Access jangiacomelli.com. Jan Giacomelli - Experienced software engineer and startup founder

Report Summary

About Website

Welcome to jangiacomelli.com homepage info - get ready to check Jan Giacomelli best content right away, or after learning these important things about jangiacomelli.com

Experienced software engineer and startup founder. I can help you build serverless microservices on AWS and use Python from the web to ML.

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name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value9.9 s

9/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.172

70/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

jangiacomelli.com

801 ms

wp-emoji-release.min.js

303 ms

style.min.css

560 ms

all.min.css

557 ms

v4-shims.min.css

445 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 84% of them (37 requests) were addressed to the original Jangiacomelli.com, 14% (6 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (893 ms) belongs to the original domain Jangiacomelli.com.

Content Size

1.6 MB

After Optimization

945.0 kB

In fact, the total size of Jangiacomelli.com main page is 1.6 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. 50% of websites need less resources to load. Images take 774.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 35.4 kB

Original 45.1 kB
After minification 43.1 kB
After compression 9.7 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. 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 35.4 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 12.9 kB

Original 774.3 kB
After minification 761.5 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. Jan Giacomelli images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 181.2 kB

Original 265.2 kB
After minification 265.0 kB
After compression 84.0 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 181.2 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 460.1 kB

Original 549.9 kB
After minification 546.8 kB
After compression 89.8 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. Jangiacomelli.com needs all CSS files to be minified and compressed as it can save up to 460.1 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jan Giacomelli. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Jangiacomelli.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 Jangiacomelli.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

jangiacomelli.com

Open Graph data is detected on the main page of Jan Giacomelli. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Jan Giacomelli - Experienced software engineer and startup founder

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)