Blackstone-labs.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
89% 
Page structure
27% 
Link structure
83% 
Server
72% 
External factors
100% 
SEO Score
Response time
0.99 s
File size
78.20 kB
Words
687
Media files
26
Number of links
69 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Blackstone Laboratories Blackstone Laboratories
There are word repetitions in the page title.
The length of the page title is perfect. (439 pixels out of 580 max pixel length)
Meta description
(Critically important)
Learn what's going on in your engine with oil analysis. Our free kits are easy to use and we explain the results in plain English!
The length of the meta description is perfect. (776 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.blackstone-labs.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
descriptionLearn what's going on in your engine with oil analysis. Our free kits are easy to use and we explain the results in plain English!
robotsmax-image-preview:large
generatorPowered by WPBakery Page Builder - drag and drop page builder for WordPress.
googlenositelinkssearchbox
article:published_time2018-04-02T19:13:23+00:00
article:modified_time2022-02-23T16:26:48+00:00
article:publisherhttps://www.facebook.com/BlackstoneLaboratories/
langen-us
twitter:cardsummary
twitter:site@Blackstone_Labs
twitter:titleBlackstone Laboratories Blackstone Laboratories
twitter:descriptionLearn what's going on in your engine with oil analysis. Our free kits are easy to use and we explain the results in plain English!
twitter:creator@Blackstone_Labs
twitter:imagehttps://www.blackstone-labs.com/wp-content/uploads/2020/07/BlackLogo2-e1594303118670.jpg
og:localeen_US
og:site_nameBlackstone Laboratories | Oil Analysis - Learn What's Going On In Your Engine
og:typearticle
og:titleBlackstone Laboratories Blackstone Laboratories
og:descriptionLearn what's going on in your engine with oil analysis. Our free kits are easy to use and we explain the results in plain English!
og:urlhttps://www.blackstone-labs.com/
og:imagehttps://www.blackstone-labs.com/wp-content/uploads/2020/07/BlackLogo2-e1594303118670.jpg
og:image:secure_urlhttps://www.blackstone-labs.com/wp-content/uploads/2020/07/BlackLogo2-e1594303118670.jpg
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 687 words. That's ok.
34.9% 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.
10 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.62 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" 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 14 tags for this page.
Image SEO
(Somewhat important)
9 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
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64Gas Engine
data:[...] Base64Diesel Engine
data:[...] Base64Motorcycle Engine
data:[...] Base64Industrial
data:[...] Base64Aviation
data:[...] Base64Marine
data:[...] Base64Transmission
data:[...] Base64Gas Engine
data:[...] Base64Diesel Engine
data:[...] Base64Motorcycle
data:[...] Base64Industrial
data:[...] Base64Aviation
data:[...] Base64Marine
data:[...] Base64Transmission
data:[...] Base64cluster of glassware holding liquids; a small beaker with red liquid, a larger beaker with yellow liquid, and a 200 ml cup with black liquidoil_samples
data:[...] Base64colored circles spelling out spectral exam, insolubles test, viscosity test, and flashpoint testtest_circles
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:[...] Base64Blackstone Labs

Page structure

H1 heading
(Critically important)
WHY OIL ANALYSIS?
Too many H1 headings
The H1 heading is too short (17 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 WHY OIL ANALYSIS?
H1 Home Page
H2 Gas Engine
H2 Diesel Engine
H2 Motorcycle
H2 Industrial
H2 Aviation
H2 Marine
H2 Transmission
H2 WHAT DOES OUR OIL ANALYSIS INCLUDE?
H4 Gasoline
H4 Diesel
H4 Motorcycle Duplicate text
H4 Industrial Duplicate text
H4 Aviation Duplicate text
H4 Marine Duplicate text
H4 Transmission Duplicate text
Some anchor texts are used more than once.
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 3 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.blackstone-labs.com/Subdomain No Text
/about-us/Subdomain About
/about-us/people-of-blackstone...Subdomain People of Blackstone
/about-us/astm-methods/Subdomain ASTM Standards
/about-us/employment/Subdomain Employment
/press-mentions/Subdomain Press Mentions
/contact/Subdomain Contact Us
/services/pay/Subdomain Pay
https://returns.usps.com/Label...External Subdomain Print a Label
https://online.blackstone-labs...External Subdomain My Reports
/services/report-explanation/Subdomain Report Explanation
/services/oil-slips/Subdomain Oil Slips
/tests/standard-analysis/Subdomain Oil Testing
/fuel-testing/Subdomain Fuel Testing
/oil-filter-testing/Subdomain Filter Testing
/tests/tests-price-list/Subdomain Tests & Price List
/about-us/how-to-get-started/Subdomain How to Get Started
/information/sampling-procedures/Subdomain Oil Sampling Procedures
/information/postal-requirements/Subdomain Postal Requirements
/engine-types/gasoline/Subdomain Gas Engines
/engine-types/diesel/Subdomain Diesel Engine
/engine-types/motorcycle/Subdomain Motorcycle
/engine-types/industrial/Subdomain Industrial
/engine-types/marine/Subdomain Marine
/engine-types/aircraft/Subdomain Aircraft
/engine-types/transmission/Subdomain Transmission
/information/faqs/gas-diesel-q...Subdomain Gas & Diesel
/information/faqs/aircraft-que...Subdomain Text duplicate Aircraft
/information/faqs/marine-quest...Subdomain Text duplicate Marine
/information/faqs/industrial-q...Subdomain Text duplicate Industrial
/podcasts/Subdomain Slick Talk Podcast
/information/videos/Subdomain Videos
/information/newsletters/Subdomain Newsletters
/information/articles/Subdomain Articles
/information/links-resources/Subdomain Links & Resources
/products/free-test-kits/Subdomain Free Test Kits
/services/pay/Subdomain Text duplicate Oil Testing
/fuel-testing/Subdomain Text duplicate Fuel Testing
/products/vacuum-pump/Subdomain Vacuum Pump
/blackstone-gear/Subdomain Blackstone Gear
/products/slick-talk-swag/Subdomain Slick Talk Swag
/products/gift-certificates/Subdomain Gift Certificates
/cart/Cart
https://online.blackstone-labs...External Subdomain Account
/products/free-test-kits/GET A FREE TEST KIT
/engine-types/gasoline/LEARN MORE
/engine-types/diesel/Text duplicate LEARN MORE
/engine-types/motorcycle/Text duplicate LEARN MORE
/engine-types/industrial/Text duplicate LEARN MORE
/engine-types/aircraft/Text duplicate LEARN MORE
/engine-types/marine/Text duplicate LEARN MORE
/engine-types/transmission/Text duplicate LEARN MORE
/tests/standard-analysis/Subdomain Text duplicate LEARN MORE
/about-us/Subdomain About Blackstone
/about-us/Subdomain About Us
/tests/standard-analysis/Subdomain Standard Oil Analysis
/about-us/astm-methods/Subdomain Text duplicate ASTM Standards
/information/testimonials/Subdomain Testimonials
/information/links-resources/Subdomain Quick Links
/services/pay/Subdomain Text duplicate Pay
/services/oil-slips/Subdomain Text duplicate Oil Slips
/services/report-explanation/Subdomain Text duplicate Report Explanation
/information/sampling-procedures/Subdomain Text duplicate Oil Sampling Procedures
/products/Subdomain Products
/products/free-test-kits/Subdomain Text duplicate Free Test Kits
/products/discounts-bulk-orders/Subdomain Discounts / Bulk Orders
/products/vacuum-pump/Subdomain Text duplicate Vacuum Pump
/contact/Subdomain Customer Service
/contact/Subdomain Text duplicate Contact Us
/about-us/privacy-policy-terms...Subdomain Privacy Policy / Terms of Use
https://www.blackstone-labs.com/IMG-ALT Blackstone Labs
/about-us/privacy-policy-terms...Text duplicate Privacy Policy / Terms of Use

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.blackstone-labs.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.99 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.
The file size of the HTML document is fine (78 kB).

HTTP Response Header

NameValue
link<https://www.blackstone-labs.com/wp-json/>; rel="https://api.w.org/", <https://www.blackstone-labs.com/wp-json/wp/v2/pages/22>; rel="alternate"; type="application/json", <https://www.blackstone-labs.com/>; rel=shortlink
content-encodinggzip
varyAccept-Encoding
strict-transport-securitymax-age=15768000
last-modifiedWed, 24 Apr 2024 14:30:14 GMT
etag"822730ce8cc0208319b1fc8da87766ae"
cache-controlmax-age=900
expiresWed, 24 Apr 2024 14:52:49 GMT
referrer-policy
content-typetext/html; charset=UTF-8
dateWed, 24 Apr 2024 14:37:49 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 1,091 referring domains.
This page has 29,725 backlinks.
This page has backlinks from 738 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

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

Sitemap: https://www.blackstone-labs.com/sitemap.xml
Sitemap: https://www.blackstone-labs.com/sitemap.rss

Similar sites

Search preview

www.blackstone-labs.com
Blackstone Laboratories Blackstone Laboratories
Learn what's going on in your engine with oil analysis. Our free kits are easy to use and we explain the results in plain English!

Most important keywords

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

KeywordResultRecheck
Oil70%Check
ANALYSIS70%Check
OIL ANALYSIS70%Check
Blackstone66%Check
standard oil analysis60%Check
Blackstone Laboratories59%Check
Engine58%Check
Hydraulic Oil53%Check
Synthetic Oil53%Check
Going Engine53%Check
Show more keywords and terms

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