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. 

Black hat SEO involves techniques such as paying to post links to a website on link farms, stuffing the metadata with nonrelated keywords, and using text that is invisible to readers to attract search engines. These and many other black hat SEO tactics may boost traffic, but search engines frown on the use of such measures. Search engines may punish sites that employ these methods by reducing their page rank or delisting them from search results.
You have also mentioned Quuu for article sharing and driving traffic. I have been using Quuu for quite sometime now and I don’t think they’re worth it. While the content does get shared a lot, there are hardly any clicks to the site. Even the clicks that are there, average time is like 0.02 seconds compared to more than 2 minutes for other sources of traffic on my website. I have heard a few guys having a similar experience with Quuu and so, I thought should let you know.
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Spider-driven search engines such as Google®, Yahoo!® and MSN® use "robots" or "crawlers" to score websites across the Internet. Robots "spider/crawl" each site and "score" pages based on how relevant they are. A website's score or placement within a spider driven search engine is derived from hundreds of variables such as link popularity, density and frequency of keywords in page content, HTML code, site themes and more. You will want to focus many criteria in your SEO strategy to position yourself well among the major search engines. Here are two of the most influential factors:
Make it as easy as possible for website visitors to connect with you by adding a live chat box to your homepage. Include a name and photo in the chat box so that users know they are talking to a real, live person and not just an automated robot. When there is nobody to monitor the live chat, be sure to mention that, by saying something along the lines of, “Nobody is here right now but feel free to leave a message and we will get back to you shortly!”
Specifics: Be as specific as you can with your recommendations. For example if you’re suggesting partnering with meal home delivery sites, find out which ones are going to provide the most relevant info, at what cost if possible, and what the ideal partnership would look like for content and SEO purposes. Even provide contact information if you can.
So many great tips! There are a couple of things I’ve implemented recently to try and boost traffic. One is to make a pdf version of my post that people can download. It’s a great way to build a list:) Another way is to make a podcast out of my post. I can then take a snippet of it and place it on my Facebook page as well as syndicate it. As far as video I’ve started to create a video with just a few key points from the post. The suggestion about going back to past articles is a tip I am definitely going to use especially since long-form content is so important. Thanks!
This post and the Skycraper technique changed my mind about how I approach SEO, I’m not a marketing expert and I haven’t ranked sites that monetize really well, I’m just a guy trying to get some projects moving on and I’m not even in the marketing business so I just wanted to say that the way you write makes the information accesible, even if you’re not a native english speaker as myself.

I’d add one thing to number 5: Writing good copy is crucial not just for your Title/snippet, but for your whole page, especially your landing page. You want people to stay on your page for a while and (hopefully) even navigate to other pages you have. Google looks at bounce rate and where they go after they hit your page. Learning to write good copy can not only increase conversion (if you’re selling something) but make your content more impactful and engaging. There are free books at most libraries or online to help.
If you are using Responsive Web Design, use meta name="viewport" tag to tell the browser how to adjust the content. If you use Dynamic Serving, use the Vary HTTP header to signal your changes depending on the user-agent. If you are using separate URLs, signal the relationship between two URLs by tag with rel="canonical" and rel="alternate" elements.