Tools & Wizards About Us
shuttl.com screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

shuttl.com

Shuttl - App Based Office Bus

Page Load Speed

4.4 sec in total

First Response

958 ms

Resources Loaded

3.2 sec

Page Rendered

303 ms

shuttl.com screenshot

About Website

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Key Findings

We analyzed Shuttl.com page load time and found that the first response time was 958 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

shuttl.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

shuttl.com

958 ms

bootstrap.css

1116 ms

base.css

385 ms

skeleton.css

388 ms

flexslider.css

389 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 61% of them (20 requests) were addressed to the original Shuttl.com, 33% (11 requests) were made to 0 and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Shuttl.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 515.1 kB (72%)

Content Size

717.6 kB

After Optimization

202.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shuttl.com main page is 717.6 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. CSS take 331.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 12.2 kB

  • Original 16.0 kB
  • After minification 13.0 kB
  • After compression 3.8 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 19% 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 12.2 kB or 76% of the original size.

Image Optimization

-40%

Potential reduce by 54.0 kB

  • Original 135.2 kB
  • After minification 81.2 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, Shuttl needs image optimization as it can save up to 54.0 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 158.6 kB

  • Original 234.8 kB
  • After minification 231.8 kB
  • After compression 76.1 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 158.6 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 290.2 kB

  • Original 331.6 kB
  • After minification 264.2 kB
  • After compression 41.3 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. Shuttl.com needs all CSS files to be minified and compressed as it can save up to 290.2 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (50%)

Requests Now

32

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shuttl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shuttl.com

shuttl.com

958 ms

bootstrap.css

bootstrap.css

1116 ms

base.css

base.css

385 ms

skeleton.css

skeleton.css

388 ms

flexslider.css

flexslider.css

389 ms

magnific-popup.css

magnific-popup.css

561 ms

rome.css

rome.css

1136 ms

layout.css

layout.css

772 ms

devices.css

devices.css

1157 ms

animate.css

animate.css

1187 ms

css

css

27 ms

banner-1439005308.png

banner-1439005308.png

558 ms

banner-1437045702.png

banner-1437045702.png

388 ms

banner-1437045715.png

banner-1437045715.png

389 ms

banner-1437045729.png

banner-1437045729.png

447 ms

banner-1437045707.png

banner-1437045707.png

459 ms

banner-1437045719.png

banner-1437045719.png

580 ms

banner-1437045711.png

banner-1437045711.png

757 ms

logo.png

logo.png

1128 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

1423 ms

jquery-ui-1.10.4.min.js

jquery-ui-1.10.4.min.js

1441 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

1420 ms

magnific-popup.0.9.9.js

magnific-popup.0.9.9.js

1447 ms

modernizr.js

modernizr.js

1322 ms

waypoints.js

waypoints.js

1287 ms

rome.js

rome.js

1670 ms

bootstrap.min.js

bootstrap.min.js

1875 ms

badge_appstore-lrg.svg

badge_appstore-lrg.svg

30 ms

banner-1437494557.png

banner-1437494557.png

193 ms

shuttl-banner.png

shuttl-banner.png

1264 ms

banner-1437494573.png

banner-1437494573.png

373 ms

banner-1437494568.png

banner-1437494568.png

373 ms

banner-1437494563.png

banner-1437494563.png

582 ms

Accessibility Review

shuttl.com accessibility score

91

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.

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

shuttl.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

Missing source maps for large first-party JavaScript

SEO Factors

shuttl.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    EN

  • Encoding

    UTF-8

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

shuttl.com

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