Fix Grammatical and Typographical errors

CONTRIBUTING.md

@@ -2,9 +2,9 @@
 
 The [README](README.md) contains the full list of all checkers.
 
-Please ensure any new sections are added alphabetically in the list.
+Please ensure any new sections are added alphabetically to the list.
 
-Within a section, please ensure new services are added alphabetically (by name / domain) in the list.
+Within a section, please ensure new services are added alphabetically (by name/domain) in the list.
 
 Please ensure you list the free / paid status of the service as one of the following:
 
@@ -23,7 +23,7 @@ We are committed to making participation in this project a harassment-free exper
 
 Examples of unacceptable behavior by participants include the use of sexual language or imagery, derogatory comments or personal attacks, trolling, public or private harassment, insults, or other unprofessional conduct.
 
-Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct. Project maintainers who do not follow the Code of Conduct may be removed from the project team.
+Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned with this Code of Conduct. Project maintainers who do not follow the Code of Conduct may be removed from the project team.
 
 This code of conduct applies both within project spaces and in public spaces when an individual is representing the project or its community.
 

README.md

@@ -1,6 +1,6 @@
 # Checker Services ✅
 
-List of links to the various checkers out there on the web for sites, domains, security etc.
+List of links to the various checkers out there on the web for sites, domains, security, etc.
 
 ## Table of Contents 📖
 
@@ -29,18 +29,18 @@ List of links to the various checkers out there on the web for sites, domains, s
 | http://www.dasilva.org.br/ | Test sites for accessibility issues (W3C/WAI  - WCAG1 and WCAG2 - and E-mag). | Free |
 | https://excellentwebcheck.com/website-accessibility-checker | Test entire websites for accessibility issues on mobile, tablet and desktop screen sizes. | Free and paid plans |
 | https://tenon.io/ | Test sites for accessibility issues and offer solutions for problems found. | Free and paid plans |
-| https://www.toptal.com/designers/colorfilter | Checks pages for color accessibility. | Free |
+| https://www.toptal.com/designers/colorfilter | Check pages for color accessibility. | Free |
 | https://wave.webaim.org/ | Gives a detailed report about markup and accessibility concerns including ARIA roles. Provides solutions for problems found. | Free |
 
 ## Browser Testing 🌎
 
 | URL | Description | 💳 |
 | --- | ----------- | -- |
-| http://browsershots.org | Test websites on many browser, platforms and devices. | Free |
-| https://www.browserstack.com/ | Test your website for cross browser compatibility on real browsers. Instant access to multiple desktop and mobile browsers. | Paid |
+| http://browsershots.org | Test websites on many browsers, platforms, and devices. | Free |
+| https://www.browserstack.com/ | Test your website for cross-browser compatibility on real browsers. Instant access to multiple desktop and mobile browsers. | Paid |
 | https://www.lambdatest.com/ | Test your website in real browsers on multiple devices. | Free and paid plans |
-| https://saucelabs.com | Test apps and websites in many browsers. Can be integrated in CI workflows. | Free trial, free for open source projects, paid |
-| https://testingbot.com | Test apps and websites in many browsers. Can be integrated in CI workflows. | Free trial, free for open source projects, paid |
+| https://saucelabs.com | Test apps and websites in many browsers. Can be integrated into CI workflows. | Free trial, free for open source projects, paid |
+| https://testingbot.com | Test apps and websites in many browsers. Can be integrated into CI workflows. | Free trial, free for open source projects, paid |
 
 ## Cron Jobs ⚡
 
@@ -55,14 +55,14 @@ List of links to the various checkers out there on the web for sites, domains, s
 
 | URL | Description | 💳 |
 | --- | ----------- | -- |
-| https://bgp.he.net | Check IPs, networks, whois, ASNs, prefixes and more. | Free |
-| https://www.digwebinterface.com/ | Extensive web interface to dig for doing online DNS / nameserver query. | Free and donations welcome |
+| https://bgp.he.net | Check IPs, networks, whois, ASNs, prefixes, and more. | Free |
+| https://www.digwebinterface.com/ | Extensive web interface to dig for doing online DNS / nameserver queries. | Free and donations welcome |
 | https://dnscheck.pingdom.com/ | Enter a domain name to check if its DNS servers are configured correctly. | Free |
 | https://dnschecker.org | Check the DNS propagation of domains. | Free |
 | https://dnsdumpster.com/ | Domain research tool that can discover hosts related to a domain. | Free |
 | https://dnsspy.io/ | Monitor, validate and verify your DNS configurations. | Free and paid plans |
 | https://www.dnsstuff.com/tools | Multiple DNS tools. | Free |
-| https://dnsviz.net/ | A DNS visualization tool, incuding a visual analysis of the DNSSEC authentication chain. | Free |
+| https://dnsviz.net/ | A DNS visualization tool, including a visual analysis of the DNSSEC authentication chain. | Free |
 | https://dnswatch.info/ | DNS Lookups & Performance Monitoring. | Free |
 | https://www.domainiq.com/tools | DNS, IP, MX tools. | Free and paid plans |
 | https://whois.domaintools.com/ | Reverse whois & IP lookup. | Free and paid plans |
@@ -73,30 +73,30 @@ List of links to the various checkers out there on the web for sites, domains, s
 | https://simpledns.plus/lookup-dg | Trace a zone from the root, to debug delegation and whois| Free|
 | https://toolbox.googleapps.com/apps/dig | Easy to use DNS dig tool. | Free |
 | https://toolbox.googleapps.com/apps/checkmx | Check the MX records of a domain. | Free |
-| https://tools.keycdn.com | Check for http/2 support and find network related issues. | Free |
+| https://tools.keycdn.com | Check for http/2 support and find network-related issues. | Free |
 | https://www.ultratools.com | Big collection of useful network tools. | Free |
 | https://www.unlocktheinbox.com/dnstools/mx/ | Checks DNS, WHOIS, Blacklists, and more. | Free and paid plans |
-| https://www.viewdns.info/ | View DNS, IP, MX information. | Free and paid plans |
-| https://zonemaster.net/ | Check, measure and validate DNS. | Free |
+| https://www.viewdns.info/ | View DNS, IP, and MX information. | Free and paid plans |
+| https://zonemaster.net/ | Check, measure, and validate DNS. | Free |
 | https://www.nslookup.io/ | Global DNS propagation checker. | Free |
 
 ## Load Testing 🔥
 
 | URL | Description | 💳 |
 | --- | ----------- | -- |
-| https://loader.io/ | Loader.io is a FREE load testing service that allows you to stress test your web-apps & APIs with thousands of concurrent connections. | Free and paid plans |
-| https://loadimpact.com/ | Load test your website, app or API instantly with up to 1.2 million concurrent users. Get unlimited tests with a free trial. | Free and paid plans |
+| https://loader.io/ | Loader.io is a FREE load testing service that allows you to stress test your web apps & APIs with thousands of concurrent connections. | Free and paid plans |
+| https://loadimpact.com/ | Load test your website, app, or API instantly with up to 1.2 million concurrent users. Get unlimited tests with a free trial. | Free and paid plans |
 
 ## Mail Configuration ✉️
 
 | URL | Description | 💳 |
 | --- | ----------- | -- |
-| https://email-checker.net | Check emails addresses and lists of email addresses for existence. | Free and paid plans |
+| https://email-checker.net | Check email addresses and lists of email addresses for existence. | Free and paid plans |
 | https://hunter.io/email-verifier | Test the existence of up to 100 email addresses. | Free and paid plans |
 | https://www.mail-tester.com/ | Test the Spammyness of your Emails. | Free |
-| https://mxtoolbox.com/blacklists.aspx | The blacklist check will test a mail server IP address against over 100 DNS based email. | Free and paid plans |
+| https://mxtoolbox.com/blacklists.aspx | The blacklist check will test a mail server IP address against over 100 DNS-based emails. | Free and paid plans |
 | https://www.unlocktheinbox.com/mail-tester/ | Email Authentication and Configuration Tester. | Free and paid plans |
-| https://verify-email.org | Verify if an email address and the mailbox behind it exists. | Free and paid plans |
+| https://verify-email.org | Verify if an email address and the mailbox behind it exist. | Free and paid plans |
 | https://www.verifyemailaddress.org | Another email address checker. | Free and paid plans |
 | https://tools.verifyemailaddress.io | Test if an email address exists. Also provides an API for developers. | Free and paid plans |
 
@@ -106,7 +106,7 @@ List of links to the various checkers out there on the web for sites, domains, s
 | --- | ----------- | -- |
 | https://www.unlocktheinbox.com/services/inboxtester/| Email Inbox Tester - Check over 20+ destinations. |Paid Plans |
 | https://www.campaignmonitor.com | Preview emails in over 25 different email clients with the inbox preview feature. | Free trial, paid plans |
-| https://www.emailonacid.com | Test emails in over 70 email clients, apps and on different platforms. | Free trial, paid plans |
+| https://www.emailonacid.com | Test emails in over 70 email clients, apps, and on different platforms. | Free trial, paid plans |
 | https://litmus.com/email-testing |Test the rendering of emails in over 70 email clients and devices. | Free trial, paid plans |
 | https://previewmyemail.com | Another provider to test the rendering on many email clients and devices. | Paid plans |
 | https://putsmail.com | Send and debug emails in three parts (html, plain text, Apple watch). | Free |
@@ -115,26 +115,26 @@ List of links to the various checkers out there on the web for sites, domains, s
 
 | URL | Description | 💳 |
 | --- | ----------- | -- |
-| https://developers.google.com/web/tools/lighthouse/ | Useful for testing PWA's does mobile friendliness etc but not exclusively mobile. | Free |
-| https://excellentwebcheck.com/mobile-friendly-website-test | Test how mobile friendly an entire website is. More advanced scan than Google's Mobile Usability test. | Free and paid plans |
+| https://developers.google.com/web/tools/lighthouse/ | Useful for testing PWA's mobile friendliness etc but not exclusively mobile. | Free |
+| https://excellentwebcheck.com/mobile-friendly-website-test | Test how mobile-friendly an entire website is. More advanced scan than Google's Mobile Usability test. | Free and paid plans |
 | https://search.google.com/search-console/mobile-usability | Test how easily a visitor can use your page on a mobile device. Just enter a page URL to see how your page scores. | Free |
 
 ## Security 🔒
 
 | URL | Description | 💳 |
 | --- | ----------- | -- |
-| https://www.checkbot.io/ | Browser extension that checks multiple pages at once for web security best practices. Finds HTTPS mixed content issues, insecure password forms and more. | Free and paid plans |
-| https://crt.sh | Get an overview and information of assigned TLS certificates. | Free |
+| https://www.checkbot.io/ | Browser extension that checks multiple pages at once for web security best practices. Finds HTTPS mixed content issues, insecure password forms, and more. | Free and paid plans |
+| https://crt.sh | Get an overview and information on assigned TLS certificates. | Free |
 | https://csp-evaluator.withgoogle.com | Validate and check the CSP for weaknesses and security issues. | Free |
 | https://hackertarget.com | This service provides multiple tools to check websites for vulnerabilities. | Free and paid plans |
 | https://www.hardenize.com/ | Harden your server's security. | Free |
-| https://hstspreload.org/ | Check if a domain is on the HSTS preload list in browsers and submit them to the list. | Free |
+| https://hstspreload.org/ | Check if a domain is on the HSTS preload list in browsers and submit it to the list. | Free |
 | https://httpschecker.net/ | Track down HTTPS mixed content issues. | Free and paid plans |
 | https://internet.nl/ | Check whether your internet is up to date on Internet Standards. | Free |
 | https://www.isithacked.com | Check if there are any signs that a website is hacked. | Free |
 | https://www.magereport.com | MageReport checks if a Magento instance is outdated and if all security patches are installed. | Free |
 | https://observatory.mozilla.org/ | Observatory by Mozilla is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely. | Free |
-| https://report-uri.io/home/tools | Multiple useful tools for CSP, HPKP, SRI, headers and certificates. | Free |
+| https://report-uri.io/home/tools | Multiple useful tools for CSP, HPKP, SRI, headers, and certificates. | Free |
 | https://securityheaders.io/ | Scott Helme built securityheaders.io after deploying security headers like CSP and HSTS to his own site. He wanted a quick and easy way to check if other sites were using these headers and he figured he'd turn it into a useful tool for everyone to use! | Free |
 | https://sshcheck.com | Check the SSH configuration of servers. | Free |
 | https://www.ssllabs.com/ssltest/ | This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet. | Free |
@@ -144,12 +144,12 @@ List of links to the various checkers out there on the web for sites, domains, s
 
 | URL | Description | 💳 |
 | --- | ----------- | -- |
-| https://www.checkbot.io/ | Browser extension that checks multiple pages at once for SEO best practices. Finds duplicate content, broken links, unfriendly URL names and more. | Free and paid plans |
-| https://insites.com/ | Test your websites for everything. Check spelling, broken links, SEO, accessibility and more. | Paid |
+| https://www.checkbot.io/ | Browser extension that checks multiple pages at once for SEO best practices. Finds duplicate content, broken links, unfriendly URL names, and more. | Free and paid plans |
+| https://insites.com/ | Test your websites for everything. Check spelling, broken links, SEO, accessibility, and more. | Paid |
 | https://keyword.com | Accurate keyword rank tracking software with daily updates. | Paid |
-| https://nibbler.silktide.com/ | Nibbler is a free tool for testing websites. Enter the address of any website and Nibbler will give you a report scoring the website out of 10 for key areas, including accessibility, SEO, social media and technology. | Free and paid plans |
+| https://nibbler.silktide.com/ | Nibbler is a free tool for testing websites. Enter the address of any website and Nibbler will give you a report scoring the website out of 10 for key areas, including accessibility, SEO, social media, and technology. | Free and paid plans |
 | https://search.google.com/structured-data/testing-tool/u/0/ | Evaluate your structured data (rich snippets) markup for errors or warnings. | Free |
-| https://www.seobility.net/en | All-in-one SEO software including crawler, rank tracker, backlink checker, monitoring and reporting tools. | Free and paid plans |
+| https://www.seobility.net/en | All-in-one SEO software including crawler, rank tracker, backlink checker, monitoring, and reporting tools. | Free and paid plans |
 | https://seomator.com | SEO Audit Tool and website crawler for SEO performance improving with How-to-Fix tips. | Paid |
 
 
@@ -165,7 +165,7 @@ List of links to the various checkers out there on the web for sites, domains, s
 | URL | Description | 💳 |
 | --- | ----------- | -- |
 | https://www.freshworks.com/website-monitoring/ | 50 monitors, 1 min intervals, 5 public status pages free. | Free and paid plans |
-| https://ohdear.app/ | 2 sites, 5 euro, uptime,  certificate monitoring, mixed content scanning and more. | Paid only |
+| https://ohdear.app/ | 2 sites, 5 euro, uptime,  certificate monitoring, mixed content scanning, and more. | Paid only |
 | https://www.statuscake.com/ | 10 monitors, 5 min intervals, branded public reporting free. | Free and paid plans |
 | https://uptimerobot.com/ | 50 monitors, 5 min intervals, 2 months of logs free. | Free and paid plans |
 
@@ -180,28 +180,28 @@ List of links to the various checkers out there on the web for sites, domains, s
 | URL | Description | 💳 |
 | --- | ----------- | -- |
 | https://validator.w3.org/unicorn/ | Checks for proper HTML and CSS markup as well as broken links. | Free |
-| https://www.zerobounce.com/ | Checks to see if the email address is valid. | Free and paid plans |
+| https://www.zerobounce.com/ | Check to see if the email address is valid. | Free and paid plans |
 
 ## Website Performance 🚀
 
 | URL | Description | 💳 |
 | --- | ----------- | -- |
-| https://www.checkbot.io/ | Browser extension that checks multiple pages at once for performance best practices. Finds unminified resources, redirect chains, render-blocking JavaScript and more. | Free and paid plans |
+| https://www.checkbot.io/ | Browser extension that checks multiple pages at once for performance best practices. Finds unminified resources, redirect chains, render-blocking JavaScript, and more. | Free and paid plans |
 | https://www.debugbear.com/test/website-speed | DebugBear is a site speed testing tool that analyzes page performance and recommends possible optimizations. | Free and paid plans |
-| https://developers.google.com/speed/pagespeed/insights/ | PageSpeed Insights analyzes the content of a web page, then generates suggestions to make that page faster. | Free |
+| https://developers.google.com/speed/pagespeed/insights/ | PageSpeed Insights analyzes the content of a web page, and then generates suggestions to make that page faster. | Free |
 | https://gtmetrix.com/ | GTmetrix is a free tool that analyzes your page's speed performance.  Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them. | Free and paid plans |
 | https://pageweight.imgix.com/ | See how images affect your page speed. | Free |
 | https://testmysite.withgoogle.com | Checks websites for performance issues and provides reports. | Free |
 | https://toolbox.googleapps.com/apps/har_analyzer | Analyze the performance with a HAR file. | Free |
-| https://tools.pingdom.com/ | Enter a URL to test the load time of that page, analyze it and find bottlenecks. | Free and paid plans |
+| https://tools.pingdom.com/ | Enter a URL to test the load time of that page, analyze it, and find bottlenecks. | Free and paid plans |
 | https://www.uptrends.com/tools/website-speed-test | Check the performance from 30+ free and 160+ paid checkpoints. | Free and paid plans |
 | https://www.webpagetest.org | Website performance test tools with many options. | Free |
-| https://yellowlab.tools/ | Online test to help speeding up heavy web pages. | Free |
+| https://yellowlab.tools/ | Online test to help speed up heavy web pages. | Free |
 
 ## Contributing ✍️
 
 This started as a small personal project.
 
-Although this project is small, openness and inclusivity are taken seriously. To that end a code of conduct (listed in the contributing guide) has been adopted.
+Although this project is small, openness and inclusivity are taken seriously. To that end, a code of conduct (listed in the contributing guide) has been adopted.
 
 [Contributor Guide](CONTRIBUTING.md)