Tools & Wizards About Us
bike-manual.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

bike-manual.com

Trek Bike Owners Manuals and Bontrager Product Manuals | Trek Bikes

Page Load Speed

895 ms in total

First Response

106 ms

Resources Loaded

636 ms

Page Rendered

153 ms

bike-manual.com screenshot

About Website

Click here to check amazing Bike Manual content for United States. Otherwise, check out these important facts you probably never knew about bike-manual.com

Bike-Manual.com is the official online source of product owner's manuals for the following cycling brands: Trek Bikes, LeMond Racing Cycles, Gary Fisher Mountain Bikes, Klein Bikes.

Visit bike-manual.com

Key Findings

We analyzed Bike-manual.com page load time and found that the first response time was 106 ms and then it took 789 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

bike-manual.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value17.6 s

0/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value3,350 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

bike-manual.com

106 ms

screen.css

243 ms

analytics.js

15 ms

trek_logo_horizontal_red_black

34 ms

fisher.gif

282 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 63% of them (5 requests) were addressed to the original Bike-manual.com, 25% (2 requests) were made to Google-analytics.com and 13% (1 request) were made to S7d4.scene7.com. The less responsive or slowest element that took the longest time to load (282 ms) belongs to the original domain Bike-manual.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.8 kB (59%)

Content Size

65.7 kB

After Optimization

26.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bike-manual.com main page is 65.7 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. Only 5% of websites need less resources to load. Javascripts take 52.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 4.6 kB

  • Original 6.2 kB
  • After minification 4.3 kB
  • After compression 1.5 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. This page needs HTML code to be minified as it can gain 1.9 kB, which is 30% 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 4.6 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 249 B

  • Original 4.0 kB
  • After minification 3.8 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. Bike Manual images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-76%

Potential reduce by 2.0 kB

  • Original 2.6 kB
  • After minification 1.5 kB
  • After compression 617 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. Bike-manual.com needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bike Manual. According to our analytics all requests are already optimized.

Network Requests Diagram

bike-manual.com

bike-manual.com

106 ms

screen.css

screen.css

243 ms

analytics.js

analytics.js

15 ms

trek_logo_horizontal_red_black

trek_logo_horizontal_red_black

34 ms

fisher.gif

fisher.gif

282 ms

lemond.gif

lemond.gif

167 ms

klein.gif

klein.gif

28 ms

collect

collect

13 ms

Accessibility Review

bike-manual.com accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

bike-manual.com best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bike-manual.com SEO score

77

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a valid hreflang

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 Bike-manual.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 Bike-manual.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

bike-manual.com

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