Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

testandcalc.com

Software and Solutions for Teaching and learning Drug Calculations, On-line Testing, Tutorials, Calculators and Tests

Page Load Speed

879 ms in total

First Response

70 ms

Resources Loaded

570 ms

Page Rendered

239 ms

testandcalc.com screenshot

About Website

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

Software, tutorials and on-line courses to assist with teaching and learning drug dosage calculations. This includes the worlds first on-line Quiz Pages an on-line dosage calculations course, and wind...

Visit testandcalc.com

Key Findings

We analyzed Testandcalc.com page load time and found that the first response time was 70 ms and then it took 809 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

testandcalc.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

testandcalc.com

70 ms

testandcalc.com

129 ms

font-awesome.min.css

34 ms

css

36 ms

v0.js

21 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 21% of them (3 requests) were addressed to the original Testandcalc.com, 43% (6 requests) were made to Cdn.ampproject.org and 14% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (370 ms) relates to the external source S7.addthis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.0 kB (16%)

Content Size

492.6 kB

After Optimization

415.6 kB

In fact, the total size of Testandcalc.com main page is 492.6 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 245.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 60.7 kB

  • Original 74.1 kB
  • After minification 68.7 kB
  • After compression 13.5 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 60.7 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 15.8 kB

  • Original 245.3 kB
  • After minification 229.5 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. Testandcalc images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 508 B

  • Original 173.1 kB
  • After minification 173.0 kB
  • After compression 172.6 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 6 (60%)

Requests Now

10

After Optimization

4

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Testandcalc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

testandcalc.com accessibility score

63

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

Best Practices

testandcalc.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

testandcalc.com SEO score

79

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

Links do not have descriptive text

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

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 Testandcalc.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 Testandcalc.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

Open Graph data is detected on the main page of Testandcalc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: