Sigma.nl - SEO Checker

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Overview of the SEO Check
Meta information
92% 
Page quality
51% 
Page structure
66% 
Link structure
80% 
Server
46% 
External factors
100% 
SEO Score
Response time
0.46 s
File size
96.80 kB
Words
687
Media files
28
Number of links
158 internal / 18 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Sigma Nederland | Verf, Coatings & Schildersbenodigdheden
The length of the page title is perfect. (546 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Ontdek hoogwaardige verfproducten en kleureninspiratie op Sigma.nl. Dé plek voor professionele verfoplossingen en deskundig advies.
The length of the meta description is perfect. (835 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.sigma.nl/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: nl
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0, shrink-to-fit=no
descriptionOntdek hoogwaardige verfproducten en kleureninspiratie op Sigma.nl. Dé plek voor professionele verfoplossingen en deskundig advies.
keywordsEmpty
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
These Typos were found:
  • electrisch => elektrisch
This page contains 687 words. That's ok.
12.7% of the text are stop words.
The page contains a listing, which indicates a good text layout.
4 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 18.17 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 16 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, shrink-to-fit=no" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 14 tags for this page.
Image SEO
(Somewhat important)
12 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
...01.blob.core.windows.net/images/logo.svgSIGMA
...ndows.net/images/multi-account-picto.svgpicto prise de rendez-vous showrom
...01.blob.core.windows.net/images/logo.svgSigma
...ge-library-2024-03/hero-sigma-acties.jpgNo alt attribute provided
...age-library-2024-03/sigma-s2u-allure.pngNo alt attribute provided
...nl/media/image-library/burgers-zoo_1.jpgNo alt attribute provided
...image-library/blog-overzicht-afl8_1x.pngNo alt attribute provided
...cedf-4e4a-8f1b-04a209104bae/icon1-6-.svgicon
...-96ab-4cb9-a160-02345f59d8fa/lakverf.svgicon
...9d-4ddd-9e2e-d200ae2eeaec/icon1-7-1-.svgicon
...8357-4d87-9506-0008c783d126/icon4-1-.svgicon
https://www.sigma.nl/images/lazyloading.pngimage description
https://www.sigma.nl/images/lazyloading.pngimage description
https://www.sigma.nl/images/lazyloading.pngimage description
https://www.sigma.nl/images/lazyloading.pngimage description
https://www.sigma.nl/images/lazyloading.pngimage description
https://www.sigma.nl/images/lazyloading.pngimage description
https://www.sigma.nl/images/lazyloading.pngimage description
...559-45f2-a257-f7d6e80d179b/sigma-app.jpgNo alt attribute provided
...lob.core.windows.net/images/facebook.pngNo alt attribute provided
...ob.core.windows.net/images/instagram.pngNo alt attribute provided
...lob.core.windows.net/images/linkedin.pngNo alt attribute provided
...lob.core.windows.net/images/logo-ppg.svgppg
https://www.sigma.nl/images/lazyloading.pngloader

Page structure

H1 heading
(Critically important)
5 weken lang buitengewone acties met Sigma S2U Allure
Too many H1 headings
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 5 weken lang buitengewone acties met Sigma S2U Allure
H1 Empty heading
H2 2 Tickets voor Burgers’ Zoo
H2 Vaksjaak Podcast: veiligheid eerst:
H2 Populaire producten
H2 Recente blogs
H2 Veiligheid eerst: verzekeringtips voor schilders
H2 Sigma stapt in Kozijn Herstel Plan
H2 Interessante thema's
H2 Volg @sigmacoatingsnl op social media
H3 Mijn account
H3 Sigma S2U Allure Gloss 1L
H3 Sigma Perfect Matt 10L
H3 Sigma S2U Nova Matt 1L
H3 Repair Care DRY FLEX 4
H3 Sigma Pearl Clean Matt 10L
H4 Sigma Service Center Alkmaar
H4 Sigma Service Center Arnhem
H4 Sigma Service Center Eindhoven
H4 Sigma Service Center Rotterdam-Zuid
H4 Sigma Service Center Utrecht Kanaleneiland
H4 Sigma Service Center Leiden
H4 Sigma Service Center Zwolle
H4 Assortiment
H4 Blijf op de hoogte
H4 PPG
H4 Empty heading
H4 Empty heading
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 18 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.sigma.nl/consumentConsument
https://www.sigma.nl/contactContact
https://www.sigma.nl/winkelsWinkels
https://www.sigma.nl/certificatenKenmerkenbladen en keurmerken
https://www.sigma.nl/IMG-ALT SIGMA
/AccountSwitch/GetSwitchMultiA...Wissel account
IMG-ALT picto prise de rendez-vous showrom
https://www.sigma.nl/passwordInloggen
https://www.sigma.nl/winkelwagen0Winkelwagen
https://www.sigma.nl/consumentText duplicate Consument
https://www.sigma.nl/contactText duplicate Contact
https://www.sigma.nl/certificatenCertificaten
https://www.sigma.nl/verfVerf
/verf/dekkende-houtafwerkingDekkende houtafwerking
/verf/gevelafwerkingGevelafwerking
/verf/metaal-en-kunststofafwer...Metaal en kunststofafwerking
/verf/spraymasterSprayMaster
/verf/transparante-houtafwerkingTransparante houtafwerking
/verf/vloercoatingsVloercoatings
/verf/wand-en-plafondafwerkingWand en plafondafwerking
/schildersbenodigdhedenSchildersbenodigdheden
/schildersbenodigdheden/afdekm...Afdekmaterialen en tapes
/schildersbenodigdheden/afdekm...Afdekmateriaal
/schildersbenodigdheden/afdekm...Afdekmateriaal papier
/schildersbenodigdheden/afdekm...Tapes
/schildersbenodigdheden/chemic...Chemicaliën
/schildersbenodigdheden/chemic...Verdunningen
/schildersbenodigdheden/gereed...Gereedschap
/schildersbenodigdheden/gereed...Behanggereedschap
/schildersbenodigdheden/gereed...Overige gereedschappen
/schildersbenodigdheden/gereed...Schildersgereedschap
/schildersbenodigdheden/gereed...Stucadoorsgereedschap
/schildersbenodigdheden/gereed...Vloergereedschap
/schildersbenodigdheden/glaswe...Wandafwerking
/schildersbenodigdheden/glaswe...Glasvlies
/schildersbenodigdheden/glaswe...Vliesbehang
/schildersbenodigdheden/kledin...Kleding en veiligheidsartikelen
/schildersbenodigdheden/kledin...Veiligheidsartikelen PPE
/schildersbenodigdheden/kledin...Veiligheidsschoenen
/schildersbenodigdheden/kledin...Werkkleding
/schildersbenodigdheden/kleure...Kleurentools
/schildersbenodigdheden/kleure...Kleurenscanner
/schildersbenodigdheden/kleure...Kleurenwaaiers
/schildersbenodigdheden/klimma...Klimmateriaal
/schildersbenodigdheden/klimma...Ladders en trappen
/schildersbenodigdheden/klimma...Steigers en toebehoren
/schildersbenodigdheden/kwaste...Kwasten en rollers
/schildersbenodigdheden/kwaste...Emmers en blikken
/schildersbenodigdheden/kwaste...Kwasten
/schildersbenodigdheden/kwaste...Speciale kwasten
/schildersbenodigdheden/kwaste...Toebehoren kwasten en rollers
/schildersbenodigdheden/kwaste...Verfrollers
/schildersbenodigdheden/lijmenLijmen
/schildersbenodigdheden/lijmen...Glasweefsel en nonwovenlijm
/schildersbenodigdheden/lijmen...Wand en plafondlijm
/schildersbenodigdheden/machinesMachines
/schildersbenodigdheden/machin...Mixers & Schuurmachine accessoires
/schildersbenodigdheden/machin...Overige machines (electrisch)
/schildersbenodigdheden/machin...Schoonmaakmachine & accessoires
/schildersbenodigdheden/machin...Schuurmachines
/schildersbenodigdheden/machin...Text duplicate SprayMaster
/schildersbenodigdheden/machin...Spuitapparatuur
/schildersbenodigdheden/machin...Verlichting
/schildersbenodigdheden/reinig...Reinigings-en afbijtmiddelen
/schildersbenodigdheden/reinig...Afbijtmiddelen
/schildersbenodigdheden/reinig...Overige reinigings- en afbijtmiddelen
/schildersbenodigdheden/reinig...Reinigingsmiddelen
/schildersbenodigdheden/reinig...Schoonmaakdoeken
/schildersbenodigdheden/schuur...Schuurmiddelen
/schildersbenodigdheden/schuur...Hand schuurpapier
/schildersbenodigdheden/schuur...Machine schuurpapier
/schildersbenodigdheden/schuur...Overige schuurmiddelen
/schildersbenodigdheden/specia...Specialty verfproducten
/schildersbenodigdheden/specia...Overige specialty verfproducten
/schildersbenodigdheden/specia...Wegen- en lijnenverf
/schildersbenodigdheden/vulmid...Vulmiddelen en kitten
/schildersbenodigdheden/vulmid...Houtreparatiemiddelen
/schildersbenodigdheden/vulmid...Kitten
/schildersbenodigdheden/vulmid...Overige vulmiddelen en kitten
/schildersbenodigdheden/vulmid...Vulmiddelen
https://www.sigma.nl/dienstenDiensten
/diensten/bladen-en-downloadsBladen & downloads
/diensten/bladen-en-downloads/...Brochures
/diensten/bladen-en-downloads/...Informatiebladen
/diensten/dienstenText duplicate Diensten
/Diensten/Diensten/eigen-zaakSigma EigenZaak
/diensten/diensten/bestekserviceBestekservice
/diensten/trainingenTrainingen
/diensten/trainingen/theorie-t...Theorie trainingen
/diensten/trainingen/trainings...Trainingsprogramma voor bedrijven
/diensten/trainingen/demonstra...Demonstratiefilms
/diensten/opdrachtgeversOpdrachtgevers
/diensten/opdrachtgevers/conta...Contact met de specialist
/diensten/real-estate-serviceReal Estate Service
https://www.sigma.nl/kleurKleur
/color-collectionsColor collections
/kleur/onze-kleurentoolsOnze kleurentools
/kleur/onze-kleurentools/kleur...Kleurenwaaiers & kaarten
/kleur/onze-kleurentools/kleur...Kleurstalen
/kleur/onze-kleurentools/ppg-c...PPG Colour Reader
/kleur/onze-kleurentools/sigma...Sigma Colour Tester
/kleur/over-onze-kleurenOver onze kleuren
/kleur/over-onze-kleuren/60-30...Het 60-30-10 principe
/kleur/over-onze-kleuren/kleur...Kleuradvies & kleurvragen
/kleur/over-onze-kleuren/sigma...Sigma Voice of Colour
/kleur/voor-consumentenVoor consumenten
https://www.sigma.nl/blogBlog
https://www.sigma.nl/over-sigmaOver Sigma
/over-sigma/historieHISTORIE
/over-sigma/historieHistorie
https://www.sigma.nl/gliddenGlidden
https://www.sigma.nl/progoldProGold
/over-sigma/innovatiesInnovaties
https://www.sigma.nl/spraymasterPPG Spraymaster
/over-sigma/innovaties/sigma-w...Sigma Woodcare
/over-sigma/innovaties/sigma-s...Sigma S2U Nova
/over-sigma/innovaties/sigma-s...Sigma S2U Allure
/over-sigma/innovaties/sigma-p...Sigma Perfect
/over-sigma/innovaties/sigma-p...Sigma Pearl Clean
/over-sigma/online-bestellenONLINE BESTELLEN
/over-sigma/online-bestellenOnline bestellen
/werken-bij-sigmaWERKEN BIJ SIGMA
/werken-bij-sigmaWerken bij Sigma
https://www.sigma.nl/duurzaamheidDuurzaamheid
https://www.sigma.nl/IMG-ALT Sigma
https://www.sigma.nl/inloggenText duplicate Inloggen
https://www.sigma.nl/winkelwagen0 Mijn winkelwagen
/contact-informationMijn account
https://www.sigma.nl/favorietenMijn favoriete producten
/Account/SignOutUitloggen
https://wa.me/+31643397535External Whatsapp
https://wa.me/+31638829336External Text duplicate Whatsapp
https://wa.me/+31643397524External Text duplicate Whatsapp
https://wa.me/+31643397582External Text duplicate Whatsapp
https://wa.me/+31643397544External Text duplicate Whatsapp
https://wa.me/+31638072299External Text duplicate Whatsapp
https://wa.me/+31643397504External Text duplicate Whatsapp
https://www.sigma.nl/contactGa naar contactpagina >
/campagne/sigma-s2u-allureBekijk de acties >
/campagne/sigma-s2u-allureLees meer >
/blog/vaksjaak-podcast-veiligheidText duplicate Lees meer >
/verf/wand-en-plafondafwerkingMuurverf
IMG-ALT icon
/verf/dekkende-houtafwerkingLakverf
IMG-ALT icon
/verf/gevelafwerkingGevelverf
IMG-ALT icon
/schildersbenodigdheden/kwaste...Text duplicate Kwasten en rollers
IMG-ALT icon
/verf/dekkende-houtafwerking/s...Sigma S2U Allure Gloss 1L Extreem duurzame, hoogglans lakverf voor buiten met Extreme Protection technologie. Sigma S2U Allure Gloss met Extreme Protection b...
IMG-ALT image description
/verf/wand-en-plafondafwerking...Sigma Perfect Matt 10L Perfect egale matte muurverf voor binnen op basis van 100% acrylaatdispersie. Prijs excl. BTW Bestellen
IMG-ALT image description
/verf/dekkende-houtafwerking/s...Sigma S2U Nova Matt 1L Hoogwaardige, kras- en slijtvaste, matte lakverf voor binnen op basis van polyurethaan-acrylaat met LTA+- technologie. Prijs excl. BTW...
IMG-ALT image description
/schildersbenodigdheden/vulmid...Subdomain Repair Care DRY FLEX 4 Voor snel en permanent repareren van hout Prijs excl. BTW Bestellen
IMG-ALT image description
/verf/wand-en-plafondafwerking...Sigma Pearl Clean Matt 10L Zeer goed reinigbare, egaal matte muurverf voor binnen op basis van 100% acrylaatdispersie met Easy Clean Technology. Prijs excl. ...
IMG-ALT image description
/blog/vaksjaak-podcast-veiligheidVeiligheid eerst: verzekeringtips voor schilders Host Ruben van der Kruis ontvangt in deze aflevering van de Vaksjaak Podcast een druk baasje: Koen Dijkstra ...
/blog/vaksjaak-podcast-veiligheidLees meer
/sigma-stapt-in-kozijn-herstel...Sigma stapt in Kozijn Herstel Plan Sigma Coatings ondertekent mede samenwerkings-convenant Kozijn Herstel Plan
/sigma-stapt-in-kozijn-herstel...Text duplicate Lees meer
https://www.sigma.nl/appAlles over de app
https://www.facebook.com/sigma...New window External Subdomain No Text
https://www.instagram.com/sigm...New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
/verf/dekkende-houtafwerkingText duplicate Dekkende houtafwerking
/verf/gevelafwerkingText duplicate Gevelafwerking
/verf/spraymasterText duplicate SprayMaster
/verf/transparante-houtafwerkingText duplicate Transparante houtafwerking
/verf/metaal-en-kunststofafwer...Text duplicate Metaal en kunststofafwerking
/verf/vloercoatingsText duplicate Vloercoatings
/verf/wand-en-plafondafwerkingText duplicate Wand en plafondafwerking
https://www.sigma.nl/Inschrijven nieuwsbrief
https://www.facebook.com/sigma...External Subdomain Facebook
http://instagram.com/sigmacoat...External Instagram
https://www.linkedin.com/compa...External Subdomain Linkedin
/historie-van-sigmaHistorie van Sigma
/werken-bij-sigmaText duplicate Werken bij Sigma
https://www.ppg.com/External Subdomain PPG Website
https://www.sigma.nl/disclaimerDisclaimer
https://stcacnlsigmanlprd01.bl...New window External Subdomain AV
https://corporate.ppg.com/getd...Nofollow External Subdomain Privacyverklaring
http://corporate.ppg.com/Home....New window External Subdomain PPG
http://corporate.ppg.com/Home....New window External Subdomain IMG-ALT ppg

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.sigma.nl/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 of 0.46 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 5 CSS files. This may affect the page load time negatively.
This page loads 16 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (97 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=utf-8
dateSun, 12 May 2024 04:31:23 GMT
serverMicrosoft-IIS/10.0
access-control-expose-headersRequest-Context
cache-controlprivate
content-encodinggzip
set-cookie82 Characters
varyAccept-Encoding
content-length21102
strict-transport-securitymax-age=31536000
x-aspnetmvc-version5.2
x-aspnet-version4.0.30319
request-contextappId=cid-v1:e3f9932a-3fce-46f8-b98f-7e96727feace
x-powered-byASP.NET
content-security-policyframe-ancestors 'self'
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 805 referring domains.
This page has 14,291 backlinks.
This page has backlinks from 685 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

                        
Similar sites

        
                    

                    

                        
Search preview

            www.sigma.nl
Sigma Nederland | Verf, Coatings & Schildersbenodigdheden

Ontdek hoogwaardige verfproducten en kleureninspiratie op Sigma.nl. Dé plek voor professionele verfoplossingen en deskundig advies.
Most important keywords

            
Following keywords were found. You can check the keyword optimization of this page for each keyword.
KeywordResultRecheck
Sigma85%Check
Sigma S2U68%Check
Sigma Coatings65%Check
Sigma S2U Allure63%Check
Sigma Service61%Check
Verf59%Check
Sigma Perfect59%Check
S2U56%Check
Allure56%Check
Sigma S2U Allure Gloss56%Check
  
      Show more keywords and terms  
            

                

                    
                    

                        
                    

                    

                        
                    

                

            

            
                    

                

            


                    

            

                

                    

                    

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