18.3 sec in total
203 ms
7 sec
11.1 sec
Click here to check amazing Mars Oweb Nas Nasa content for United States. Otherwise, check out these important facts you probably never knew about marsoweb.nas.nasa.gov
Mars Exploration Program Landing Sites
Visit marsoweb.nas.nasa.govWe analyzed Marsoweb.nas.nasa.gov page load time and found that the first response time was 203 ms and then it took 18.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
marsoweb.nas.nasa.gov performance score
name
value
score
weighting
Value3.9 s
24/100
10%
Value4.6 s
35/100
25%
Value5.0 s
63/100
10%
Value160 ms
94/100
30%
Value0
100/100
15%
Value4.6 s
82/100
10%
203 ms
884 ms
248 ms
165 ms
253 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 95% of them (35 requests) were addressed to the original Marsoweb.nas.nasa.gov, 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (884 ms) belongs to the original domain Marsoweb.nas.nasa.gov.
Page size can be reduced by 149.0 kB (19%)
791.5 kB
642.5 kB
In fact, the total size of Marsoweb.nas.nasa.gov main page is 791.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 616.7 kB which makes up the majority of the site volume.
Potential reduce by 45.3 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 14.1 kB, which is 26% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 45.3 kB or 84% of the original size.
Potential reduce by 20.9 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Mars Oweb Nas Nasa images are well optimized though.
Potential reduce by 82.7 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 82.7 kB or 69% of the original size.
Number of requests can be reduced by 7 (21%)
34
27
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mars Oweb Nas Nasa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
marsoweb.nas.nasa.gov
203 ms
marsoweb.nas.nasa.gov
884 ms
landingsites.html
248 ms
sniffer.js
165 ms
custom_splash.js
253 ms
style.js
253 ms
federated-analytics.all.min.js
321 ms
overlib.js
320 ms
menu.js
239 ms
ga.js
311 ms
NASAball.gif
234 ms
marsoweb_logo.jpg
618 ms
ames_logo.gif
470 ms
new.gif
471 ms
dataViz2.jpg
471 ms
mola_tracks.jpg
662 ms
moc.jpg
471 ms
menu_moz.js
661 ms
__utm.gif
100 ms
hr_backdrop3.jpg
316 ms
hematite.jpg
94 ms
hematite_over.jpg
161 ms
gusev.jpg
162 ms
gusev_over.jpg
157 ms
elysium.jpg
162 ms
elysium_over.jpg
158 ms
isidis.jpg
118 ms
isidis_over.jpg
286 ms
dataViz2_over.jpg
367 ms
vrml_atlas.jpg
285 ms
vrml_atlas_over.jpg
369 ms
mola_tracks_over.jpg
370 ms
moc_over.jpg
284 ms
mer_moc.jpg
356 ms
mer_moc_over.jpg
348 ms
landingsites.jpg
455 ms
landingsites_over.jpg
503 ms
marsoweb.nas.nasa.gov accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
marsoweb.nas.nasa.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
marsoweb.nas.nasa.gov SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Marsoweb.nas.nasa.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Marsoweb.nas.nasa.gov main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
marsoweb.nas.nasa.gov
Open Graph description is not detected on the main page of Mars Oweb Nas Nasa. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: