Tools & Wizards About Us
arset.gsfc.nasa.gov screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

arset.gsfc.nasa.gov

Applied Remote Sensing Training Program | NASA Applied Sciences

Page Load Speed

1.2 sec in total

First Response

55 ms

Resources Loaded

628 ms

Page Rendered

551 ms

arset.gsfc.nasa.gov screenshot

About Website

Welcome to arset.gsfc.nasa.gov homepage info - get ready to check Arset Gsfc NASA best content for United States right away, or after learning these important things about arset.gsfc.nasa.gov

Applied Remote Sensing Training (ARSET) trains people to use Earth-observing data into their environmental management and decision-making.

Visit arset.gsfc.nasa.gov

Key Findings

We analyzed Arset.gsfc.nasa.gov page load time and found that the first response time was 55 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

arset.gsfc.nasa.gov performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

arset.gsfc.nasa.gov

55 ms

arset.gsfc.nasa.gov

29 ms

62 ms

arset

3 ms

arset

52 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Arset.gsfc.nasa.gov, 83% (59 requests) were made to Appliedsciences.nasa.gov and 4% (3 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (335 ms) relates to the external source Appliedsciences.nasa.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 218.4 kB (15%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arset.gsfc.nasa.gov main page is 1.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 86.1 kB

  • Original 104.6 kB
  • After minification 97.3 kB
  • After compression 18.5 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 86.1 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 131.7 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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. Obviously, Arset Gsfc NASA needs image optimization as it can save up to 131.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 262 B

  • Original 115.5 kB
  • After minification 115.5 kB
  • After compression 115.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 341 B

  • Original 44.4 kB
  • After minification 44.4 kB
  • After compression 44.1 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. Arset.gsfc.nasa.gov has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (34%)

Requests Now

61

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arset Gsfc 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 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

arset.gsfc.nasa.gov

arset.gsfc.nasa.gov

55 ms

arset.gsfc.nasa.gov

arset.gsfc.nasa.gov

29 ms

62 ms

arset

arset

3 ms

arset

arset

52 ms

css_j8Zxt8Cz02g-eESq7z9CtwBE4UYj7CPpaL--VCkkhNI.css

css_j8Zxt8Cz02g-eESq7z9CtwBE4UYj7CPpaL--VCkkhNI.css

49 ms

css_Au5I-nUbWQgsiTXNAmroCeaGB6LYFZwjoi7vCNBOpKs.css

css_Au5I-nUbWQgsiTXNAmroCeaGB6LYFZwjoi7vCNBOpKs.css

55 ms

css

css

84 ms

font-awesome.min.css

font-awesome.min.css

77 ms

slick.css

slick.css

65 ms

slick-theme.css

slick-theme.css

67 ms

slick.css

slick.css

73 ms

logo.svg

logo.svg

66 ms

js

js

290 ms

widgets.js

widgets.js

67 ms

modernizr.min.js

modernizr.min.js

76 ms

modernizr-additional-tests.js

modernizr-additional-tests.js

74 ms

js_TbiN38UN-TqocQD5DLk9FODmQP7mRTktCw_TNa8QJrk.js

js_TbiN38UN-TqocQD5DLk9FODmQP7mRTktCw_TNa8QJrk.js

163 ms

plyr.polyfilled.js

plyr.polyfilled.js

162 ms

js_h4YbwYfLqrZx7a0q3XrAqIpgXuDltHaj3OPRASWiRfQ.js

js_h4YbwYfLqrZx7a0q3XrAqIpgXuDltHaj3OPRASWiRfQ.js

231 ms

slick.min.js

slick.min.js

64 ms

slick-init.js

slick-init.js

230 ms

icon-food%402x_1.png

icon-food%402x_1.png

229 ms

icon-capacity%402x.png

icon-capacity%402x.png

330 ms

climateresilience.png

climateresilience.png

286 ms

icon-disasters%402x_2.png

icon-disasters%402x_2.png

287 ms

MISSIONS%2BAPPLICATIONS%20%281%29.png

MISSIONS%2BAPPLICATIONS%20%281%29.png

288 ms

icon-eco%402x_1.png

icon-eco%402x_1.png

335 ms

icon-health%402x_1.png

icon-health%402x_1.png

329 ms

icon-water%402x_1.png

icon-water%402x_1.png

287 ms

Wildfire-logo-88x88px.png

Wildfire-logo-88x88px.png

289 ms

Lake%20Atitlan.png.webp

Lake%20Atitlan.png.webp

288 ms

ARSET_GeneralWebpageHeader.png.webp

ARSET_GeneralWebpageHeader.png.webp

326 ms

Website_Header.jpg.webp

Website_Header.jpg.webp

326 ms

Website_Header_Template.jpg.webp

Website_Header_Template.jpg.webp

329 ms

facebook-share.svg

facebook-share.svg

332 ms

twitter.svg

twitter.svg

329 ms

linkedin.svg

linkedin.svg

333 ms

email.svg

email.svg

334 ms

share-icon.svg

share-icon.svg

332 ms

noise.png

noise.png

204 ms

icon-search-dark.svg

icon-search-dark.svg

203 ms

AppsGuidebook_2.jpg

AppsGuidebook_2.jpg

205 ms

Fundamentals.png

Fundamentals.png

206 ms

arrow-r.svg

arrow-r.svg

209 ms

arrow-l.svg

arrow-l.svg

207 ms

David_1_1.JPG.webp

David_1_1.JPG.webp

209 ms

Brock_2.JPG.webp

Brock_2.JPG.webp

210 ms

Mike.jpeg.webp

Mike.jpeg.webp

210 ms

Annelise_1.JPG.webp

Annelise_1.JPG.webp

228 ms

Cruz_headshot.jpg.webp

Cruz_headshot.jpg.webp

210 ms

S_Cutshall_Headshot.jpeg.webp

S_Cutshall_Headshot.jpeg.webp

231 ms

Melanie_2.JPG.webp

Melanie_2.JPG.webp

211 ms

Kevin_1.JPG.webp

Kevin_1.JPG.webp

229 ms

gupta.png.webp

gupta.png.webp

230 ms

Selwyn_1.JPG.webp

Selwyn_1.JPG.webp

137 ms

Natasha.jpg.webp

Natasha.jpg.webp

138 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

95 ms

Sean_1.JPG.webp

Sean_1.JPG.webp

92 ms

Carl_1.JPG.webp

Carl_1.JPG.webp

82 ms

Marines.png.webp

Marines.png.webp

90 ms

Amita_2.JPG.webp

Amita_2.JPG.webp

88 ms

Sue_1.JPG.webp

Sue_1.JPG.webp

87 ms

Jonathan_1.JPG.webp

Jonathan_1.JPG.webp

86 ms

Erika.png.webp

Erika.png.webp

86 ms

noway-regular-webfont.woff

noway-regular-webfont.woff

105 ms

f0Xp0eas_8Z-TFZdHv3mMxFaSqASeeHke4wE3zQ.ttf

f0Xp0eas_8Z-TFZdHv3mMxFaSqASeeHke4wE3zQ.ttf

83 ms

noway-medium-webfont.woff

noway-medium-webfont.woff

72 ms

noway-light-webfont.woff

noway-light-webfont.woff

71 ms

noway-bold-webfont.woff

noway-bold-webfont.woff

69 ms

background-wave.svg

background-wave.svg

68 ms

Accessibility Review

arset.gsfc.nasa.gov accessibility score

100

Accessibility Issues

Best Practices

arset.gsfc.nasa.gov best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

arset.gsfc.nasa.gov SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Arset.gsfc.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 Arset.gsfc.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.

Social Sharing Optimization

arset.gsfc.nasa.gov

Open Graph data is detected on the main page of Arset Gsfc NASA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: