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Report Summary

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    Performance

  • 0

    Accessibility

  • 0

    Best Practices

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    SEO

strandmaps.nsdl.org

Science Literacy Maps

Page Load Speed

983 ms in total

First Response

162 ms

Resources Loaded

704 ms

Page Rendered

117 ms

strandmaps.nsdl.org screenshot

About Website

Welcome to strandmaps.nsdl.org homepage info - get ready to check Strand Maps Nsdl best content for United States right away, or after learning these important things about strandmaps.nsdl.org

The Science Literacy Maps help teachers connect concepts, standards, and educational resources.

Visit strandmaps.nsdl.org

Key Findings

We analyzed Strandmaps.nsdl.org page load time and found that the first response time was 162 ms and then it took 821 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

strandmaps.nsdl.org performance score

0

Network Requests Diagram

strandmaps.nsdl.org

162 ms

strandmaps.dls.ucar.edu

142 ms

jquery-1.3.2.js

135 ms

jquery.bgiframe.min.js

90 ms

jquery.cluetip.js

88 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Strandmaps.nsdl.org, 92% (24 requests) were made to Strandmaps.dls.ucar.edu and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (162 ms) belongs to the original domain Strandmaps.nsdl.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 383.4 kB (82%)

Content Size

466.0 kB

After Optimization

82.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Strandmaps.nsdl.org main page is 466.0 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. 30% of websites need less resources to load. Javascripts take 380.6 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 46.2 kB

  • Original 51.8 kB
  • After minification 24.7 kB
  • After compression 5.5 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. This page needs HTML code to be minified as it can gain 27.0 kB, which is 52% 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 46.2 kB or 89% of the original size.

Image Optimization

-10%

Potential reduce by 1.4 kB

  • Original 13.3 kB
  • After minification 11.9 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. Strand Maps Nsdl images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 319.5 kB

  • Original 380.6 kB
  • After minification 267.9 kB
  • After compression 61.0 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 319.5 kB or 84% of the original size.

CSS Optimization

-79%

Potential reduce by 16.2 kB

  • Original 20.4 kB
  • After minification 15.9 kB
  • After compression 4.2 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. Strandmaps.nsdl.org needs all CSS files to be minified and compressed as it can save up to 16.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (58%)

Requests Now

24

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Strand Maps Nsdl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

strandmaps.nsdl.org

strandmaps.nsdl.org

162 ms

strandmaps.dls.ucar.edu

strandmaps.dls.ucar.edu

142 ms

jquery-1.3.2.js

jquery-1.3.2.js

135 ms

jquery.bgiframe.min.js

jquery.bgiframe.min.js

90 ms

jquery.cluetip.js

jquery.cluetip.js

88 ms

maps

maps

94 ms

GATrack.js

GATrack.js

90 ms

dlsclientsms-v1.0.js

dlsclientsms-v1.0.js

90 ms

jquery.cluetip.css

jquery.cluetip.css

131 ms

dlsclientsms.css

dlsclientsms.css

132 ms

common_styles.css

common_styles.css

64 ms

zxml.js

zxml.js

61 ms

browser.js

browser.js

49 ms

prototype.js

prototype.js

39 ms

effects.js

effects.js

62 ms

strand_map_implementation.js

strand_map_implementation.js

98 ms

strand_map_public_js_api.js

strand_map_public_js_api.js

82 ms

call_out_widget.js

call_out_widget.js

96 ms

strand_selector.js

strand_selector.js

111 ms

maps-impl

maps-impl

110 ms

directed-graph3.png

directed-graph3.png

50 ms

close.gif

close.gif

45 ms

nsf1.gif

nsf1.gif

46 ms

dls-ucp-logo-small-white-v2.jpg

dls-ucp-logo-small-white-v2.jpg

49 ms

menu-open.gif

menu-open.gif

55 ms

menu-closed.gif

menu-closed.gif

54 ms

SEO Factors

strandmaps.nsdl.org SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Strandmaps.nsdl.org 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 Strandmaps.nsdl.org 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.

Social Sharing Optimization

strandmaps.nsdl.org

Open Graph description is not detected on the main page of Strand Maps Nsdl. 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: