1.3 sec in total
214 ms
952 ms
159 ms
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.orgWe analyzed Railroad.lindahall.org page load time and found that the first response time was 214 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 20% of websites can load faster.
railroad.lindahall.org performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value8.1 s
2/100
25%
Value5.6 s
52/100
10%
Value800 ms
36/100
30%
Value0.002
100/100
15%
Value7.3 s
49/100
10%
214 ms
63 ms
154 ms
219 ms
66 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 93% of them (37 requests) were addressed to the original Railroad.lindahall.org, 8% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (483 ms) belongs to the original domain Railroad.lindahall.org.
Page size can be reduced by 403.0 kB (34%)
1.2 MB
769.2 kB
In fact, the total size of Railroad.lindahall.org 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. 20% of websites need less resources to load. Images take 713.0 kB which makes up the majority of the site volume.
Potential reduce by 22.7 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 3.7 kB, which is 12% 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 22.7 kB or 75% of the original size.
Potential reduce by 59.8 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. Railroad Linda Hall images are well optimized though.
Potential reduce by 275.1 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 275.1 kB or 72% of the original size.
Potential reduce by 45.4 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.
Number of requests can be reduced by 11 (28%)
39
28
The browser has sent 39 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 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
railroad.lindahall.org
214 ms
style.css
63 ms
jquery-1.4.2.min.js
154 ms
jquery-ui-1.8.4.custom.min.js
219 ms
load.js
66 ms
map.js
68 ms
jquery-ui-1.8.4.custom.css
129 ms
jquery.tooltip.css
119 ms
jquery.bgiframe.js
126 ms
jquery.tooltip.js
131 ms
jquery.fancybox-1.3.1.edited.css
182 ms
jquery.fancybox-1.3.1.edited.js
242 ms
analytics.js
33 ms
bg-gradient.jpg
32 ms
banner.png
122 ms
sep.png
63 ms
red-dot-brown-bg.jpg
64 ms
bnsf.jpg
64 ms
map.jpg
186 ms
mapoverlay.png
94 ms
red-dot-lg.png
123 ms
1_sacramento200.jpg
186 ms
red-dot-sm.png
127 ms
2_SummitTunnel200.jpg
218 ms
3_snow_sheds200.jpg
242 ms
4_BloomerCut200.jpg
248 ms
5_tenMileDay200.jpg
250 ms
6_PromontorySummit200.jpg
307 ms
7_daleCreek200.jpg
308 ms
8_ShermanSummit5_200.jpg
341 ms
9_HellTowns200.jpg
363 ms
10_Omaha200.jpg
367 ms
engine.png
312 ms
sep-light.jpg
367 ms
sep2.png
367 ms
travel-along-railway.jpg
371 ms
hop-on-the-quiz-train.png
401 ms
locomotive.png
483 ms
linkid.js
5 ms
collect
12 ms
railroad.lindahall.org accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
railroad.lindahall.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
railroad.lindahall.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Image elements do not have [alt] attributes
EN
N/A
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 neither this language nor any other was claimed in <html> or <meta> tags. 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.
railroad.lindahall.org
Open Graph description is not detected on the main page of Railroad Linda Hall. 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: