3.5 sec in total
153 ms
2 sec
1.4 sec
Click here to check amazing PO DAAC JPL NASA content for United States. Otherwise, check out these important facts you probably never knew about podaac.jpl.nasa.gov
The Physical Oceanography Distributed Active Archive Center (PO.DAAC) is an element of the Earth Observing System Data and Information System (EOSDIS). The EOSDIS provides science data to a wide commu...
Visit podaac.jpl.nasa.govWe analyzed Podaac.jpl.nasa.gov page load time and found that the first response time was 153 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
podaac.jpl.nasa.gov performance score
name
value
score
weighting
Value7.1 s
1/100
10%
Value18.9 s
0/100
25%
Value8.9 s
15/100
10%
Value850 ms
33/100
30%
Value0.775
5/100
15%
Value16.4 s
5/100
10%
153 ms
777 ms
227 ms
220 ms
222 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 71% of them (53 requests) were addressed to the original Podaac.jpl.nasa.gov, 5% (4 requests) were made to Cdn.earthdata.nasa.gov and 5% (4 requests) were made to Script.crazyegg.com. The less responsive or slowest element that took the longest time to load (777 ms) belongs to the original domain Podaac.jpl.nasa.gov.
Page size can be reduced by 714.8 kB (20%)
3.6 MB
2.9 MB
In fact, the total size of Podaac.jpl.nasa.gov main page is 3.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.
Potential reduce by 538.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 538.9 kB or 93% of the original size.
Potential reduce by 68.3 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. PO DAAC JPL NASA images are well optimized though.
Potential reduce by 93.5 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 93.5 kB or 40% of the original size.
Potential reduce by 14.2 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Podaac.jpl.nasa.gov needs all CSS files to be minified and compressed as it can save up to 14.2 kB or 24% of the original size.
Number of requests can be reduced by 27 (40%)
68
41
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PO DAAC JPL 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 19 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
podaac.jpl.nasa.gov
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web-vitals.iife.js
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logo.png
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satellite@x1.png
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podaac-follow-us@x1.png
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podaac.jpl.nasa.gov accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
podaac.jpl.nasa.gov best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
podaac.jpl.nasa.gov SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Podaac.jpl.nasa.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Podaac.jpl.nasa.gov main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
podaac.jpl.nasa.gov
Open Graph description is not detected on the main page of PO DAAC JPL 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: