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28 Free Website Testing Tools

28 Free Website Testing Tools


September, 10 2021

When we create a website, checking for security and compatibility issues on many devices, loading speed of the page, SEO ... is a very necessary job. So in today's post I will introduce you to the popular website testing tools in 2021!

UnusedCSS

UnusedCSS is a tool that helps you to check for unused CSS properties in the page URL you provided. It will display information through a chart to help you have a direct view More about unused CSS properties.

UnusedCSS

Link

PurifyCSS Online

PurifyCSS Online is also a tool to help you check for unused code in your page. web effectively. With the introduction of information indicators about the CSS file before and after it is minified allows you to define the CSS size that can be reduced in the web page. In addition, it also has a download function about the minified CSS file that you can easily apply to your website.

PurifyCSS Online

Link

WhatCMS

WhatCMS helps you to check if a website is using CMS (Content Management System) any via the URL you provide. In addition, it also has a function to check hosting and WordPress Theme another website in use!

WhatCMS

Link

WordPress Plugin Checker

WordPress Plugin Checker is a tool that helps you check a WordPress website is in use which plugin for their site.

WordPress Plugin Checker

Link

Favicon checker

Favicon checker is a web app that allows you to check the display of favicon in the above website. popular mobile devices, applications as well as browsers today.

Favicon checker

Link

WAVE

WAVE is an assessment tool for the user experience of using your website. It provides Full details about the UI design errors in the website so that you can easily understand and fix the errors for your website.

WAVE

Link

Responsive Checker

Responsive Checker is a web app that helps you check the responsive display of your website on various device screens.

Responsive Checker

Link

Mobile-Friendliness (Google)

Mobile-Friendliness is a website founded by Google with the main task of helping you to can check the website friendliness on mobile devices.

Mobile-Friendliness

Link

Website Analytics (Accessify)

Website Analytics(Accessify) is a tool that helps you to evaluate the overall website like is page load time, website optimization, IP address information...

 Phân Tích Website (Accessify)

Link

Fit on a Floppy

Fit on a Floppy is a tool that helps you see the total size of a website to load. as well as download time on today's popular mobile networks such as 2G, 3G, 4G... In addition, it also gives you some tips and tools to reduce the size and increase the load time of your website.

Fit on a Floppy

Link

WOT

WOT is a website that evaluates whether a website is safe or not through millions of users on the web. this platform. It will make accessing strange websites on your browser safer. Outside So you should put your website here to help improve the website process better through reviews from users.

WOT

Link

Whois

Whois is a website that allows us to check full information about domain names such as registration time. registration, hostname, IP address, country of domain name registration...

Whois

Link

AMP Validator

AMP Validator is a tool that allows you to check the structure of an AMP project.

AMP Validator

Link

Whatsmydns

Whatsmydns allows you to instantly perform a DNS lookup to check your current IP address. domain names and DNS record information for many name servers in different regions of the world.

Whatsmydns

Link

GZIP COMPRESSION CHECKER

GZIP COMPRESSION CHECKER is a tool that checks whether gzip compression is enabled on a web host yours or not. Using gzip compression reduces the size of the web page before it is sent to user's browser with the main purpose of reducing server throughput as well as loading time your website.

GZIP COMPRESSION CHECKER

Link

Woorank

Woorank is a simple, easy to use web analytics tool for tracking and connecting data. your marketing data. It also aids in optimizing your website for speed and SEO through provides detailed instructions for each element of the website.

Woorank

Link

SSL Checker

SSL Checker helps you quickly diagnose problems when installing SSL certificates. You can verify SSL certificate on your web server to ensure that it is installed correctly, is valid, trusted and does not give any error to any user using your website.

SSL Checker

Link

Alexa

Alexa is a free, automated web analytics tool that helps you quickly get the score strengths and weaknesses of a website. It also has some useful functions such as word analysis key of sites that compete with you in the same field, traffic statistics, number of people interactive use...

Alexa

Link

Webbkoll

Webbkoll makes it possible to test the data security measures that a standard website should This will ensure the safety of your website as well as information and data from users.

Webbkoll

Link

Site Worth Traffic

Site Worth Traffic is a free service designed to estimate the value, number of pageviews daily, daily visitors and daily revenue of a website. Quickly calculate the price site value and worldwide ranking of any website. View page traffic statistics detailed web page, including Alexa statistics, last shared links on social network Facebook, international the location of the web server, IP address, monthly income and annual income of the website.

Site Worth Traffic

Link

Sucuri SiteCheck

Sucuri SiteCheck will help you check the security of your website such as malware detection, for example. treat infected files by scanning the open Link codes that your website is using, checking your website status is on the blacklist of security agencies like Google, PhishThank... determine if the site is using outdated, vulnerable CMSs or plugins ...

Sucuri SiteCheck

Link

Urlrate

Urlrate is a tool to evaluate the value of your domain name as well as your website through the important attributes such as visitors, Page Views, Google PageRank, Edge Rank Pictures, Ratings, Backlinks, Social Mentions on sites like Twitter and Bookmarking on Delicious, Digg, StumbelUpon, Reddit...

Urlrate

Link

Builtwith

Builtwith is an application that makes it easy to see if a website is using technology to build a website.

Builtwith

Link

PageSpeed Insights

Builtwith is an application that makes it easy to see if a website is using technology to build a website.

 PageSpeed Insights

Link

Open Admin Tools

Open Admin Tools is a tool that helps you analyze your website by providing the address URL. With useful information such as traffic, web technology used, security level, basic information about the site...

Open Admin Tools

Link

Check-Host

Check-Host is a modern online tool for website monitoring and checking the availability of servers, DNS records, IP addresses. It supports the latest technologies such as localized domain names (both Punycode and native formats), hostname IPv6 records (also known as AAAA records).

Check-Host

Link

Viewdns

Viewdns is a collection of many useful tools to help you find information about your current owner. own domain name, find the location of the domain name, provide complete information about your DNS settings...

Viewdns

Link

Website Speed Test (UPTREND)

Website Speed Test (UPTREND) is a tool to help you test website speed completely free. What I like most about it is that you can choose the location to check the page load time like in Singapore, London, Sydney...

 Website Speed Test (UPTREND)

Link

Summary:

Through this, I hope the article will provide you with useful website testing tools for development, web design and if you have any questions just send an email I will respond as soon as possible. Very Hope you continue to support the site so that I can write more good articles. Have a nice day.