Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

caltrain.com

Home | Caltrain

Page Load Speed

3 sec in total

First Response

37 ms

Resources Loaded

1.4 sec

Page Rendered

1.6 sec

caltrain.com screenshot

About Website

Welcome to caltrain.com homepage info - get ready to check Caltrain best content for United States right away, or after learning these important things about caltrain.com

Visit caltrain.com

Key Findings

We analyzed Caltrain.com page load time and found that the first response time was 37 ms and then it took 3 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

caltrain.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value18.1 s

0/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value2,040 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

Network Requests Diagram

caltrain.com

37 ms

www.caltrain.com

36 ms

css_nj09-HUlNJuj4OirXxrqM4LKxH7GYNqG_da2NGa6iXA.css

11 ms

css_kUDSZx-m7e1wfZblyr1_kDFenx40HlgI01yX1uDDg8I.css

22 ms

css_KyfUzxcCRzMcXVJj1m2PGsuMl9xtmMwKFgAeYfWvH6k.css

38 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 51% of them (36 requests) were addressed to the original Caltrain.com, 9% (6 requests) were made to Tags.tiqcdn.com and 9% (6 requests) were made to Match.adsrvr.org. The less responsive or slowest element that took the longest time to load (386 ms) belongs to the original domain Caltrain.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (17%)

Content Size

7.6 MB

After Optimization

6.3 MB

In fact, the total size of Caltrain.com main page is 7.6 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 617.6 kB

  • Original 708.0 kB
  • After minification 646.7 kB
  • After compression 90.4 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 617.6 kB or 87% of the original size.

Image Optimization

-8%

Potential reduce by 511.8 kB

  • Original 6.1 MB
  • After minification 5.6 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. Caltrain images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 102.2 kB

  • Original 646.7 kB
  • After minification 646.7 kB
  • After compression 544.5 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 102.2 kB or 16% of the original size.

CSS Optimization

-23%

Potential reduce by 38.4 kB

  • Original 164.9 kB
  • After minification 164.9 kB
  • After compression 126.5 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. Caltrain.com needs all CSS files to be minified and compressed as it can save up to 38.4 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (41%)

Requests Now

54

After Optimization

32

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Caltrain. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

caltrain.com accessibility score

97

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

Best Practices

caltrain.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

caltrain.com SEO score

82

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Caltrain.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 Caltrain.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 Caltrain. 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: