competent technical consulting services, simulation software and digital marketing in photonics.
copyright2025 RP Photonics AG
authorDr. Rüdiger Paschotta
publisherRP Photonics AG
keywordscompany, RP Photonics, Paschotta
langen
content-typetext/html; charset=UTF-8
Content-Security-Policydefault-src 'self'; img-src 'self'; script-src 'self' 'nonce-mqslOlco8z8B4B1AA29bZw=='; style-src 'self' 'unsafe-inline'; form-action 'self'; base-uri 'self'; frame-src 'self';

Automatically check rp-photonics.com including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
There are only 494 words on this page. Good pages should have about 800 words of useful content.
28.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
12 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 21.69 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" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 10 tags for this page.
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
/img/rp_photonics_logo.pngRP Photonicsclick to learn on the company RP Photonics
/img/tour_bus.png 
/img/tour_bus.png 
/img/rp_fiber_power_small.pngRP Fiber Power
/img/rp_resonator_small.pngRP Resonator
/img/rp_propulse_small.pngRP ProPulse
/img/rp_coating_small.pngRP Coating
https://www.rp-photonics.com/img/lasers.pngLasers and Amplifiers
https://www.rp-photonics.com/img/nonlin.pngNonlinear Optics
https://www.rp-photonics.com/img/fibers.pngFiber Optics
https://www.rp-photonics.com/img/pulses.pngUltrashort Pulses
https://www.rp-photonics.com/img/noise.pngFluctuations and Noise
https://www.rp-photonics.com/img/energy.pngEnergy

Page structure

H1 heading
(Critically important)
The Company RP Photonics
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 The Company RP Photonics
H2 RP Photonics Encyclopedia
H2 RP Photonics Buyer's Guide
H2 RP Photonics Software
H2 Technical Consulting
H2 The Companies
H3 Advanced simulation & design software:
H3 RP Photonics AG (Switzerland)
H3 RP Photonics Consulting GmbH (Germany)
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 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
/encyclopedia.htmlEncyclopedia
A-TITLE This is the famous encyclopedia with over 1000 high-quality articles. New: AI-based semantic search!
/buyersguide.htmlBuyer's Guide
A-TITLE Here you find the RP Photonics Buyer's Guide and Virtual Exhibition. Find suppliers for photonics products, or advertise your products. New: AI-based feature...
/software.htmlSoftware
A-TITLE We offer high quality simulation & design software, e.g. for laser design, fiber optics and thin-film optics. Boost the quality and efficiency of your develo...
/consulting.htmlConsulting
A-TITLE We offer technical consulting services, including tailored training courses!
/company.htmlIMG-ALT RP Photonics
/company.htmlThe company
/company.htmlOverview
/paschotta.htmlThe Founder
/team.htmlThe Team
/standards.htmlStandards
/publications.htmlPublications
/news.htmlNews
/website.htmlWebsite
/contact.htmlContact
/company.htmlCompany
/photonics.htmlphotonics
/paschotta.htmlDr. Rüdiger Paschotta
/encyclopedia.html?tour=Encycl...No Text
/encyclopedia.html?tour=Encycl...RP Photonics Encyclopedia tour
/privacy.htmlprivacy
/buyersguide.htmlRP Photonics Buyer's Guide
/tutorials.htmlvaluable tutorials and case studies
/spotlight.htmlPhotonics Spotlight
/glossary.htmlglossary of photonics terms
/quiz.htmlPhotonics Quiz
/website_statistics.htmlextremely popular website
/marketing_glossary.htmlpage views
/encyclopedia.html→ go to the Encyclopedia
/encyclopedia.html?tour=Using_...Using the Buyer's Guide
/encyclopedia.html?tour=Advert...Advertising in the Buyer's Guide
/encyclopedia.htmlRP Photonics Encyclopedia
/exhibition.htmlvirtual exhibition
/website_statistics.htmlhuge traffic
/bg_ad_package.htmlAdvertising Package
/buyersguide.html→ go to the Buyer's Guide
/rp_fiber_power.htmlIMG-ALT RP Fiber Power
A-TITLE for designing active and passive fiber devices
/rp_resonator.htmlIMG-ALT RP Resonator
A-TITLE for designing laser resonators
/rp_propulse.htmlIMG-ALT RP ProPulse
A-TITLE for simulating ultrashort pulse propagation
/rp_coating.htmlIMG-ALT RP Coating
A-TITLE for designing multilayer coatings
/software.html→ go to the software pages
/topics_lasers.html?v2IMG-ALT Lasers and Amplifiers
/topics_lasers.html?v3Text duplicate Lasers and Amplifiers
/topics_nonlinear.html?v2IMG-ALT Nonlinear Optics
/topics_nonlinear.html?v3Text duplicate Nonlinear Optics
/topics_fibers.html?v2IMG-ALT Fiber Optics
/topics_fibers.html?v3Text duplicate Fiber Optics
/topics_pulses.html?v2IMG-ALT Ultrashort Pulses
/topics_pulses.html?v3Text duplicate Ultrashort Pulses
/topics_noise.html?v2IMG-ALT Fluctuations and Noise
/topics_noise.html?v3Text duplicate Fluctuations and Noise
/topics_energy.html?v2IMG-ALT Energy
/topics_energy.html?v3Text duplicate Energy
/paschotta.htmlhighly reputed expert
/encyclopedia.htmlText duplicate RP Photonics Encyclopedia
/fg_lasers.htmlbooks
/scipubs.htmlover 100 scientific journal papers
/consulting.html→ go to the consulting pages
/news_move_ch_2022.htmlmove from Germany to Switzerland in 02/2022
/contact.htmlcontact information
/paschotta.htmlText duplicate Dr. Rüdiger Paschotta
/news_move_ch_2022.htmlRP Photonics is back in Switzerland
/company.htmlAbout RP Photonics
/paschotta.htmlFounder and managing director
/contact.htmlContact and legal info
/privacy.htmlData privacy
https://www.linkedin.com/compa...New window External Subdomain Company page
https://www.linkedin.com/in/rp...New window External Subdomain RP page

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.rp-photonics.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.05 seconds.
The file size of the HTML document is fine (16 kB).

HTTP Response Header

NameValue
content-security-policydefault-src 'self'; img-src 'self'; script-src 'self' 'nonce-mqslOlco8z8B4B1AA29bZw=='; style-src 'self' 'unsafe-inline'; form-action 'self'; base-uri 'self'; frame-src 'self'; frame-ancestors 'self';
content-typetext/html; charset=UTF-8
cache-controlpublic, max-age=1800
expiresSun, 25 May 2025 02:55:39 GMT
content-encodingbr
varyAccept-Encoding
dateSun, 25 May 2025 02:25:39 GMT
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-frame-optionsDENY
x-content-type-optionsnosniff
referrer-policyorigin-when-cross-origin
alt-svch3=":443"; ma=2592000, h3-29=":443"; ma=2592000, h3-Q050=":443"; ma=2592000, h3-Q046=":443"; ma=2592000, h3-Q043=":443"; ma=2592000, quic=":443"; ma=2592000; v="43,46"
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 116 referring domains.
This page has 660 backlinks.
This page has backlinks from 78 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

Sitemap: https://www.rp-photonics.com/sitemap.xml
User-agent: *
Disallow: /img/
Allow: /img/*.ico
Allow: /img/*.png
Allow: /img/*.jpg
Allow: /img/*.gif
Allow: /img/*.webp
Allow: /img/*.svg
Disallow: /*.php*
Allow: /download.php
Disallow: /bg/supplierboxes/*
Disallow: /*.rss*

Similar sites

Search preview

www.rp-photonics.com
RP Photonics AG - the Company
The company RP Photonics AG is an independent and privately owned company, providing competent technical consulting services, simulation software and digital marketing in photonics.

Most important keywords

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

KeywordResultRecheck
Photonics96%Check
RP Photonics96%Check
Company RP Photonics89%Check
RP Photonics AG83%Check
Company80%Check
RP Photonics Encyclopedia75%Check
photonics suppliers63%Check
privately owned company57%Check
Consulting54%Check
Software54%Check
Show more keywords and terms

Automatically check rp-photonics.com 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