Tools & Wizards About Us

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

durance.com

Durance 2024

Page Load Speed

19 sec in total

First Response

267 ms

Resources Loaded

2.9 sec

Page Rendered

15.9 sec

About Website

Visit durance.com now to see the best up-to-date Durance content and also check out these interesting facts you probably never knew about durance.com

Professional bike shop for the professional and those that like attention to detail

Visit durance.com

Key Findings

We analyzed Durance.com page load time and found that the first response time was 267 ms and then it took 18.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

durance.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

durance.com

267 ms

durance.com

329 ms

css

39 ms

bootstrap.min.css

154 ms

ionicons.min.css

233 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 93% of them (77 requests) were addressed to the original Durance.com, 6% (5 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Durance.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.1 MB (5%)

Content Size

119.4 MB

After Optimization

113.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Durance.com main page is 119.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 119.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 31.5 kB

  • Original 35.9 kB
  • After minification 26.8 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. This page needs HTML code to be minified as it can gain 9.0 kB, which is 25% 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 31.5 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 5.9 MB

  • Original 119.1 MB
  • After minification 113.2 MB

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. Durance images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 75.9 kB

  • Original 173.9 kB
  • After minification 171.1 kB
  • After compression 98.0 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 75.9 kB or 44% of the original size.

CSS Optimization

-66%

Potential reduce by 93.3 kB

  • Original 141.0 kB
  • After minification 141.0 kB
  • After compression 47.7 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. Durance.com needs all CSS files to be minified and compressed as it can save up to 93.3 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (24%)

Requests Now

76

After Optimization

58

  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Durance. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

durance.com accessibility score

66

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

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

durance.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

durance.com SEO score

89

Search Engine Optimization Advices

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

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 Durance.com 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 Durance.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 description is not detected on the main page of Durance. 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: