Ionscience.com - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
64% 
Page structure
81% 
Link structure
25% 
Server
86% 
External factors
100% 
SEO Score
Response time
0.29 s
File size
606.80 kB
Words
1529
Media files
48
Number of links
177 internal / 19 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Pioneering Gas Sensing Technology - ION Science Ltd
The length of the page title is perfect. (488 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
ION Science Ltd is a leading manufacturer of technologically advanced gas detection equipment and OEM PID Gas Sensors. Gas Sensing Technology
The length of the meta description is perfect. (924 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://ionscience.com/en/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-gb
Server location: United States of America
The following language is defined by HTML: en-gb
Alternate/Hreflang Links
(Somewhat important)
A language definition is specified wrong in alternate links.
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
viewportwidth=device-width, initial-scale=1, maximum-scale=1, user-scalable=0
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionION Science Ltd is a leading manufacturer of technologically advanced gas detection equipment and OEM PID Gas Sensors. Gas Sensing Technology
google-site-verification1blf323Lrq7zCpViyJB4Q58GH08ivcvM40stmbdjeEo
cf-2fa-verifykf653lks-fdncyuhs0wskmeygde6yd
article:modified_time2024-07-08T07:37:23+00:00
langen-gb
twitter:cardsummary_large_image
og:localeen_GB
og:typewebsite
og:titlePioneering Gas Sensing Technology - ION Science Ltd
og:descriptionION Science Ltd is a leading manufacturer of technologically advanced gas detection equipment and OEM PID Gas Sensors. Gas Sensing Technology
og:urlhttps://ionscience.com/en/
og:site_nameIon Science UK
charsetUTF-8

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Page quality

Content
(Critically important)
There are 3 text duplicates on this page:
  • Duplicate: View our case studies to see how our OEM sensor technology integration...
The average number of words per sentence of 28.24 words is high.
This page contains 1529 words. That's ok.
23.3% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
16 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
The file size of the HTML document is very large (606.8 kB).
A viewport "width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 31 tags for this page.
Image SEO
(Somewhat important)
34 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
data:[...] Base64Ion Science UK
data:[...] Base64Ion Science UK
.../09/slider-2.jpg?strip=all&lossy=1&ssl=1No alt attribute provided
...stimonials-3.jpg?strip=all&lossy=1&ssl=1No alt attribute provided
...tners-logo-1.jpg?strip=all&lossy=1&ssl=1No alt attribute provided
...tners-logo-2.jpg?strip=all&lossy=1&ssl=1No alt attribute provided
...tners-logo-3.jpg?strip=all&lossy=1&ssl=1No alt attribute provided
...tners-logo-4.jpg?strip=all&lossy=1&ssl=1No alt attribute provided
.../10/resource.jpg?strip=all&lossy=1&ssl=1No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
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data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64minipid_2_ppm_wr
data:[...] Base64minipid2_ppm
data:[...] Base64wide range gas sensor
data:[...] Base64minipid2_ppb
data:[...] Base64minipid2_hs
data:[...] Base64minipid2_10ev
data:[...] Base64minipid2_11ev
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided

Page structure

H1 heading
(Critically important)
Pioneering Gas Sensing Technology.
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
There are 30 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 Pioneering Gas Sensing Technology.
H2 What our customers say
H2 What our customers say Duplicate text
H2 What our customers say Duplicate text
H2 Resource Centre
H2 Our Vision …
H2 Our Mission …
H2 News & Events
H2 OEM Sensors – comparison
H3 Which gas are you looking to detect?
H3 Please select a country or region
H4 Filter
H4 Carbon Monoxide and Hydrogen Cyanide: The “Toxic Twins”
H4 ARA-X4: NEW Multi Gas Detector from ION Science
H4 Mike Hawes Appointed Managing Director of ION Science Ltd as Duncan Johns Transitions to Director of Innovation
H4 Head Office (UK)
H4 Gas and Leak Detectors
H4 Sensors and Components
H4 Newsletter
H4 Distributor Portal
H4 Switch to Region
H5 Follow us on
H5 MiniPID 2 PPM WR VOC Sensor
H5 MiniPID 2 PPM VOC Sensor
H5 MiniPID 2 PPB WR VOC Sensor
H5 MiniPID 2 PPB VOC Sensor
H5 MiniPID 2 HS VOC Sensor
H5 MiniPID 2 10.0 eV VOC Sensor
H5 MiniPID 2 11.7 eV VOC Sensor
H5 MiniPID 2 PPB XF Sensor
Some anchor texts are used more than once.
7 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 19 external links on this page.

Found links on this page

LinkAttributesAnchor text
/en/ion-science/About ION
/en/careers/Careers
/en/coming-soon/Gas Search
https://distributors.ionscienc...External Subdomain Distributor Portal Login
/en/gas-and-leak-detectors/cus...Raise a Technical Support Ticket
https://ionscience.com/en/IMG-ALT Ion Science UK
https://ionscience.com/en/Anchor No Text
https://ionscience.com/en/Anchor No Text
/en/gas-and-leak-detectors/Gas and Leak Detectors
/en/gas-and-leak-detectors/Products
/en/gas-and-leak-detectors/por...Portable Gas Detectors
/en/gas-and-leak-detectors/per...Personal Gas Detectors
/en/gas-and-leak-detectors/fix...Fixed Gas Detectors
/en/gas-and-leak-detectors/sem...Semi-Portable Gas Detectors
/en/gas-and-leak-detectors/cal...Calibration
/en/gas-and-leak-detectors/ind...Search by Industry
/en/gas-and-leak-detectors/res...Resource Centre
/en/gas-and-leak-detectors/res...Gas Fact Sheets
/en/gas-and-leak-detectors/res...Gas Guides
/en/gas-and-leak-detectors/res...Industry Guides
/en/gas-and-leak-detectors/res...Application Articles
/en/gas-and-leak-detectors/res...Case Studies
/en/gas-and-leak-detectors/res...White Papers
/en/gas-and-leak-detectors/res...Customer Testimonials
/en/gas-and-leak-detectors/res...Video
/en/gas-and-leak-detectors/cus...Customer Support
/en/gas-and-leak-detectors/cus...Service and Calibration
/en/gas-and-leak-detectors/cus...Technical Support
/en/gas-and-leak-detectors/cus...FAQ
/en/gas-and-leak-detectors/cus...Support Documents
/en/gas-and-leak-detectors/cus...Instrument Gas Table
/en/gas-and-leak-detectors/cus...Instrument Software and Firmware
/en/gas-and-leak-detectors/cus...Support Videos
/en/gas-and-leak-detectors/cus...Accessories
/en/gas-and-leak-detectors/cus...Replacement Parts
/en/gas-and-leak-detectors/cus...Extend Your Product Warranty
/en/sensors-and-components/Sensors and Components
/en/sensors-and-components/Text duplicate Products
/en/sensors-and-components/oem...OEM VOC Gas Sensors
/en/sensors-and-components/dev...Development Boards and Kits
/en/sensors-and-components/par...Particulate Matter (PM) Sensors
/en/sensors-and-components/ind...Text duplicate Search by Industry
/en/sensors-and-components/res...Text duplicate Resource Centre
/en/sensors-and-components/res...Text duplicate Gas Fact Sheets
/en/sensors-and-components/res...Text duplicate Gas Guides
/en/sensors-and-components/res...Text duplicate Industry Guides
/en/sensors-and-components/res...Text duplicate Application Articles
/en/sensors-and-components/res...Text duplicate Case Studies
/en/sensors-and-components/res...Text duplicate White Papers
/en/sensors-and-components/res...Text duplicate Customer Testimonials
/en/sensors-and-components/res...Videos
/en/sensors-and-components/cus...Text duplicate Customer Support
/sensors-and-components/custom...Text duplicate Technical Support
/en/sensors-and-components/cus...Text duplicate FAQ
/en/sensors-and-components/cus...Text duplicate Support Documents
/en/sensors-and-components/cus...Sensor Software
/en/sensors-and-components/cus...Text duplicate Support Videos
/en/sensors-and-components/cus...Text duplicate Accessories
/en/sensors-and-components/cus...Text duplicate Replacement Parts
https://ionscience.com/en/events/Events
https://ionscience.com/en/news/News
/en/contact-us/Contact us
https://distributors.ionscienc...External Subdomain Text duplicate Distributor Portal Login
/en/ion-science/Text duplicate About ION
/en/careers/Text duplicate Careers
https://ionscience.com/en/Anchor No Text
/gas-and-leak-detectors/Text duplicate Gas and Leak Detectors
/sensors-and-components/Text duplicate Sensors and Components
/en/coming-soon/Text duplicate Gas Search
/sensors-and-components/resour...OEM Sensor customer integrations case studies
/gas-and-leak-detectors/resour...Gas Detection product case studies
/sensors-and-components/resour...Text duplicate OEM Sensor customer integrations case studies
/gas-and-leak-detectors/resour...Text duplicate Gas Detection product case studies
/sensors-and-components/resour...Text duplicate OEM Sensor customer integrations case studies
/gas-and-leak-detectors/resour...Text duplicate Gas Detection product case studies
/sensors-and-components/resour...OEM Sensor Resource Centre
/gas-and-leak-detectors/resour...Gas Detection Products Resource Centre
https://youtu.be/ppVLgQc7kBsExternal No Text
https://ionscience.com/newsView all Articles
/en/news/carbon-monoxide-and-h...No Text
/en/news/carbon-monoxide-and-h...No Text
/en/news/carbon-monoxide-and-h...Carbon Monoxide and Hydrogen Cyanide: The “Toxic Twins”
/en/news/new-multi-gas-detecto...No Text
/en/news/new-multi-gas-detecto...No Text
/en/news/new-multi-gas-detecto...ARA-X4: NEW Multi Gas Detector from ION Science
/en/news/mike-hawes-appointed-...No Text
/en/news/mike-hawes-appointed-...No Text
/en/news/mike-hawes-appointed-...Mike Hawes Appointed Managing Director of ION Science Ltd as Duncan Johns Transitions to Director of Innovation
https://g.page/ion-science-ltd...External ION Science Ltd The Hive, Butts Lane, Fowlmere Royston, SG8 7SL, UK
/en/news/ion-science-wins-the-...No Text
/en/about-ion-science/Text duplicate About ION
/en/careers/"Text duplicate Careers
/en/gas-and-leak-detectors/por...Portable Gas & Leak Detectors
/en/gas-and-leak-detectors/per...Text duplicate Personal Gas Detectors
/en/gas-and-leak-detectors/fix...Fixed Gas & Leak Detectors
/en/gas-and-leak-detectors/sem...Semi-Portable Gas & Leak Detectors
/en/gas-and-leak-detectors/res...Text duplicate Resource Centre
/en/gas-and-leak-detectors/cus...Text duplicate Customer Support
/en/gas-and-leak-detectors/cus...Text duplicate Service and Calibration
/en/gas-and-leak-detectors/cus...Text duplicate Extend Your Product Warranty
/en/sensors-and-components/oem...Text duplicate OEM VOC Gas Sensors
/en/sensors-and-components/dev...Text duplicate Development Boards and Kits
/en/sensors-and-components/par...Text duplicate Particulate Matter (PM) Sensors
/en/sensors-and-components/res...Text duplicate Resource Centre
/en/sensors-and-components/cus...Text duplicate Customer Support
https://distributors.ionscienc...External Subdomain Text duplicate Distributor Portal Login
https://www.facebook.com/ionsc...New window External Subdomain No Text
https://vimeo.com/ionscienceNew window External No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.youtube.com/user/I...New window External Subdomain No Text
https://www.instagram.com/ion_...New window External Subdomain No Text
/en/privacy-policy/Privacy Policy
/en/terms-conditions/Terms & Conditions
/en/disclaimer/Disclaimer
/en/gas-and-leak-detectors/Text duplicate Gas and Leak Detectors
/en/gas-and-leak-detectors/Text duplicate Products
/en/gas-and-leak-detectors/por...Text duplicate Portable Gas Detectors
/en/gas-and-leak-detectors/per...Text duplicate Personal Gas Detectors
/en/gas-and-leak-detectors/fix...Text duplicate Fixed Gas Detectors
/en/gas-and-leak-detectors/sem...Text duplicate Semi-Portable Gas Detectors
/en/gas-and-leak-detectors/cal...Text duplicate Calibration
/en/gas-and-leak-detectors/ind...Text duplicate Search by Industry
/en/gas-and-leak-detectors/res...Text duplicate Resource Centre
/en/gas-and-leak-detectors/res...Text duplicate Gas Fact Sheets
/en/gas-and-leak-detectors/res...Text duplicate Gas Guides
/en/gas-and-leak-detectors/res...Text duplicate Industry Guides
/en/gas-and-leak-detectors/res...Text duplicate Application Articles
/en/gas-and-leak-detectors/res...Text duplicate Case Studies
/en/gas-and-leak-detectors/res...Text duplicate White Papers
/en/gas-and-leak-detectors/res...Text duplicate Customer Testimonials
/en/gas-and-leak-detectors/res...Text duplicate Video
/en/gas-and-leak-detectors/cus...Text duplicate Customer Support
/en/gas-and-leak-detectors/cus...Text duplicate Service and Calibration
/en/gas-and-leak-detectors/cus...Text duplicate Technical Support
/en/gas-and-leak-detectors/cus...Text duplicate FAQ
/en/gas-and-leak-detectors/cus...Text duplicate Support Documents
/en/gas-and-leak-detectors/cus...Text duplicate Instrument Gas Table
/en/gas-and-leak-detectors/cus...Text duplicate Instrument Software and Firmware
/en/gas-and-leak-detectors/cus...Text duplicate Support Videos
/en/gas-and-leak-detectors/cus...Text duplicate Accessories
/en/gas-and-leak-detectors/cus...Text duplicate Replacement Parts
/en/gas-and-leak-detectors/cus...Text duplicate Extend Your Product Warranty
/en/sensors-and-components/Text duplicate Sensors and Components
/en/sensors-and-components/Text duplicate Products
/en/sensors-and-components/oem...Text duplicate OEM VOC Gas Sensors
/en/sensors-and-components/dev...Text duplicate Development Boards and Kits
/en/sensors-and-components/par...Text duplicate Particulate Matter (PM) Sensors
/en/sensors-and-components/ind...Text duplicate Search by Industry
/en/sensors-and-components/res...Text duplicate Resource Centre
/en/sensors-and-components/res...Text duplicate Gas Fact Sheets
/en/sensors-and-components/res...Text duplicate Gas Guides
/en/sensors-and-components/res...Text duplicate Industry Guides
/en/sensors-and-components/res...Text duplicate Application Articles
/en/sensors-and-components/res...Text duplicate Case Studies
/en/sensors-and-components/res...Text duplicate White Papers
/en/sensors-and-components/res...Text duplicate Customer Testimonials
/en/sensors-and-components/res...Text duplicate Videos
/en/sensors-and-components/cus...Text duplicate Customer Support
/sensors-and-components/custom...Text duplicate Technical Support
/en/sensors-and-components/cus...Text duplicate FAQ
/en/sensors-and-components/cus...Text duplicate Support Documents
/en/sensors-and-components/cus...Text duplicate Sensor Software
/en/sensors-and-components/cus...Text duplicate Support Videos
/en/sensors-and-components/cus...Text duplicate Accessories
/en/sensors-and-components/cus...Text duplicate Replacement Parts
https://ionscience.com/en/events/Text duplicate Events
https://ionscience.com/en/news/Text duplicate News
/en/contact-us/Text duplicate Contact us
https://distributors.ionscienc...External Subdomain Text duplicate Distributor Portal Login
/en/ion-science/Text duplicate About ION
/en/careers/Text duplicate Careers
https://twitter.com/ionscienceNew window External No Text
https://www.facebook.com/ionsc...New window External Subdomain No Text
https://vimeo.com/ionscienceNew window External No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.youtube.com/user/I...New window External Subdomain No Text
https://www.instagram.com/ion_...New window External Subdomain No Text
https://ionscience.com/usa/USA
https://ionscience.com/fr/France
https://ionscience.com/in/India
http://www.ionscience.cn/External Subdomain China
https://ionscience.com/it/Italy
https://www.ism-d.de/New window External Subdomain Germany
/en/products/minipid-2-ppm-wid...Product Details
/en/products/minipid-2-ppm-gas...Text duplicate Product Details
/en/products/minipid-2-ppb-wid...Text duplicate Product Details
/en/products/ppb-gas-sensor/Text duplicate Product Details
/en/products/high-sensitivity-...Text duplicate Product Details
/en/products/10-0-ev-gas-sensor/Text duplicate Product Details
/en/products/11-7-ev-gas-sensor/Text duplicate Product Details
/en/products/ppb-xf-gas-sensor/Text duplicate Product Details
https://ionscience.com/en/English
https://ionscience.com/in/Text duplicate India
https://ionscience.com/it/Italiano (Italian)
https://ionscience.com/fr/Français (French)
https://ionscience.com/usa/United States

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://ionscience.com/en/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The file size of the HTML document is very large (607 kB).
The page response time is excellent with 0.29 seconds.

HTTP Response Header

NameValue
dateMon, 28 Jul 2025 16:39:42 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
expiresThu, 19 Nov 1981 08:52:00 GMT
last-modifiedMon, 08 Jul 2024 08:37:23 GMT
link<https://ionscience.com/en/wp-json/>; rel="https://api.w.org/"
pragmano-cache
x-pingbackhttps://ionscience.com/xmlrpc.php
x-powered-byWP Engine
x-cacheableYES:15552000.000
cache-controlmax-age=15552000, must-revalidate
x-cacheMISS
x-cache-groupnormal
x-orig-cache-controlmax-age=15552000, must-revalidate
cf-cache-statusHIT
age268563
set-cookie280 Characters
servercloudflare
cf-ray9665d06b5a71d145-CDG
content-encodingbr
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 42 referring domains.
This page has 1,973 backlinks.
This page has backlinks from 40 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

Crawl-delay: 10
# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://ionscience.com/en/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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ionscience.com
Pioneering Gas Sensing Technology - ION Science Ltd
ION Science Ltd is a leading manufacturer of technologically advanced gas detection equipment and OEM PID Gas Sensors. Gas Sensing Technology

Most important keywords

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

KeywordResultRecheck
ION92%Check
Gas86%Check
ION Science83%Check
Gas Sensing81%Check
gas sensing technology79%Check
ION Science Ltd77%Check
Pioneering Gas Sensing75%Check
pioneering gas sensing technology75%Check
Science74%Check
Technology73%Check
Show more keywords and terms

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