Alphalas.com - SEO Checker

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Overview of the SEO Check
Meta information
71% 
Page quality
71% 
Page structure
50% 
Link structure
67% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.17 s
File size
36.10 kB
Words
1211
Media files
18
Number of links
96 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
ALPHALAS - Home
The page title is too short. (178 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
DPSS Lasers - Q-Switched, CW, Modelocked, Laser Kits, Laser Diode Drivers, Photodetectors/Photodiodes, Waveplates, Laser Crystals, Nonlinear Crystals, Laser & Optical Components
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)
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 character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype XHTML 1.0 Transitional 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
descriptionDPSS Lasers - Q-Switched, CW, Modelocked, Laser Kits, Laser Diode Drivers, Photodetectors/Photodiodes, Waveplates, Laser Crystals, Nonlinear Crystals, Laser & Optical Components
keywordsdpss lasers, q-switched, modelocked, cw, photodetectors, photodiodes, waveplates, laser crystals, nonlinear crystals, laser components, optical components, laser kits
robotsindex, follow
verify-v1pyZEO+qI/uuzge/PV6K5tKeupLngbvXqSxFRAWGThao=
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
This page contains 1211 words. That's ok.
20.1% of the text are stop words.
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.
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 17.59 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (45). We recommend using a maximum of 24 tags for this page.
Some tags are too long. With 87 characters this one is longer than 70 characters:
"375, 405, 450, 488, 510, 635, 670, 785, 850, 976, 1030, 1047, 1053, 1064, 1310, 1550 nm"
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)
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
...halas-lasers-optics-electronics-logo.jpgALPHALAS - Lasers, Optics, Electronics. Made in Germany.ALPHALAS - Lasers, Optics, Electronics. Made in Germany.
...las-lasers-optics-electronics-slogan.jpgALPHALAS - Lasers, Optics, Electronics. Made in Germany.ALPHALAS - Lasers, Optics, Electronics. Made in Germany.
...osecond_q-switched_dpss_lasers_slide.jpgSubnanosecond Q-Switched DPSS Lasers#caption_subnanosecond_q-switched_dpss_lasers
...w_single_frequency_dpss_lasers_slide.jpgCW Single Frequency DPSS Lasers#caption_cw_single_frequency_dpss_lasers
...Pulse_Diode_Lasers_with_Driver_slide.jpgPicosecond Pulse Diode Lasers with Driver#caption_Picosecond_Pulse_Diode_Lasers_with_Driver
...o-slider/images/DPSS_Laser_Kit_slide.jpgDPSS Laser Kit for Education and Research#caption_DPSS_Laser_Kit
...r/images/ultrafast_photodiodes_slide.jpgUltrafast Photodiodes#caption_ultrafast_photodiodes
...ider/images/tunable_waveplates_slide.jpgTunable Waveplates#caption_tunable_waveplates
...-slider/images/ccd_line_camera_slide.jpgNo alt attribute provided#caption_ccd_line_camera
...thumbs/Ultrafast_Photodetector_thumb.gifUltrafast PhotodetectorUltrafast Photodetector
...-switched_microchip_dpss_laser_thumb.jpgSubnanosecond Passively Q-Switched DPSS MICROCHIP LaserSubnanosecond Passively Q-Switched DPSS MICROCHIP Laser
...s/high-energy-picosecond-laser_thumb.jpgHigh-Energy Picosecond LaserHigh-Energy Picosecond Laser
...cy-high-power-nanosecond-laser_thumb.jpgSingle-Frequency High-Power Nanosecond LaserSingle-Frequency High-Power Nanosecond Laser
...Pulse_Diode_Lasers_with_Driver_Thumb.jpgPicosecond Pulse Diode Lasers with Driver: PICOPOWER™-LD SeriesPicosecond Pulse Diode Lasers with Driver: PICOPOWER™-LD Series
...thumbs/Ultrafast_Photodetector_thumb.gifUltrafast_Photodetector_thumb.gifUltrafast_Photodetector_thumb.gif
...era_with_USB_2.0_and_LabVIEW_Drivers.jpgAdvanced_Digital_CCD_Line_Camera_with_USB_2.0_and_LabVIEW_Drivers.jpgAdvanced_Digital_CCD_Line_Camera_with_USB_2.0_and_LabVIEW_Drivers.jpg
...s-overview_lasers_optics_electronics.jpgProducts: Lasers, Optics, ElectronicsProducts: Lasers, Optics, Electronics
...ALAS_Lasers-Optics-Electronics_Flyer.jpgALPHALAS - Lasers, Optics, Electronics - FlyerALPHALAS - Lasers, Optics, Electronics - Flyer

Page structure

H1 heading
(Critically important)
Subnanosecond Q-Switched DPSS Lasers
Too many H1 headings
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Subnanosecond Q-Switched DPSS Lasers
H1 CW Single Frequency Lasers
H1 Picosecond Diode Lasers with Drivers
H1 Laser Kits
H1 Ultrafast Photodetectors
H1 Tunable Zero-Order Wave Plates
H1 High-Speed CCD Line Cameras
H3 Products
H3 Featured Products
H3 Contact Us Now for Quotes, Prices, Inquiries, Questions & Ordering!
H3 Contact Sales
H3 News & Press
H3 Research & Academia
H3 Our Products in Use
H3 Products Overview (PDF)
H3 Site Statistics
Baselink: https://www.alphalas.com/
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.
All internal links are not using dynamic parameters.
There are no external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.alphalas.com/Subdomain IMG-ALT ALPHALAS - Lasers, Optics, Electronics. Made in Germany.
/products/lasers/picosecond-pu...Subdomain IMG-ALT Picosecond Pulse Diode Lasers with Driver
/products/laser-diagnostic-too...Subdomain IMG-ALT Ultrafast Photodiodes
/products/polarization-optics/...Subdomain IMG-ALT Tunable Waveplates
/products/laser-diagnostic-too...Subdomain No Text
/products/lasers/subnanosecond...Subdomain Passive QS & Microchip
/products/lasers/subnanosecond...Subdomain Active QS
/products/lasers/picosecond-pu...Subdomain Picosecond Diode Lasers with Drivers
/products/lasers/dpss-laser-ki...Subdomain DPSS Laser Kits: CW, QS, SHG
/products/lasers/modelocked-pi...Subdomain Picosecond Modelocked DPSS Laser Kits
/products/laser-diagnostic-too...Subdomain Ultrafast Photodetectors
/products/polarization-optics/...Subdomain Tunable Zero-Order Wave Plates
/products/laser-diagnostic-too...Subdomain High-Speed CCD Line Cameras
https://www.alphalas.com/Home
/products.htmlSubdomain Products
/services.htmlSubdomain Services
/contact-us/contacts/Subdomain Contact Us
/our-company.htmlSubdomain Our Company
/references.htmlSubdomain References
/news/latest-news-and-press/Subdomain News
https://www.alphalas.com/search/Subdomain Search
/products/lasers/Subdomain Lasers
/products/lasers/picosecond-pu...Subdomain Picosecond Diode Lasers with Driver: PICOPOWER -LD Series
/products/lasers/high-energy-p...Subdomain High-Energy Picosecond Laser: PICOPOWER -RG1-1064-10K
/products/lasers/single-freque...Subdomain Single-Frequency High-Power Nanosecond Laser: PULSELAS -A-1064-10W-SF
/products/lasers/modelocked-pi...Subdomain Modelocked Picosecond DPSS Lasers: PICOPOWER Series
/products/lasers/subnanosecond...Subdomain Subnanosecond Passively Q-Switched DPSS MICROCHIP Lasers: PULSELAS®-P Series
/products/lasers/subnanosecond...Subdomain Subnanosecond Actively Q-Switched DPSS Lasers: PULSELAS®-A Series
/products/lasers/cw-single-fre...Subdomain CW Single Frequency DPSS Lasers: MONOPOWER Series
/products/lasers/modelocked-fe...Subdomain Modelocked Femtosecond DPSS Lasers: FEMTOLAS® Series
/products/lasers/distributed-f...Subdomain Distributed Feedback Lasers
/products/lasers/extremely-com...Subdomain Extremely Compact Blue High-Power Laser Diode OEM Modules: MONOPOWER -405-50_100_150-MM
/products/lasers/all-solid-sta...Subdomain All-Solid-State Blue Laser at 488 nm: MONOPOWER -488-1
/products/lasers/dpss-laser-ki...Subdomain DPSS Laser Kit for Education and Research: LASKIT®-500
/products/lasers/modelocked-pi...Subdomain Modelocked Picosecond Laser Kit for Education and Research: LASKIT®-pico
/products/lasers/fibre-coupled...Subdomain Fibre-Coupled Laser Diodes with Drivers and TECs: LDF Series
/products/laser-diode-drivers-...Subdomain Laser Diode & TEC Drivers
/products/laser-diode-drivers-...Subdomain Laser Diode and TEC (Peltier) Drivers, TEC Modules
/products/laser-diode-drivers-...Subdomain Digital Laser Diode Driver and Dual TEC Controller: LPS1-2T Series
/products/laser-accessories/Subdomain Laser Accessories
/products/laser-accessories/hi...Subdomain High-Voltage Switches and Nanosecond Generators
/products/laser-accessories/po...Subdomain Pockels Cells and Drivers
/products/laser-accessories/el...Subdomain Electrooptic and Acoustooptic Modulators and Drivers
/products/laser-components/Subdomain Laser Components
/products/laser-components/las...Subdomain Laser Crystals
/products/laser-components/pas...Subdomain Passive Q-Switches
/products/laser-components/non...Subdomain Nonlinear Crystals
/products/laser-components/las...Subdomain Laser Mirrors
/products/laser-components/wav...Subdomain Wavelength Tuning Devices
/products/laser-components/bir...Subdomain Birefringent Tuners (Lyot Filters)
/products/laser-components/eta...Subdomain Etalons
/products/laser-diagnostic-tools/Subdomain Laser Diagnostic Tools
/products/laser-diagnostic-too...Subdomain Ultrafast Photodetectors: UPD Series
/products/laser-diagnostic-too...Subdomain Broadband Pulse Amplifiers: BBA Series
/products/laser-diagnostic-too...Subdomain Advanced Digital CCD Line Camera with Hi-Speed USB, Software & LabVIEW Drivers: CCD-S3600-D(-UV)
/products/laser-diagnostic-too...Subdomain Analog Linear CCD Arrays: CCD Series
/products/laser-diagnostic-too...Subdomain Infrared-to-Visible Converters, IR Laser Beam Visualizers, IR Detectors: IR-VIS Series
/products/laser-diagnostic-too...Subdomain Fabry-Perot Interferometers
/products/laser-diagnostic-too...Subdomain Laser Power Meter: LPM-12
/products/polarization-optics/Subdomain Polarization Optics
/products/polarization-optics/...Subdomain Text duplicate Tunable Waveplates
/products/polarization-optics/...Subdomain Standard Waveplates
/products/polarization-optics/...Subdomain Polarizers
/products/laser-diagnostic-too...Subdomain IMG-ALT Ultrafast Photodetector
/products/laser-diagnostic-too...Subdomain Text duplicate Ultrafast Photodetectors
/products/lasers/subnanosecond...Subdomain IMG-ALT Subnanosecond Passively Q-Switched DPSS MICROCHIP Laser
/products/lasers/subnanosecond...Subdomain PULSELAS®-P
/products/lasers/high-energy-p...Subdomain IMG-ALT High-Energy Picosecond Laser
A-TITLE High-Energy Picosecond Laser
/products/lasers/high-energy-p...Subdomain PICOPOWER™- RG1-1064-10K
A-TITLE High-Energy Picosecond Laser
/products/lasers/single-freque...Subdomain IMG-ALT Single-Frequency High-Power Nanosecond Laser
A-TITLE Single-Frequency High-Power Nanosecond Laser
/products/lasers/single-freque...Subdomain PULSELAS™-A-1064-10W-SF
A-TITLE Single-Frequency High-Power Nanosecond Laser
/products/lasers/picosecond-pu...Subdomain IMG-ALT Picosecond Pulse Diode Lasers with Driver: PICOPOWER™-LD Series
A-TITLE Picosecond Pulse Diode Lasers with Driver: PICOPOWER-LD Series
/products/lasers/picosecond-pu...Subdomain PICOPOWER™-LD Series of Picosecond Diode Lasers with Driver
A-TITLE Picosecond Pulse Diode Lasers with Driver: PICOPOWER-LD Series
/products/laser-diagnostic-too...Subdomain IMG-ALT Ultrafast_Photodetector_thumb.gif
A-TITLE Ultrafast Photodiodes
/products/laser-diagnostic-too...Subdomain New models of ultrafast photodiodes
/images/stories/products/laser...New window Greatly improved HF performance of ultrafast photodetectors in the wavelength range 800 to 2600 nm
A-TITLE GREATLY_IMPROVED_HF_PERFORMANCE_OF_ULTRAFAST_PHOTODETECTORS_IN_THE_WAVELENGTH_RANGE_800_to_2600_nm.pdf
/products/laser-diagnostic-too...Subdomain IMG-ALT Advanced_Digital_CCD_Line_Camera_with_USB_2.0_and_LabVIEW_Drivers.jpg
A-TITLE CCD Line Cameras
/products/laser-diagnostic-too...Subdomain CCD-S3600-D(-UV)
/products.htmlSubdomain IMG-ALT Products: Lasers, Optics, Electronics
/products.htmlSubdomain Products Section
/contact-us/contacts/Subdomain contact us
/cdn-cgi/l/email-protection[email protected]
/cdn-cgi/l/email-protectionText duplicate [email protected]
/content/view/115/64/Subdomain NEW: High-Energy Picosecond Laser
/content/view/114/64/Subdomain NEW: Single-Frequency High-Power Nanosecond Laser
/news/latest-news-and-press/pi...Subdomain Picosecond Diode Lasers with Driver
/news/latest-news-and-press/cc...Subdomain CCD Line Cameras - New Advanced Model Available
/news/latest-news-and-press/ul...Subdomain Ultrafast Photodetectors - New Models Available
/references/our-products-in-use/Subdomain See some examples where customers use our products
/images/stories/company/ALPHAL...New window IMG-ALT ALPHALAS - Lasers, Optics, Electronics - Flyer
A-TITLE ALPHALAS - Lasers, Optics, Electronics Flyer
/cdn-cgi/l/email-protectionText duplicate [email protected]
/cdn-cgi/l/email-protectionText duplicate [email protected]
/cdn-cgi/l/email-protectionText duplicate [email protected]
/important-information--discla...Subdomain Important Information
/privacy-policy.htmlSubdomain Datenschutzerklärung / Privacy Policy
/imprint.htmlSubdomain Impressum / Site Notice

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.alphalas.com/"
HTTP header
(Important)
The used PHP version is outdated and may be a security risk.
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 excellent with 0.17 seconds.
The file size of the HTML document is fine (36 kB).

HTTP Response Header

NameValue
dateSat, 24 Aug 2024 13:45:58 GMT
content-typetext/html
x-powered-byPHP/5.2.17
expiresSat, 26 Jul 1997 05:00:00 GMT
cache-controlmax-age=86400, must-revalidate, post-check=0, pre-check=0
pragmano-cache
last-modifiedSun, 28 Jul 2024 00:29:35 GMT
varyAccept-Encoding
cf-cache-statusHIT
age450200
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=N3%2FFO5zdWoWEBn%2FXeEODtJWQtO3aw3ujHNuRB5ZZN1dUd%2BFez8weSjrV0Xvzy0I0DOuOkPkRjiWHOssjuRdnBmYRH%2BlyMUar7IVnZ3QFeHwX6x%2FOIYsb6osF2QWJ5YxbgNQ%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray8b83c929eaf58efb-FRA
content-encodinggzip
alt-svch3=":443"; ma=86400
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 64 referring domains.
This page has 1,932 backlinks.
This page has backlinks from 57 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: Googlebot
Allow: .js
Allow: .css
User-agent: * 
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /editor/
Disallow: /help/
Disallow: /includes/
Disallow: /language/
Disallow: /mambots/
Disallow: /media/
Disallow: /modules/
Disallow: /templates/
Disallow: /installation/

Similar sites

Search preview

www.alphalas.com
ALPHALAS - Home
DPSS Lasers - Q-Switched, CW, Modelocked, Laser Kits, Laser Diode Drivers, Photodetectors/Photodiodes, Waveplates, Laser Crystals, Nonlinear Crystals, Laser & Optical Components

Most important keywords

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

KeywordResultRecheck
Laser76%Check
Lasers76%Check
DPSS Lasers76%Check
Q-Switched DPSS Lasers73%Check
DPSS72%Check
Laser Diode70%Check
Q-Switched DPSS70%Check
Diode Lasers70%Check
Nanosecond Laser70%Check
Laser Kit70%Check
Show more keywords and terms

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