Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

recaptcha.com

reCAPTCHA: Easy on Humans, Hard on Bots

Page Load Speed

1.5 sec in total

First Response

47 ms

Resources Loaded

574 ms

Page Rendered

859 ms

recaptcha.com screenshot

About Website

Visit recaptcha.com now to see the best up-to-date ReCAPTCHA content and also check out these interesting facts you probably never knew about recaptcha.com

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Key Findings

We analyzed Recaptcha.com page load time and found that the first response time was 47 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

recaptcha.com performance score

0

Network Requests Diagram

recaptcha.com

47 ms

www.recaptcha.net

100 ms

recaptcha

104 ms

index.html

16 ms

css

67 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Recaptcha.com, 68% (28 requests) were made to Google.com and 10% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (174 ms) relates to the external source Youtube.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 420.6 kB (15%)

Content Size

2.8 MB

After Optimization

2.4 MB

In fact, the total size of Recaptcha.com main page is 2.8 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. 65% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 20.0 kB

  • Original 24.4 kB
  • After minification 15.5 kB
  • After compression 4.4 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 8.9 kB, which is 36% 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 20.0 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 14.0 kB

  • Original 2.2 MB
  • After minification 2.2 MB

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. ReCAPTCHA images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 156.6 kB

  • Original 265.9 kB
  • After minification 265.8 kB
  • After compression 109.3 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 156.6 kB or 59% of the original size.

CSS Optimization

-79%

Potential reduce by 230.1 kB

  • Original 290.5 kB
  • After minification 283.9 kB
  • After compression 60.4 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. Recaptcha.com needs all CSS files to be minified and compressed as it can save up to 230.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (35%)

Requests Now

37

After Optimization

24

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ReCAPTCHA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

SEO Factors

recaptcha.com SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Recaptcha.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 Recaptcha.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 description is not detected on the main page of ReCAPTCHA. 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: