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alsa.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

alsa.com

Hasta donde tú quieras. Soluciones de movilidad - Alsa

Page Load Speed

3.2 sec in total

First Response

319 ms

Resources Loaded

2.6 sec

Page Rendered

231 ms

alsa.com screenshot

About Website

Welcome to alsa.com homepage info - get ready to check Alsa best content for Spain right away, or after learning these important things about alsa.com

Compra billetes de autobús al mejor precio. En Alsa ofrecemos alquiler de autobuses, ofertas de viajes, servicios a bordo e información de rutas y horarios.

Visit alsa.com

Key Findings

We analyzed Alsa.com page load time and found that the first response time was 319 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

alsa.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value5,300 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

alsa.com

319 ms

www.alsa.com

785 ms

sdk.min.js

242 ms

loader.js

508 ms

main.css

239 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 12% of them (7 requests) were addressed to the original Alsa.com, 73% (44 requests) were made to Estaticos.alsa.es and 5% (3 requests) were made to Sdk.privacy-center.org. The less responsive or slowest element that took the longest time to load (785 ms) belongs to the original domain Alsa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 846.7 kB (69%)

Content Size

1.2 MB

After Optimization

387.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Alsa.com main page is 1.2 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. 70% of websites need less resources to load. Javascripts take 875.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 296.2 kB

  • Original 356.8 kB
  • After minification 329.7 kB
  • After compression 60.6 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 296.2 kB or 83% of the original size.

Image Optimization

-31%

Potential reduce by 478 B

  • Original 1.6 kB
  • After minification 1.1 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, Alsa needs image optimization as it can save up to 478 B or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 550.1 kB

  • Original 875.7 kB
  • After minification 875.5 kB
  • After compression 325.6 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 550.1 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (87%)

Requests Now

52

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alsa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alsa.com

alsa.com

319 ms

www.alsa.com

www.alsa.com

785 ms

sdk.min.js

sdk.min.js

242 ms

loader.js

loader.js

508 ms

main.css

main.css

239 ms

mentions.css

mentions.css

239 ms

aui.css

aui.css

295 ms

main.css

main.css

243 ms

combo

combo

267 ms

js_loader_modules

js_loader_modules

248 ms

barebone.jsp

barebone.jsp

270 ms

js_bundle_config

js_bundle_config

284 ms

combo

combo

262 ms

main.css

main.css

272 ms

combo

combo

273 ms

combo

combo

284 ms

alsa.min.js

alsa.min.js

199 ms

angular-locale_es_ES.js

angular-locale_es_ES.js

382 ms

jquery.validator.es_ES.js

jquery.validator.es_ES.js

196 ms

client

client

73 ms

buspluslogin-min.js

buspluslogin-min.js

377 ms

backbuttonhistory-min.js

backbuttonhistory-min.js

382 ms

main.css

main.css

205 ms

clickelementoutsidejquery-min.js

clickelementoutsidejquery-min.js

376 ms

jwt-decode.js

jwt-decode.js

34 ms

busplusresetpassword-min.js

busplusresetpassword-min.js

381 ms

recoverPasswordService.js

recoverPasswordService.js

376 ms

recover-password.css

recover-password.css

377 ms

jwt-decode.js

jwt-decode.js

23 ms

journeysearch-new.css

journeysearch-new.css

290 ms

journeysearch-min.js

journeysearch-min.js

287 ms

clickelementoutside-min.js

clickelementoutside-min.js

288 ms

combo

combo

275 ms

main.js

main.js

273 ms

_Incapsula_Resource

_Incapsula_Resource

27 ms

logo-alsa.svg

logo-alsa.svg

93 ms

logo-alsa.svg

logo-alsa.svg

95 ms

dff81801-5ce3-b2da-8fe5-2bb27ed9f70a

dff81801-5ce3-b2da-8fe5-2bb27ed9f70a

328 ms

0465a20a-89b0-8b69-ce1a-750f0657377c

0465a20a-89b0-8b69-ce1a-750f0657377c

328 ms

12 ms

Alsa-Light_20191217.woff

Alsa-Light_20191217.woff

229 ms

sdk.9bcdbe6579aaa9e3dc2d528290387e190cb5e888.js

sdk.9bcdbe6579aaa9e3dc2d528290387e190cb5e888.js

15 ms

214 ms

ui-gdpr-es-web.9bcdbe6579aaa9e3dc2d528290387e190cb5e888.js

ui-gdpr-es-web.9bcdbe6579aaa9e3dc2d528290387e190cb5e888.js

8 ms

188 ms

gtm.js

gtm.js

165 ms

our-font-v2.woff

our-font-v2.woff

15 ms

Alsa-Regular_20191217.woff

Alsa-Regular_20191217.woff

28 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

53 ms

26 ms

229 ms

57 ms

_Incapsula_Resource

_Incapsula_Resource

156 ms

style-generic.css

style-generic.css

140 ms

widget.js

widget.js

38 ms

available_languages.jsp

available_languages.jsp

21 ms

44 ms

19 ms

widget_app_base_1718355665557.js

widget_app_base_1718355665557.js

35 ms

style-generic.css

style-generic.css

17 ms

Accessibility Review

alsa.com accessibility score

82

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

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

alsa.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

Missing source maps for large first-party JavaScript

SEO Factors

alsa.com SEO score

85

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

High

Page is blocked from indexing

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

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alsa.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Alsa.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

alsa.com

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