Tools & Wizards About Us
onlinecolorization.com screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

onlinecolorization.com

Free Online Colorization | Convert Black and White Photos into Color

Page Load Speed

260 ms in total

First Response

55 ms

Resources Loaded

205 ms

Page Rendered

0 ms

onlinecolorization.com screenshot

About Website

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

Online Colorization Tool can be used to convert black and white photos and images into color images just in few seconds. Colorize your old photos now.

Visit onlinecolorization.com

Key Findings

We analyzed Onlinecolorization.com page load time and found that the first response time was 55 ms and then it took 205 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

onlinecolorization.com performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value440 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.355

31/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

Network Requests Diagram

onlinecolorization.com

55 ms

onlinecolorization.com

48 ms

css

31 ms

output.css

19 ms

js

70 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 75% of them (6 requests) were addressed to the original Onlinecolorization.com, 13% (1 request) were made to Fonts.googleapis.com and 13% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (70 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.7 kB (27%)

Content Size

113.3 kB

After Optimization

82.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onlinecolorization.com main page is 113.3 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 10% of websites need less resources to load. Images take 86.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 5.9 kB

  • Original 7.6 kB
  • After minification 5.3 kB
  • After compression 1.7 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 2.3 kB, which is 30% 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 5.9 kB or 77% of the original size.

Image Optimization

-11%

Potential reduce by 9.2 kB

  • Original 86.9 kB
  • After minification 77.7 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, Online Colorization needs image optimization as it can save up to 9.2 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

-58%

Potential reduce by 257 B

  • Original 441 B
  • After minification 441 B
  • After compression 184 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 257 B or 58% of the original size.

CSS Optimization

-84%

Potential reduce by 15.4 kB

  • Original 18.4 kB
  • After minification 11.1 kB
  • After compression 3.0 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. Onlinecolorization.com needs all CSS files to be minified and compressed as it can save up to 15.4 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Colorization. According to our analytics all requests are already optimized.

Network Requests Diagram

onlinecolorization.com

onlinecolorization.com

55 ms

onlinecolorization.com

onlinecolorization.com

48 ms

css

css

31 ms

output.css

output.css

19 ms

js

js

70 ms

general_script.js

general_script.js

24 ms

colorize-black-and-white-photo-online-free.jpg

colorize-black-and-white-photo-online-free.jpg

8 ms

convert-black-and-white-image-to-color.jpg

convert-black-and-white-image-to-color.jpg

21 ms

Accessibility Review

onlinecolorization.com accessibility score

81

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

Buttons do not have an accessible name

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.

Best Practices

onlinecolorization.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

SEO Factors

onlinecolorization.com 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 Onlinecolorization.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 Onlinecolorization.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

onlinecolorization.com

Open Graph description is not detected on the main page of Online Colorization. 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: