Deltafilter.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
74% 
Page structure
100% 
Link structure
43% 
Server
100% 
External factors
36% 
SEO Score
Response time
0.13 s
File size
436.50 kB
Words
839
Media files
18
Number of links
117 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Ihr professioneller Filter-Hersteller | DELTAFILTER
The length of the page title is perfect. (448 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Als Filter-Hersteller sind wir Spezialist für Rückspülfilter ✓ Kantenspaltfilter ✓ Automatikfilter ✓. ISO-Qualität seit über 30 Jahren. Jetzt beraten lassen!
The length of the meta description is perfect. (923 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://deltafilter.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: Germany
The following language is defined by HTML: de-de
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 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 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
descriptionAls Filter-Hersteller sind wir Spezialist für Rückspülfilter ✓ Kantenspaltfilter ✓ Automatikfilter ✓. ISO-Qualität seit über 30 Jahren. Jetzt beraten lassen!
robotsfollow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
generatorWP Rocket 3.18.3
plausible-analytics-version2.3.1
msapplication-TileImagehttps://deltafilter.com/wp-content/uploads/favicon-deltafilter.png
article:published_time2023-02-02T15:23:59+01:00
article:modified_time2024-08-08T11:53:17+02:00
langde-de
twitter:cardsummary_large_image
twitter:titleIhr professioneller Filter-Hersteller | DELTAFILTER
twitter:descriptionAls Filter-Hersteller sind wir Spezialist für Rückspülfilter ✓ Kantenspaltfilter ✓ Automatikfilter ✓. ISO-Qualität seit über 30 Jahren. Jetzt beraten lassen!
twitter:imagehttps://deltafilter.com/wp-content/uploads/slide_DELTA-STRAIN_RS-Reihe-1.png
twitter:label1Verfasst von
twitter:data1Sebastian Theobald
twitter:label2Lesedauer
twitter:data22 Minuten
og:localede_DE
og:typewebsite
og:titleIhr professioneller Filter-Hersteller | DELTAFILTER
og:descriptionAls Filter-Hersteller sind wir Spezialist für Rückspülfilter ✓ Kantenspaltfilter ✓ Automatikfilter ✓. ISO-Qualität seit über 30 Jahren. Jetzt beraten lassen!
og:urlhttps://deltafilter.com/
og:site_nameDELTAFILTER Filtrationssysteme GmbH
og:updated_time2024-08-08T11:53:17+02:00
og:imagehttps://deltafilter.com/wp-content/uploads/slide_DELTA-STRAIN_RS-Reihe-1.png
og:image:secure_urlhttps://deltafilter.com/wp-content/uploads/slide_DELTA-STRAIN_RS-Reihe-1.png
og:image:width454
og:image:height373
og:image:altslide_DELTA-STRAIN_RS-Reihe (1)
og:image:typeimage/png
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.
This page contains 839 words. That's ok.
37.9% of the text are stop words.
The page contains a listing, which indicates a good text layout.
18 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 16.27 words is good.
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.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 17 tags for this page.
Image SEO
(Somewhat important)
3 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...epress-multilingual-cms/res/flags/en.svgEnglisch
/wp-content/uploads/deltafilter-logo.jpgDeltafilter Logo
...ploads/slide_DELTA-STRAIN_RS-Reihe-1.pngslide_DELTA-STRAIN_RS-Reihe (1)
...oads/rueckspuelfilter-e1704964055594.pngrueckspuelfilter
data:[...] Base64siebkorbfilter
data:[...] Base64beutelfilter
data:[...] Base64hutsiebfilter
...lter-Hintergrundgrafiken-5-1024x1024.pngNo alt attribute provided
...lter-Hintergrundgrafiken-5-1024x1024.pngNo alt attribute provided
...ploads/slide_DELTA-STRAIN_RS-Reihe-1.pngslide_DELTA-STRAIN_RS-Reihe (1)
data:[...] Base64Deltafilter arrows-right
data:[...] Base64Selbstreingender Filter DELTA-STRAIN 1200-RS-freisteller
data:[...] Base64Kantenspaltfilter DELTA-STRAIN 35-DL-freisteller
...lter-Hintergrundgrafiken-5-1024x1024.pngNo alt attribute provided
data:[...] Base64deltafilter-logo-footer
data:[...] Base64tuev_logo_9001
/wp-content/uploads/deltafilter-logo.jpgDeltafilter Logo
data:[...] Base64Deltafilter arrows-right

Page structure

H1 heading
(Critically important)
Ihr Partner für Filter und Filtersysteme
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Ihr Partner für Filter und Filtersysteme
H2 Qualität vom Hersteller: Rückspülfilter, Automatikfilter & andere Filter und Filtersysteme
H2 Unser Spezialgebiet als Filter-Hersteller: selbstreinigende Filter
H2 Welche Bauarten von Filtern gibt es?
H2 DELTAFILTER: 30 Jahre Qualität und Technik
H3 Qualitäts- verpflichtung
H3 Maßgeschneiderte Lösungen
H3 Rückspülfilter
H3 Kantenspaltfilter
H3 Automatikfilter
H3 Siebkorbfilter
H3 Kerzenfilter
H3 Beutelfilter
H3 Deckelschnellverschlüsse
H3 Fahrbare Filteranlagen
H3 Filtereinsätze
H3 Hutsiebe (Anfahrsiebe)
H3 Mietfilter und Versuchsfilter
H3 Zentrifugalabscheider (Separatoren)
H3 Besonders breites Anwendungsspektrum
H3 Langlebigkeit und Zuverlässigkeit
H3 Benutzerfreundlichkeit und einfache Wartung
Some anchor texts are used more than once.
5 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 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://deltafilter.com/Anchor Zum Inhalt wechseln
https://deltafilter.com/en/IMG-ALT Englisch
https://deltafilter.com/kontakt/Anchor Anfrage absenden
https://deltafilter.com/IMG-ALT Deltafilter Logo
https://deltafilter.com/Anchor No Text
https://deltafilter.com/Startseite
https://deltafilter.com/Anchor Produkte
/ueber-uns/Über uns
/downloads/Downloads
https://deltafilter.com/kontakt/Kontakt
/ueber-uns/Text duplicate Über uns
/downloads/Text duplicate Downloads
https://deltafilter.com/kontakt/Text duplicate Kontakt
https://deltafilter.com/job/Jobs
https://deltafilter.com/kontakt/Text duplicate Kontakt
https://deltafilter.com/produkt/Text duplicate Produkte
https://deltafilter.com/kontakt/Text duplicate Kontakt
https://deltafilter.com/kontakt/Anchor Angebot anfragen
/produktkategorie/rueckspuehlf...Rückspülfilter
/produktkategorie/rueckspuehlf...Mehr dazu
/produktkategorie/kantenspaltf...Kantenspaltfilter
/produktkategorie/kantenspaltf...Text duplicate Mehr dazu
/produktkategorie/automatikfil...Automatikfilter
/produktkategorie/automatikfil...Text duplicate Mehr dazu
/produktkategorie/siebkorbfilter/Siebkorbfilter
/produktkategorie/siebkorbfilter/Text duplicate Mehr dazu
/produktkategorie/kerzenfilter/Kerzenfilter
/produktkategorie/kerzenfilter/Text duplicate Mehr dazu
/produktkategorie/beutelfilter/Beutelfilter
/produktkategorie/beutelfilter/Text duplicate Mehr dazu
/produktkategorie/deckelschnel...Deckelschnellverschlüsse
/produktkategorie/deckelschnel...Text duplicate Mehr dazu
/produktkategorie/fahrbare-fil...Fahrbare Filteranlagen
/produktkategorie/fahrbare-fil...Text duplicate Mehr dazu
/produktkategorie/filtereinsae...Filtereinsätze
/produktkategorie/filtereinsae...Text duplicate Mehr dazu
/produktkategorie/hutsiebe-anf...Hutsiebe (Anfahrsiebe)
/produktkategorie/hutsiebe-anf...Text duplicate Mehr dazu
/produktkategorie/mietfilter-u...Mietfilter und Versuchsfilter
/produktkategorie/mietfilter-u...Text duplicate Mehr dazu
/produktkategorie/zentrifugala...Zentrifugalabscheider (Separatoren)
/produktkategorie/zentrifugala...Text duplicate Mehr dazu
https://deltafilter.com/produkt/Alle Produkte
/ueber-uns/Text duplicate Über uns
https://deltafilter.com/job/Teil des Teams werden
https://deltafilter.com/kontakt/Anchor Zur Anfrage
https://goo.gl/maps/3GqqUerHMDrNew window External Im Neudeck 10 67346 Speyer DEUTSCHLAND / GERMANY
/produktkategorie/rueckspuehlf...Text duplicate Rückspülfilter
/produktkategorie/kantenspaltf...Text duplicate Kantenspaltfilter
/produktkategorie/automatikfil...Text duplicate Automatikfilter
/produktkategorie/siebkorbfilter/Text duplicate Siebkorbfilter
/produktkategorie/kerzenfilter/Text duplicate Kerzenfilter
/produktkategorie/beutelfilter/Text duplicate Beutelfilter
/produktkategorie/deckelschnel...Text duplicate Deckelschnellverschlüsse
/produktkategorie/fahrbare-fil...Text duplicate Fahrbare Filteranlagen
/produktkategorie/filtereinsae...Text duplicate Filtereinsätze
/produktkategorie/hutsiebe-anf...Text duplicate Hutsiebe (Anfahrsiebe)
/produktkategorie/mietfilter-u...Text duplicate Mietfilter und Versuchsfilter
/produktkategorie/zentrifugala...Text duplicate Zentrifugalabscheider (Separatoren)
https://deltafilter.com/kontakt/Anchor Angebot Anfragen
/impressum/Impressum
/datenschutz/Datenschutz
https://www.starts.design/New window External Subdomain STARTS Design
https://deltafilter.com/Text duplicate IMG-ALT Deltafilter Logo
https://deltafilter.com/Anchor No Text
https://deltafilter.com/No Text
https://deltafilter.com/Text duplicate Startseite
https://deltafilter.com/produkt/No Text
https://deltafilter.com/produkt/Text duplicate Produkte
/produktkategorie/rueckspuehlf...Text duplicate Rückspülfilter
/produktkategorie/kantenspaltf...Text duplicate Kantenspaltfilter
/produktkategorie/siebkorbfilter/Text duplicate Siebkorbfilter
/produktkategorie/kerzenfilter/Text duplicate Kerzenfilter
/produktkategorie/beutelfilter/Text duplicate Beutelfilter
/produktkategorie/deckelschnel...Text duplicate Deckelschnellverschlüsse
/produktkategorie/fahrbare-fil...Text duplicate Fahrbare Filteranlagen
/produktkategorie/filtereinsae...Text duplicate Filtereinsätze
/produktkategorie/hutsiebe-anf...Text duplicate Hutsiebe (Anfahrsiebe)
/produktkategorie/mietfilter-u...Text duplicate Mietfilter und Versuchsfilter
/produktkategorie/zentrifugala...Text duplicate Zentrifugalabscheider (Separatoren)
/ueber-uns/No Text
/ueber-uns/Text duplicate Über uns
https://deltafilter.com/job/No Text
https://deltafilter.com/job/Text duplicate Jobs
https://deltafilter.com/kontakt/No Text
https://deltafilter.com/kontakt/Text duplicate Kontakt
/downloads/No Text
/downloads/Text duplicate Downloads
https://deltafilter.com/kontakt/Anchor No Text
https://deltafilter.com/kontakt/Anchor Text duplicate Anfrage absenden
https://deltafilter.com/produkt/Alle Filter
/produktkategorie/rueckspuehlf...Text duplicate Rückspülfilter
/produktkategorie/kantenspaltf...Text duplicate Kantenspaltfilter
/produkt/delta-strain-rs-reihe/DELTA-STRAIN RS-Reihe
/produkt/delta-strain-sl-reihe/DELTA-STRAIN S/L-Reihe
/produkt/delta-strain-dl-reihe/DELTA-STRAIN D/L-Reihe
/produkt/delta-strain-35-dl/DELTA-STRAIN 35-D/L
/produkt/delta-scf-guss-reihe/DELTA-SCF Guss-Reihe
/produktkategorie/siebkorbfilter/Text duplicate Siebkorbfilter
/produkt/delta-sks-geschweisst...DELTA-SKS geschweißte Einzelfilter
/produkt/delta-skb-geschweisst...DELTA-SKB geschweißte Einzelfilter
/produkt/delta-sk-geschweisste...DELTA-SK geschweißte Sonderfilter
/produkt/delta-ow-gegossene-do...DELTA-OW gegossene Doppelfilter
/produkt/delta-ov-gegossene-ei...DELTA-OV gegossene Einzelfilter
/produktkategorie/kerzenfilter/Text duplicate Kerzenfilter
/produktkategorie/beutelfilter/Text duplicate Beutelfilter
/produkt/delta-bf/DELTA-BF
/produkt/delta-bfs7/DELTA-BFS7
/produkt/delta-bfs10g/DELTA-BFS10G
/produkt/mehrfach-beutelfilter/Mehrfach-Beutelfilter DELTA-BF und DELTA-BFS10
/produktkategorie/deckelschnel...Text duplicate Deckelschnellverschlüsse
/produktkategorie/fahrbare-fil...Text duplicate Fahrbare Filteranlagen
/produktkategorie/filtereinsae...Text duplicate Filtereinsätze
/produkt/filterkerzen/Filterkerzen
/produkt/siebkoerbe/Siebkörbe
/produkt/filterbeutel/Filterbeutel
/produktkategorie/hutsiebe-anf...Text duplicate Hutsiebe (Anfahrsiebe)
/produktkategorie/mietfilter-u...Text duplicate Mietfilter und Versuchsfilter
/produktkategorie/zentrifugala...Text duplicate Zentrifugalabscheider (Separatoren)

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://deltafilter.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 0.13 seconds.
The file size of the HTML document is fine (437 kB).

HTTP Response Header

NameValue
servernginx
dateSun, 03 Aug 2025 09:44:16 GMT
content-typetext/html
last-modifiedSun, 03 Aug 2025 01:08:19 GMT
etagW/"688eb683-6d219"
varyAccept-Encoding, Cookie
cache-controlno-cache, no-store, must-revalidate
x-rocket-nginx-serving-staticYes
strict-transport-securitymax-age=31536000; includeSubDomains
content-encodingbr
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 12 referring domains.
This page only has 15 backlinks.
This page only has few backlinks from 9 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: https://deltafilter.com/sitemap_index.xml

Similar sites

Search preview

deltafilter.com
Ihr professioneller Filter-Hersteller | DELTAFILTER
Als Filter-Hersteller sind wir Spezialist für Rückspülfilter ✓ Kantenspaltfilter ✓ Automatikfilter ✓. ISO-Qualität seit über 30 Jahren. Jetzt beraten lassen!

Most important keywords

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

KeywordResultRecheck
Filter89%Check
Hersteller66%Check
DELTAFILTER64%Check
Filter-Hersteller62%Check
selbstreinigende Filter62%Check
Rückspülfilter61%Check
Automatikfilter54%Check
Filtersysteme54%Check
Qualität54%Check
Kantenspaltfilter54%Check
Show more keywords and terms

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