Practicing SEO now for over a decade, I don’t often come across many blog posts on the subject that introduce me to anything new — especially when it comes to link building. However, I must admit, after reading your article here I had to bookmark it to refer back to it in the future, as I’m sure it will come in handy when doing SEO for my websites later on down the road.

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.

An SEO technique is considered white hat if it conforms to the search engines' guidelines and involves no deception. As the search engine guidelines[18][19][52] are not written as a series of rules or commandments, this is an important distinction to note. White hat SEO is not just about following guidelines but is about ensuring that the content a search engine indexes and subsequently ranks is the same content a user will see. White hat advice is generally summed up as creating content for users, not for search engines, and then making that content easily accessible to the online "spider" algorithms, rather than attempting to trick the algorithm from its intended purpose. White hat SEO is in many ways similar to web development that promotes accessibility,[53] although the two are not identical.
Getting more website visitors does not happen overnight. It takes some effort but we’ve eliminated the hard part for you: knowing what to do in the first place. By using Google My Business and the other safe channels listed above, you can get the right visitors coming to your site and more importantly, more of those visitors converting into customers.
Ever heard of Maslow's hierarchy of needs? It's a theory of psychology that prioritizes the most fundamental human needs (like air, water, and physical safety) over more advanced needs (like esteem and social belonging). The theory is that you can't achieve the needs at the top without ensuring the more fundamental needs are met first. Love doesn't matter if you don't have food.
Another example when the “nofollow" attribute can come handy are widget links. If you are using a third party's widget to enrich the experience of your site and engage users, check if it contains any links that you did not intend to place on your site along with the widget. Some widgets may add links to your site which are not your editorial choice and contain anchor text that you as a webmaster may not control. If removing such unwanted links from the widget is not possible, you can always disable them with “nofollow" attribute. If you create a widget for functionality or content that you provide, make sure to include the nofollow on links in the default code snippet.
On another note, we recently went through this same process with an entire site redesign.  The executive team demanded we cut out over 75% of the pages on our site because they were useless to the visitor.  It's been 60 days since the launch of the new site and I've been able to still increase rankings, long-tail keywords, and even organic traffic.  It took a little bit of a "cowboy" mentality to get some simple things done (like using 301's instead of blocking the old content with robots.txt!).  I predicted we would lose a lot of our long tail keywords...but we haven't....yet!
Really its just a matter of getting creative - grab a cup of caffeine and think for a minute about what resources you have to try to get some insight on your visitors (or target markets) and their needs before you dive in.  Think about how much time it might take you (or what the cost of the reports would be if you are going to buy some market research reports), and tack that onto your billing as an optional service.
Not sure exactly why, perhaps I used a number too big and since my page is about classifieds, it probably seemed too much to browse through 1500 ads, I assume? Somewhat like you would post 800 tips for better ranking? Don’t know, will try to change things a bit and see how it goes, but you really gave me some new suggestions to go for with this article. Thanks again 🙂

If you're looking to upload an image to a blog post, for example, examine the file for its file size first. If it's anywhere in megabyte (MB) territory, even just 1 MB, it's a good idea to use an image compression tool to reduce the file size before uploading it to your blog. Sites like TinyPNG make it easy to compress images in bulk, while Google's very own Squoosh has been known to shrink image file sizes to microscopic levels.