You can find broken internal links from within the Search Console. You need to attend to each warning appropriately telling Google that you have fixed it. Having excessive 404s will hurt your site if they are really 404s, because anyone could escalate the 404s by pointing randomly to pages that don't exist from external places, which is why this is not that big of a deal - but should be looked at.
Search volume based on trends is ever-changing. Twitter, YouTube and news aggregators are great resources for identifying popular trends. Take advantage of trends in your field as well as trends in business, technology, local, pop culture and world events to promote your product. You can garner significant web traffic by beating your competitors to the punch.
Negative SEO is basically when someone sends a ton of spammy, low quality backlinks to your site. The goal is to get Google to think your site is low quality because of all the crappy sites linking to you, and eventually devalue your site. There are actual companies that get paid to do negative SEO on behalf of their clients. It sucks, but it's reality.
If you have an "Action against Site" notice - then your site drops out totally from the SERPs and you have essentially been de-indexed. There will be a notice from the manual webspam team (real person) inside Search Console messages. If this happens, you cannot do much other than fix things and then send a plea and appeal to Google literally begging them to put your site back in their index - because you have cleaned up everything you do (or your SEO company did to your site).
Basically, Google shows the autocomplete suggestions whenever you start typing anything into Google search box. It is in Google's best interest to show the most relevant keywords in the autocomplete suggestions. Keywords that would help Google to retrieve the most relevant websites and help users find the most relevant content for their search query.
However, this does not mean you cannot topple them. It just takes more of an effort in terms of content as your page has to build the trust. That is why you will see the "Google dance" happening for fresh content from a site that is not yet trusted or is not very authoritative. Google gives your page a chance and measures user click-throughs when it pushes you to certain spots in the SERPs and then measures user engagement levels when the traffic hit your site through those positions in the SERPs.
Every online search starts with a keyword. This can be, by simply typing in your keyword into the Google search box or by using voice activated search. Based on the user input, search engines will return the most relevant results to answer the query. Optimizing your content and ranking for the right keywords, determines the success of your website and your online business.
Jaaxy is very robust and very dialed into current trends and keyword searches. I have used it now for a while with great results, using the keywords results to determine what to post has helped and I am ranking on page 1 or 2 with several keywords within a short time frame of using them. ( 26 minutes on my last post) No, you don’t just throw a keyword on a page and get ranked but my point is the information Jaaxy provided was accurate.
This will instruct search engines to avoid this specific link. The attributes found above helps define the relationship that a page or content has with the link it is tagged with. Nofollow links are mostly used in blogs or forum comment because this deems spammers powerless. This was created to make sure that inserting links is not abused by those who buy links or sell them for their gain. As a webmaster, it is your job to check your pages for these links. Inspect the code and see if the links are tagged with its corresponding follow or nofollow attribute.