Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

captchas.io

Auto CAPTCHA Bypass & Solver API Web Service Provider

Page Load Speed

2.6 sec in total

First Response

220 ms

Resources Loaded

1.8 sec

Page Rendered

559 ms

captchas.io screenshot

About Website

Welcome to captchas.io homepage info - get ready to check CAPTCHA S best content for Bangladesh right away, or after learning these important things about captchas.io

One of the fastest, accurate, and unlimited automated captcha recognition & bypass API web service provider online. Supports image captchas, FunCAPTCHA, GeeTest, hCAPTCHA, reCAPTCHA v2, v3 and invisib...

Visit captchas.io

Key Findings

We analyzed Captchas.io page load time and found that the first response time was 220 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

captchas.io performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

captchas.io

220 ms

captchas.io

404 ms

pace-theme-minimal.css

269 ms

font-awesome.min.css

63 ms

bootstrap.min.css

285 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 41% of them (23 requests) were addressed to the original Captchas.io, 23% (13 requests) were made to Embed.tawk.to and 4% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (642 ms) relates to the external source Widgetsquad.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.0 kB (36%)

Content Size

1.1 MB

After Optimization

674.5 kB

In fact, the total size of Captchas.io main page is 1.1 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. 45% of websites need less resources to load. Images take 454.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 47.4 kB

  • Original 55.9 kB
  • After minification 48.1 kB
  • After compression 8.5 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. This page needs HTML code to be minified as it can gain 7.7 kB, which is 14% 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 47.4 kB or 85% of the original size.

Image Optimization

-15%

Potential reduce by 70.2 kB

  • Original 454.8 kB
  • After minification 384.6 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, CAPTCHA S needs image optimization as it can save up to 70.2 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-36%

Potential reduce by 147.8 kB

  • Original 405.0 kB
  • After minification 398.9 kB
  • After compression 257.2 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 147.8 kB or 36% of the original size.

CSS Optimization

-83%

Potential reduce by 116.5 kB

  • Original 140.8 kB
  • After minification 132.8 kB
  • After compression 24.3 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. Captchas.io needs all CSS files to be minified and compressed as it can save up to 116.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (79%)

Requests Now

52

After Optimization

11

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CAPTCHA S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

captchas.io accessibility score

71

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

captchas.io best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

captchas.io SEO score

93

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Captchas.io 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 Captchas.io main page’s claimed encoding is iso-8859-1. 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 data is detected on the main page of CAPTCHA S. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: