Tools & Wizards About Us
caelum.com screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

caelum.com

Caelum – Provides information technology/management, applied science, system engineering, and program management solutions to the Government and comme...

Page Load Speed

2 sec in total

First Response

238 ms

Resources Loaded

1.4 sec

Page Rendered

366 ms

caelum.com screenshot

About Website

Visit caelum.com now to see the best up-to-date Caelum content and also check out these interesting facts you probably never knew about caelum.com

Provides information technology/management, applied science, system engineering, and program management solutions to the Government and commercial customers

Visit caelum.com

Key Findings

We analyzed Caelum.com page load time and found that the first response time was 238 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

caelum.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.128

82/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

caelum.com

238 ms

style.css

106 ms

jquery.js

173 ms

swfobject_modified.js

148 ms

new_menu1.js

146 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 98% of them (46 requests) were addressed to the original Caelum.com, 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (931 ms) belongs to the original domain Caelum.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 368.1 kB (33%)

Content Size

1.1 MB

After Optimization

756.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Caelum.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. 35% of websites need less resources to load. Images take 844.3 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 89.0 kB

  • Original 96.0 kB
  • After minification 89.4 kB
  • After compression 7.1 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. 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 89.0 kB or 93% of the original size.

Image Optimization

-18%

Potential reduce by 152.2 kB

  • Original 844.3 kB
  • After minification 692.1 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, Caelum needs image optimization as it can save up to 152.2 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 118.7 kB

  • Original 173.2 kB
  • After minification 158.7 kB
  • After compression 54.4 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 118.7 kB or 69% of the original size.

CSS Optimization

-78%

Potential reduce by 8.3 kB

  • Original 10.6 kB
  • After minification 8.9 kB
  • After compression 2.4 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. Caelum.com needs all CSS files to be minified and compressed as it can save up to 8.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (11%)

Requests Now

46

After Optimization

41

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Caelum. 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

caelum.com

caelum.com

238 ms

style.css

style.css

106 ms

jquery.js

jquery.js

173 ms

swfobject_modified.js

swfobject_modified.js

148 ms

new_menu1.js

new_menu1.js

146 ms

wowslider.js

wowslider.js

150 ms

script.js

script.js

149 ms

css

css

65 ms

pbrowser_safari.js

pbrowser_safari.js

73 ms

Caelumbluebackground.png

Caelumbluebackground.png

170 ms

logo.jpg

logo.jpg

172 ms

facebook3.png

facebook3.png

71 ms

Linkedin3.png

Linkedin3.png

173 ms

Twitter3.png

Twitter3.png

170 ms

cloudcomputing.jpg

cloudcomputing.jpg

236 ms

computernetwork.jpg

computernetwork.jpg

201 ms

cybersecurity.jpg

cybersecurity.jpg

207 ms

elearning.jpg

elearning.jpg

208 ms

hardwaresoftware.jpg

hardwaresoftware.jpg

233 ms

sateliiteremote.jpg

sateliiteremote.jpg

174 ms

solution.jpg

solution.jpg

240 ms

systemengineering.jpg

systemengineering.jpg

331 ms

cloudcomputing.jpg

cloudcomputing.jpg

281 ms

computernetwork.jpg

computernetwork.jpg

281 ms

cybersecurity.jpg

cybersecurity.jpg

308 ms

elearning.jpg

elearning.jpg

292 ms

hardwaresoftware.jpg

hardwaresoftware.jpg

314 ms

sateliiteremote.jpg

sateliiteremote.jpg

347 ms

solution.jpg

solution.jpg

346 ms

systemengineering.jpg

systemengineering.jpg

347 ms

Innovative_Rewarding.jpg

Innovative_Rewarding.jpg

383 ms

CaelumGreatPlace.png

CaelumGreatPlace.png

460 ms

25962SVCKnockOut.png

25962SVCKnockOut.png

402 ms

BSI-Assurance-Mark-ISO-20000-KEYW.png

BSI-Assurance-Mark-ISO-20000-KEYW.png

678 ms

TRC%20Mark%20-%20ISO%209001.jpg

TRC%20Mark%20-%20ISO%209001.jpg

931 ms

Home.png

Home.png

326 ms

AboutUs.png

AboutUs.png

380 ms

CoreCompetencies1.png

CoreCompetencies1.png

383 ms

Clients.png

Clients.png

386 ms

ContractVehicles1.png

ContractVehicles1.png

450 ms

Employment1.png

Employment1.png

454 ms

News1.png

News1.png

450 ms

Contact1.png

Contact1.png

442 ms

medium_red_down.gif

medium_red_down.gif

499 ms

bullet.png

bullet.png

523 ms

arrows.png

arrows.png

452 ms

pause.png

pause.png

460 ms

Accessibility Review

caelum.com accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

caelum.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

caelum.com SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Caelum.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 Caelum.com 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

caelum.com

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