Generated on December 27 2025 07:35 AM
Old data? UPDATE !
The score is 54/100
Title
Home
Length : 4
Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description
Welcome to explore our fields of activity, services, and measurement systems for air pollution and industrial gas analysis!
Length : 123
Great, your meta description contains between 70 and 160 characters.
Keywords
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Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| type | website |
| title | Home |
| url | https://www.opsis.se/en/ |
| description | Welcome to explore our fields of activity, services, and measurement systems for air pollution and industrial gas analysis! |
| site_name | Home |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 2 | 6 | 43 | 1 | 0 | 0 |
Images
We found 12 images on this web page.
7 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 38%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 152 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Benzene Monitoring | Internal | Passing Juice |
| Fence-line Monitoring | Internal | Passing Juice |
| Monitoring at Airports | Internal | Passing Juice |
| Monitoring Background Levels | Internal | Passing Juice |
| Monitoring in Traffic Tunnels | Internal | Passing Juice |
| Particulates Monitoring | Internal | Passing Juice |
| Surveillance at Ports | Internal | Passing Juice |
| Urban Air Quality Monitoring | Internal | Passing Juice |
| Urban Air Quality at Street Level | Internal | Passing Juice |
| Aluminium Smelters | Internal | Passing Juice |
| Cement Industry | Internal | Passing Juice |
| Fertilizer Production | Internal | Passing Juice |
| Flue Gas Treatment | Internal | Passing Juice |
| Glass Manufacturing Industries | Internal | Passing Juice |
| Mercury Monitoring | Internal | Passing Juice |
| Power Plants | Internal | Passing Juice |
| Sulfuric Acid Production | Internal | Passing Juice |
| Waste to Energy Plants | Internal | Passing Juice |
| Brick Plants | Internal | Passing Juice |
| Chemical Industry | Internal | Passing Juice |
| CO2 Capture | Internal | Passing Juice |
| Mineral Wool Production | Internal | Passing Juice |
| Ore Refining and Smelting | Internal | Passing Juice |
| Palm Oil Industries | Internal | Passing Juice |
| Pulp Mills - TRS and H2S Monitoring | Internal | Passing Juice |
| Real Driving Emissions | Internal | Passing Juice |
| Steel Industry | Internal | Passing Juice |
| Sulfur Capture at Refineries | Internal | Passing Juice |
| Additional Applications | Internal | Passing Juice |
| Inert Gas Generator Surveillance | Internal | Passing Juice |
| Monitoring of Ship Emissions | Internal | Passing Juice |
| Monitoring of SO2 Scrubbers | Internal | Passing Juice |
| System Installation and Integration | Internal | Passing Juice |
| Service Agreements | Internal | Passing Juice |
| Calibration | Internal | Passing Juice |
| Technical Support | Internal | Passing Juice |
| Data Validation and Reporting | Internal | Passing Juice |
| Training | Internal | Passing Juice |
| Consultancy Services | Internal | Passing Juice |
| DOAS Products for Gas Analysis | Internal | Passing Juice |
| Turnkey Solutions | Internal | Passing Juice |
| Laser Diode Systems for Gas Analysis | Internal | Passing Juice |
| Particulate Monitors | Internal | Passing Juice |
| Data Loggers | Internal | Passing Juice |
| Supplementary Products | Internal | Passing Juice |
| DOAS Products for Gas Analysis | Internal | Passing Juice |
| Turnkey Solutions | Internal | Passing Juice |
| Laser Diode Systems for Gas Analysis | Internal | Passing Juice |
| Monitoring Systems for Marine Applications | Internal | Passing Juice |
| Dioxins and Carbon Dioxide samplers | Internal | Passing Juice |
| Real Driving Emissions Monitors | Internal | Passing Juice |
| Oxygen Monitors | Internal | Passing Juice |
| Data Loggers | Internal | Passing Juice |
| Supplementary Products | Internal | Passing Juice |
| Bureau Veritas | Internal | Passing Juice |
| CCAEPI, China (CCEP) | Internal | Passing Juice |
| CCS, China | Internal | Passing Juice |
| CSA Group, UK (MCERTS) | Internal | Passing Juice |
| DNV | Internal | Passing Juice |
| Lloyd's Register | Internal | Passing Juice |
| NPL, India (NPLI CS) | Internal | Passing Juice |
| RINA | Internal | Passing Juice |
| Swedish EPA | Internal | Passing Juice |
| TÜV, Germany | Internal | Passing Juice |
| U.S. EPA | Internal | Passing Juice |
| OPSIS Podcasts on Air Quality | Internal | Passing Juice |
| OPSIS Podcasts on Industrial Gas Monitoring | Internal | Passing Juice |
| The DOAS Principle | Internal | Passing Juice |
| UV-DOAS Technology | Internal | Passing Juice |
| FTIR-DOAS Technology | Internal | Passing Juice |
| TDL Technology | Internal | Passing Juice |
| Zirconium Dioxide Technology | Internal | Passing Juice |
| Beta Absorption Technology | Internal | Passing Juice |
| Long-term Sampling | Internal | Passing Juice |
| 1,3-Butadiene | Internal | Passing Juice |
| Acetaldehyde | Internal | Passing Juice |
| Acetone | Internal | Passing Juice |
| Acetylene | Internal | Passing Juice |
| Ammonia | Internal | Passing Juice |
| Benzaldehyde | Internal | Passing Juice |
| Benzene | Internal | Passing Juice |
| Bromine | Internal | Passing Juice |
| BTX | Internal | Passing Juice |
| Butane | Internal | Passing Juice |
| Carbon dioxide | Internal | Passing Juice |
| Carbon disulfide | Internal | Passing Juice |
| Carbon monoxide | Internal | Passing Juice |
| Chlorine | Internal | Passing Juice |
| Chlorine dioxide | Internal | Passing Juice |
| Chlorobenzene | Internal | Passing Juice |
| Cresol | Internal | Passing Juice |
| Cyanogen | Internal | Passing Juice |
| Dichlorobenzene | Internal | Passing Juice |
| Dimethylamine | Internal | Passing Juice |
| Dioxins | Internal | Passing Juice |
| Ethane | Internal | Passing Juice |
| Ethanol | Internal | Passing Juice |
| Ethylbenzene | Internal | Passing Juice |
| Ethylene | Internal | Passing Juice |
| Formaldehyde | Internal | Passing Juice |
| Heptane | Internal | Passing Juice |
| Hexane | Internal | Passing Juice |
| Hydrocarbons | Internal | Passing Juice |
| Hydrogen bromide | Internal | Passing Juice |
| Hydrogen chloride | Internal | Passing Juice |
| Hydrogen cyanide | Internal | Passing Juice |
| Hydrogen fluoride | Internal | Passing Juice |
| Hydrogen sulfide | Internal | Passing Juice |
| Iodine | Internal | Passing Juice |
| Mercury | Internal | Passing Juice |
| Nitric oxide | Internal | Passing Juice |
| Nitrogen dioxide | Internal | Passing Juice |
| Nitrogen oxides | Internal | Passing Juice |
| Nitrogen trioxide | Internal | Passing Juice |
| Nitrous oxide | Internal | Passing Juice |
| Methane | Internal | Passing Juice |
| Methanol | Internal | Passing Juice |
| Nitric acid | Internal | Passing Juice |
| Oxygen | Internal | Passing Juice |
| Ozone | Internal | Passing Juice |
| Particulate matter | Internal | Passing Juice |
| Phenol | Internal | Passing Juice |
| Phosgene | Internal | Passing Juice |
| Propane | Internal | Passing Juice |
| Silane | Internal | Passing Juice |
| Styrene | Internal | Passing Juice |
| Sulfur dioxide | Internal | Passing Juice |
| Sulfur trioxide | Internal | Passing Juice |
| Tetrafluoromethane | Internal | Passing Juice |
| Toluene | Internal | Passing Juice |
| Total Reduced Sulfur | Internal | Passing Juice |
| Trimethylbenzene | Internal | Passing Juice |
| Water vapour | Internal | Passing Juice |
| Xylene | Internal | Passing Juice |
| News | Internal | Passing Juice |
| OPSIS Play | Internal | Passing Juice |
| Contact | Internal | Passing Juice |
| Applications | Internal | Passing Juice |
| Services | Internal | Passing Juice |
| Products | Internal | Passing Juice |
| Knowledge Base | Internal | Passing Juice |
| Read more | Internal | Passing Juice |
| Read more | Internal | Passing Juice |
| Read more | Internal | Passing Juice |
| Read more | Internal | Passing Juice |
| Read more | Internal | Passing Juice |
| privacy policy | Internal | Passing Juice |
| OPSIS LiquidLINE | External | Passing Juice |
| OPSIS Liquid Monitoring | External | Passing Juice |
| Terms | Internal | Passing Juice |
| Cookies | Internal | Passing Juice |
| Privacy | Internal | Passing Juice |
Keywords Cloud
opsis services products emissions monitoring gas technology applications quality air
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| monitoring | 42 | ![]() |
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| products | 16 | ![]() |
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| gas | 16 | ![]() |
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| opsis | 15 | ![]() |
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| quality | 13 | ![]() |
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Url
Domain : opsis.ch
Length : 8
Favicon
Very bad. We have not found shortcut icon. Icons are one of easy ways to attract regular visitors to your website more often.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
![]() |
Excellent, your website doesn't use nested tables. |
![]() |
Too bad, your website is using inline styles. |
![]() |
Too bad, your website has too many CSS files (more than 4). |
![]() |
Too bad, your website has too many JS files (more than 6). |
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Perfect, your website takes advantage of gzip. |
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
XML Sitemap
Great, your website has an XML sitemap.
| https://www.opsis.se/ |
Robots.txt
http://opsis.ch/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
Website-SEO-Überprüfung is a free SEO tool which provides you content analysis of the website.