Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

nrhsphiladelphia.org

National Railway Historical Society - Philadelphia Chapter - Home

Page Load Speed

3.3 sec in total

First Response

1.3 sec

Resources Loaded

1.9 sec

Page Rendered

206 ms

About Website

Welcome to nrhsphiladelphia.org homepage info - get ready to check Nrhs Philadelphia best content right away, or after learning these important things about nrhsphiladelphia.org

The National Railway Historical Society is the leader in rail preservation, supporting train, railway, and station preservation projects through grants, education, photographic archives, events, publi...

Visit nrhsphiladelphia.org

Key Findings

We analyzed Nrhsphiladelphia.org page load time and found that the first response time was 1.3 sec and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

nrhsphiladelphia.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

nrhsphiladelphia.org

1264 ms

stylesheet_combined_1f80ac82e0eb9cfb1c5ef40e24355200.css

59 ms

body.png

117 ms

bg_banner.png

113 ms

NRHS_LOGO.png

220 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Nrhsphiladelphia.org and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Nrhsphiladelphia.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 446.0 kB (35%)

Content Size

1.3 MB

After Optimization

833.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Nrhsphiladelphia.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. 15% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.5 kB

  • Original 11.8 kB
  • After minification 9.4 kB
  • After compression 3.3 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 2.4 kB, which is 20% 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 8.5 kB or 72% of the original size.

Image Optimization

-34%

Potential reduce by 432.7 kB

  • Original 1.3 MB
  • After minification 828.0 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, Nrhs Philadelphia needs image optimization as it can save up to 432.7 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-64%

Potential reduce by 4.8 kB

  • Original 7.5 kB
  • After minification 7.3 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. Nrhsphiladelphia.org needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 64% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

  • Images
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nrhs Philadelphia. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

nrhsphiladelphia.org accessibility score

93

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

nrhsphiladelphia.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

nrhsphiladelphia.org SEO score

90

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

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 Nrhsphiladelphia.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 Nrhsphiladelphia.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 description is not detected on the main page of Nrhs Philadelphia. 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: