Best free wordpress plugins:
1. Antispam Bee
2. Theme Check
3. Duplicator
4. Jetpack
5. Yoast SEO

There are hundreds of plugins, whether they are the best depends on what you want to accomplish. The ones you have listed all have their merits though.

As a WordPress developer, I can't live without Advanced Custom Fields (for creating a custom WP Dashboard) and WP All Import (for importing massive amounts of content all at once.

Hello there!! I would like to share some free plugins that every blogger should try out here:

• Blog Designer: It's a unique WordPress plugin to manage and design your blog page. It allows you to modify your blog page layout and design as per your choice.
  
• Avartan Slider LIte: This plugin is a great way to help you create stunning image slider and video slider for your WordPress website.
  
• Portfolio Designer Lite: With the help of this free plugin you can easily design beautiful portfolio for your website.
  
• User Activity Log: It is a security related WordPress plugin that you can use to track and monitor all user activities from admin site.

Bloggers can use the following free WordPress Plugins:

1. Yoast SEO
2. Jetpack
3. Akismet
4. WP Super Cache
5. WP Forms
6. Google XML Sitemaps

Completely agree with Yoast, jetpack and Akismet.
I also use WP fastest cache and WP-Optimize to keep my site fast.

Yoast is definitely A1 from my experience. No brainer for all the SEO and search benefits this sucker offers you. Rocking list here.

Ryan

JetPack is also one of the best free plugin which is available on Wordpress for free.

wordfence security

Some of the free plugins in WordPress are..

wordpress seo by yoast
all in one seopack
google xml maps
html sitemap for wordpress
seo friendly images
share this
broken link checker
seo links checker
seo pluggin by sqirrly

You might have got enough ideas of necessary plugins but install many plugins can slow down your website. Depending on your blog niche, still some of these additional plugins can helpful for any types of blog.
1. Connect your blog to Cloudflare that speed up and filter unwanted traffic your website.
2. Install Jetpack: It will protect you blog from small attack and give you traffic insight.
3. Install contact form 7: It will allow your visitors to contact you.
4. Ad Inserter plugins: To implement google ads turning you traffic into money.
5. Updraftplus : It is use to backup and restore your website from accidental crash or while switching web host.
6. Ultimate Shorcodes: You want insert button, tabs, sliders in your post.
7. EWWW image optimizer: If you have many images in your blog run this plugins to compress your image.
You don't worry about blog attacker because simple attack will handle by jetpack and the attack like DDOS, sql injection can't be prevent by plugins you need to get firewall. These types of attack mostly target huge traffic blog. When you have huge traffic you will be able to buy firewall that cost just $10 per month.
Happy blogging

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All In One WordPress Security and Firewall.

Without installing this plugin first - nothing else matters.

Anytime I create a new WP site, this is the FIRST plugin that I install and configure. A freshly built WP site is easy pickings for a hacker - and I love to use this plugin to stop them dead in their tracks.

It does not matter what other plugins you install - if your site is already compromised.

Some of the best plugins are:
1. Yoast SEO
2. Sumo
3. Wp Super Cache
4. Social sharing buttons
5. thrive architect

Hi, Why do you ask for "FREE". You get what you pay for.
On the web especially you need what you NEED, I know that sounds silly however with the virus's out there today, with people buying legitimate plugin and apps companies just so they can get virus codes into the main stream your security in ALL areas is paramount.
Don't get me wrong, I too had to start out with a limited budget, I'm a single dad so I had a very limited budget, sometimes though you need the best or actually you need the plugin/app that will actually do the job.
I recently took on a bus companies web sites, they were getting over 3000 attacks per day (all up), the previous company had used free plugins and the sites were going down on a nearly daily basis, they paid these rip off's over $15,000.00 to supposedly fortify their sites and bookings.
I did it in less than 2 weeks for a cost of about $1800.00 (I charged more than that for my time) but that was the cost for the top of the range security that they needed because of the ferocity of the hackers when they found out that they could no longer get in, so every time there was a series of attacks I would have to fight the sites, tightening up ALL areas, one 1 occasion I had over 2200 attacks one 1 site over a period of nearly 48 hrs, free stuff wouldn't have done the job.
So look 1stly at the people who are giving you advice, How long have they been members? How many "Posts" have they made in their short time on this the worlds best forum. Then ask yourself, If they have that much time to troll this site and use so much of their "Valuable" time to put up hundreds and thousands of "Advice" posts, how busy sre they/ What do they really know, most of the time when I do have the time to have a look, the advice is just generic rubbish you can get anywhere.
Personally what I feel you might want to consider is to actually change your questions, Ask "What do you need in these areas to meet your needs", all decent companies will be only too happy to answer your questions, be honest with them, tell them you have a limited budget and this is what you are doing.
I have over the years built some exceptional relationships with some of these companies because I was honest and told them what I wanted their plugin to do for me, I have received emails back telling me that at this time their plugin wasn't what I needed and they steered me towards the product I needed at that time, however when I needed a plugin that they had, they already had a loyal customer because of their honesty..
So do your research, ask the companies the "correct" questions which you will know when you have done your homework..
Good luck to you and never give up
Wayne

1) Akismet
Ah, comment spam. Don't you just love that stuff?

Those pesky little emails and junk mail that come flooding in at every turn are just so much fun.... Sarcasm aside, spam really is very irritating. And spam comments in WordPress are the most irritating of all.

If you want to save yourself a serious headache, then Akismet is the must have WordPress plugin.

This blog plugin helps stave off comment spam and even has the ability to delete all the junk comments on its own so you never have to even see those digital vermin.

1. Yoast SEO: Most people use it whenever they start any WordPress site. It manages especially aspects of content such as title, meta description. Moreover, it evaluates SEO optimization and readability.
2. Broken Link Cheker: Help you to automatically detect broken links by scanning all of your internal or external links. You can update them and bring the good experience to your users.
3. Mailchimp for WordPress: Good plugin to make an email list and perform email marketing.

1. Yoast SEO
2. Duplicator
3. MailChimp
4. JetPack
5. Akismet
6. WP Forms

Some of the free plugins are:
1. Yoast SEO
2. Contact Form
3. Mail Chimp
4. All in One SEO pack
5. Social sharing buttons
6. Maps

The must have free WordPress plugins for every blogger:

Yoast SEO
SEO helps you to drive more traffic from search engines to your website. Although WordPress is created SEP friendly, there are many things you can do for increasing your website traffic using SEO plugin. Yoast SEO is one of the best WordPress SEO plugins. Personally, Yoast SEO is the best SEO solution for WordPress site. It includes the remarkable features and tools which helps you improve your on-page SEO, such as snippet preview, readability analysis, keywords analysis, sitemaps generation, and more.

All in one WP security and firewall
Security is a top priority for all websites. All in one WP security and firewall is a totally free WordPress security plugin without any premium plans. The best thing about this plugin is all features categorized as basic, intermediate, or advanced, which helps various level users easily set up the configuration. The security strength is based on the security point scoring system with graphs and meters. This helps beginners easily know that what needs to be done to make your site secure.

UpdraftPlus
Updraftplus is the most popular WordPress backup plugin on the market with over two million active installations. It is one of the favorite WordPress plugins of mine. When we talking about a backup plugin, one of the things we tend to ignore is the restoration process. I tried many backup plugins, and found out almost all freemium backup plugins lock the backup restoration feature which is included in the paid plan. Only Updraftplus and WPvivid backup/restore cover the backup and restore features at their free version. They both support to create manual and scheduled backups and allow you to backup to most commonly used cloud storage including Amazon S3, FTP, email and more. They also make it super easy to restore your website from a backup. If you would like to try some new plugins, WPvivid backup/restore is a good alternative to Updraftplus.

Akismet
When you complete your WordPress installation, you will find a few pre-installed plugins, one of them is Akismet. Upon activation, Akismet filters spam from contact forms and comment sections, which is based on information gathered from all websites on which it is activated. Spam comment is a big issue when your site grows. In this case, you need other options to work alongside with Akismet to reduce the amount of spam.

Yoast Seo plugin is a must.

The following plugins are must

1. Yoast SEO
2. Akismet

1. Yoast
2. All in One SEO
3. Autoptimize
4. Monster Insight
5. MailChimp
6. JetPack

Be careful while installing any plugin. Go through the rating before getting it.

For me;

1. Jetpack
2. Yoast
3. Wordfence Security
4. WP Optimize
5. BackWpup
6. Contact Form 7
7. AMP for Wordpress
8. WP Super Cache
9. Hostnoc
10. Google Analytics
11. Schema

Yoast, jetpack, wpcache, all in one seo, contact form 7, smush, hide post etc.

• Google XML Sitemaps
• Askimet
• Contact Form 7
• JetPack by WordPress.com
• WooCommerce
• WordFence Security
• Yoast SEO
• Regenerate Thumbnails
• WP Super Cache
• Author Bio box
• WP- Polls
• Easy Facbook Like Box
• Scroll Triggered Box
• AntiSpam by CleanTalk
• Simple Social Share

Very well mentioned, thanks for sharing the useful post...

As per my knowledge, Yoast SEO is one of the most used WordPress Plugins as this provides tools which help you increase your position in search engine results. This plugin also helps you analyze content on web pages and blog posts, and makes suggestions to fine-tune your search engine optimization.

Here are Free Essential WordPress Plugins for Bloggers:-

1. Fancier Author Box
2. Postmatic Comments
3. Disable Comments
4. Akismet
5. Editorial Calendar
6. Yoast SEO
7. WP Super Cache

I have one plugin that might be you love it. This plugin is "shortcode ultimate". This is the simple plugin with complete features inside, especially for custom front end.

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Ninja Forms
Elementor
WooCommerce
TablePress
Envira Gallery
Smart Slider 3
Yoast SEO
Redirection

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Best Free Plugins In WordPress

1. Advanced FAQ Manager
Advanced FAQ Manager allows you to easily create and manage frequently asked questions (FAQs) in your WordPress pages.

2. Yoast SEO
Yoast SEO is the most complete WordPress SEO plugin. It handles the technical optimization of your site & assists with optimizing your content.

The main free plug inns every blogger should know are:
Yoast SEO,Jetpack,Everest Forms,User registration,Akismet,wpDiscuz,UpdraftPlus,NextGEN Gallery,Easy Social Sharing,Maintenance Page