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Tuesday, 15 April 2014

Mumbai Delight - Fun Is Breath Of Life

Hi, Myself Azim Uddin and I am an Internet Marketing strategist & social media consultant. I started blogging to share guides, news & how-to's to help people the simplest possible way without any technical jargon's. Making Sure you'd feel welcomed irrespective of what you know about web. Enjoy :)
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Monday, 8 April 2013

SEO Best Practices Are Like A Chocolate Milk-shake


First things first, I really like chocolate milkshakes. (There, I said it… No turning back.) I think they are delicious and no two are exactly the same. (Unless you buy two from same place, then they’re more or less exactly the same.) Though some are chocolat-ier and some are creamier than others, a chocolate milkshake is still a chocolate milkshake. Unless you go to Wendy’s, then it’s called a Frosty and it’s delicious.

The point I’m making is that chocolate milkshake’s are made up of 3 main ingredients; Ice cream, Chocolate, and Milk. Great SEO is made up of 3 main ingredients too; On-page and Off-page optimization, and Great Content. Even though you put these 3 main ingredients in, you can end up with a slightly different product in the end if you adjust the quality. By quality, I mean time and effort.

Any great SEO will tell you that SEO takes time and you will get out of it what you put in. The more time and effort you spend, the better your results will be. Now, let’s take a look at the 3 main ingredients in a great SEO chocolate milkshake.
On-Page SEO (AKA the Ice Cream)
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If SEO were a chocolate milkshake, on-page optimization would be the ice cream. There are quite a few factors to consider with on-page SEO such as keyword density, page format, and CTA’s; unique page titles, meta keywords, and proper meta-descriptions.

To date, there is no official mathematical formula for the perfect on-page keyword density Keep your keyword usage natural for the reader. The search engine bots are getting very smart, and are starting to look at websites the same way a human does.

Here’s an example of an unnatural way to use keyword density using the keyword “best potato salad”:

 The best potato salad comes from the best potato salad factory that we built using only the best potato salad. We love the best potato salad simply because it is the best potato salad. You can taste our best potato salad and BestPotatoSalad.com. 

If I continued on, this post would be seen by both the user and search engine bots as unnatural, and ultimately provide end users with no real value.

    Having a Unique Page Title is very important to SEO as well. If every page is titled the same “Home | Best Potato Salad” or “Blog | Best Potato Salad,” it can limit your site from being ranked for multiple keywords.

    Page format and style are additionally an important factor in SEO. A best practice is to design a clutter-free page with the most valuable information above the fold, or invest in responsive web design If your page features a large amount of ads above the fold, it is likely to get dinged in the search engine results page (SERP).

    Writing Unique Meta-Keywords and Meta-Descriptions are essential to gaining a higher click-through-rate. Most search engines no longer use this Meta-Data in their algorithm for results, but it will help you draw people into your site. A common mistake I see is that people use the same Meta-Keywords and description on every page. (“Our Potato Salad is the Best Freakin Potato Salad you’ve ever had, period!) Make your description unique, but relevant to every page. As far as length, you’ll want to keep your Meta-Keywords to 70 characters or less, and your Meta-Description to 150 characters or less.

    Placing Alt Text on any images you have on your page will help those images appear in the Image SERP. The text should be relevant to the picture.

    Using proper header tags throughout your page (H1, H2, H3, etc.) shows the search engine bots a level of importance. The title of your page should be in H1 format, giving it the highest importance. The subtitle should be in H2.

Off-Page SEO: (AKA the Chocolate)

You can’t have a great chocolate milkshake without the chocolate, thus bringing us to Off-Page SEO. The primary components to Off-Page SEO are building quality links and earning social media shares. These days, link building isn’t as easy as it was a few years ago. Link building is like strategic networking where quality wins over quantity. If you have a high quantity of poor links pointing your direction, you can get heavily dinged in the results. (Example: You have a Potato Salad website with a high majority of your links coming from various Pay Day Loan sites.)

If you haven’t checked your back links in a while, it’s a good idea to get it done A.S.A.P. Also, make sure that you put “checking your back links” on a monthly or bi-monthly checklist.
Great Content: (AKA the Milk)

If SEO were a chocolate milkshake, great content would be the Milk. After all, you can’t have a milkshake with the milk (that would just be ice-cream, which is also delicious), Great content is something that gives the end user useful and engaging information. Without the end user sticking around to read what about you’re selling, showing, or saying, there’s really no point of making a webpage.

In contrary to what a lot of websites put out there, great content isn’t always about you. You don’t always need to write about how awesome you are, and how eating your companies World’s Best Potato Salad will help you get lucky tonight. (Actually, I would read that one..)

The point of providing great content is to give the end user valuable information. This will make you and your company the authority on the subject ultimately giving the end user a place to turn when they are ready to buy.

P.S. This post was not intended to offend any of the following people.
- Potato Salad farmers and/or growers
- Potato Salad factory workers
– People who eat potato salad as both an entrĂ©e and a side item
- As well as anyone in the Milkshake industry
(I love both Potato Salad and Milkshakes, just not at the same time.)

Source:- http://news.yahoo.com/why-seo-best-practices-chocolate-milkshake-134654958.html

Tuesday, 15 January 2013

Azim SEO News: Did You Aware About Keywords vs Tags?

Did you aware about Keywords vs Tags?

Though the two words, Keywords and Tagging are mostly used as a synonym of each other and most people think that these two words are the same, they both are totally different and they both serve two different purposes. They do overlap at some points, and I have explained it below.

Keyword, the cornerstone of your success

Azim Uddin SEO Services- Keywords vs. Tags
Keywords

Keywords are the words, which are searched by people in Internet and those are the "Rich" words, which most of the advertisers required to high-light and show the advertisements. For example, let us take one of the article, "Fire Your Boss - Earn $5000 and Above", in another website. If you open this article, you can see few words like "Earn money online", "Free Money" are all, high-lighted and some ads related to those keywords published along side.

You might have heard of the word SEO almost everywhere in Internet, which means Search Engine Opitmization. This Search Engines job is to crawl through all the websites and find for the keywords. If there are more relevant keywords in a page, it will rank that page highly and push it to the top of the search engine pages like google, yahoo, bing, etc...

Azim Uddin SEO Services- Keywords vs. Tags

So, to summarize again,


Keywords are the one searched mostly in Internet and those are the words used by SEO (Search Engine Optimization) techniques to rank your article. If your article is rich with keywords, then SEO techniques will push them above in the rank, thinking your content is valuable.

But, don't try to fool the SEO, by just dumping more keywords, without any meaning, and no useful content in your website. Because SEO has its own techniques to identify the content, which was just dumped with Keywords and no other fruitful messages.

Azim Uddin SEO Services- Keywords vs. Tags

Tagging - Otherwise Grouping

Tagging

Tag is more like categories. It can also be termed as Labels.


Let us say, you have a blog about cooking. So, you may need to classify your works as "Vegetarian Items", "Non Vegetarian Items", "Fruits and Salads", "Desserts", "Cocktails" and so on. So, each term will become a tag.

By clicking a tag "Fruits and Salads", all those articles, tagged below that category will be shown to the users. So tag helps to group up similar articles together.

For music lovers, I can explain with an example like "Pop Song in one Folder" and "Light music in another Folder".

Azim Uddin SEO Services- Keywords vs. Tags


Where do Keyword and Tag overlaps?

All the Keywords used in your content can be used as a tag. By doing that, your article will come under two or more categories, but still it is useful. For example, a recipe with an apple can come under "Fruits and Salads" as well as "Vegetarian Items". By doing so, you doubles the chances of that particular article, as it will be shown when people come in search of "Fruits and Salads" as well as for those who are in search of "Vegetarian Items".

But not all Tag words can be used as a Keyword. I can use "Vegetarian Items" as a tag for a recipe using apple, but I cannot keep using this word as a keyword in my recipe.

Azim Uddin SEO Services- Keywords vs. Tags

Which is more important? a Keyword or a Tag?

Obviously a Keyword weighs more, as it brings traffic to your site or article. But Tag adds to the value of your page, as it helps to categories your subject.

For example, if some one searches for an article "Keyword Vs Tag", then my article will be shown up in Google search, if my hub about this has rich keyword. But, let us say there are lots of other articles out there in blog already about the same topic, then blog will not push my article up to the hands of Google, if I didn't tag it properly, as blog will not bother about keyword, but minds tagging more, as it categories the hubs accordingly and handles them in that way.

So, the success lies in the use of best keywords in your hub / article and tag them properly, so that the chances of viewing gets doubled.



News Source: http://mythilik.hubpages.com/hub/Difference-between-Keywords-and-Tags-Keywords-vs-Tagging

Thursday, 8 November 2012

Diwali Festival of Lights Wishes By Azim Uddin

On this auspicious
Festival of lights
May the glow of joys
Prosperity and happiness
Illuminated your days
In the year ahead
HAPPY DIWALI.

Azim Uddin SEO Services

May trillions of lamps illuminate our life
With endless joy, prosperity, health & wealth forever
Wishing a very-Very
"HAPPY DIWALI"

Saturday, 3 November 2012

Google Update From 2000 To 2012: Azim Uddin Webmaster

Each year, Google changes its search algorithm up to 500-600 times. While most of these changes are minor, every few months Google rolls out a “major” algorithmic update that affect search results in significant ways.

For search marketers, knowing the dates of these Google updates can help explain changes in rankings and organic website traffic. Below, we've listed the major algorithmic changes that made the biggest impacts on search. Understanding these updates can help with search engine optimization.


2012 Updates

Page Layout #2 — October 9, 2012

Google announced an update to its original page layout algorithm change back in January, which targeted pages with too many ads above the fold. It's unclear whether this was an algorithm change or a Panda-style data refresh.

Penguin #3 — October 5, 2012

After suggesting the next Penguin update would be major, Google released a minor Penguin data update, impacting "0.3% of queries". Penguin update numbering was rebooted, similar to Panda - this was the 3rd Penguin release.

August/September 65-Pack — October 4, 2012

Google published their monthly (bi-monthly?) list of search highlights. The 65 updates for August and September included 7-result SERPs, Knowledge Graph expansion, updates to how "page quality" is calculated, and changes to how local results are determined.

Exact-Match Domain (EMD) Update — September 27, 2012

Google announced a change in the way it was handling exact-match domains (EMDs). This led to large-scale devaluation, reducing the presence of EMDs in the MozCast data set by over 10%. Official word is that this change impacted 0.6% of queries (by volume).

Panda #20 — September 27, 2012

Overlapping the EMD update, a fairly major Panda update (algo + data) rolled out, officially affecting 2.4% of queries. As the 3.X series was getting odd, industry sources opted to start naming Panda updates in order (this was the 20th).

Panda 3.9.2 — September 18, 2012

Google rolled out another Panda refresh, which appears to have been data-only. Ranking flux was moderate but not on par with a large-scale algorithm update.

Panda 3.9.1 — August 20, 2012

Google rolled out yet another Panda data update, but the impact seemed to be fairly small. Since the Panda 3.0 series ran out of numbers at 3.9, the new update was dubbed 3.9.1.

7-Result SERPs — August 14, 2012

Google made a significant change to the Top 10, limiting it to 7 results for many queries. Our research showed that this change rolled out over a couple of days, finally impacting about 18% of the keywords we tracked.

DMCA Penalty — August 10, 2012

Google announced that they would start penalizing sites with repeat copyright violations, probably via DMCA takedown requests. Timing was stated as "starting next week" (8/13?).

June/July 86-Pack — August 10, 2012

After a summer hiatus, the June and July Search Quality Highlights were rolled out in one mega-post. Major updates included Panda data and algorithm refreshes, an improved rank-ordering function (?), a ranking boost for "trusted sources", and changes to site clustering.

Panda 3.9 — July 24, 2012

A month after Panda 3.8, Google rolled out a new Panda update. Rankings fluctuated for 5-6 days, although no single day was high enough to stand out. Google claimed ~1% of queries were impacted.

Link Warnings — July 19, 2012

In a repeat of March/April, Google sent out a large number of unnatural link warnings via Google Webmaster Tools. In a complete turn-around, they then announced that these new warnings may not actually represent a serious problem.

Panda 3.8 — June 25, 2012

Google rolled out another Panda data refresh, but this appeared to be data only (no algorithm changes) and had a much smaller impact than Panda 3.7.

Panda 3.7 — June 8, 2012

Google rolled out yet another Panda data update, claiming that less than 1% of queries were affect. Ranking fluctuation data suggested that the impact was substantially higher than previous Panda updates (3.5, 3.6).

May 39-Pack — June 7, 2012

Google released their monthly Search Highlights, with 39 updates in May. Major changes included Penguin improvements, better link-scheme detection, changes to title/snippet rewriting, and updates to Google News.

Penguin 1.1 — May 25, 2012

Google rolled out its first targeted data update after the "Penguin" algorithm update. This confirmed that Penguin data was being processed outside of the main search index, much like Panda data.

Knowledge Graph — May 16, 2012

In a major step toward semantic search, Google started rolling out "Knowledge Graph", a SERP-integrated display providing supplemental object about certain people, places, and things. Expect to see "knowledge panels" appear on more and more SERPs over time. Also, Danny Sullivan's favorite Trek is ST:Voyager?!

April 52-Pack — May 4, 2012

Google published details of 52 updates in April, including changes that were tied to the "Penguin" update. Other highlights included a 15% larger "base" index, improved pagination handling, and a number of updates to sitelinks.

Panda 3.6 — April 27, 2012

Barely a week after Panda 3.5, Google rolled out yet another Panda data update. The implications of this update were unclear, and it seemed that the impact was relatively small.

Penguin — April 24, 2012

After weeks of speculation about an "Over-optimization penalty", Google finally rolled out the "Webspam Update", which was soon after dubbed "Penguin." Penguin adjusted a number of spam factors, including keyword stuffing, and impacted an estimated 3.1% of English queries.

Panda 3.5 — April 19, 2012

In the middle of a busy week for the algorthim, Google quietly rolled out a Panda data update. A mix of changes made the impact difficult to measure, but this appears to have been a fairly routine update with minimal impact.

Parked Domain Bug — April 16, 2012

After a number of webmasters reported ranking shuffles, Google confirmed that a data error had caused some domains to be mistakenly treated as parked domains (and thereby devalued). This was not an intentional algorithm change.

March 50-Pack — April 3, 2012

Google posted another batch of update highlights, covering 50 changes in March. These included confirmation of Panda 3.4, changes to anchor-text "scoring", updates to image search, and changes to how queries with local intent are interpreted.

Panda 3.4 — March 23, 2012

Google announced another Panda update, this time via Twitter as the update was rolling out. Their public statements estimated that Panda 3.4 impacted about 1.6% of search results.

Search Quality Video — March 12, 2012

This wasn't an algorithm update, but Google published a rare peek into a search quality meeting. For anyone interested in the algorithm, the video provides a lot of context to both Google's process and their priorities. It's also a chance to see Amit Singhal in action.

Panda 3.3 — February 27, 2012

Google rolled out another post-"flux" Panda update, which appeared to be relatively minor. This came just 3 days after the 1-year anniversary of Panda, an unprecedented lifespan for a named update.

February 40-Pack (2) — February 27, 2012

Google published a second set of "search quality highlights" at the end of the month, claiming more than 40 changes in February. Notable changes included multiple image-search updates, multiple freshness updates (including phasing out 2 old bits of the algorithm), and a Panda update.

Venice — February 27, 2012

As part of their monthly update, Google mentioned code-name "Venice". This local update appeared to more aggressively localize organic results and more tightly integrate local search data. The exact roll-out date was unclear.

February 17-Pack — February 3, 2012

Google released another round of "search quality highlights" (17 in all). Many related to speed, freshness, and spell-checking, but one major announcement was tighter integration of Panda into the main search index.

Ads Above The Fold — January 19, 2012

Google updated their page layout algorithms to devalue sites with too much ad-space above the "fold". It was previously suspected that a similar factor was in play in Panda. The update had no official name, although it was referenced as "Top Heavy" by some SEOs.

Panda 3.2 — January 18, 2012

Google confirmed a Panda data update, although suggested that the algorithm hadn't changed. It was unclear how this fit into the "Panda Flux" scheme of more frequent data updates.

Search + Your World — January 10, 2012

Google announced a radical shift in personalization - aggressively pushing Google+ social data and user profiles into SERPs. Google also added a new, prominent toggle button to shut off personalization.

January 30-Pack — January 5, 2012

Google announced 30 changes over the previous month, including image search landing-page quality detection, more relevant site-links, more rich snippets, and related-query improvements. The line between an "algo update" and a "feature" got a bit more blurred.

2011 Updates

December 10-Pack — December 1, 2011

Google outlined a second set of 10 updates, announcing that these posts would come every month. Updates included related query refinements, parked domain detection, blog search freshness, and image search freshness. The exact dates of each update were not provided.

Panda 3.1 — November 18, 2011

After Panda 2.5, Google entered a period of "Panda Flux" where updates started to happen more frequently and were relatively minor. Some industry analysts called the 11/18 update 3.1, even though there was no official 3.0. For the purposes of this history, we will discontinue numbering Panda updates except for very high-impact changes.

10-Pack of Updates — November 14, 2011

This one was a bit unusual. In a bid to be more transparent, Matt Cutts released a post with 10 recent algorithm updates. It's not clear what the timeline was, and most were small updates, but it did signal a shift in how Google communicates algorithm changes.

Freshness Update — November 3, 2011

Google announced that an algorithm change rewarding freshness would impact up to 35% of queries (almost 3X the publicly stated impact of Panda 1.0). This update primarly affected time-sensitive results, but signalled a much stronger focus on recent content.

Query Encryption — October 18, 2011

Google announced they would be encrypting search queries, for privacy reasons. Unfortunately, this disrupted organic keyword referral data, returning "(not provided)" for some organic traffic. This number increased in the weeks following the launch.

Panda "Flux" — October 5, 2011

Matt Cutts tweeted: "expect some Panda-related flux in the next few weeks" and gave a figure of "~2%". Other minor Panda updates occurred on 10/3, 10/13, and 11/18.

Panda 2.5 — September 28, 2011

After more than month, Google rolled out another Panda update. Specific details of what changed were unclear, but some sites reported large-scale losses.

516 Algo Updates — September 21, 2011

This wasn't an update, but it was an amazing revelation. Google CEO Eric Schmidt told Congress that Google made 516 updates in 2010. The real shocker? They tested over 13,000 updates.

Pagination Elements — September 15, 2011

To help fix crawl and duplication problems created by pagination, Google introduced the rel="next" and rel="prev" link attributes. Google also announced that they had improved automatic consolidation and canonicalization for "View All" pages.

Expanded Sitelinks — August 16, 2011

After experimenting for a while, Google officially rolled out expanded site-links, most often for brand queries. At first, these were 12-packs, but Google appeared to limit the expanded site-links to 6 shortly after the roll-out.

Panda Goes Global (2.4) — August 12, 2011

Google rolled Panda out internationally, both for English-language queries globally and non-English queries except for Chinese, Japanese, and Korean. Google reported that this impacted 6-9% of queries in affected countries.

Panda 2.3 — July 23, 2011

Webmaster chatter suggested that Google rolled out yet another update. It was unclear whether new factors were introduced, or this was simply an update to the Panda data and ranking factors. 

Google+ — June 28, 2011

After a number of social media failures, Google launched a serious attack on Facebook with Google+. Google+ revolved around circles for sharing content, and was tightly integrated into products like Gmail. Early adopters were quick to jump on board, and within 2 weeks Google+ reached 10M users.

Panda 2.2 — June 21, 2011

Google continued to update Panda-impacted sites and data, and version 2.2 was officially acknowledged. Panda updates occurred separately from the main index and not in real-time, reminiscent of early Google Dance updates.

Schema.org — June 2, 2011

Google, Yahoo and Microsoft jointly announced support for a consolidated approach to structured data. They also created a number of new "schemas", in an apparent bid to move toward even richer search results.

Panda 2.1 — May 9, 2011

Initially dubbed “Panda 3.0”, Google appeared to roll out yet another round of changes. These changes weren’t discussed in detail by Google and seemed to be relatively minor.
Google Panda 3.0 (SERoundtable)

Panda 2.0 — April 11, 2011

Google rolled out the Panda update to all English queries worldwide (not limited to English-speaking countries). New signals were also integrated, including data about sites users blocked via the SERPs directly or the Chrome browser.

The +1 Button — March 30, 2011

Responding to competition by major social sites, including Facebook and Twitter, Google launched the +1 button (directly next to results links). Clicking [+1] allowed users to influence search results within their social circle, across both organic and paid results.

Panda/Farmer — February 23, 2011

A major algorithm update hit sites hard, affecting up to 12% of search results (a number that came directly from Google). Panda seemed to crack down on thin content, content farms, sites with high ad-to-content ratios, and a number of other quality issues. Panda rolled out over at least a couple of months, hitting Europe in April 2011.

Attribution Update — January 28, 2011

In response to high-profile spam cases, Google rolled out an update to help better sort out content attribution and stop scrapers. According to Matt Cutts, this affected about 2% of queries. It was a clear precursor to the Panda updates.
Latest Google Algorithm change (Search News Central)

Overstock.com Penalty — January 2011

In a rare turn of events, a public outing of shady SEO practices by Overstock.com resulted in a very public Google penalty. JCPenney was hit with a penalty in February for similar bad behavior. Both situations represented a shift in Google's attitude and foreshadowed the Panda update.

2010 Updates

Social Signals — December 2010

Google and Bing confirmed that they use social signals in determining ranking, including data from Twitter and Facebook. Matt Cutts confirmed that this was a relatively new development for Google, although many SEOs had long suspected it would happen.

Negative Reviews — December 2010

After an expose in the New York Times about how e-commerce site DecorMyEyes was ranking based on negative reviews, Google made a rare move and reactively adjusted the algorithm to target sites using similar tactics.

Instant Previews — November 2010

A magnifying glass icon appeared on Google search results, allowing search visitors to quickly view a preview of landing pages directly from SERPs. This signaled a renewed focus for Google on landing page quality, design, and usability.

Google Instant — September 2010

Expanding on Google Suggest, Google Instant launched, displaying search results as a query was being typed. SEOs everywhere nearly spontaneously combusted, only to realize that the impact was ultimately fairly small.

Brand Update — August 2010

Although not a traditional algorithm update, Google started allowing the same domain to appear multiple times on a SERP. Previously, domains were limited to 1-2 listings, or 1 listing with indented results.

Caffeine (Rollout) — June 2010

After months of testing, Google finished rolling out the Caffeine infrastructure. Caffeine not only boosted Google's raw speed, but integrated crawling and indexation much more tightly, resulting in (according to Google) a 50% fresher index.

May Day — May 2010

In late April and early May, webmasters noticed significant drops in their long-tail traffic. Matt Cutts later confirmed that May Day was an algorithm change impacting the long-tail. Sites with large-scale thin content seemed to be hit especially hard, foreshadowing the Panda update.

Google Places — April 2010

Although "Places" pages were rolled out in September of 2009, they were originally only a part of Google Maps. The official launch of Google Places re-branded the Local Business Center, integrated Places pages more closely with local search results, and added a number of features, including new local advertising options.

2009 Updates

Real-time Search — December 2009

This time, real-time search was for real- Twitter feeds, Google News, newly indexed content, and a number of other sources were integrated into a real-time feed on some SERPs. Sources continued to expand over time, including social media.

Caffeine (Preview) — August 2009

Google released a preview of a massive infrastructure change, designed to speed crawling, expand the index, and integrate indexation and ranking in nearly real-time. The timeline spanned months, with the final rollout starting in the US in early 2010 and lasting until the summer.

Rel-canonical Tag — February 2009

Google, Microsoft, and Yahoo jointly announced support for the Canonical Tag, allowing webmasters to send canonicalization signals to search bots without impacting human visitors.

Vince — February 2009

SEOs reported a major update that seemed to strongly favor big brands. Matt Cutts called Vince a "minor change", but others felt it had profound, long-term implications.

2008 Updates

Google Suggest — August 2008

In a major change to their logo-and-a-box home-page Google introduced Suggest, displaying suggested searches in a dropdown below the search box as visitors typed their queries. Suggest would later go on to power Google Instant.

Dewey — April 2008

A large-scale shuffle seemed to occur at the end of March and into early April, but the specifics were unclear. Some suspected Google was pushing its own internal properties, including Google Books, but the evidence of that was limited.

2007 Updates

Buffy — June 2007

In honor of Vanessa Fox leaving Google, the "Buffy" update was christened. No one was quite sure what happened, and Matt Cutts suggested that Buffy was just an accumulation of smaller changes.
SMX Seattle wrap-up (MattCutts.com)

Universal Search — May 2007

While not your typical algorithm update, Google integrated traditional search results with News, Video, Images, Local, and other verticals, dramatically changing their format. The old 10-listing SERP was officially dead. Long live the old 10-listing SERP.

2006 Updates

False Alarm — December 2006

There were stirrings about an update in December, along with some reports of major ranking changes in November, but Google reported no major changes.

Supplemental Update — November 2006

Throughout 2006, Google seemed to make changes to the supplemental index and how filtered pages were treated. They claimed in late 2006 that supplemental was not a penalty (even if it sometimes felt that way).

2005 Updates

Big Daddy — December 2005

Technically, Big Daddy was an infrastructure update (like the more recent "Caffeine"), and it rolled out over a few months, wrapping up in March of 2006. Big Daddy changed the way Google handled URL canonicalization, redirects (301/302) and other technical issues.
Indexing timeline (MattCutts.com)

Jagger — October 2005

Google released a series of updates, mostly targeted at low-quality links, including reciprocal links, link farms, and paid links. Jagger rolled out in at least 3 stages, from roughly September to November of 2005, with the greatest impact occurring in October.

Google Local/Maps — October 2005

After launching the Local Business Center in March 2005 and encouraging businesses to update their information, Google merged its Maps data into the LBC, in a move that would eventually drive a number of changes in local SEO.

Gilligan — September 2005

Also called the "False" update ? webmasters saw changes (probably ongoing), but Google claimed no major algorithm update occurred. Matt Cutts wrote a blog post explaining that Google updated (at the time) index data daily but Toolbar PR and some other metrics only once every 3 months.
What?s an update? (MattCutts.com)

Personalized Search — June 2005

Unlike previous attempts at personalization, which required custom settings and profiles, the 2005 roll-out of personalized search tapped directly into users? search histories to automatically adjust results. Although the impact was small at first, Google would go on to use search history for many applications.

XML Sitemaps — June 2005

Google allowed webmasters to submit XML sitemaps via Webmaster Tools, bypassing traditional HTML sitemaps, and giving SEOs direct (albeit minor) influence over crawling and indexation.

Bourbon — May 2005

"GoogleGuy" (likely Matt Cutts) announced that Google was rolling out "something like 3.5 changes in search quality." No one was sure what 0.5 of a change was, but Webmaster World members speculated that Bourbon changed how duplicate content and non-canonical (www vs. non-www) URLs were treated.
Google Update "Bourbon" (Batelle Media)

Allegra — February 2005

Webmasters witnessed ranking changes, but the specifics of the update were unclear. Some thought Allegra affected the "sandbox" while others believed that LSI had been tweaked. Additionally, some speculated that Google was beginning to penalize suspicious links.

Nofollow — January 2005

To combat spam and control outbound link quality, Google, Yahoo, and Microsoft collectively introduce the "nofollow" attribute. Nofollow helps clean up unvouched for links, including spammy blog comments. While not a traditional algorithm update, this change gradually has a significant impact on the link graph.

2004 Updates

Google IPO — August 2004

Although obviously not an algorithm update, a major event in Google's history - Google sold 19M shares, raised $1.67B in capital, and set their market value at over $20B. By January 2005, Google share prices more than doubled.

Brandy — February 2004

Google rolled out a variety of changes, including a massive index expansion, Latent Semantic Indexing (LSI), increased attention to anchor text relevance, and the concept of link "neighborhoods." LSI expanded Google's ability to understand synonyms and took keyword analysis to the next level.

Austin — January 2004

What Florida missed, Austin came in to clean up. Google continued to crack-down on deceptive on-page tactics, including invisible text and META-tag stuffing. Some speculated that Google put the "Hilltop" algorithm into play and began to take page relevance seriously.

2003 Updates

Florida — November 2003

This was the update that put updates (and probably the SEO industry) on the map. Many sites lost ranking, and business owners were furious. Florida sounded the death knell for low-value late 90s SEO tactics, like keyword stuffing, and made the game a whole lot more interesting.

Supplemental Index — September 2003

In order to index more documents without sacrificing performance, Google split off some results into the "supplemental" index. The perils of having results go supplemental became a hotly debated SEO topic, until the index was later reintegrated.

Fritz — July 2003

The monthly "Google Dance" finally came to an end with the "Fritz" update. Instead of completely overhauling the index on a roughly monthly basis, Google switched to an incremental approach. The index was now changing daily.

Esmerelda — June 2003

This marked the last of the regular monthly Google updates, as a more continuous update process began to emerge. The "Google Dance" was replaced with "Everflux". Esmerelda probably heralded some major infrastructure changes at Google.

Dominic — May 2003

While many changes were observed in May, the exact nature of Dominic was unclear. Google bots "Freshbot" and "Deepcrawler" scoured the web, and many sites reported bounces. The way Google counted or reported backlinks seemed to change dramatically.

Cassandra — April 2003

Google cracked down on some basic link-quality issues, such as massive linking from co-owned domains. Cassandra also came down hard on hidden text and hidden links.

Boston — February 2003

Announced at SES Boston, this was the first named Google update. Originally, Google aimed at a major monthly update, so the first few updates were a combination of algorithm changes and major index refreshes (the so-called "Google Dance"). As updates became more frequent, the monthly idea quickly died.

2002 Updates

1st Documented Update — September 2002

Before "Boston" (the first named update), there was a major shuffle in the Fall of 2002. The details are unclear, but this appeared to be more than the monthly Google Dance and PageRank update. As one webmaster said of Google: "they move the toilet mid stream".

2000 Updates

Google Toolbar — December 2000

Guaranteeing SEO arguments for years to come, Google launched their browser toolbar, and with it, Toolbar PageRank (TBPR). As soon as webmasters started watching TBPR, the Google Dance began.

Source with courtsy URL:  http://www.seomoz.org/google-algorithm-change#view-all

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