Masterlock.com - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
77% 
Page structure
89% 
Link structure
25% 
Server
70% 
External factors
100% 
SEO Score
Response time
0.86 s
File size
116.70 kB
Words
735
Media files
33
Number of links
126 internal / 21 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Master Lock?? Official Site | Padlocks & Security Products
The length of the page title is perfect. (520 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Master Lock is recognized around the world as the authentic, enduring name in locks, combination padlocks and security products. Learn more about our extensive assortment of security solutions.
The meta description is too long: 1206 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.masterlock.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Server location: United States of America
The language is not specified in the HTML markup.
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
descriptionMaster Lock is recognized around the world as the authentic, enduring name in locks, combination padlocks and security products. Learn more about our extensive assortment of security solutions.
titleMaster Lock® Official Site | Padlocks & Security Products
viewportwidth=device-width, initial-scale=1
cache-controlno-cache
expiresEmpty
pragmano-cache

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
This page contains 735 words. That's ok.
25.9% of the text are stop words.
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
5 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 16.36 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 15 tags for this page.
Image SEO
(Somewhat important)
17 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
...rtnybdgtvv/jpeg/ml-large-hero-cloto.jpegcLOTO safety inspector checking logs on laptop
...rlock/ml-tile-430x246-0524-bike-lock.jpgMaster Lock U-Lock locking a bike to stands
...10jxdyiy/jpeg/ml-tile-430x246-safes.jpegPremium 2-hour Fire and Water Safe
...l-tile-430x246-brand-campaign-video.jpegA black family in a daughter s bed, reading a book together
...com/masterlock/static/img/side-arrow.svgPrevious Category
...com/masterlock/static/img/side-arrow.svgNext Category
...product/285/MLCOM_PROD_1500D_01_Hero.jpgNo alt attribute providedCombination Lock
...om/product/285/MLCOM_PROD_3D_01_Hero.jpgNo alt attribute providedLaminated Padlock
.../product/285/MLCOM_PROD_875D_01_Hero.jpgNo alt attribute providedCombination Lock
...lock.com/product/285/5480_ml_hero_01.pngNo alt attribute providedPortable Lock Boxes
...k.com/product/285/MLCOM_PRODUCT_6121.jpgNo alt attribute providedLaminated Padlock
...k.com/product/285/MLCOM_PRODUCT_1525.jpgNo alt attribute providedCombination Lock
...lock.com/product/285/MLCOM_PRODUCT_5.jpgNo alt attribute providedLaminated Padlock
...duct/285/MLCOM_PROD_175D-175_01_Hero.jpgNo alt attribute providedCombination Lock
...roduct/285/MLCOM_PROD_410RED_01_Hero.jpgNo alt attribute providedLockout Padlocks & Accessories
.../285/MLCOM_PRODUCT_S1106BLU-A1106BLU.jpgNo alt attribute providedLockout Padlocks & Accessories
...k.com/product/285/MLCOM_PRODUCT_S856.jpgNo alt attribute providedCable Lockout
...terlock.com/product/285/S3650_1_hero.pngNo alt attribute providedGroup Lock Boxes & Permit Stations
...roduct/285/MLCOM_PROD_4400EC_01_Hero.jpgNo alt attribute providedBluetooth & Electronic Locks
...roduct/285/MLCOM_PROD_5441EC_01_Hero.jpgNo alt attribute providedBluetooth & Electronic Locks
...duct/285/MLCOM_PROD_4401LHEC_01_Hero.jpgNo alt attribute providedBluetooth & Electronic Locks
...roduct/285/MLCOM_PROD_5440EC_01_Hero.jpgNo alt attribute providedBluetooth & Electronic Locks
...rlock/static/img/testimonials/parker.jpgNo alt attribute provided
...4376d9448065f/718x245-spring-camping.jpgTruck in the outdoors on a dirt road with a canoe strapped to the top of the truck using master lock straps
...an-save-you-in-a-flood-header-313235.jpgHow a Simple Shift in Mindset Can Save You in a Flood Header Landing Page
...1436fc582b0069/346x228-spring-travel.jpgA couple leaves their home for a trip and makes sure their house is locked up appropriately
/img/logo-white.pngMaster Lock
.../masterlock/static/img/icon-facebook.svgFacebookFacebook
.../masterlock/static/img/icon-linkedin.svgLinkedInLinkedIn
...masterlock/static/img/icon-instagram.svgInstagramInstagram
...m/masterlock/static/img/icon-twitter.svgTwitterTwitter
...m/masterlock/static/img/icon-youtube.svgYouTubeYouTube

Page structure

H1 heading
(Critically important)
Master Lock Connected Lockout Tagout
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
There are 26 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 Master Lock Connected Lockout Tagout
H2 Locks By Use
H2 Locks By Type
H2 Locks By Use Duplicate text
H2 Locks By Type Duplicate text
H2 Hardware
H2 Software
H2 Product Support
H2 Business Support
H2 Locks for Every Need
H2 New Premium 2-Hour Fire and Water Safes
H2 HELPING YOU MASTER IT FOR OVER 100 YEARS
H2 If it Means Something, Master It.
H2 Top Product Categories
H2 TESTIMONIAL
H2 Uncover Insights
H2 List of Camping Supplies to Secure Your Camp: Essential Anti-Theft Tips
H2 How a Simple Shift in Mindset Can Save You in a Flood
H2 Spring Travel Safety Tips
H2 Personal
H2 Business
H2 Smart
H2 Support
H2 About Us
H2 Our Brands
H3 I wish all my purchases were of this quality.
Some internal link anchor texts are too long.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
There are 21 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.masterlock.com/Anchor Skip Navigation
/where-to-buyWhere to Buy
/insightsSubdomain Insights
https://register.masterlock.com/New window External Subdomain Store Your Combo
https://masterlock.custhelp.co...External Subdomain Contact Us
https://fr.masterlock.com/External Subdomain French
https://www.masterlock.com/Master Lock
/products?personalPersonal
/products/locker-locks?personalLocker Locks
/products/home-personal-proper...Home & Personal Property
/products/bike?personalBike
/products/luggage-travel?personalLuggage & Travel
/products/automotive-towing?pe...Automotive & Towing
/products/boats-marine-environ...Boats & Marine Environments
/business?businessBusiness Solutions
/products/padlocks?personalPadlocks
/products/combination-locks?pe...Combination Locks
/products/bluetooth-electronic...Bluetooth & Electronic Locks
/products/lock-boxes?personalLock Boxes
/products/safes?personalSafes
/products/door-hardware?personalDoor Hardware
/products/chain-cable-locks?pe...Chain & Cable Locks
/products/u-locks?personalU-locks
/products/accessories-for-lock...Accessories for Locks & Keys
/product/selectorProduct Selector
/support/videosProduct Videos
/support/category/lost-combina...Lost Combinations
/insightsSubdomain Text duplicate Insights
/business?businessBusiness
/products/school-employee-heal...School, Employee, & Health Club
/products/commercial-business-...Commercial & Business Security
/products/transportation-secur...Transportation Security
/products/commercial-marine-en...Commercial Marine Environments
/products/lockout-tagout-solut...Lockout Tagout
/products?personalPersonal Products
/products/padlocks?businessText duplicate Padlocks
/products/combination-locks?bu...Text duplicate Combination Locks
/products/bluetooth-electronic...Text duplicate Bluetooth & Electronic Locks
/products/lock-boxes?businessText duplicate Lock Boxes
/products/door-hardware?businessText duplicate Door Hardware
/products/accessories-for-lock...Text duplicate Accessories for Locks & Keys
/product/selectorText duplicate Product Selector
/support/category/vault-supportVault Support
/support-linksSupport For Business
/insightsSubdomain Text duplicate Insights
/smart-solutions?smart-solutionsSmart
/products/bluetooth-electronic...Bluetooth Padlocks
/products/bluetooth-electronic...Bluetooth Lock Boxes
/products/bluetooth-electronic...Bluetooth Door Hardware
/smart-solutions/vaultMaster Lock Vault
/smart-solutions/clotocLOTO
/support/category/bluetooth-el...Bluetooth Lock Support
/support/category/vault-supportText duplicate Vault Support
/insights?filter=2mWCahc9WlFWe...Smart Solutions Insights
/support?supportSupport
/support/category/lost-combina...Reset & Retrieve Lost Combinations
/support/category/lost-keys-re...Lost Keys & Key Replacements
/support/category/product-main...Product Maintenance & Replacements
/support/category/school-locke...School Locker Locks
/support/category/bluetooth-el...Bluetooth & Electronic Lock Support
/support/category/door-locks-h...Door Locks & Hardware
/support/category/clotocLOTO Support
/support/category/safe-supportSafes Support
/cms/customersupport/current-p...Pricing & UPC
/business-use/custom-locksCustom Locks
https://www.masterlockshop.com...New window External Subdomain Distributor Online Ordering
/business-use/laser-engraving-...Laser Engraving
/support/category/vault-supportText duplicate Vault Support
https://www.masterlock.net/Mas...New window External Subdomain Order Tracking
/support/videosText duplicate Product Videos
/insightsSubdomain Text duplicate Insights
https://register.masterlock.com/New window External Subdomain Text duplicate Store Your Combo
/product/selectorText duplicate Product Selector
https://www.masterlockvault.com/External Subdomain Master lock Vault
/support-linksSupport for Business
/smart-solutions/clotoSubdomain Learn More
https://store.masterlock.com/New window External Subdomain Locks for Every Need No matter what's important to you, you can count on us to protect it. External Link Shop Now
IMG-ALT Master Lock U-Lock locking a bike to stands
/master-lock-safesSubdomain New Premium 2-Hour Fire and Water Safes Explore new premium safes that safeguard your most important belongings with unmatched water protection and up to 2 h...
IMG-ALT Premium 2-hour Fire and Water Safe
/about-usSubdomain HELPING YOU MASTER IT FOR OVER 100 YEARS When you're looking to protect what matters most in life, Master it. Explore our legacy of uncompromising protection...
IMG-ALT A black family in a daughter s bed, reading a book together
/products/product/1500D1500D - Combination Lock Learn More
/products/product/3D3D - Laminated Padlock Learn More
/products/product/875D875D - Combination Lock Learn More
/products/product/5480D5480D - Portable Lock Boxes Learn More
/products/home-personal-proper...View All ProductsHome & Personal
/products/product/61216121 - Laminated Padlock Learn More
/products/product/15251525 - Combination Lock Learn More
/products/product/55 - Laminated Padlock Learn More
/products/product/175175 - Combination Lock Learn More
/products/commercial-business-...View All ProductsCommercial & Business
/products/product/410RED410RED - Lockout Padlocks & Accessories Learn More
/products/product/A1106BLUA1106BLU - Lockout Padlocks & Accessories Learn More
/products/product/S856S856 - Cable Lockout Learn More
/products/product/S3650S3650 - Group Lock Boxes & Permit Stations Learn More
/products/lockout-tagout?businessView All ProductsLockout Tagout
/products/product/4400EC4400EC - Bluetooth & Electronic Locks Learn More
/products/product/5441EC5441EC - Bluetooth & Electronic Locks Learn More
/products/product/4401LHEC4401LHEC - Bluetooth & Electronic Locks Learn More
/products/product/5440EC5440EC - Bluetooth & Electronic Locks Learn More
/products/bluetooth-electronic...View All ProductsBluetooth & Electronic
/testimonialMore Testimonials
/testimonialShare Your Story
/insights/list-of-camping-supp...Subdomain List of Camping Supplies to Secure Your Camp: Essential Anti-Theft Tips Read More
IMG-ALT Truck in the outdoors on a dirt road with a canoe strapped to the top of the truck using master lock straps
/insights/how-a-simple-shift-i...Subdomain How a Simple Shift in Mindset Can Save You in a Flood Read More
IMG-ALT How a Simple Shift in Mindset Can Save You in a Flood Header Landing Page
/insights/spring-travel-safety...Subdomain Spring Travel Safety Tips Read More
IMG-ALT A couple leaves their home for a trip and makes sure their house is locked up appropriately
/insightsSubdomain Read All Articles
/product/selectorText duplicate Product Selector
/supportProduct Support
/support/videosText duplicate Product Videos
/support/category/vault-supportText duplicate Vault Support
https://www.masterlock.com/Text duplicate IMG-ALT Master Lock
/products?personalText duplicate Personal
/product/selectorText duplicate Product Selector
/where-to-buyText duplicate Where to Buy
https://store.masterlock.com/New window External Subdomain Master Lock Store
/business?businessText duplicate Business
/product/selectorText duplicate Product Selector
/where-to-buy/distributorsText duplicate Where to Buy
https://www.masterlockshop.com...New window External Subdomain Distributor Ordering
/smart-solutionsText duplicate Smart
/support?supportText duplicate Support
/supportText duplicate Product Support
/support/category/lost-keys-re...Lost Keys
/support/category/lost-combina...Text duplicate Lost Combinations
/support/category/product-main...Warranty Information
https://register.masterlock.com/New window External Subdomain Text duplicate Store Your Combo
https://masterlock.custhelp.co...External Subdomain Text duplicate Contact Us
/office-locationsOffice Locations
https://eloquamarketing.master...New window External Subdomain Update Your Email Preferences
/about-usAbout Us
/insightsSubdomain Security and Safety Insights
https://www.fbin.com/careers/s...New window External Subdomain Careers
/testimonialCustomer Stories
http://www.facebook.com/master...New window External Subdomain IMG-ALT Facebook
http://www.linkedin.com/compan...New window External Subdomain IMG-ALT LinkedIn
https://www.instagram.com/mast...New window External Subdomain IMG-ALT Instagram
https://www.twitter.com/Master...New window External Subdomain IMG-ALT Twitter
https://www.youtube.com/user/M...New window External Subdomain IMG-ALT YouTube
https://www.masterlock.com/Text duplicate Master Lock
/americanlockAmerican Lock
https://www.sentrysafe.com/New window External Subdomain SentrySafe
/more-from-master-lockView All Websites
/privacy-policyPrivacy Policy
/legal-statementLegal Statement
/vulnerability-disclosureVulnerability Disclosure Policy
/about-our-adsAbout Our Ads
https://www.fbin.com/app/uploa...New window External Subdomain Supplier Code of Conduct
/site-mapSite Map

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.masterlock.com/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 of 0.86 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 (117 kB).

HTTP Response Header

NameValue
dateTue, 01 Jul 2025 09:51:31 GMT
content-typetext/html;charset=UTF-8
set-cookie236 Characters
servernginx/1.28.0
varyAccept-Encoding
content-languageen
x-frame-optionsSAMEORIGIN
strict-transport-securitymax-age=31536000 ; includeSubDomains
x-content-type-optionsnosniff
content-security-policyobject-src 'none'; frame-ancestors 'none'; upgrade-insecure-requests; block-all-mixed-content
cache-controlno-store, max-age=0
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 552 referring domains.
This page has 49,321 backlinks.
This page has backlinks from 440 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /search?*
Disallow: /errors/
Disallow: /facebook/
Disallow: /utility/
Disallow: /masterlock/resources/scripts/shared/csi*
Disallow: /common/templates*
Disallow: /status*
Disallow: /server-check.html
Disallow: /twilio*
Disallow: /about-us/history/*
Disallow: /lockout-tagout-solutions/article/managing-lockout-and-electrical-safety

Sitemap: https://www.masterlock.com/sitemap.xml

Similar sites

Search preview

www.masterlock.com
Master Lock?? Official Site | Padlocks & Security Products
Master Lock is recognized around the world as the authentic, enduring name in locks, combination padlocks and security products. Learn more about our extensive assortment of security solutions.

Most important keywords

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

KeywordResultRecheck
Lock95%Check
Master Lock94%Check
Master93%Check
Master Lock Vault76%Check
Locks68%Check
Lock Support68%Check
Lock Boxes67%Check
Electronic Lock67%Check
Bluetooth Lock67%Check
Product66%Check
Show more keywords and terms

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Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions