years ago 1994 headquarters bath united kingdom area served united states uk mainland europe middle east asia pacific latin america founder s mike prettejohn key people mike prettejohn ceo mandy davis coo services anti phishing services internet research pci audit & web apps security test website http www.netcraft.com available in english netcraft is an internet services company based in bath england . netcraft provides web server and web hosting market share analysis including web server and operating system detection . in some cases depending on the queried server s operating system their service is able to monitor uptimes ; 1 uptime performance monitoring is a commonly used factor in determining the reliability of a web hosting provider . 2 netcraft also provides security testing and publishes news releases about the state of various networks that make up the internet . the company is also known for its free anti phishing toolbar for the firefox internet explorer and chrome browsers . starting with version 9.5 the built in anti phishing filter in the opera browser uses the same data as netcraft s toolbar eliminating the need for a separately installed toolbar . a study commissioned by microsoft concluded that netcraft s toolbar was among the most effective tools to combat phishing on the internet although this has since been superseded by microsoft s own internet explorer 7 with microsoft phishing filter 3 possibly as a result of licensing netcraft s data . 4 the service can only process public ipv4 servers at the exclusion of ipv6 . the browser extensions will display security information for a domain s ipv4 servers even when the user is connected to a different server over ipv6 . 5 see also edit anti phishing software references edit hosting providers network performance . retrieved 2007 02 18 . the best web hosting companies . archived from the original on 9 march 2008 . retrieved 2008 01 24 . 3sharp study finds internet explorer 7 edges out netcraft as most accurate for anti phishing protection . retrieved 2008 05 25 . dead link netcraft phishing feed to protect microsoft customers . retrieved 2008 05 25 . aleksandersen daniel 2016 07 19 . netcraft anti phishing toolbar information misleading in ipv6 enabled networks . slight future . retrieved 2016 07 23 . external links edit netcraft website this technology article about a corporation or company is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title netcraft & oldid 737584007 categories internet companiesprivately held companies of the united kingdomcompanies established in 1994technological company stubshidden categories all articles with dead external linksarticles with dead external links from september 2016use dmy dates from december 2013use british english from december 2013all stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages deutschespa olfran aisitalianonederlandsportugu s svenska edit links this page was last modified on 3 september 2016 at 19 51 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view