Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

calculator-online.net

Calculator Online - 100% Free, Reliable & Accurate Calculators

Page Load Speed

506 ms in total

First Response

52 ms

Resources Loaded

454 ms

Page Rendered

0 ms

calculator-online.net screenshot

About Website

Visit calculator-online.net now to see the best up-to-date Calculator Online content for United States and also check out these interesting facts you probably never knew about calculator-online.net

The 100% free and reliable online calculators that help you to solve any calculation-related problems and provides you with the precise measurements.

Visit calculator-online.net

Key Findings

We analyzed Calculator-online.net page load time and found that the first response time was 52 ms and then it took 454 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

calculator-online.net performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value460 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

calculator-online.net

52 ms

calculator-online.net

246 ms

min.css

19 ms

logo.webp

41 ms

email-decode.min.js

37 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original Calculator-online.net, 9% (1 request) were made to Googletagmanager.com and 9% (1 request) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (246 ms) belongs to the original domain Calculator-online.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.4 kB (66%)

Content Size

243.9 kB

After Optimization

82.5 kB

In fact, the total size of Calculator-online.net main page is 243.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 175.7 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 160.1 kB

  • Original 175.7 kB
  • After minification 113.1 kB
  • After compression 15.6 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 62.6 kB, which is 36% 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 160.1 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 15.3 kB
  • After minification 15.3 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. Calculator Online images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.2 kB

  • Original 45.7 kB
  • After minification 45.7 kB
  • After compression 44.5 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.

CSS Optimization

-1%

Potential reduce by 74 B

  • Original 7.3 kB
  • After minification 7.3 kB
  • After compression 7.2 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. Calculator-online.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (44%)

Requests Now

9

After Optimization

5

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calculator Online. 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.

Accessibility Review

calculator-online.net accessibility score

95

Accessibility Issues

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

Links do not have a discernible name

Best Practices

calculator-online.net best practices score

83

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

SEO Factors

calculator-online.net SEO score

99

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calculator-online.net 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 Calculator-online.net 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

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