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Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

data.sdss3.org

SDSS Splashpage

Page Load Speed

719 ms in total

First Response

98 ms

Resources Loaded

452 ms

Page Rendered

169 ms

data.sdss3.org screenshot

About Website

Visit data.sdss3.org now to see the best up-to-date Data SDSS 3 content for United States and also check out these interesting facts you probably never knew about data.sdss3.org

Visit data.sdss3.org

Key Findings

We analyzed Data.sdss3.org page load time and found that the first response time was 98 ms and then it took 621 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

data.sdss3.org performance score

0

Network Requests Diagram

data.sdss3.org

98 ms

bootstrap-2.3.2.min.css

41 ms

bootstrap-responsive-2.3.2.min.css

23 ms

style.css

16 ms

jquery-1.10.2.js

57 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Data.sdss3.org and no external sources were called. The less responsive or slowest element that took the longest time to load (232 ms) belongs to the original domain Data.sdss3.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 534.7 kB (56%)

Content Size

956.1 kB

After Optimization

421.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Data.sdss3.org main page is 956.1 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. 15% of websites need less resources to load. Javascripts take 493.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 6.5 kB

  • Original 8.5 kB
  • After minification 5.9 kB
  • After compression 2.0 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 2.6 kB, which is 31% 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 6.5 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 7.2 kB

  • Original 330.8 kB
  • After minification 323.6 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. Data SDSS 3 images are well optimized though.

JavaScript Optimization

-85%

Potential reduce by 419.0 kB

  • Original 493.6 kB
  • After minification 305.3 kB
  • After compression 74.6 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 419.0 kB or 85% of the original size.

CSS Optimization

-83%

Potential reduce by 102.0 kB

  • Original 123.2 kB
  • After minification 123.1 kB
  • After compression 21.2 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. Data.sdss3.org needs all CSS files to be minified and compressed as it can save up to 102.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (36%)

Requests Now

14

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data SDSS 3. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

data.sdss3.org

data.sdss3.org

98 ms

bootstrap-2.3.2.min.css

bootstrap-2.3.2.min.css

41 ms

bootstrap-responsive-2.3.2.min.css

bootstrap-responsive-2.3.2.min.css

23 ms

style.css

style.css

16 ms

jquery-1.10.2.js

jquery-1.10.2.js

57 ms

jquery.tablesorter-2.0.5b.js

jquery.tablesorter-2.0.5b.js

25 ms

picnet.table.filter.min.js

picnet.table.filter.min.js

50 ms

bootstrap-2.3.2.js

bootstrap-2.3.2.js

38 ms

constants_dr12.js

constants_dr12.js

29 ms

dr10webapp.js

dr10webapp.js

31 ms

sdss3_logo.png

sdss3_logo.png

9 ms

imgExample.jpg

imgExample.jpg

40 ms

specExample.png

specExample.png

18 ms

irExample.png

irExample.png

40 ms

under_the_hood_blue.png

under_the_hood_blue.png

232 ms

SEO Factors

data.sdss3.org SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Data.sdss3.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 Data.sdss3.org 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

data.sdss3.org

Open Graph description is not detected on the main page of Data SDSS 3. 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: