Instrumentsystems.com - SEO Checker

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Overview of the SEO Check
Meta information
74% 
Page quality
63% 
Page structure
58% 
Link structure
37% 
Server
95% 
External factors
100% 
SEO Score
Response time
2.67 s
File size
116.40 kB
Words
762
Media files
63
Number of links
96 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Light measurement
The page title is too short. (174 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)
https://www.instrumentsystems.com/en/
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)
The specified alternate links have no errors.
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 name is very long.
The domain is no subdomain.
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
generatorTYPO3 CMS
viewportwidth=device-width,initial-scale=1
robotsindex,follow
nameLight measurement
msapplication-TileColor#ffffff
msapplication-TileImage/assets/favicon/ms-icon-144x144.png
theme-color#ffffff
langen-us
twitter:cardsummary
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
The average number of words per sentence of 31.25 words is high.
This page contains 762 words. That's ok.
21.7% 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.
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)
A viewport "width=device-width,initial-scale=1" is provided.
At least one Apple touch icon is specified.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 15 tags for this page.
Image SEO
(Somewhat important)
32 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
...m_Home_VTC4000_1600x550px_9903fd5f01.jpgHome_VTC4000_1600x550px.jpg
...m_Home_LT-ARVR_1600x550px_7e2582acb6.jpgHome_LT-ARVR_1600x550px.jpg
...m_Display-Test_1600x550px_9fbbd40c70.jpgDisplay-Test_1600x550px.jpg
...e_LumiCam2400B_1600x550px_e99f1108e7.jpgHome_LumiCam2400B_1600x550px.jpg
...sm_Home_CAS125_1600x550px_cae4d6aec4.jpgHome_CAS125_1600x550px.jpg
...3/csm_Stage_Firmengebäude_ef4c76546b.jpgStage_Firmengebäude.jpg
...ssed_/8/0/csm_Icon_Prisma_8878019513.jpgNo alt attribute provided
...ed_/3/7/csm_Icon_Standard_aa694b1a66.jpgNo alt attribute provided
...novative_Lichtmesstechnik_ad7de74ebb.jpgNo alt attribute provided
...ssenschaftliche-Präzision_a7845cbe10.jpgNo alt attribute provided
...csm_Icon_Kundenspezifisch_fd417621cb.jpgNo alt attribute provided
.../0/a/csm_AR-VR_1600x550px_878cd5bda1.jpgNo alt attribute provided
...mobil_exterior_1600x550px_a1346c59e5.jpgNo alt attribute provided
...mobil_interior_1600x550px_c00aa99f5c.jpgNo alt attribute provided
...d_/d/a/csm_BLH_1600x550px_da6c317411.jpgNo alt attribute provided
...m_Display-Test_1600x550px_2fae7ab25d.jpgNo alt attribute provided
...d_/4/b/csm_FPD_1600x550px_61ff440482.jpgNo alt attribute provided
.../0/csm_Home_IR_1600x550px_46fc0ea99c.jpgNo alt attribute provided
..._LED-Fertigung_1600x550px_08d88c5d57.jpgNo alt attribute provided
...ED-Measurement-1600x550px_c9aec41d6d.jpgNo alt attribute provided
..._Home_MicroLED_1600x550px_c2d1f71205.jpgNo alt attribute provided
...Measurement_1600x550pxjpg_17b8ec8f67.jpgNo alt attribute provided
.../csm_new_Audit_1600x550px_492c54e648.jpgNo alt attribute provided
...csm_new_UV-LED_1600x550px_e75b1883ca.jpgNo alt attribute provided
.../5/e/csm_VCSEL_1600x550px_9b6b037b7e.jpgvertical-cavity surface-emitting lasers
...nPhotometer_Lab_683x626px_bc38951a1b.jpgAMS_ScreenPhotometer_Lab_683x626px.png
...eter_Automotive_683x626px_5228656f21.jpgAMS5000_Goniometer_Automotive_683x626px.png
...e/csm_IQC-CAS_2_683x626px_acdd121c6e.jpgIQC-CAS_2_683x626px.png
...t-System683x626px_2022_01_1251c382ae.jpgBlue-Light-Hazard_Test-System683x626px_2022_01.png
...ed_/e/7/csm_DGS_683x626px_c3fdcd80a9.jpgDGS_683x626px.png
...lay-test-system_683x626px_2aa30d7b7e.jpgDMS_Display-test-system_683x626px.png
...-DisplayTesting_683x626px_37de97cf9d.jpgDTS-DisplayTesting_683x626px.png
...IR-testing-system_CAS140D_fbd70de4a3.jpgIR-testing-system_CAS140D.png
...LED-Test-System_683x626px_668119ac56.jpgLED-Test-System_683x626px.png
...niometer-System_683x626px_51044c7c29.jpgLEDGON_Goniometer-System_683x626px.png
...tometersystem_683x626px_2_432fc601c3.jpgLGS_Goniophotometersystem_683x626px_2.png
...miCam_System_683x626px_01_f1c2f6aa85.jpgLumiCam_System_683x626px_01.png
...tsystem-LumiTop_683x626px_a64997f3ef.jpgDisplay-Testsystem-LumiTop_683x626px.png
...3/b/csm_LT-ARVR_683x262px_34042d52da.jpgLT-ARVR_683x262px.png
...ltiCAS_System_2_683x262px_6daa050126.jpgMultiCAS_System_2_683x262px.png
...lay-text-system_683x626px_c907616f78.jpgDTS-NVIS_Display-text-system_683x626px.png
...sm_RMS_System_683x262px_2_ebd9aeb455.jpgRMS_System_683x262px_2.png
...m_UV-LED-Lab_683x626px_V2_072f7a17ab.jpgUV-LED-Lab_683x626px_V2.png
..._Labormessplatz_683x626px_893104be58.jpgVCSEL_Labormessplatz_683x626px.png
...em_vcsel-fernfeld_683x626_f69cd1415d.jpgsystem_vcsel-fernfeld_683x626.png
...m_vcsel-nahfeld_683x626px_a88bcbaa99.jpgsystem_vcsel-nahfeld_683x626px.png
...n_Test-System_683x262px_2_0111d9e7fb.jpgVCSEL_Production_Test-System_683x262px_2.png
...0D_Spektrometer_683x626px_0aada765dd.jpgNo alt attribute provided
...P200_Photometer_683x626px_c0f92a0c8b.jpgNo alt attribute provided
...ng_Farbmesskamer_683x626p_57193ad5ec.jpgNo alt attribute provided
...m_ISP2000_Ulbricht-Kugeln_8de1cfcedd.jpgNo alt attribute provided
...iometer_SSL_LED_683x626px_00dec66950.jpgNo alt attribute provided
...er_Display_683x626px_retu_e345c5054d.jpgNo alt attribute provided
...eter_Automotive_683x626px_15468bf318.jpgNo alt attribute provided
...sm_DMS_Software_683x626px_06366a278d.jpgNo alt attribute provided
...cessories_GC100_683x626px_0c71486179.jpgNo alt attribute provided
...sm_ACS585_LED-Calibration_a17eb3390d.jpgNo alt attribute provided
...ocessed_/d/2/csm_35-years_b326d1052f.jpgNo alt attribute provided
...ocessed_/2/c/csm_UKN_3_01_df000f36c8.jpgNo alt attribute provided
...sed_/e/b/csm_icon-contact_307b07f9e6.jpgNo alt attribute provided
...ssed_/d/0/csm_icon-global_8198a46c23.jpgNo alt attribute provided
.../csm_icon-social-linkedin_bf95ae78cd.jpgLinkedIn
...9/csm_icon-social-youtube_2cdb12ce3d.jpgYouTube

Page structure

H1 heading
(Critically important)
Instrument Systems: We bring quality to light.
The H1 heading is perfect.
Headings
(Important)
There are 56 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Instrument Systems: We bring quality to light.
H2 VCSEL Characterization
H2 AR / VR Displays Testing
H2 Ensure Perfect Display Quality
H2 Compact and more efficient!
H2 All about Speed
H2 Close to you - worldwide!
H2 Instrument Systems – 35 years of the highest level of expertise for customized system solutions in light measurement technology!
H2 How can we help you?
H3 AR / VR
H3 Automotive Exterior Lighting
H3 Automotive Interior Lighting
H3 Blue Light Hazard
H3 Display Characterization
H3 Flat Panel Display Production
H3 IR sensing & IR emitters (LEDs / lasers)
H3 LED Production
H3 LED / Modules
H3 MicroLEDs
H3 Solid State Lighting
H3 System Audit
H3 UV-LEDs
H3 VCSEL Arrays
H3 AMS Screen Imaging System
H3 AMS Goniometer System
H3 Audit for Cameras & Spectrometers
H3 Blue Light Hazard Measurement
H3 DGS Display Goniometer System
H3 DMS Display Measurement
H3 DTS Display Measurement
H3 IR Measurement
H3 LED / SSL Measurement
H3 LEDGON Goniometer System
H3 LGS Goniometer System
H3 LumiCam Display Measurement
H3 LumiTop Display Production Testing
H3 LumiTop AR/VR Display Testing
H3 MultiCAS Test System
H3 NVIS Display Measurement
H3 Retroreflectometer System RMS
H3 UV-LED Measurement
H3 VCSEL Measurement
H3 VCSEL Far-field Measurement
H3 VCSEL Near-field Measurement
H3 VCSEL Production Testing
H3 Spectrometers
H3 Photometers & Colorimeters
H3 Imaging Colorimeters & IR Testing Cameras
H3 Integrating Spheres
H3 Goniophotometers for LED / SSL
H3 Goniophotometers for Displays
H3 Goniophotometers for Automotive Lighting
H3 Software
H3 Power Sources & Accessories
H3 Calibration Standards & Services
H3 News from Instrument Systems
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.
There are 4 links with a trivial 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
/en/No Text
/en/news-portalNews Portal
A-TITLE News Portal
/en/careersCareers
A-TITLE Careers
/en/downloadsDownloads
A-TITLE Downloads
/en/videosVideos
A-TITLE Videos
/en/newsletter-subscriptionNewsletter Registration
A-TITLE Newsletter Registration
/en/contactContact
A-TITLE Contact
/en/English
A-TITLE English
/de/Deutsch
A-TITLE Deutsch
/cn/简体中文
A-TITLE 简体中文
/jp/日本語
A-TITLE 日本語
/kr/한국어
A-TITLE 한국어
/en/applicationsApplications
A-TITLE Applications
/en/applications?filterId=5&cH...LEDs / SSL luminaires
A-TITLE Applications
/en/applications?filterId=6&cH...Displays / Smart devices
A-TITLE Applications
/en/applications?filterId=7&cH...Automotive headlamps / Signal lamps
A-TITLE Applications
/en/applications?filterId=8&cH...Laser / VCSEL
A-TITLE Applications
/en/systemsSystems
A-TITLE Systems
/en/systems?filterId=5&cHash=a...Text duplicate LEDs / SSL luminaires
A-TITLE Systems
/en/systems?filterId=6&cHash=1...Text duplicate Displays / Smart devices
A-TITLE Systems
/en/systems?filterId=7&cHash=e...Text duplicate Automotive headlamps / Signal lamps
A-TITLE Systems
/en/systems?filterId=8&cHash=1...Text duplicate Laser / VCSEL
A-TITLE Systems
/en/productsProducts
A-TITLE Products
/en/products?filterId=5&cHash=...Text duplicate LEDs / SSL luminaires
A-TITLE Products
/en/products?filterId=6&cHash=...Text duplicate Displays / Smart devices
A-TITLE Products
/en/products?filterId=7&cHash=...Text duplicate Automotive headlamps / Signal lamps
A-TITLE Products
/en/products?filterId=8&cHash=...Text duplicate Laser / VCSEL
A-TITLE Products
/en/about-usAbout Us
A-TITLE About Us
/en/test-labTest Lab
A-TITLE Test Lab
/en/serviceService
A-TITLE Service
/en/products/imaging-colorimet...Trivial anchor text
More
/en/applications/ar-vrText duplicate Trivial anchor text
More
/en/applications/display-chara...Text duplicate Trivial anchor text
More
/en/products/imaging-colorimet...About the product
/en/products/spectrometers/cas...Text duplicate About the product
/en/about-usAbout us
/en/applications/ar-vrAR / VR
/en/applications/automotive-ex...Automotive Exterior Lighting
/en/applications/automotive-in...Automotive Interior Lighting
/en/applications/blue-light-ha...Blue Light Hazard
/en/applications/display-chara...Display Characterization
/en/applications/flat-panel-di...Flat Panel Display Production
/en/applications/ir-sensing-ir...IR sensing & IR emitters (LEDs / lasers)
/en/applications/led-productionLED Production
/en/applications/led-modulesLED / Modules
/en/applications/microledsMicroLEDs
/en/applications/solid-state-l...Solid State Lighting
/en/applications/system-auditSystem Audit
/en/applications/uv-ledsUV-LEDs
/en/applications/vcsel-laserVCSEL Arrays
IMG-ALT vertical-cavity surface-emitting lasers
/en/systems/ams-screen-imaging...AMS Screen Imaging System 2D spatially resolved measurement of headlights with projection screen
IMG-ALT AMS_ScreenPhotometer_Lab_683x626px.png
/en/systems/ams-goniometer-systemAMS Goniometer System Complete equipment of a light lab for exterior automotive lighting
IMG-ALT AMS5000_Goniometer_Automotive_683x626px.png
/en/systems/audit-for-cameras-...Audit for Cameras & Spectrometers Verification of luminance and color accuracy
IMG-ALT IQC-CAS_2_683x626px.png
/en/systems/blue-light-hazard-...Blue Light Hazard Measurement Determination of blue light hazard in acc. with IEC 62471 and IEC/TR 62778
IMG-ALT Blue-Light-Hazard_Test-System683x626px_2022_01.png
/en/systems/dms-display-measur...DMS Display Measurement All-in-one solution for goniometric display characterization
IMG-ALT DMS_Display-test-system_683x626px.png
/en/systems/dts-display-measur...DTS Display Measurement Spectroradiometric display test system with the CAS 140D
IMG-ALT DTS-DisplayTesting_683x626px.png
/en/systems/ir-measurementIR Measurement Fast and precise measurement of IR emitters as LEDs/ laser up to 2150 nm
IMG-ALT IR-testing-system_CAS140D.png
/en/systems/led-ssl-measurementLED / SSL Measurement Determination of luminous flux and color with integrating spheres
IMG-ALT LED-Test-System_683x626px.png
/en/systems/ledgon-goniometer-...LEDGON Goniometer System Lightproof LED test system – complete and compact
IMG-ALT LEDGON_Goniometer-System_683x626px.png
/en/systems/lgs-goniometer-systemLGS Goniometer System Determination of the spatial radiation properties of SSL light sources
IMG-ALT LGS_Goniophotometersystem_683x626px_2.png
/en/systems/lumicam-display-me...LumiCam Display Measurement Filter-based camera system for determining luminance and color
IMG-ALT LumiCam_System_683x626px_01.png
/en/systems/lumitop-display-pr...LumiTop Display Production Testing All-in-one solution for quality control in production lines
IMG-ALT Display-Testsystem-LumiTop_683x626px.png
/en/systems/lumitop-ar-vr-disp...LumiTop AR/VR Display Testing Optimized lens designs for headset and module level tests
IMG-ALT LT-ARVR_683x262px.png
/en/systems/multicas-test-systemMultiCAS Test System Synchronous control of several CAS spectroradiometers
IMG-ALT MultiCAS_System_2_683x262px.png
/en/systems/nvis-display-measu...NVIS Display Measurement Measurements in accordance with MIL-L-STD-3009 and civil standards SAE AS5452B / RTCA DO 275
IMG-ALT DTS-NVIS_Display-text-system_683x626px.png
/en/systems/retroreflectometer...Retroreflectometer System RMS Universal system for retroreflector measurement
IMG-ALT RMS_System_683x262px_2.png
/en/systems/uv-led-measurementUV-LED Measurement Sensitive and precise UV measurement in the lab from 200 nm
IMG-ALT UV-LED-Lab_683x626px_V2.png
/en/systems/vcsel-measurementVCSEL Measurement VCSEL characterization with spectral resolution down to 0.12 nm
IMG-ALT VCSEL_Labormessplatz_683x626px.png
/en/systems/vcsel-far-field-me...VCSEL Far-field Measurement Flexible and precise testing of IR emitters
IMG-ALT system_vcsel-fernfeld_683x626.png
/en/systems/vcsel-near-field-m...VCSEL Near-field Measurement Flexible and precise testing at single emitter level
IMG-ALT system_vcsel-nahfeld_683x626px.png
/en/systems/vcsel-production-t...VCSEL Production Testing Complete characterization of pulsed VCSELs
IMG-ALT VCSEL_Production_Test-System_683x262px_2.png
/en/products/spectrometersSpectrometers
/en/products/photometers-color...Photometers & Colorimeters
/en/products/imaging-colorimet...Imaging Colorimeters & IR Testing Cameras
/en/products/integrating-spheresIntegrating Spheres
/en/products/goniophotometers-...Goniophotometers for LED / SSL
/en/products/goniophotometers-...Goniophotometers for Displays
/en/products/goniophotometer-f...Goniophotometers for Automotive Lighting
/en/products/softwareSoftware
/en/products/power-sources-acc...Power Sources & Accessories
/en/products/calibration-stand...Calibration Standards & Services
/en/news-portal/press-releasesSubdomain More information
/en/products/imaging-colorimet...Trivial anchor text
Read more
/en/news-portalGo to News Portal Overview
/en/contactContact Formular
/en/contactGlobal network
/en/legal-noticeLegal Notice
/en/privacy-policyPrivacy Policy
/en/terms-of-purchase-and-deli...Terms of Purchase and Delivery
/en/Anchor Cookie Settings
/en/contactText duplicate Contact
/en/downloadsDownload
/en/news-portal/press-releasesPress
/en/news-portalText duplicate News Portal
/en/newsletter-subscriptionText duplicate Newsletter Registration
/en/glossaryGlossary
https://de.linkedin.com/compan...New window External Subdomain LinkedIn
IMG-ALT LinkedIn
https://www.youtube.com/c/Inst...New window External Subdomain YouTube
IMG-ALT YouTube

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.instrumentsystems.com/en/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (2.67 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 only loads 1 CSS files. That's ok.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (116 kB).

HTTP Response Header

NameValue
expiresThu, 19 Nov 1981 08:52:00 GMT
pragmano-cache
content-languageen
cache-controlprivate, no-store
set-cookie44 Characters
varyAccept-Encoding
content-encodinggzip
x-ua-compatibleIE=edge
x-content-type-optionsnosniff
content-length12894
content-typetext/html; charset=utf-8
dateWed, 08 May 2024 18:17:52 GMT
serverApache
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 70 referring domains.
This page has 639 backlinks.
This page has backlinks from 41 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

No valid Robots.txt file was found.

Similar sites

Search preview

www.instrumentsystems.com
Light measurement

Most important keywords

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

KeywordResultRecheck
light74%Check
System68%Check
light measurement67%Check
Systems65%Check
Instrument Systems62%Check
Measurement Systems62%Check
measurement61%Check
Instrument60%Check
Blue Light60%Check
light measurement technology60%Check
Show more keywords and terms

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