Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

sports-reference.com

Sports Reference | Sports Stats, fast, easy, and up-to-date | Sports-Reference.com

Page Load Speed

999 ms in total

First Response

150 ms

Resources Loaded

713 ms

Page Rendered

136 ms

sports-reference.com screenshot

About Website

Visit sports-reference.com now to see the best up-to-date Sports Reference content for United States and also check out these interesting facts you probably never knew about sports-reference.com

Sports Stats, fast, easy, and up-to-date. A group of sites providing both basic and sabermetric statistics and resources for sports fans everywhere. Our aim is to be the easiest-to-use, fastest, most ...

Visit sports-reference.com

Key Findings

We analyzed Sports-reference.com page load time and found that the first response time was 150 ms and then it took 849 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

sports-reference.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value1,230 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

sports-reference.com

150 ms

www.sports-reference.com

274 ms

sr-base-min.js.jgz

26 ms

sr.gzipcheck.js.jgz

9 ms

www.pro-football-reference.com

228 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 14% of them (4 requests) were addressed to the original Sports-reference.com, 24% (7 requests) were made to D2ft4b0ve1aur1.cloudfront.net and 17% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (274 ms) belongs to the original domain Sports-reference.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 457.0 kB (68%)

Content Size

671.5 kB

After Optimization

214.5 kB

In fact, the total size of Sports-reference.com main page is 671.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 552.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 16.9 kB

  • Original 23.0 kB
  • After minification 22.3 kB
  • After compression 6.1 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 16.9 kB or 74% of the original size.

Image Optimization

-11%

Potential reduce by 1.8 kB

  • Original 16.8 kB
  • After minification 15.0 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, Sports Reference needs image optimization as it can save up to 1.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 372.6 kB

  • Original 552.1 kB
  • After minification 550.5 kB
  • After compression 179.5 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 372.6 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 65.8 kB

  • Original 79.6 kB
  • After minification 79.5 kB
  • After compression 13.8 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. Sports-reference.com needs all CSS files to be minified and compressed as it can save up to 65.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (41%)

Requests Now

27

After Optimization

16

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sports Reference. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sports-reference.com accessibility score

100

Accessibility Issues

Best Practices

sports-reference.com 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

sports-reference.com SEO score

93

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sports-reference.com 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 Sports-reference.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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