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Trending Update How Search Engine Work
1. SEO assignment
Usingtheirownwebcrawlers,searchenginescrawl hundredsof billionsof pages.Searchengine
botsor spidersare frequentnamesforthese webcrawlers.A searchengine navigatesthe internet
by downloadingwebpagesandthenfollowinglinksonthose sitestofindnew pagesthathave
become available.
A searchengine isa programme thatuseskeywordsorphrasesto assistusersdiscoverthe
informationthey're lookingfor onthe internet.Bycontinuouslymonitoringthe Internetand
indexingeverypage theyencounter,searchenginesare able todeliverresultsquickly—evenwith
millionsof websitesonline.
A searchengine isa web-basedtool thathelpspeople findinformationonthe internet.Google,
Yahoo!,and MSN Searchare all popularsearchengines.A searchengine isawebsite thatallows
usersto searchthe WorldWide Webalsoknownas the Internet,forinformation.The searchengine
will accomplishthisbyscanninga large numberof webpagesformatchesto the user'ssearchterms.
Types of search engine
Crawler-basedsearchengines,human-powereddirectories,andhybridsearchenginesare all
referredtoas "searchengines"inthe same way.These typesof searchenginescompiletheirresults
ina varietyof methods.
Crawler-based searches.
Thissearch engine usesaSPIDERor a CRAWLER to search the internet.The CRAWLERdigs
throughindividualwebpages,pulloutkeywordandthenaddsthe pagestothe searchengines.
examplesof CRAWLERsearchengine Database,GOOGLEand YAHOOare the
Human-powered directories.
Directoriesdependsonhumaneditorstocreate theirlistingsorthe database.
Example- YAHOOdirectory,OPEN directoryandLOOKSMART
Human powered directoriesare goodwhenyouare interestedinageneral topicof search
• Hybrid searches.
Hybridsearchengine are searchenginesthatuse both crawlerbasedsearchesanddirectory search
to obtaintheirresults.
Example- yahoo.comandgoogle.com
Meta search engine
These transmitusersuppliedkeywordssimultaneouslytoseveral individual searchenginesto
actuallycarry out the search.
HOW SEARCH ENGINE WORK
2. Searchresultsreturnedfromall the searchenginescanbe integratedduplicatescanbe
eliminatedandadditional featuressuchasclusteringbysubjectswithinthe searchresults can
be implementedbymetasearchengines.
Example- dogpile,Metacrawler.
The best search engine in the world:
1) GOOGLE
2) BING
3) YAHOO
4) YANDEX
5) BAIDU
6) ASK
7) DUCKDUCKGO
8) NAVER
Google- Google assessesthe value of awebpage basedonthe numberof backlinks i.e. links
back to yourwebsite.Linksfrompagesthatare seenas importantbyGoogle weighmore heavily
and increase the rankingof the linkedpages.Googlealsoanalysesthe relevancyof the content
on the page and otherfactors like mobile-friendliness.The Google rankingalgorithmchanges
constantly.Itcan be useful tokeepuptodate withthe latestchanges.
• Bing- Microsoft'sBingsearch engine rankswebsitesbasedonthe webpagecontent,the number
and qualityof websitesthatlinktoyourpages,andthe relevance of yourwebsite'scontentto
keywords.
• Yahoo! - Yahoo!is nowpoweredbyBing.Google hasthe vast majorityof the searchmarket
share.Bing,Yahoo andothersmake up a much smallerpercentage.
What are the process of using the search engine?
The majorityof search enginesworkinthree steps:
• Crawling- searchenginestrawl the internetusingprogrammesknownasspiders,bots,or
crawlers.Theymaydo thiseveryfewdays,socontentonyour website maybecome out-of-date
until theycrawl itagain.
• Indexing- a search engine willuse keywordstotryto comprehendandcategorise the contentona
webpage.FollowingSEObestpractiseswill assistthe searchengine incomprehendingyourcontent,
allowingyoutorank forthe appropriate searchqueries.
• Ranking - searchresultsare rankedaccordingto a varietyof criteria.Keyworddensity,speed,and
linkagesare examplesof these factors.The goal of the searchengine istoofferthe mostrelevant
resulttothe user.
Althoughmostsearchengineswill provide youadvice onhow toenhance yourpage'srating,the
actual algorithmsthatare utilisedare closelyguardedandchange regularlytopreventabuse.
However, Youmay secure the followingbyadoptingsearchengineoptimization(SEO) best
practises:
• Searchengineswillhave notrouble crawlingyoursite.Youcanalsomake themcrawl brand-new
content
3. • Your material isindexedforthe properkeywords,allowingittoshow up inrelevantsearches.
searches.
• Your contenthasa goodchance of rankinghighinthe SERPs.
What does a crawler do in SEO?
Crawlers.A crawleristhe name givento a programme usedbysearch enginestocollectandindex
data fromthe internet.A crawlerwill visitasite afterclickingonalink.The crawlerthenreadsthe
textand embeddedlinksonthe site before followingthe linksawayfromit.
To findpubliclyavailablewebpages,we use software knownaswebcrawlers.Crawlersexamine
webpagesandfollow linksonthose pagesinthe same waythat youwouldif youwere exploringthe
webforinformation.Theyhopfromone linktothe next,sendinginformationaboutthe websitesto
Google'scomputers.Crawlingsimplymeanstravellingforwardandbackwardto examine all of the
contenton anywebsite ascodingor inHTML form of readingthe website incodingsothatonce a
personasksa questionof a searchengine,itoffersthe bestanswerinthe formof ranking.
What is Search Index Ranking?
Define Indexing.Searchenginesuse anindex,whichisamassive database of all the information
theyfind,toanalyse andstore the informationtheyfind.
Index ranking- When a userconductsa search,searchenginesexplore itsindex forhighly
relevantcontent,whichisthenorderedinthe hopesof answeringthe searcher'squestion.Ranking
isthe processof sortingsearchresultsbyrelevance.Ingeneral,the higherawebsite'sranking,the
more relevantthe searchengine considersthe site tobe tothe query.the stuff they've foundand
deemedworthyof deliveringtosearchers
Google triestofigure outwhat a page is aboutafterit isdiscovered.Indexingisthe termforthis
procedure.Google examinesthe page'scontentandcataloguesanyphotosorvideoassetsthatare
embeddedonit. Indexingisthe termforthisprocedure.Google examinesthe page'stext,
cataloguesimagesandvideofilesincludedonthe page,andattemptsto comprehendthe page in
general.
What is relevancy score promotional score and retrieval data?
Relevancy score - meansthat contentshouldbe accordingto the algorithmof google.You
have to optimise yourcontent of webpage onthose keywordswhichhasmaximumsearchvolume
accordingto the algorithmof google rankfirstonsearchengine resultpage.InRelevancyscore,we
have to increase the relevancyscore intermsof the contentwiththe keywords
Example - For example,if yousellfootwear,youcanmake sure people searchingforkeywordslike
“sneakers”or“women’sboots”knowyouraudience first.
Promotional score- Anassessmentof awebsite isdone onthe basisof itsauthority.Intermsof
promotiononthe otherwebsite (same niche) withthe same keyword.Promotionshouldbe done
4. accordingto the algorithmof google.Youhave totake the backlink(reference) fromthe
authoritative websiteonthose keywordsonwhichyouwantedauthoritytorankfirston SERP.The
more you getthe backlinksthe higherisyourpromotional score.
BusinessOptimizesYourWebsite AccordingtoThe AlgorithmtoGetBetterRankinginsearch
engine (Bing,yahoo,google)
Behindeverykeywordisahiddenaudience,user,customer,or consumer.
Keywordbringsmaximumtrafficat1st rank withmaximumclicksandmaximumsales.
Rankingfactors= relevance score (contentshouldbe relevant) +keyword(shouldbe high
searchvolume)
Retrieval data Retrieval isbasicallywhenthe searchengine getsaquery,looksoverit's
index database andregurgitateswhateverisrelevanttothe searchterms(orkeywords).Itis
a critical functionof the search engine forusend-usersbecause thisiswhatwe use search
enginesfor
Pre- specialization 015
7/JAN/2022 7:00AM TO 8:35AM
Trainer- sir Shabazz
Assignment- how search engine work
Thanks sir
Your student- Fatima Ayesha Team f