www.nasa.gov site info, backlinks, seo

www.nasa.gov - nasa - home

Description: nasa.gov brings you images, videos and interactive features from the unique perspective of america’s space agency. get the latest updates on nasa missions, subscribe to blogs, rss feeds and podcasts, watch nasa tv live, or simply read about our mission to pioneer the future in space exploration, scientific discovery and aeronautics research.

www.nasa.gov scores a 6,5 out of 10 on our optimalisation scale. This is a little above average. We have identified 54 keywords. This page seems optimized for the keyword 'nasa'

summary

This is the summary of our www.nasa.gov analysis. Please check for detailed info under their tabs.

www.nasa.gov seo score expained

Below are the scores we calculated for different parts of www.nasa.gov.

If any score is below 100 optimalisation is possible. If any score is below 40 improving this score should be a priority. Not all scores are weighted equally in our final SEO score. More detailed information for any suggestion can be count under the tabs. Relatively unimportant optimalisation tips are not included in this summary.

	Item	Score	Factor	Suggestion
	PageTitle	100	0,3	Far too many sites lack a page title. A page title is the first thing that shows in the search results so always use the title element.
	Title relevance	65	2,3	A title should reflect the contents of a site. This site has a 50 % match
	Title Length	10	0,7	Try to keep your title between 40 and 66 characters. Your title was 14 characters long
	Meta Description	100	0,2	A meta description is the second thing that shows in the search results so always use the meta description.
	Meta Description Length	50	0,7	The meta description should be between 145 and 160 characters. This meta description was 347 characters long
	Meta description relevance	31	0,7	Meta Description should reflect the contents of a site. This site has a 24 % match
	Number of internal links	100	3,3	Linking to internal pages makes pages easier to find for search engines. Try to keep the number of links on your page roughly below 100. There are 90 internal links on this page.
	Folder structure	100	1,4	We found a folder structure in the links on your page. A good folder structure makes a site easier to navigate. We found 15 level 1 folders and 61 folders above or in the first level of navigation.
	Headings	65	1,6	Headers should reflect the contents of a site. This site has a 36 % match
	Links	63	1,6	Link anchors should to some degree reflect the contents of a site. This site has a 21 % match
	Image alt tags	66	0,5	Image alt tags should to some degree reflect the contents of a site. This site has a 22 % match
	Bold and italic	36	0,4	Bold and italic tags should to some degree reflect the contents of a site. This site has a 9 % match
	Html ratio	0	1,1	Try to keep the html / text ratio as low as possible. More html means longer loading times. Layout should be handled in a serpate css file
	Page errors	34	2	If this score is not 100 check the html very carefully. We found 132 errors and warnings
	WordCount	100	1,1	An ideal page contains between 400 and 600 words.This page contains 463 words

www.nasa.gov html info

HTML stands for Hypertext Markup Language, a standardized system for tagging text files to achieve font, color, graphic, and hyperlink effects on World Wide Web pages.

Html / text ratio

Try to keep your html as short as possible. Html only describes your content. There is no benefit in having a page with lots of html tags. A bloated page will slow down your site and harm user experience.

The html ratio of this page is 16,81

Page Errors

Html errors at best slow down your website (since a browser has to guess at the meaning) and in worst case render your page unviewable. Therefor make shure there are no html errors on your page !

Repair broken html

Backlink analysis for www.nasa.gov

Backlinks leading into a domain are of great important for the search engine results of a page. Each link from a website counts as a 'vote' for that websites. Links from trusted, related and high quality domains have more weight then other links.
Gathering links is often referred to as link building. If you do not have enought quility links to a domain you better start to build those links !

There are currently 0 links leading into www.nasa.gov There are a below average amount of backinks. Link building should be a priority for this site. Try to get links from hight quality websites to your site.

Links to external pages from www.nasa.gov

www.nasa.gov javascript info

Javascript is a scripting language to enable Web authors to design interactive sites. On this page we found 38 external javascripts and 38 internal javascripts on www.nasa.gov

Javascripts in the head of the page

The following js files were found on this page:

http://www.nasa.gov/js/196918main_browser_message.js
http://www.nasa.gov/templateimages/redesign/browser/js/conditionalbrowser.js
http://www.nasa.gov/js/191731main_prototype.js
http://www.nasa.gov/js/191696main_builder.js
http://www.nasa.gov/js/191704main_effects.js
http://www.nasa.gov/js/191701main_dragdrop.js
http://www.nasa.gov/js/191738main_slider.js
http://www.nasa.gov/js/191739main_sound.js
http://www.nasa.gov/js/191698main_controls.js
http://www.nasa.gov/js/194940main_roundedmorph.js
http://www.nasa.gov/js/191745main_transitions.js
http://www.nasa.gov/js/191713main_global.js
http://www.nasa.gov/js/191734main_scrollregion.js
http://www.nasa.gov/js/191730main_prettycounter.js
http://www.nasa.gov/js/191737main_skinnedselect.js
http://www.nasa.gov/js/191695main_blinds.js
http://www.nasa.gov/js/194933main_floatinginfoclass.js
http://www.nasa.gov/js/191742main_tabs.js
http://www.nasa.gov/js/191702main_dropdownmenu.js
http://www.nasa.gov/js/207309main_club1_homepage.js
http://www.nasa.gov/js/194938main_may-common_rd.js
http://www.nasa.gov/js/4564main_index.js
http://www.nasa.gov/js/196917main_flash_rd.js
http://www.nasa.gov/js/207088main_club2.js
http://www.nasa.gov/js/202888main_plugindemandtv_new.js
http://www.nasa.gov/js/445945main_jquery-1.4.2.min.js
http://www.nasa.gov/js/327437main_nasahome.js
http://www.nasa.gov/js/359270main_nasaupcomingevents.js
http://www.nasa.gov/js/376043main_nasaimagerotater.js
http://www.nasa.gov/js/478910main_unpacked.js
http://www.nasa.gov/js/2605main_triggerparams.js
http://www.nasa.gov/js/2606main_stdlauncher.js
http://www.nasa.gov/js/196887main_externalsource_header.js
http://www.nasa.gov/js/194928main_showrss.js
http://www.nasa.gov/templateimages/redesign/calendar/js/nasa_calendar.js
http://platform.twitter.com/widgets.js
http://widgets.twimg.com/j/2/widget.js
http://www.nasa.gov/js/196888main_externalsource_footer.js

r-domain advises to combine all javascript to one javascript. Javascripts normally are loaded before the page is displayed. Adding multiple javascript to your page can seriously slow down your website.

www.nasa.gov inline javascript info

/**
* browser detect class
*/
function detectbrowserclass(modern){
var nbrowser = navigator.appname;
var nversion = navigator.appversion;
var nagent = navigator.useragent;
this.version;
this.browser;
this.os;
this.modern = (typeof modern == 'object') == true ? modern:0;
if(nversion.indexof('windows') !=-1){
this.os = 'win';
}else{
this.os = (nversion.indexof('macintosh') !=-1) == true ? 'mac':'other';
}
if (nagent.indexof('opera') !=-1){
var strindex = nagent.indexof('opera');
this.version = nagent.substring((strindex + 6), (strindex + 9));
this.browser = 'opera';
}
else if (nagent.indexof('firefox') !=-1){
var strindex = nagent.indexof('firefox');
this.version = nagent.substring((strindex + 8), (strindex + 11));
this.browser = 'firefox';
}
else if(nagent.indexof('msie') !=-1){
var strindex = nagent.indexof('msie');
this.version = nagent.substring((strindex + 5), (strindex + 8));
this.browser = 'ie';
}
else if (nagent.indexof('safari') !=-1){
if (nagent.indexof('version') !=-1){
var strindex = nagent.indexof('version')
this.version = nagent.substring((strindex + 8), (strindex + 11))
}else{
this.version = 2;
}
this.browser = 'safari';
}
else if (nagent.indexof('netscape') !=-1){
var strindex = nagent.indexof('netscape');
this.version = nagent.substring((strindex + 9), (strindex + 12));
this.browser = 'netscape';
}else{
this.browser = nbrowser.tolowercase();
this.version = null;
}
this.whichbrowser = function (){ return this.browser; }
this.whichversion = function (){ return this.version; }
this.whichos = function (){ return this.os; }
this.getinfo = function (){
var info = "browser name: " + nbrowser + "<br />" +
"browser version: "+ nversion + "<br />" +
"user agent: " + nagent;
return info;
}
this.modernbrowser = function (){
var ismodern = false;
if(typeof(this.modern[this.browser])=='number' || this.version === null){
ismodern = ( this.modern[this.browser] <= this.version || this.version === null ) == true ? true :0;
}
return ismodern;
}
}
// instantiate browser detect
var detectbrowser = new detectbrowserclass({
'opera': 9,
'safari': 2,
'firefox': 1.5,
'ie': 6
});
/* support legacy browsers*/
if(detectbrowser.modernbrowser() == true){
var css = '<link href="/css/207071main_allpages.css" rel="stylesheet" type="text/css" />';
if(detectbrowser.whichbrowser()=='firefox'){
css= css + '<link href="/css/207947main_etouch_firefox.css" rel="stylesheet" type="text/css" />';
}


document.write(css);
}else{
document.write(legacymsg);
}

jquery.noconflict();

poll();

var search_list = [ ];

createloginform();

createsearchform();

addmenusupport();

var nasaupcomingeventsxml = "/home/nasa_upcoming_events.xml"; var nasaupcomingeventsitems=''; new ajax.updater('nasa_upcoming_events',nasaupcomingeventsxml, { method:'get', onsuccess: function(transport) { $('nasa_upcoming_events_spinner').hide(); processnasaupcomingevents(transport.responsexml,nasaupcomingeventsitems); }, onfailure: function() { /*$('nasa_coming_up_snippet').hide();*/ $('events-container').hide(); $('feature-container').setstyle({ height: '388px' }); $('main-feature-container').setstyle({ height: '388px' }); $('other-feature-container').setstyle({ height: '388px' }); $$('.other-feature-list').each(function(element){ element.setstyle({ height: '62px' }); }); } });

document.getelementbyid('curr_rssurl').value='none';

if ($('nasaimagescurrentitem'))
{
$('nasaimagescurrentitem').value=0;
}

var rssholderid_label='testrss109203';
if (document.getelementbyid(rssholderid_label) != null) {
var rssholder = document.getelementbyid(rssholderid_label).value;
var rssurl=$('curr_rssurl');
if ( rssurl != null) {
var rssurlval=rssurl.value;
if ( rssurlval.length==0 || rssurlval=='none') rssurlval='none';
if ( rssurlval != 'none') {
showblueiconrss(rssholder,rssurlval);
}
}
}

document.getelementbyid('curr_rssurl').value='none';

var nasablogsxml = "/rss/nasa_blogs_recent_postings.xml"; new ajax.updater('nasablogs_recentpostings',nasablogsxml, { method:'get', onsuccess: function(transport) { $('blog_spinner').hide(); processblogrss(transport.responsexml,3,'blogsmodule'); }, onfailure: function() { $('blog_spinner').hide(); $('blog_dynamic_html').hide(); document.getelementbyid('blog_static_html').style.display='block'; document.getelementbyid('blog_static_html').style.visibility='visible'; } });

document.getelementbyid('curr_rssurl').value='none';

var randonnumber=generate_randomnumber("0","6"); document.write('<img src="'+kidsclubimages[randonnumber]+'" name="kidsclubicon" width="154" alt="nasa kids club" title="nasa kids club" src="" height="116" border=0>')

document.getelementbyid('curr_rssurl').value='none';

if ($('nasamultimediaondemandvideoscurrentitem')) { $('nasamultimediaondemandvideoscurrentitem').value=0; } var homepagefeaturedvideosxml = "/rss/featured_videos.xml"; new ajax.updater('homepagefeaturedvideosxml',homepagefeaturedvideosxml, { method:'get', onsuccess: function(transport) { processhomepagefeaturedvideos(transport.responsexml,'homepagefeaturedvideos'); }, onfailure: function() { try{ var featuredvideos='<li id="nasa_multimedia_ondemand0"><a class="img_mul_left" href="javascript:nasahomeprevitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\')"><a id="nasa_multimedia_img_anchor" href="/multimedia/videogallery/index.html?media_id=79936041"><img src="http://cdn-aki.vmixcore.com/imgman.jpg?url=http://cdn-aki.vmixcore.com/423/15623/26/213462631/1421/423/799/f08d949c46a6b5f1fe22e9ee94126d0c.jpg&width=100&height=75&fill=000000000" title="the space shuttle (narrated by william shatner)" alt="the space shuttle (narrated by william shatner)" align="bottom" border="0" height="75" width="100"><a class="img_mul_right" href="javascript:nasahomenextitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\')"><h3>videos<p><a href="/multimedia/videogallery/index.html?media_id=79936041">the space shuttle (narrated by william shatner)<a href="/multimedia/videogallery/index.html" class="nasa_multimedia_more_link"> >&nbsp;more videos<li style="display: none; visibility: hidden;" id="nasa_multimedia_ondemand1"><a class="img_mul_left" href="javascript:nasahomeprevitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\')"><a id="nasa_multimedia_img_anchor" href="/multimedia/videogallery/index.html?media_id=15769086"><img src="http://cdn-aki.vmixcore.com/imgman.jpg?width=100&height=75&fill=000000000&url=http://cdn-aki.vmixcore.com/423/0/26/55540901/781/423/5838/ca09f2a51b6a2272182bbc7d2423dbb6.jpg" title="know your earth" alt="know your earth" align="bottom" border="0" height="75" width="100"><a class="img_mul_right" href="javascript:nasahomenextitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\')"><h3>videos<p><a href="/multimedia/videogallery/index.html?media_id=15769086">know your earth<a href="/multimedia/videogallery/index.html" class="nasa_multimedia_more_link"> >&nbsp;more videos<li style="display: none; visibility: hidden;" id="nasa_multimedia_ondemand2"><a class="img_mul_left" href="javascript:nasahomeprevitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\')"><a id="nasa_multimedia_img_anchor" href="/multimedia/videogallery/index.html?media_id=49065741"><img src="http://cdn-aki.vmixcore.com/imgman.jpg?width=100&height=75&fill=000000000&url=http://cdn-aki.vmixcore.com/423/0/26/109090961/1311/423/6401/318e7957a5553f07969c68d432799c07.jpg" title="nasa edge tribute to the space shuttle" alt="nasa edge tribute to the space shuttle" align="bottom" border="0" height="75" width="100"><a class="img_mul_right" href="javascript:nasahomenextitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\')"><h3>videos<p><a href="/multimedia/videogallery/index.html?media_id=49065741">nasa edge tribute to the space shuttle<a href="/multimedia/videogallery/index.html" class="nasa_multimedia_more_link"> >&nbsp;more videos<div class="nasa_multimedia_box_controls"><a id="ondemand_dot_button0" src="/templateimages/redesign/modules/imagegallery/dot1-light.gif" alt="item 1" title="item 1" class="dot_button active" href="javascript:nasahomecurrentitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\',0)"><span class="hide">1<a id="ondemand_dot_button1" src="/templateimages/redesign/modules/imagegallery/dot1-dark.gif" alt="item 2" title="item 2" class="dot_button inactive" href="javascript:nasahomecurrentitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\',1)"><span class="hide">2<a id="ondemand_dot_button2" src="/templateimages/redesign/modules/imagegallery/dot1-dark.gif" alt="item 3" title="item 3" class="dot_button inactive" href="javascript:nasahomecurrentitem(\'nasa_multimedia_ondemand\',\'nasamultimediaondemandvideoscurrentitem\',3,\'ondemand_dot_button\',2)"><span class="hide">3

if ($('nasamultimediainteractivefeaturescurrentitem')) { $('nasamultimediainteractivefeaturescurrentitem').value=0; }

if ($('nasamultimediavodcastscurrentitem')) { $('nasamultimediavodcastscurrentitem').value=0; }

var rssholderid_label='testrss216211';
if (document.getelementbyid(rssholderid_label) != null) {
var rssholder = document.getelementbyid(rssholderid_label).value;
var rssurl=$('curr_rssurl');
if ( rssurl != null) {
var rssurlval=rssurl.value;
if ( rssurlval.length==0 || rssurlval=='none') rssurlval='none';
if ( rssurlval != 'none') {
showblueiconrss(rssholder,rssurlval);
}
}
}

document.getelementbyid('curr_rssurl').value='none';

document.getelementbyid('curr_rssurl').value='none';

var iframetag = jquery('.twitter-follow-button'); iframetag.attr('title','follow nasa (@nasa) on twitter');

var twitter = new twtr.widget({ version: 2, type: 'profile', rpp: 10, interval: 6000, title: '', subject: '', width: 230, height: 245, theme: { shell: { background: '#545454', color: '#ffffff' }, tweets: { background: '#545454', color: '#ffffff', links: '#99ccff' } }, features: { scrollbar: true, loop: false, live: true, hashtags: true, timestamp: true, avatars: true, behavior: 'all' } }).render().setuser('nasa').start();

jquery(document).ready(function() { if($('twitter_spinner')){ $('twitter_spinner').style.display='none'; } if($('moreupdateslink')){ $('moreupdateslink').style.display='block'; } });

var baynotewidgetxml = "/rss/baynotewidgetstoriescurrentweek.xml"; new ajax.updater('baynote_temp1',baynotewidgetxml, { method:'get', onsuccess: function(transport) { processbaynotedata(transport.responsexml,6,'baynotemodule1','label',0); }, onfailure: function() { $('label0').getelementsbyselector("ul")[0].innerhtml=''; $('label0').getelementsbyselector("ul")[0].innerhtml='<div style="margin: 125px 15px 0 15px">error loading baynote widget data

try{ event.observe(window, 'load', function() { if ($('label0')){ if ($('label0').style.display != 'none' && $('label0').getelementsbyselector("div")[1]){ var scrollbar=new scrollregion($('label0').getelementsbyselector("div")[1]); } } },false); }catch(err) {}

createfooterlogo();
createfootercontent('jim wilson',
'may 25, 2012',
'brian dunbar',
'contact nasa',
'/about/contact/index.html',
'/sitemap/sitemap_nasa.html');

www.nasa.gov content analysis

On this page the content of www.nasa.gov is analyzed for internal coherence. In other words: r-domain checks if elements on the site (headings, meta tags, link anchor text etc) are in sync with the rest of the contents of the page. Any element on a page should reflect to some degree the main subject of the page.

If an elemts matches the most important content of the page is is displayed in green. If it does not match is is displayed in red

Domain

Head

The head element is a container for all the elements int he head of a page. Elements inside head can fort example include scripts, instruct the browser where to find style sheets, provide meta information. We analyzed the follwoing tags in the head section: <title>, <link>, <meta>,<script>, and <style>.

Content

Content is the most important thing on a website. Content can be indexed by seach engines. They provide most of a websites traffic. Tags such as headings (h1 .. h6), paragraphs (p) can be used to structure the text on the page. Tags as bold (b / strong) or italic (i / em) can be used the empasize important text. Images can be used to further explain or just to brighten up a page and can be describud using the alt tag. Links can be used to direct users to another page. All elements have in common that they use text and text can be indexed !

Keyword density	administrator are blog blogs browser calendar carbon center curiosity current daily deputy dragon educators explore flight follow gallery game get how interactive iss job june launch leadership learn link mars more nasa nasas national not nustar our research settings share space speeches spinner station students summer testimony third updates venus view where women you
Wordcount	462 words found on www.nasa.gov
Links	139 links found on page containing the following anchor texts › learn how, follow this link to skip to the main content, nasa - national aeronautics and space administration, for educators, for students, for media, send, follow this link to share this page, share,  administrator calls iss,  interactive feature, dragon berthed, reduced carbon shown on mars, venus transit, "what is nasa?", nustar gearing up for launch, hinode observes annular solar eclipse, shuttle & station, solar system, beyond earth, commercial space, universe, earth, aeronautics, technology, nasa in your life, history and people, image of the day, nasaimages.org, 1, 2, 3, 4, 5, view image gallery, start your search, view all nasa blogs, nasa blogs rss , what on earth, wayne hale's blog, nes teachers corner, view all nasa blogs, nasa blogs rss , var randonnumber=generate_randomnumber("0","6"); document.write('') , › explore the kids club, › students, › educators, › summer of innovation, › listen live to third rock, learn more, play the game!, learn more, watch live now, > view tv schedule, 1, 2, 3, scott carpenter, > more interactive features, commercializing space, > more interactive features, apollo 16, > more interactive features, 1, 2, 3, dawn's virtual flight over vesta, > more podcasts & vodcasts, curiosity rover scoop test, > more podcasts & vodcasts, this week @ nasa, may 25, 2012, > more podcasts & vodcasts, view full nasa calendar, calendar, administrator charles f. bolden, jr., › blog, speeches and testimony, › leadership gallery, deputy administrator lori beth garver, › blog, › facebook→, › twitter→, speeches and testimony, › leadership gallery, learn more, white house blog: the future women of science and space exploration→, learn more, follow @nasa, › more updates →, what are people interested in?, most viewed, top rated, quick links, stories, images, videos, interactive, › nasa launch schedule, › current missions a-z, › current space station crew, › astronauts page, › see the iss →, › track it →, › our solar system/planets →, › global climate change →, › hubble gallery →, › nasa for students, › want to work at nasa?, › national space policy  →, careers @ nasa, nasa jobs  → , student opportunities  →, astronaut selection  →, nasa centers, ames research center, dryden flight research center, glenn research center, goddard space flight center, headquarters, jet propulsion laboratory, johnson space center, kennedy space center, langley research center, marshall space flight center, stennis space center, view map, nasa directorates and offices, aeronautics research  →, human exploration and operations, science  →, chief financial officer, chief health and medical officer  →, chief information officer, office of the chief technologist, external relations  →, general counsel, institutions and management  →, legislative and intergovernmental    affairs  →, see all nasa organizations,
Link anchor relevance	21% match learn how follow link skip main content nasa national aeronautics space administration educators students media send share administrator calls iss interactive feature dragon berthed reduced carbon shown mars venus transit nustar gearing launch hinode observes annular solar eclipse shuttle station system beyond earth commercial universe technology life history people image day nasaimages org view gallery start search all blogs rss wayne hale's blog nes teachers corner var randonnumber generate randomnumber document write img src kidsclubimages name kidsclubicon width alt kids club title height border explore summer innovation listen live third rock more play game watch now schedule scott carpenter features commercializing apollo dawn's virtual flight over vesta podcasts vodcasts curiosity rover scoop test week may full calendar charles bolden speeches testimony leadership deputy lori beth garver facebook twitter white house future women science exploration updates are interested most viewed top rated quick links stories images videos current missions a-z crew astronauts see track our planets global climate change hubble want work policy careers jobs student opportunities astronaut selection centers ames research center dryden glenn goddard headquarters jet propulsion laboratory johnson kennedy langley marshall stennis map directorates offices human operations chief financial officer health medical information office technologist external relations general counsel institutions management legislative intergovernmental affairs organizations
Headings	42 headings found on page containing the following texts nasa - national aeronautics and space administration, there's a problem with your browser or settings. , reduced carbon shown on mars , venus transit , "what is nasa?" , nustar gearing up for launch , hinode observes annular solar eclipse , , nasa images, latest nasa blog updates, explore more, nasa multimedia, nasa calendar, nasa leadership, , serene scene, carpenter's flight, opportunity's selfie, dragon fire, a supernova cocoon breakthrough, space race blast off, nasa’s framework on scientific integrity, nasa television, interactive features, interactive features, interactive features, podcasts & vodcasts , podcasts & vodcasts , podcasts & vodcasts , women@nasa, where is curiosity?, twitter follow @nasa , get nasa updates by email, what are people interested in? , careers @ nasa , for job seekers, for students, for military or college graduates, nasa centers , nasa directorates and offices , administrator charles f. bolden, jr., deputy administrator lori beth garver,
Headings relevance	36% match nasa national aeronautics space administration there's problem browser settings reduced carbon shown mars venus transit nustar gearing launch hinode observes annular solar eclipse images latest blog updates explore more multimedia calendar leadership serene scene carpenter's flight opportunity's selfie dragon fire supernova cocoon breakthrough race blast off framework scientific integrity television interactive features podcasts vodcasts women where curiosity twitter follow get email are people interested careers job seekers students military college graduates centers directorates offices administrator charles bolden deputy lori beth garver
Emphasis (bold and italic)	5 bold or italic tags found on page containing the following texts what on earth, wayne hale's blog, nes teachers corner, powered by gov delivery, for public,
Bold and italic tag relevance	9% match earth wayne hale's blog nes teachers corner powered gov delivery public
Image alt tags	30 image alt tags found on page containing the following texts site error, spinner, previous, next, dragon from the iss, , , more stories, serene scene, carpenter's flight, nasa's mars rover opportunity catches its own late-afternoon shadow in this dramatically lit view eastward across endeavour crater on mars., spacex launch, galaxy ugc 5189a, nasaimages.org, spinner, third rock radio station, space race blast off, artist's concept of space launch system, nasa television logo, scott carpenter interactive feature, commercializing space: expanding access to space while enabling the future of human space exploration., apollo 16 interactive feature, artist's concept of the vesta flyover, how engineers teach curiosity to use a robotic arm on mars., watch nasa tv now!, administrator charles f. bolden. credit: nasa/bill ingalls, deputy administrator lori b. garver. credit: nasa/bill ingalls, women of nasa, where is curiosity?, loading,
Image alt tag relevance	22% match site error spinner previous next dragon from iss more stories serene scene carpenter's flight nasa's mars rover opportunity catches its own late-afternoon shadow dramatically lit view eastward across endeavour crater spacex launch galaxy ugc nasaimages org third rock radio station space race blast off artist's concept system nasa television logo scott carpenter interactive feature commercializing expanding access enabling future human exploration apollo vesta flyover how engineers teach curiosity use robotic arm watch now administrator charles bolden credit bill ingalls deputy lori garver women where loading

www.nasa.gov navigation and internal link structure

We have scanned www.nasa.gov for internal links and found 90 links on this page. We found 15 base folders and 61 folders on this site. Easy to follow navigation helps your visitors navigate through your website efficiently and improves the website experience. It is even more important for seach engines while it helps them spider your website and find the most important content.

We found an easy to follow navigation structure on www.nasa.gov

Internal links found

Click on any of the links below to analyze that page

www.nasa.gov server info

A good server setup can make a huge difference for website performance and may even enhance the ratings in the search engine results since page speed has become an issue.

Http request info

Server headers

Server headers are the response the server sends before the actual content. A correct server setup can speed up a site and free up server resources. Make sure that all headers are set correct. For example dont cache dynamic content and dont close connections unless there is a good reason.

Server location

Server location is important because a server that is located near the customer will serve pages faster then a server located far away

www.nasa.gov stylesheet info

Cascading Style Sheets (CSS) is a style sheet language used to describe the presentation semantics (the look and formatting) of a document written in a markup language.

Stylesheets in the head of the document

The following css files were found on www.nasa.gov:

http://www.nasa.gov/css/207308main_allmodules_homepage.css

r-domain advises to combine all stylesheets to one compressed stylesheet. Adding multiple stylesheets to your page can seriously slow down your website. Compressing your stylehseet can speed up your page

www.nasa.gov inline stylesheet info

No inline css was detected on this page