Report Summary

  • 95

    Performance

    Renders faster than
    93% 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

  • 100

    SEO

    Google-friendlier than
    94% of websites

projecteuler.net

About - Project Euler

Page Load Speed

1.3 sec in total

First Response

362 ms

Resources Loaded

826 ms

Page Rendered

92 ms

projecteuler.net screenshot

About Website

Click here to check amazing Project Euler content for United States. Otherwise, check out these important facts you probably never knew about projecteuler.net

A website dedicated to the fascinating world of mathematics and programming

Visit projecteuler.net

Key Findings

We analyzed Projecteuler.net page load time and found that the first response time was 362 ms and then it took 918 ms 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.

Performance Metrics

projecteuler.net performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

projecteuler.net

362 ms

all.min.css

49 ms

style_main.1708163101.css

10 ms

style_default.1627113674.css

20 ms

general.1681854148.js

19 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 89% of them (8 requests) were addressed to the original Projecteuler.net, 11% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (362 ms) belongs to the original domain Projecteuler.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.8 kB (6%)

Content Size

96.3 kB

After Optimization

90.5 kB

In fact, the total size of Projecteuler.net main page is 96.3 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. Only 5% of websites need less resources to load. Images take 82.8 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 2.9 kB

  • Original 5.0 kB
  • After minification 4.9 kB
  • After compression 2.1 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 2.9 kB or 58% of the original size.

Image Optimization

-2%

Potential reduce by 1.3 kB

  • Original 82.8 kB
  • After minification 81.5 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. Project Euler images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 63 B

  • Original 504 B
  • After minification 504 B
  • After compression 441 B

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 63 B or 13% of the original size.

CSS Optimization

-19%

Potential reduce by 1.5 kB

  • Original 8.0 kB
  • After minification 8.0 kB
  • After compression 6.5 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. Projecteuler.net needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 19% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Project Euler. According to our analytics all requests are already optimized.

Accessibility Review

projecteuler.net accessibility score

100

Accessibility Issues

Best Practices

projecteuler.net 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

projecteuler.net SEO score

100

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

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 Projecteuler.net 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 Projecteuler.net 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 Project Euler. 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: