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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

session.masteringastronomy.com

Mastering - Digital Learning Platforms | Pearson

Page Load Speed

968 ms in total

First Response

142 ms

Resources Loaded

546 ms

Page Rendered

280 ms

session.masteringastronomy.com screenshot

About Website

Welcome to session.masteringastronomy.com homepage info - get ready to check Session Mastering Astronomy best content for United States right away, or after learning these important things about session.masteringastronomy.com

Mastering supports the way science and engineering students learn best: through engaging, immersive experiences.

Visit session.masteringastronomy.com

Key Findings

We analyzed Session.masteringastronomy.com page load time and found that the first response time was 142 ms and then it took 826 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

session.masteringastronomy.com performance score

0

Network Requests Diagram

session.masteringastronomy.com

142 ms

35 ms

css

24 ms

application-development.css

12 ms

modernizr.js

7 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Session.masteringastronomy.com, 58% (14 requests) were made to Pearsonmylabandmastering.com and 21% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (142 ms) belongs to the original domain Session.masteringastronomy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 504.4 kB (48%)

Content Size

1.1 MB

After Optimization

554.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Session.masteringastronomy.com main page is 1.1 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. 55% of websites need less resources to load. Javascripts take 445.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.6 kB

  • Original 16.7 kB
  • After minification 13.5 kB
  • After compression 4.1 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 3.1 kB, which is 19% 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 12.6 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 5.0 kB

  • Original 413.5 kB
  • After minification 408.5 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. Session Mastering Astronomy images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 327.0 kB

  • Original 445.9 kB
  • After minification 349.8 kB
  • After compression 118.9 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 327.0 kB or 73% of the original size.

CSS Optimization

-88%

Potential reduce by 159.8 kB

  • Original 182.6 kB
  • After minification 115.8 kB
  • After compression 22.8 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. Session.masteringastronomy.com needs all CSS files to be minified and compressed as it can save up to 159.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (29%)

Requests Now

17

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Session Mastering Astronomy. 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

session.masteringastronomy.com

session.masteringastronomy.com

142 ms

35 ms

css

css

24 ms

application-development.css

application-development.css

12 ms

modernizr.js

modernizr.js

7 ms

satelliteLib-611262a620d090820372106b6df6cb95ec419e40.js

satelliteLib-611262a620d090820372106b6df6cb95ec419e40.js

111 ms

application.js

application.js

19 ms

jquery-migrate.js

jquery-migrate.js

5 ms

master-development.js

master-development.js

7 ms

pearson-logo.png

pearson-logo.png

142 ms

analytics.js

analytics.js

32 ms

always-learning.png

always-learning.png

9 ms

break-through-with-flare-green.png

break-through-with-flare-green.png

10 ms

mastering-full-circle-video-placeholder.png

mastering-full-circle-video-placeholder.png

10 ms

video-play.png

video-play.png

10 ms

hero-tall-001--red.jpg

hero-tall-001--red.jpg

57 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

55 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

56 ms

EInbV5DfGHOiMmvb1Xr-honF5uFdDttMLvmWuJdhhgs.ttf

EInbV5DfGHOiMmvb1Xr-honF5uFdDttMLvmWuJdhhgs.ttf

75 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

76 ms

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

75 ms

pearson-symbols.svg

pearson-symbols.svg

14 ms

pearson-symbols.woff

pearson-symbols.woff

14 ms

collect

collect

25 ms

SEO Factors

session.masteringastronomy.com SEO score

0

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 Session.masteringastronomy.com 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 Session.masteringastronomy.com 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

session.masteringastronomy.com

Open Graph description is not detected on the main page of Session Mastering Astronomy. 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: