Rapp-opto.com - SEO Checker

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Overview of the SEO Check
Meta information
61% 
Page quality
77% 
Page structure
75% 
Link structure
36% 
Server
78% 
External factors
100% 
SEO Score
Response time
1.05 s
File size
123.70 kB
Words
510
Media files
12
Number of links
124 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Rapp OptoElectronic microscopy photomanipulation & illumination › Rapp OptoElectronic
The page title should be shorter than 580 pixels. It is 795 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
Rapp OptoElectronic is specialized in high-performance photomanipulation and illumination systems, microscope modification, multi-photon-, spinning disk- and deep-UV microscopy and accessories. The highly modular system components are mainly used as equipment for photomanipulation and imaging
The meta description is too long: 1883 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://rapp-opto.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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
descriptionRapp OptoElectronic is specialized in high-performance photomanipulation and illumination systems, microscope modification, multi-photon-, spinning disk- and deep-UV microscopy and accessories. The highly modular system components are mainly used as equipment for photomanipulation and imaging
robotsindex, follow
viewportwidth=device-width, initial-scale=1
langen-us
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 510 words. That's ok.
16.1% 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.
6 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.
The average number of words per sentence of 24.4 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)
11 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
...s/2023/05/rapp-logo-340pxblau-300x79.pngRapp OptoElectronic
...otomanipulation_overview_2x2-300x213.pngNo alt attribute providedPhotomanipulation_Overview_2x2
...opy_and_imaging_overview_2x2-300x213.pngNo alt attribute providedMicroscopy_and_Imaging_Overview_2x2
...ope_accessories_overview_2x2-300x213.pngNo alt attribute providedMicroscope_Accessories_Overview_2x2
...ination_systems_overview_2x2-300x213.pngNo alt attribute providedIllumination_Systems_Overview_2x2
...ctin-bundels-in-single-cells-180x180.pngNo alt attribute providedCutting-Actin-Bundels-in-Single-Cells
...ys-by-local-uv-c-irradiation-180x180.jpgNo alt attribute providedinvestigating-dna-repair-pathways-by-local-uv-c-irradiation
..._canman_lab_01_preview_small-180x180.jpgNo alt attribute providedFLIRT_Canman_Lab_01_preview_small
...-induced-by-uv-uncaging_icon-180x180.pngNo alt attribute providedAnalyzing Calcium Responses in Acute Brain Slices Induced by UV-Uncaging_icon
...n-in-acute-brain-slices_icon-180x180.pngNo alt attribute providedOptogenetical Stimulation in Acute Brain Slices_icon
...ds/2018/10/kuepper-frap-icon-180x180.pngNo alt attribute providedkuepper-FRAP-icon
...nversion-of-meos2_thorn_icon-180x180.pngNo alt attribute providedPhotoconversion of mEos2_Thorn_icon

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 microscope illumination, modification and accessories
H2 FLUCS - MICRO FLOW PHOTOMANIPULATION
H2 inhouse development, manufacturing and software engineering
H2 Your partner for opto-mechanical engineering
H2 optical devices and systems for scientific research
H2 scanner-based systems for localized photomanipulation / illumination
H2 multipurpose applications
H2 Multi-Photon Microscopy
H2 Creative Solutions for Microscopy
H2 Empty heading
H3 Upcoming events
H3 SFN: Neuroscience 2024
H3 Cell Bio 24: ASCB & EMBO Meeting 2024
H3 Products
H3 Applications
H3 Our news
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.
11 links don't have an anchor text.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are no external links on this page.

Found links on this page

LinkAttributesAnchor text
https://rapp-opto.com/IMG-ALT Rapp OptoElectronic
https://rapp-opto.com/Home
https://rapp-opto.com/products/Products
/products/photomanipulation-sy...Photomanipulation
/products/photomanipulation-sy...Scanner-Based Photomanipulation – UGA-42 Series
/products/photomanipulation-sy...UGA-42 Firefly
/products/photomanipulation-sy...UGA-42 Geo
/products/photomanipulation-sy...UGA-42 Caliburn
/products/photomanipulation-sy...Fixed-Spot Photomanipulation – AiWon Series
/products/photomanipulation-sy...AiWon
/products/photomanipulation-sy...AiWon Geo
/products/photomanipulation-sy...AiWon Caliburn
/products/photomanipulation-sy...Advanced Photomanipulation
/products/photomanipulation-sy...FLUCS Micro Flow Photomanipulation
/products/photomanipulation-sy...HOLO4D Holographic Photomanipulation
/products/microscopy_and_imaging/Microscopy & Imaging
/products/microscopy_and_imagi...Multi-Photon Microscopy
/products/microscopy_and_imagi...MOM
/products/microscopy_and_imagi...DF-Scope
/products/microscopy_and_imagi...Raman Microscopy
/products/microscopy_and_imagi...XperRAM C Series
/products/microscopy_and_imagi...Deep UV Microscopy
/products/microscopy_and_imagi...Spinning Disk Microscopy
/products/microscopy_and_imagi...X-Light V2
/products/microscopy_and_imagi...Further Microscopy Systems
/products/microscopy_and_imagi...BOB
/products/microscopy_and_imagi...SOM
/products/microscopy_and_imagi...OpenFrame
/products/microscope-devices-a...Microscope Accessories
/products/microscope-devices-a...Optical Couplings
/products/microscope-devices-a...IX3-Breadboard
/products/microscope-devices-a...FC-70 Series
/products/microscope-devices-a...LGA
/products/microscope-devices-a...Camera Adapter
/products/microscope-devices-a...IX3-CAM Adapter
/products/microscope-devices-a...TwinCam
/products/microscope-devices-a...MultiCam
/products/microscope-devices-a...Image Splitter
/products/microscope-devices-a...OptoSplit II
/products/microscope-devices-a...OptoSplit II BP
/products/microscope-devices-a...OptoSplit III
/products/microscope-devices-a...MultiSplit V2
/products/illumination-systems/Illumination Systems
/products/illumination-systems...LED & Bulb Systems
/products/illumination-systems...KSL2
/products/illumination-systems...UVILED
/products/illumination-systems...UVICO-2
/products/illumination-systems...FuraLED
/products/illumination-systems...OptoScan
/products/illumination-systems...Laser Systems
/products/illumination-systems...Single Line Laser
/products/illumination-systems...Laser Combiner
/products/illumination-systems...Flash Lamp Systems
/products/illumination-systems...JML-C2
/products/illumination-systems...SP-20
/applications/Applications
/category/applications/ablatio...Ablation & Microdissection
/category/applications/dna-dam...DNA Damage
/category/applications/tempera...IR Temperature Jump
/category/applications/uncagin...Uncaging & Photolysis
/category/applications/optogen...Optogenetics & Photostimulation
/category/applications/photobl...Photobleaching & FRAP
/category/applications/photoco...Photoconversion & Photoswitching
/publications/Publications
/publications/Text duplicate Ablation & Microdissection
/publications/Text duplicate DNA Damage
/publications/Text duplicate IR Temperature Jump
/publications/Text duplicate Uncaging & Photolysis
/publications/Text duplicate Optogenetics & Photostimulation
/publications/Text duplicate Photobleaching & FRAP
/publications/Multi-Photon Imaging
/publications/Microscope Illumination
/publications/FLUCS Micro Flow
https://rapp-opto.com/about-us/About us
https://rapp-opto.com/about-us/Partners
https://rapp-opto.com/about-us/Team
https://rapp-opto.com/about-us/Our story
https://rapp-opto.com/about-us/Location
https://rapp-opto.com/events/Events
https://rapp-opto.com/contact/Contact
https://rapp-opto.com/career/Career
https://rapp-opto.com/?sNofollow Search
https://rapp-opto.com/Anchor Previous
https://rapp-opto.com/Anchor Next
https://rapp-opto.com/Anchor No Text
https://rapp-opto.com/about-us/Trivial anchor text
Read more
/event/sfn-neuroscience-2024/05 Oct 05 Oct - 09 Oct SFN: Neuroscience 2024 05.10.2024 - 09.10.2024 In Chicago, IL, USA
/event/cell-bio-24-ascb-embo-m...14 Dec 14 Dec - 18 Dec Cell Bio 24: ASCB & EMBO Meeting 2024 14.12.2024 - 18.12.2024 In San Diego, CA, USA
https://rapp-opto.com/events/Further Events
https://rapp-opto.com/Anchor No Text
/products/photomanipulation-sy...Link to: Photomanipulation
/products/photomanipulation-sy...No Text
/products/photomanipulation-sy...THE UGA-42 SERIES
/products/photomanipulation-sy...Text duplicate UGA-42 Firefly
/products/photomanipulation-sy...Text duplicate UGA-42 Geo
/products/photomanipulation-sy...Text duplicate UGA-42 Caliburn
/products/microscopy_and_imaging/Link to: Microscopy & Imaging
/products/microscopy_and_imaging/No Text
/products/microscope-devices-a...Link to: Microscope Accessories
/products/microscope-devices-a...No Text
/products/illumination-systems/Link to: Illumination Systems
/products/illumination-systems/No Text
/category/applications/ablatio...Link to Ablation & Microdissection in category
/category/applications/ablatio...No Text
/category/applications/dna-dam...Link to DNA-Damage in category
/category/applications/dna-dam...No Text
/category/applications/tempera...Link to Temperature Jump & IR-Lego in category
/category/applications/tempera...No Text
/category/applications/uncagin...Link to Uncaging & Photolysis in category
/category/applications/uncagin...No Text
/category/applications/optogen...Link to Optogenetics & Photostimulation in category
/category/applications/optogen...No Text
/category/applications/photobl...Link to Photobleaching & FRAP in category
/category/applications/photobl...No Text
/category/applications/photoco...Link to Photoconversion &-switching in category
/category/applications/photoco...No Text
/category/applications/photoco...Text duplicate Link to Photoconversion &-switching in category
https://rapp-opto.com/?page_id=47All news
https://rapp-opto.com/contact/Text duplicate Contact
https://rapp-opto.com/contact/Newsletter
https://rapp-opto.com/imprint/Imprint
/privacy-policy/Privacy Policy
https://rapp-opto.com/sitemap/Sitemap
https://rapp-opto.com/Anchor Scroll to top
A-TITLE Scroll to top

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://rapp-opto.com/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is slow (1.05 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.
A Content Delivery Network like Google Hosted Libraries can save bandwidth for the JQuery files.
The file size of the HTML document is fine (124 kB).

HTTP Response Header

NameValue
servernginx
dateSat, 28 Sep 2024 09:36:59 GMT
content-typetext/html; charset=UTF-8
content-length19089
x-powered-byPHP/7.4.33
link<https://rapp-opto.com/wp-json/>; rel="https://api.w.org/", <https://rapp-opto.com/wp-json/wp/v2/pages/551>; rel="alternate"; title="JSON"; type="application/json", <https://rapp-opto.com/>; rel=shortlink
varyAccept-Encoding
content-encodinggzip
strict-transport-securitymax-age=15768000; includeSubDomains
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 60 referring domains.
This page has 663 backlinks.
This page has backlinks from 55 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-Agent: * 
Allow: /

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rapp-opto.com
Rapp OptoElectronic microscopy photomanipulation & illumination...
Rapp OptoElectronic is specialized in high-performance photomanipulation and illumination systems, microscope modification, multi-photon-, spinning disk- and deep-UV microscopy and accessories. The highly modular system components are mainly used as equipment for photomanipulation and imaging

Most important keywords

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

KeywordResultRecheck
Microscopy74%Check
Photomanipulation73%Check
Illumination73%Check
Rapp73%Check
Rapp OptoElectronic microscopy photomanipulation73%Check
microscopy photomanipulation illumination Rapp73%Check
photomanipulation illumination72%Check
photomanipulation illumination Rapp OptoElectronic71%Check
OptoElectronic microscopy photomanipulation illumination70%Check
Illumination Systems67%Check
Show more keywords and terms

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