Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

pro.coinmarketcap.com

The World's Number 1 Cryptocurrency Market Data API

Page Load Speed

566 ms in total

First Response

10 ms

Resources Loaded

376 ms

Page Rendered

180 ms

pro.coinmarketcap.com screenshot

About Website

Welcome to pro.coinmarketcap.com homepage info - get ready to check Pro Coin Market Cap best content for United States right away, or after learning these important things about pro.coinmarketcap.com

Use CoinMarketCap's crypto API to get the best, most accurate real-time, historical cryptocurrency, DEX and exchange trade data for Bitcoin, Ethereum and more.

Visit pro.coinmarketcap.com

Key Findings

We analyzed Pro.coinmarketcap.com page load time and found that the first response time was 10 ms and then it took 556 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

pro.coinmarketcap.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value2.9 s

94/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.171

70/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

pro.coinmarketcap.com

10 ms

pro.coinmarketcap.com

26 ms

25 ms

b509f17ce97a52cc.css

65 ms

8419a25ad9d67d70.css

138 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 Pro.coinmarketcap.com, 86% (18 requests) were made to S2.coinmarketcap.com and 5% (1 request) were made to Coinmarketcap.com. The less responsive or slowest element that took the longest time to load (319 ms) relates to the external source S2.coinmarketcap.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 120.8 kB (16%)

Content Size

758.2 kB

After Optimization

637.4 kB

In fact, the total size of Pro.coinmarketcap.com main page is 758.2 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. 20% of websites need less resources to load. Javascripts take 379.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 63.2 kB

  • Original 80.7 kB
  • After minification 80.6 kB
  • After compression 17.5 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 63.2 kB or 78% of the original size.

Image Optimization

-20%

Potential reduce by 56.8 kB

  • Original 289.4 kB
  • After minification 232.6 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, Pro Coin Market Cap needs image optimization as it can save up to 56.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 593 B

  • Original 379.1 kB
  • After minification 379.1 kB
  • After compression 378.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 233 B

  • Original 9.0 kB
  • After minification 9.0 kB
  • After compression 8.8 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. Pro.coinmarketcap.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pro Coin Market Cap. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

pro.coinmarketcap.com accessibility score

91

Accessibility Issues

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

High

Image elements do not have [alt] attributes

Best Practices

pro.coinmarketcap.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

pro.coinmarketcap.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Pro.coinmarketcap.com 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 Pro.coinmarketcap.com 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 Pro Coin Market Cap. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: