6/29/2023 0 Comments Rich snippets testing toolYet, even the above-mentioned simple Product rich result pales in comparison to the Popular Products enriched search result that has recently been introduced by Google. It does this by showing the product details people care about, such as price, availability, and review ratings. In the image below, you can see that even the simplest type of rich result stands out compared to a regular snippet. To illustrate what “visually enhanced” means, let’s compare regular and rich snippets for product pages from online stores. Simply put, rich results are a visually enhanced type of search result that displays additional information from the page instead of showing a standard snippet containing title, description, and URL. Having some additional data shown in SERPs instead of a bare list of headings, users can better understand what page is worth visiting and not waste time clicking each and every link on the list. These algorithms have been developed to make SERPs more informative and help users find exactly what they are looking for. Google generates rich results using special algorithms that rely on the structured data provided by website owners. What are rich snippets or rich results on Google? You’ll learn what rich results are, what you should do to get them, and how you can benefit from a fancy presentation of your pages on SERPs. This article will help you sort things out to form your own opinion. So are rich snippets worth the hype and do you truly need them? Yet, getting Google’s rich snippets remains a gamble to a large extent, and nobody has any guarantee of success. The pioneers of rich snippets SEO reported double click-through rates. At the same time, these innovations give marketers a hard time, because they have to get more technical and invest more effort in their SEO activities. Thanks to rich results, today’s SERPs look more informative and appealing to users. They have changed the look and feel of Google’s SERPs beyond recognition. There’s been a lot of talk about rich results or rich snippets recently, and it’s no surprise. New features, improvements and updates all in one place so you can make the most out of SE RankingĮverything you need to know about on-page SEO in 2023 and beyondĬheck out our list of top-performing SEO agencies by organic traffic and analyze their digital performanceīoost your link building strategy by putting this guide's best practices to workīlog / Google SERP / What are rich snippets and will they help you get richer? Read our comprehensive guides, case studies, interviews with experts and moreĭiscover a collection of videos on burning SEO topics featuring industry expertsīroaden your SEO expertise by joining online courses created by seasoned SEO specialists
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6/29/2023 0 Comments Alula featherThey hypothesized the alula in this scenario to operate like a strake on a delta-winged aircraft, producing a vortex that promotes LEV formation on the swept-back hand wing. 6 observed the steppe eagle Aquila nipalensis to morph its wings into a distinct M-shape during the pitch-up phase of its perching sequence. 10 is likely not the alula tip vortex but rather the separated boundary layer of the alula.Ī second proposed function of the alula is that it promotes LEV formation over the swept-back hand-wing of birds in flight scenarios when the arm-wing is completely stalled 4, 6. These observations led Sander to remark that the streamwise vortex measured by Lee et al. Sander notes the breakdown of the alula vortices at higher angles of attack, α ≥ 25 deg, due to their interaction with a separated wing boundary layer. did not measure nor mention the LEV on the hand-wing and Sander only observed an LEV when simulating flapping motion. Sander 18 also observed an alula tip vortex as well as an alula leading-edge vortex in their computations on a simplified bird-alula model. 10 measured a streamwise vortex aft of the alula, calling this the alula tip vortex, and a stall-delaying effect outboard of the alula. This function has been partially corroborated by several recent experimental and computational works. First, that the alula generates a small vortex which separates the attached-flow system on the inner, thick-profiled, arm-wing section and the separated leading-edge vortex (LEV) on the outer, thin-profiled, hand-wing section. These observations have prompted a revaluation of the aerodynamics of the alula for which two updated interpretations of its function have been proposed 4, 6. Subsequent research depicting separated flow over real and model swift wings in steady flight 15, 16 and Passerines in slow-flapping flight 17 suggests that the alula likely prevents wing stall through the maintenance of separated-edge flows rather than preventing flow separation from occurring in the first place. These devices prevent wing stall by ensuring the flow remains smoothly attached to the wing. 1) has led to early comparisons of it to flow control devices on aircraft such as leading-edge slots/slats 7, 8, 9. The gap formed between the deflected alula and the top surface of the wing (see Fig. These findings shed new light on avian wing anatomy and the role of unconventional aerodynamics in shaping it.įull size image Aerodynamics of the alulaĭespite consensus among researchers regarding the importance of the alula in avian flight, the aerodynamic mechanisms underlying its function remain debated. We found the position of the alula on non-aquatic birds selected for alula optimization to be located at or near the lift-maximizing position predicted by wind tunnel experiments. To test this, we perform experiments on model wings in a wind tunnel to approximate this distance and compare our results to positional measurements of the alula on spread-wing specimens. Specifically, we test the hypothesis that the relative distance of the alula from the wing tip is that which maximizes LEV-lift when the wing is spread and operated in a deep-stall flight condition. Here, we explore scaling trends of the alula’s spanwise position and its connection to this function. New research into the aerodynamics of this structure suggests that its primary function is to induce leading-edge vortex (LEV) flow over bird’s outer hand-wing to enhance wing lift when manuevering at slow speeds. An aerodynamic structure ubiquitous in Aves is the alula a small collection of feathers muscularized near the wrist joint. 6/29/2023 0 Comments Linkedin boolean job search
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