Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

1728.org

CALCULATOR CITY: Resource for Mathematics, Algebra, Geometry, Trigonometry, Calculus, Finance, Measurement, Chemistry, Physics, Astronomy

Page Load Speed

1.3 sec in total

First Response

127 ms

Resources Loaded

902 ms

Page Rendered

282 ms

1728.org screenshot

About Website

Welcome to 1728.org homepage info - get ready to check 1728 best content for United States right away, or after learning these important things about 1728.org

Calculator City, calculators for algebra, geometry, trigonometry, calculus, finance, astronomy, physics, chemistry, time cards, HTML Colors, percentages, fractions

Visit 1728.org

Key Findings

We analyzed 1728.org page load time and found that the first response time was 127 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

1728.org performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value4.8 s

68/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.375

28/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

1728.org

127 ms

DM_redirect.js

48 ms

plusone.js

50 ms

google_analytics_auto.js

40 ms

show_ads.js

8 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 22% of them (13 requests) were addressed to the original 1728.org, 12% (7 requests) were made to Apis.google.com and 12% (7 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (393 ms) relates to the external source Af15d4243394ad03aab4c741afd6ae255.profile.icn51.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.5 kB (48%)

Content Size

271.4 kB

After Optimization

139.8 kB

In fact, the total size of 1728.org main page is 271.4 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. 55% of websites need less resources to load. Javascripts take 184.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 20.6 kB

  • Original 27.7 kB
  • After minification 24.7 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. This page needs HTML code to be minified as it can gain 3.0 kB, which is 11% 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 20.6 kB or 74% of the original size.

Image Optimization

-11%

Potential reduce by 6.4 kB

  • Original 58.5 kB
  • After minification 52.1 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, 1728 needs image optimization as it can save up to 6.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 104.5 kB

  • Original 184.9 kB
  • After minification 184.7 kB
  • After compression 80.4 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 104.5 kB or 57% of the original size.

CSS Optimization

-27%

Potential reduce by 65 B

  • Original 242 B
  • After minification 220 B
  • After compression 177 B

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. 1728.org needs all CSS files to be minified and compressed as it can save up to 65 B or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (54%)

Requests Now

56

After Optimization

26

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 1728. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

1728.org accessibility score

56

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

1728.org best practices score

58

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

SEO Factors

1728.org SEO score

81

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

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 1728.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 1728.org 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

Open Graph description is not detected on the main page of 1728. 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: