The scientific literature is a place where link persistence is crucial to the public knowledge. A 2013 study in BMC Bioinformatics analyzed 15,000 links in abstracts from Thomson Reuters’ Web of Science citation index, founding that the median lifespan of Web pages was 9.3 years, and just 62% were archived.[10] The median lifespan of a Web page constitutes high-degree variable, but its order of magnitude usually is of some months.[11]


The scientific literature is a place where link persistence is crucial to the public knowledge. A 2013 study in BMC Bioinformatics analyzed 15,000 links in abstracts from Thomson Reuters’ Web of Science citation index, founding that the median lifespan of Web pages was 9.3 years, and just 62% were archived.[10] The median lifespan of a Web page constitutes high-degree variable, but its order of magnitude usually is of some months.[11]
Note: Here I only recommend one thing, before access the dark web links; please focus on your security, Do you know how to do that then check out my another post how to access the dark web. Do you want to know some brief introduction about the dark web, for more information, I searched alot on the deep web, And found some great stories which say, Tor network also have some loophole, in some cases, hacker can track your identity on the internet network. That’s why first your need to buy any premium VPN service. Which can provides you security into Tor environment? I have one best VPN which I always use for my personal task. This VPN service name is Nord VPN
I am reading your emails from long time and tips and techniques are always wonderful, I have used many suggestions and also highly suggest others using the same, really seo is like playing with search engines and keeping your eye on everything going on and the changes and even implementing our own sense of humour while preparing metas, sometimes guessing what users will use to search products or services.
Being on the 3rd place and at the same time having such a low CTR, serves a search intent. Isn’t that right? By changing the meta description in to a PERFECT DESCRIPTIVE TEXT, I am going to trigger different actions from the users. Many people will start clicking at my result just out of curiosity, their search intent won’t be satisfied and rankbrain will start to slowly ruining my ranking as my post, that won’t be fulfilling their searches.
Another reason is that if you're using an image as a link, the alt text for that image will be treated similarly to the anchor text of a text link. However, we don't recommend using too many images for links in your site's navigation when text links could serve the same purpose. Lastly, optimizing your image filenames and alt text makes it easier for image search projects like Google Image Search to better understand your images.
When would this be useful? If your site has a blog with public commenting turned on, links within those comments could pass your reputation to pages that you may not be comfortable vouching for. Blog comment areas on pages are highly susceptible to comment spam. Nofollowing these user-added links ensures that you're not giving your page's hard-earned reputation to a spammy site.

Organic search results are free and display below Google Ads and sometimes local results. Google uses a sophisticated algorithm to determine which sites rank highest for organic search results based on keyword usage, relevance, site design, and other factors. Generally, Google provides the highest quality, most relevant results based on the keyword(s) used by the searcher.

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