Attempting to replace a dead link with your own is easily and routinely identified as spam by the Wikipedia community, which expects dead links to be replaced to equivalent links at Persistent attempts will quickly get your account blocked, and your webiste can be blacklisted (the Wikipedia blacklist is public, and there is evidence that Google uses it to determine rankings), which will have negative SEO consequences.

Google is the most popular spider-driven search engine. Its database currently has about 4 billion pages indexed and is known for finding the most relevant information. When Google spiders the Web, it finds sites by traveling through links. The more sites that link to you, the more important the engines believe your content to be. You should focus on getting many important sites to link to your site. You can do this in many ways: submit to online directories, exchange links with business partners and industry-related sites, or participate in Link Building.
I read your post on my mobile phone while on a bus travel and it stirred me due to the fact that I’ve been doing SEO lately the poor man’s way like blog commenting, Social bookmarking, forum signature, directory submission, etc. I don’t know if any of these things still work today since I’ve been practicing them since 2008. These 25 SEO tactics that you have shared got my interest. Actually I am planning to make a new site right now after reading this one. I found out that maybe I’ve been doing a lot of spamming lately that my site is still not ranking on my desired keywords. And also, you have pointed out that it is not just by means of Keyword planner that we will be able to get keywords since there are others like, as what you have said, the wikipedia and the like. I am planning to make use of this article as my guide in starting a new one. I bookmarked it… honestly.. 🙂 And since I have read a lot of articles regarding SEO tips from other sites, I can compare them to your tactics and this is more interesting and exciting. I want to build a quality site that can make me generate income for long years. THANK YOU FOR BEING GENEROUS WITH YOUR KNOWLEDGE. I will try to communicate with you through email and I hope you can coach me Brian. .. please.. 🙂

Meta tags. Meta tags still play a vital role in SEO. If you type any keyword into a search engine, you’ll see how that keyword is reflected in the title for that page. Google looks at your page title as a signal of relevance for that keyword. The same holds true for the description of that page. (Don't worry about the keyword title tag -- Google has publicly said that it doesn't pay attention to that tag, since it has been abused by webmasters and all those trying to rank for certain keywords.)
You may not want certain pages of your site crawled because they might not be useful to users if found in a search engine's search results. If you do want to prevent search engines from crawling your pages, Google Search Console has a friendly robots.txt generator to help you create this file. Note that if your site uses subdomains and you wish to have certain pages not crawled on a particular subdomain, you'll have to create a separate robots.txt file for that subdomain. For more information on robots.txt, we suggest this Webmaster Help Center guide on using robots.txt files13.
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While with search advertising, you’re paying to show up in the top spot for relevant searches, with social media advertising you are paying to show up in relevant feeds. With both forms of advertising, you can specify the type of audience in front of which you’d like to appear, but with more psychographic data, social media offers superb targeting.
As a simple example, I recently renovated a Victorian-era house in the UK, and throughout the process, I was looking for various professionals that could demonstrate relevant experience. In this case, having a well-optimized case study showing renovation work on a similar house in the local area would serve as great long-tail SEO content — it also perfectly demonstrates that the contractor can do the job, which perfectly illustrates their credibility. Win-win.
For some reason I had to delete some pages, these pages are using the HTML suffix, so I blocked them in robots.txt use Disallow: /*.html, but it’s been almost a year, I found that google robot often capture these pages, How can I quickly let Google completely remove these pages? And I have removed these URL from google webmaster tool by google index-> remove URLs, but Google still capture these pages.
Google Analytics is an invaluable source of data on just about every conceivable aspect of your site, from your most popular pages to visitor demographics. Keep a close eye on your Analytics data, and use this information to inform your promotional and content strategies. Pay attention to what posts and pages are proving the most popular. Inspect visitor data to see how, where and when your site traffic is coming from.
While most search engine companies try to keep their processes a secret, their criteria for high spots on SERPs isn't a complete mystery. Search engines are successful only if they provide a user links to the best Web sites related to the user's search terms. If your site is the best skydiving resource on the Web, it benefits search engines to list the site high up on their SERPs. You just have to find a way to show search engines that your site belongs at the top of the heap. That's where search engine optimization (SEO) comes in -- it's a collection of techniques a webmaster can use to improve his or her site's SERP position.