Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

railroad.lindahall.org

The Transcontinental Railroad - Linda Hall Library

Page Load Speed

1.1 sec in total

First Response

29 ms

Resources Loaded

774 ms

Page Rendered

305 ms

railroad.lindahall.org screenshot

About Website

Welcome to railroad.lindahall.org homepage info - get ready to check Railroad Linda Hall best content for United States right away, or after learning these important things about railroad.lindahall.org

The Linda Hall Library Transcontinental Railroad website was created with generous support from the BNSF (Burlington Northern Santa Fe) Foundation. The site offers visitors a brief history of the buil...

Visit railroad.lindahall.org

Key Findings

We analyzed Railroad.lindahall.org page load time and found that the first response time was 29 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

railroad.lindahall.org performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

74/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.274

44/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

railroad.lindahall.org

29 ms

railroad.lindahall.org

40 ms

183 ms

gtm.js

59 ms

lhl-wide-logo.svg

223 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 10% of them (2 requests) were addressed to the original Railroad.lindahall.org, 86% (18 requests) were made to Lindahall.org and 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (494 ms) relates to the external source Lindahall.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 520.1 kB (39%)

Content Size

1.3 MB

After Optimization

801.1 kB

In fact, the total size of Railroad.lindahall.org main page is 1.3 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 10% of websites need less resources to load. Images take 713.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 171.7 kB

  • Original 211.1 kB
  • After minification 210.7 kB
  • After compression 39.4 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 171.7 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 59.8 kB

  • Original 713.0 kB
  • After minification 653.2 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. Railroad Linda Hall images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 243.1 kB

  • Original 349.0 kB
  • After minification 323.1 kB
  • After compression 105.8 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 243.1 kB or 70% of the original size.

CSS Optimization

-94%

Potential reduce by 45.4 kB

  • Original 48.1 kB
  • After minification 11.0 kB
  • After compression 2.7 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. Railroad.lindahall.org needs all CSS files to be minified and compressed as it can save up to 45.4 kB or 94% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (50%)

Requests Now

18

After Optimization

9

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Railroad Linda Hall. 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 as a result speed up the page load time.

Accessibility Review

railroad.lindahall.org accessibility score

100

Accessibility Issues

Best Practices

railroad.lindahall.org best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

railroad.lindahall.org SEO score

99

Search Engine Optimization Advices

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 Railroad.lindahall.org 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 Railroad.lindahall.org 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 data is detected on the main page of Railroad Linda Hall. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: