Tools & Wizards About Us
freecalc.com screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

freecalc.com

FreeCalc.Com, Free Online Applications for Engineering Design

Page Load Speed

5.7 sec in total

First Response

1.1 sec

Resources Loaded

4.5 sec

Page Rendered

92 ms

freecalc.com screenshot

About Website

Visit freecalc.com now to see the best up-to-date Free Calc content for United States and also check out these interesting facts you probably never knew about freecalc.com

FreeCalc.Com, Free Online Applications for Engineering Design

Visit freecalc.com

Key Findings

We analyzed Freecalc.com page load time and found that the first response time was 1.1 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

freecalc.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

freecalc.com

1085 ms

freecalc.com

1148 ms

popmain.gif

1066 ms

show_ads.js

26 ms

slide1fade.js

40 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 92% of them (54 requests) were addressed to the original Freecalc.com, 3% (2 requests) were made to Pagead2.googlesyndication.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Freecalc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.7 kB (7%)

Content Size

610.9 kB

After Optimization

568.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Freecalc.com main page is 610.9 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. 25% of websites need less resources to load. Images take 499.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 9.1 kB

  • Original 12.5 kB
  • After minification 12.4 kB
  • After compression 3.4 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 9.1 kB or 73% of the original size.

Image Optimization

-7%

Potential reduce by 33.3 kB

  • Original 499.5 kB
  • After minification 466.2 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. Free Calc images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 268 B

  • Original 98.9 kB
  • After minification 98.9 kB
  • After compression 98.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 4 (11%)

Requests Now

35

After Optimization

31

  • Images
  • JavaScript

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Free Calc. 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 as a result speed up the page load time.

Network Requests Diagram

freecalc.com

freecalc.com

1085 ms

freecalc.com

freecalc.com

1148 ms

popmain.gif

popmain.gif

1066 ms

show_ads.js

show_ads.js

26 ms

slide1fade.js

slide1fade.js

40 ms

popliq.gif

popliq.gif

1065 ms

poppump.gif

poppump.gif

1063 ms

popheat.gif

popheat.gif

1065 ms

popvess.gif

popvess.gif

1066 ms

popvalve.gif

popvalve.gif

1066 ms

popcivil.gif

popcivil.gif

1079 ms

popgen.gif

popgen.gif

1080 ms

popupdsh.gif

popupdsh.gif

1082 ms

popupsep.gif

popupsep.gif

1081 ms

pophvac.gif

pophvac.gif

1082 ms

back.gif

back.gif

1083 ms

geneng.jpg

geneng.jpg

1097 ms

liqgas.jpg

liqgas.jpg

1098 ms

hvac.jpg

hvac.jpg

1097 ms

pumps.jpg

pumps.jpg

1099 ms

heat.jpg

heat.jpg

1098 ms

vessels.jpg

vessels.jpg

1100 ms

valves.jpg

valves.jpg

1113 ms

civilst.jpg

civilst.jpg

1114 ms

sep.jpg

sep.jpg

1114 ms

datash.jpg

datash.jpg

1115 ms

rotatepic1.jpg

rotatepic1.jpg

101 ms

babacad2018.jpg

babacad2018.jpg

147 ms

adsbygoogle.js

adsbygoogle.js

73 ms

FreeCalc.GSIAN;sz=728x90;ord=891631775069981800

FreeCalc.GSIAN;sz=728x90;ord=891631775069981800

17 ms

rotatepic2.jpg

rotatepic2.jpg

157 ms

rotatepic3.jpg

rotatepic3.jpg

351 ms

rotatepic4.jpg

rotatepic4.jpg

399 ms

rotatepic5.jpg

rotatepic5.jpg

433 ms

rotatepic6.jpg

rotatepic6.jpg

467 ms

ga.js

ga.js

18 ms

__utm.gif

__utm.gif

46 ms

poppump.gif

poppump.gif

1142 ms

popmain.gif

popmain.gif

1138 ms

popheat.gif

popheat.gif

1147 ms

popliq.gif

popliq.gif

1144 ms

popvess.gif

popvess.gif

1141 ms

popvalve.gif

popvalve.gif

1140 ms

popcivil.gif

popcivil.gif

1151 ms

popgen.gif

popgen.gif

1149 ms

popupsep.gif

popupsep.gif

1151 ms

pophvac.gif

pophvac.gif

1154 ms

popupdsh.gif

popupdsh.gif

1156 ms

back.gif

back.gif

1153 ms

geneng.jpg

geneng.jpg

1179 ms

liqgas.jpg

liqgas.jpg

1162 ms

hvac.jpg

hvac.jpg

1161 ms

heat.jpg

heat.jpg

1163 ms

pumps.jpg

pumps.jpg

1162 ms

vessels.jpg

vessels.jpg

1166 ms

valves.jpg

valves.jpg

1170 ms

sep.jpg

sep.jpg

1168 ms

civilst.jpg

civilst.jpg

1170 ms

datash.jpg

datash.jpg

1177 ms

Accessibility Review

freecalc.com accessibility score

61

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

freecalc.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

freecalc.com SEO score

67

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Freecalc.com 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 Freecalc.com main page’s claimed encoding is . 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

freecalc.com

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