SEO BEST TOOLS Checker 2022

Most Web creators always worry about their SEO  pages and sites, today I'm gonna give you some steps to check your SEO Web pages check them out.  


Checker Services ✅

List of links to the various checkers out there on the web for sites, domains, security etc.

Table of Contents 📖

Accessibility ♿️

URLDescription💳 single HTML pages for conformance
 with accessibility standards to ensure the content
can be accessed by everyone.
Free sites for accessibility issues
(W3C/WAI - WCAG1 and WCAG2 - and E-mag).
Free sites for accessibility issues and
offer solutions for problems found.
Free and paid plans pages for colour accessibility.Free a detailed report about markup
and accessibility concerns including
 ARIA roles. Provides solutions for problems found.

Browser Testing 🌎

http://browsershots.orgTest websites on any browser,
platforms and devices.
Free your website for cross-browser
 on real browsers. Instant access to
 multiple desktops and mobile browsers.
https://saucelabs.comTest apps and websites in many browsers.
Can be integrated into CI workflows.
Free trial, free for open source
 projects paid
https://testingbot.comTest apps and websites in many browsers.
Can be integrated into CI workflows.
Free trial, free for open source
 projects paid

Cron Jobs ⚡

URLDescription💳 cron job scheduler & monitoring service.Paid Cron Job Replacement and Monitoring Service.Free More Out of Your Cron Jobs.Paid and Effective Cron Job Monitoring.Free


http://bgp.he.netCheck IPs, networks, whois, ASNs,
prefixes and more.
Free web interface to dig
for doing online DNS / nameserver query.
Free and donations are welcome a domain name to check
if its DNS servers are configured correctly.
https://dnschecker.orgCheck the DNS propagation of domains.Free domain research tool that can
discover hosts related to a domain.
Free, validate and verify your
DNS configurations.
Free and paid plans DNS tools.Free Lookups & Performance Monitoring.Free, IP, MX tools.Free and paid plans whois & IP lookup.Free and paid plans
https://ip6.nlTest if the server supports IPv6.Free if the server supports IPv6.Free
http://www.ipvoid.comMultiple IP address tools.Free collection of useful network tools.Free tools for DNS, IP, MX.Free and paid plans to use DNS dig tool.Free the MX records of a domain.Free
https://tools.keycdn.comCheck for http/2 support and
find network related issues.
https://www.ultratools.comBig collection of useful network tools.Free DNS, WHOIS, Blacklists, and moreFree, Paid Plans DNS, IP, and MX information.Free and paid plans DNS propagation checker.Free

Load Testing 🔥

URLDescription💳 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 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 ✉️

https://email-checker.netCheck email addresses and lists
of email addresses for existence.
Free, paid premium plans the existence of up to
100 email addresses.
Free, paid plans the Spammyness of your EmailsFree blacklist check will test
a mail server
 IP address against over
100 DNS based email
Free, paid plans Authentication and
Configuration Tester
Free, Paid Plans
http://www.verifyemailaddress.orgAnother email address checker.Free, paid bulk plan
https://tools.verifyemailaddress.ioTest if an email address exists.
Also provides an API for developers.
Free, paid API

Mail Testing ✉️

URLDescription💳 Inbox Tester -
 Check over 20+ destinations
Paid Plans
https://www.campaignmonitor.comPreview emails in over 25
 different email clients with
the inbox preview feature.
Free trial, paid plans
https://www.emailonacid.comTest emails in over 70 email clients,
apps and on different platforms.
Free trial, paid plans
http://www.emailreach.comCheck how the emails render
 indifferent clients and on different
 platforms with the EmailView and
MobileView features.
Free trial, paid plans the rendering of emails over
 70 email clients and devices.
Free trial, paid plans
http://previewmyemail.comAnother provider to test the rendering
on many email clients and devices.
Paid plans
https://putsmail.comSend and debug emails in three parts
 (HTML, plain text, Apple watch).

Mobile Friendliness 📱

URLDescription💳 for testing PWA's does mobile
friendliness etc but not exclusively mobile
Free how easily a visitor can use your page
 on a mobile device. Just enter a page URL
 to see how your page scores.

Security 🔒

URLDescription💳 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.shGet an overview and information on assigned TLS certificates.Free
https://csp-evaluator.withgoogle.comValidate and check the CSP for weaknesses and security issues.Free
https://hackertarget.comThis service provides multiple tools to check
websites for vulnerabilities.
Free and paid plans your server's securityFree if a domain is on the HSTS preload list
 in browsers and submit them to the list.
Free SSL/TLS implementation of any service
 on any port for compliance with PCI DSS requirements,
HIPAA guidance and NIST guidelines.
Free down HTTPS mixed content issues.Free and paid plans
http://www.isithacked.comCheck if there are any signs that a website is hacked.Free
https://www.magereport.comMageReport checks if a Magento instance is
outdated and if all security patches are installed.
Free by Mozilla is a project designed
to help developers, system administrators,
and security professionals configure
their sites safely and securely.
Free useful tools for CSP, HPKP, SRI,
headers and certificates.
Free Helme built security headers.
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 your PHP project for known security issuesFree
https://sshcheck.comCheck the SSH configuration of servers.Free
https://ssldecoder.orgCheck the TLS configuration of a server.Free free online service performs a deep
analysis of the configuration of any SSL
 webserver on the public Internet
Free the strength of the available
cyphers which can be used with HTTPS or SSH.


URLDescription💳 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 your websites for everything. Check to spell,
broken links, SEO, accessibility and more
Paid 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 your website for chat apps
and social networks
Free your structured data (rich snippets)
the markup for errors or warnings
https://seomator.comSEO Audit Tool and website crawler for
SEO performance improving
with How-to-Fix tips.

Technology Used 🖥

URLDescription💳 out what websites are Built WithFree and paid plans

Uptime Monitoring 📉

URLDescription💳 monitors, 1 min intervals,
 5 public status pages free
Free and paid plans
https://tryhexadecimal.comNo-nonsense website monitoring
 and status page service
Paid sites, 5 euro, uptime,
 certificate monitoring,
mixed content scanning and more
Paid only monitors, 5 min intervals, branded
 public reporting free
Free and paid plans monitors, 5 min intervals,
2 months of logs free
Free and paid plans

URL Analysis 🌐

http://urlquery.netCheck URLs for malicious requests.Free
https://urlscan.ioFind out what happens when a URL is accessed.Free

Validation 👌

URLDescription💳 for proper HTML and CSS
 markup as well as broken links.
Free to see if the email address is valid.Free, Paid plans

Website Performance 🚀

URLDescription💳 if GZIP compression on your
webserver is enabled
Free extension that checks multiple
pages at once for performance
 best practices.
Finds unminified resources, redirects chains,
 render-blocking JavaScript and more.
Free and paid plans Insights analyzes
the content of a web page,
then generates suggestions
 to make that page faster.
Free 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 page load test from 3 continents.Free how images affect your page speedFree
https://testmysite.withgoogle.comChecks websites for performance
issues and provides reports.
Free the performance
 with a HAR file.
Free a URL to test the load time
of that page, analyze it and
find bottlenecks.
Free and paid plans the performance from 30+
free and 160+ paid checkpoints.
Free, paid plans
https://www.webpagetest.orgWebsite performance test tools
with many options.
Free test to help speed up
 heavy web pages

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.

Contributor Guide

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