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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

calvertonline.org

My Classroom

Page Load Speed

522 ms in total

First Response

80 ms

Resources Loaded

341 ms

Page Rendered

101 ms

calvertonline.org screenshot

About Website

Click here to check amazing Calvertonline content for United States. Otherwise, check out these important facts you probably never knew about calvertonline.org

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Key Findings

We analyzed Calvertonline.org page load time and found that the first response time was 80 ms and then it took 442 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

calvertonline.org performance score

0

Network Requests Diagram

calvertonline.org

80 ms

default.aspx

31 ms

owsbrows.js

35 ms

ows.css

50 ms

screen-global.css

40 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Calvertonline.org and no external sources were called. The less responsive or slowest element that took the longest time to load (204 ms) belongs to the original domain Calvertonline.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 557.4 kB (81%)

Content Size

691.3 kB

After Optimization

133.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Calvertonline.org main page is 691.3 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. Only 5% of websites need less resources to load. Javascripts take 574.9 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.9 kB

  • Original 5.8 kB
  • After minification 5.2 kB
  • After compression 1.9 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 3.9 kB or 67% of the original size.

Image Optimization

-29%

Potential reduce by 16.6 kB

  • Original 58.2 kB
  • After minification 41.5 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. Obviously, Calvertonline needs image optimization as it can save up to 16.6 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-85%

Potential reduce by 491.3 kB

  • Original 574.9 kB
  • After minification 388.7 kB
  • After compression 83.7 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 491.3 kB or 85% of the original size.

CSS Optimization

-87%

Potential reduce by 45.6 kB

  • Original 52.4 kB
  • After minification 39.1 kB
  • After compression 6.8 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. Calvertonline.org needs all CSS files to be minified and compressed as it can save up to 45.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (64%)

Requests Now

11

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calvertonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

calvertonline.org

calvertonline.org

80 ms

default.aspx

default.aspx

31 ms

owsbrows.js

owsbrows.js

35 ms

ows.css

ows.css

50 ms

screen-global.css

screen-global.css

40 ms

screen-main.css

screen-main.css

21 ms

MyHomeroomLogo.jpg

MyHomeroomLogo.jpg

66 ms

ows.js

ows.js

204 ms

ie55up.js

ie55up.js

114 ms

msstring.js

msstring.js

58 ms

Menu.css

Menu.css

62 ms

Menu.js

Menu.js

81 ms

MyClassroomFooter.jpg

MyClassroomFooter.jpg

79 ms

SEO Factors

calvertonline.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 Calvertonline.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 Calvertonline.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

calvertonline.org

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