Generated on April 02 2026 18:53 PM
Old data? UPDATE !
The score is 55/100
Title
Steel Door Institute | Steel Door & Frame Resources
Length : 51
Perfect, your title contains between 10 and 70 characters.
Description
The Steel Door Institute produces quality and performance standards for steel doors and frames used by SDI Certified manufacturers.
Length : 131
Great, your meta description contains between 70 and 160 characters.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| locale | en_US |
| type | website |
| title | Steel Door Institute | Steel Door & Frame Resources |
| description | The Steel Door Institute produces quality and performance standards for steel doors and frames used by SDI Certified manufacturers. |
| url | https://steeldoor.org/ |
| site_name | Steel Door Institute |
| image | https://steeldoor.org/wp-content/uploads/2025/04/SDI-Certified-Logo.png |
| image:width | 720 |
| image:height | 720 |
| image:type | image/png |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 2 | 4 | 13 | 3 | 0 | 0 |
Images
We found 17 images on this web page.
3 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 : 3%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
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
We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links
We found a total of 45 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Standards | Internal | Passing Juice |
| Technical Data Series | Internal | Passing Juice |
| ANSI/SDI Documents | Internal | Passing Juice |
| Fact File | Internal | Passing Juice |
| Codes & Standards | Internal | Passing Juice |
| Door Selector | Internal | Passing Juice |
| Specialty Products | Internal | Passing Juice |
| Drawings | Internal | Passing Juice |
| Installation | Internal | Passing Juice |
| SDI Members | Internal | Passing Juice |
| SDI Certified | Internal | Passing Juice |
| Product Gallery | Internal | Passing Juice |
| Project Gallery | Internal | Passing Juice |
| FAQ | Internal | Passing Juice |
| Steel Door Specification Resources | Internal | Passing Juice |
| Videos | Internal | Passing Juice |
| SDI Articles | Internal | Passing Juice |
| AIA / GBCI Education | Internal | Passing Juice |
| Distributor Resources | Internal | Passing Juice |
| Hollow Metal Door Nomenclature | Internal | Passing Juice |
| Sustainability | Internal | Passing Juice |
| Why Steel? | Internal | Passing Juice |
| Labeling & More | Internal | Passing Juice |
| Newsletters | Internal | Passing Juice |
| Educational Webinars | Internal | Passing Juice |
| Knowledge Center | Internal | Passing Juice |
| Technical Assistance | Internal | Passing Juice |
| About SDI | Internal | Passing Juice |
| Contact Us | Internal | Passing Juice |
| View SDI Certified Manufacturers | Internal | Passing Juice |
| View All Specialty Doors | Internal | Passing Juice |
| Learn More | Internal | Passing Juice |
| Learn More | Internal | Passing Juice |
| Learn More | Internal | Passing Juice |
| De La Fontaine | External | Passing Juice |
| Steelcraft | External | Passing Juice |
| Stiles | External | Passing Juice |
| Standards | Internal | Passing Juice |
| Drawings | Internal | Passing Juice |
| Door Selector | Internal | Passing Juice |
| Product Gallery | Internal | Passing Juice |
| AIA/GBCI Education | Internal | Passing Juice |
| Technical Assistance | Internal | Passing Juice |
| Site Credit | External | Passing Juice |
| Accessibility | Internal | Passing Juice |
Keywords Cloud
standards installation sdi frames frame steel resources more door doors
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| door | 21 | ![]() |
![]() |
![]() |
![]() |
| steel | 17 | ![]() |
![]() |
![]() |
![]() |
| doors | 11 | ![]() |
![]() |
![]() |
![]() |
| sdi | 9 | ![]() |
![]() |
![]() |
![]() |
| standards | 8 | ![]() |
![]() |
![]() |
![]() |
Url
Domain : steeldoor.org
Length : 13
Favicon
Great, your website has a favicon.
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). |
![]() |
Perfect, your website takes advantage of gzip. |
Mobile Optimization
![]() |
Apple Icon |
![]() |
Meta Viewport Tag |
![]() |
Flash content |
XML Sitemap
Great, your website has an XML sitemap.
| https://steeldoor.org/sitemap_index.xml |
Robots.txt
https://steeldoor.org/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.
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.