Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

gear-calculator.com

Bicycle Gear Calculator

Page Load Speed

1.8 sec in total

First Response

388 ms

Resources Loaded

1.4 sec

Page Rendered

91 ms

gear-calculator.com screenshot

About Website

Welcome to gear-calculator.com homepage info - get ready to check Gear Calculator best content for Philippines right away, or after learning these important things about gear-calculator.com

Graphical gear calculator for bicycle gearing systems. Includes derailleur gears and internal gear hubs. Grafischer Ritzelrechner zur Berechnung der Entfaltung von Fahrradschaltungen.

Visit gear-calculator.com

Key Findings

We analyzed Gear-calculator.com page load time and found that the first response time was 388 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

gear-calculator.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

gear-calculator.com

388 ms

jquery-ui.css

7 ms

jquery-1.11.0.min.js

8 ms

jquery-ui.min.js

18 ms

jquery.ui.touch-punch.min.js

188 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 71% of them (10 requests) were addressed to the original Gear-calculator.com, 29% (4 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (466 ms) belongs to the original domain Gear-calculator.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.3 kB (51%)

Content Size

150.3 kB

After Optimization

74.0 kB

In fact, the total size of Gear-calculator.com main page is 150.3 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. 20% of websites need less resources to load. Javascripts take 58.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 18.7 kB

  • Original 23.0 kB
  • After minification 21.7 kB
  • After compression 4.3 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 18.7 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 3.6 kB

  • Original 54.2 kB
  • After minification 50.6 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. Gear Calculator images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 47.6 kB

  • Original 58.2 kB
  • After minification 42.6 kB
  • After compression 10.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 47.6 kB or 82% of the original size.

CSS Optimization

-43%

Potential reduce by 6.4 kB

  • Original 15.0 kB
  • After minification 12.3 kB
  • After compression 8.6 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. Gear-calculator.com needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (46%)

Requests Now

13

After Optimization

7

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gear Calculator. 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

gear-calculator.com accessibility score

98

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.

Best Practices

gear-calculator.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

gear-calculator.com SEO score

100

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gear-calculator.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Gear-calculator.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 Gear Calculator. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: