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Report Summary

  • 0

    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

glcf.umd.edu

GLCF: Welcome

Page Load Speed

735 ms in total

First Response

106 ms

Resources Loaded

436 ms

Page Rendered

193 ms

glcf.umd.edu screenshot

About Website

Click here to check amazing GLCF Umd content for United States. Otherwise, check out these important facts you probably never knew about glcf.umd.edu

GLCF is the largest FREE source of Landsat Data

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Key Findings

We analyzed Glcf.umd.edu page load time and found that the first response time was 106 ms and then it took 629 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

glcf.umd.edu performance score

0

Network Requests Diagram

glcf.umd.edu

106 ms

layout.css

21 ms

markup.css

35 ms

imageArray2.js

55 ms

frontImage.js

52 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 80% of them (16 requests) were addressed to the original Glcf.umd.edu, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (269 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 108.7 kB (16%)

Content Size

683.3 kB

After Optimization

574.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Glcf.umd.edu main page is 683.3 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. 20% of websites need less resources to load. Images take 562.8 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 6.7 kB

  • Original 9.7 kB
  • After minification 8.5 kB
  • After compression 3.0 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 1.2 kB, which is 13% 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 6.7 kB or 69% of the original size.

Image Optimization

-3%

Potential reduce by 16.2 kB

  • Original 562.8 kB
  • After minification 546.6 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. GLCF Umd images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 63.5 kB

  • Original 86.1 kB
  • After minification 85.3 kB
  • After compression 22.5 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 63.5 kB or 74% of the original size.

CSS Optimization

-90%

Potential reduce by 22.2 kB

  • Original 24.7 kB
  • After minification 17.8 kB
  • After compression 2.5 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. Glcf.umd.edu needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GLCF Umd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

glcf.umd.edu

glcf.umd.edu

106 ms

layout.css

layout.css

21 ms

markup.css

markup.css

35 ms

imageArray2.js

imageArray2.js

55 ms

frontImage.js

frontImage.js

52 ms

frontImageJS1.js

frontImageJS1.js

52 ms

frontImageJS2.js

frontImageJS2.js

54 ms

frontImageJS3.js

frontImageJS3.js

52 ms

all.js

all.js

269 ms

analytics.js

analytics.js

22 ms

banner.jpg

banner.jpg

51 ms

esdi_1.png

esdi_1.png

35 ms

gls1.png

gls1.png

38 ms

elink1.png

elink1.png

43 ms

umd.png

umd.png

52 ms

nasa_logo.png

nasa_logo.png

75 ms

gofc_gold.png

gofc_gold.png

57 ms

fcc10.jpg

fcc10.jpg

107 ms

collect

collect

12 ms

collect

collect

65 ms

SEO Factors

glcf.umd.edu 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 Glcf.umd.edu 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 Glcf.umd.edu 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

glcf.umd.edu

Open Graph description is not detected on the main page of GLCF Umd. 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: