Tools & Wizards About Us
jakubskowronski.com screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

jakubskowronski.com

Jakub Skowroński | Freelance Front-end Developer | Portfolio

Page Load Speed

2.1 sec in total

First Response

635 ms

Resources Loaded

1.4 sec

Page Rendered

62 ms

jakubskowronski.com screenshot

About Website

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

I specialize in building meaningful digital products and interactive experiences. Check out my portfolio and references.

Visit jakubskowronski.com

Key Findings

We analyzed Jakubskowronski.com page load time and found that the first response time was 635 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

jakubskowronski.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

jakubskowronski.com

635 ms

css2

32 ms

yhj3yf4jwiearbesr2b46dsciresnqic

392 ms

polyfill-e1b2b95eb6907613edeb.js

18 ms

component---src-pages-index-js-d42014dfff12096105b5.js

718 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 64% of them (9 requests) were addressed to the original Jakubskowronski.com, 14% (2 requests) were made to Connect.facebook.net and 7% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (718 ms) belongs to the original domain Jakubskowronski.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.2 kB (31%)

Content Size

572.8 kB

After Optimization

397.6 kB

  • HTML
  • JavaScript

In fact, the total size of Jakubskowronski.com main page is 572.8 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 352.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 175.0 kB

  • Original 220.1 kB
  • After minification 220.1 kB
  • After compression 45.0 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 175.0 kB or 80% of the original size.

JavaScript Optimization

-0%

Potential reduce by 156 B

  • Original 352.8 kB
  • After minification 352.7 kB
  • After compression 352.6 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.

Requests Breakdown

Number of requests can be reduced by 11 (85%)

Requests Now

13

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jakub Skowronski. 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 as a result speed up the page load time.

Network Requests Diagram

jakubskowronski.com

jakubskowronski.com

635 ms

css2

css2

32 ms

yhj3yf4jwiearbesr2b46dsciresnqic

yhj3yf4jwiearbesr2b46dsciresnqic

392 ms

polyfill-e1b2b95eb6907613edeb.js

polyfill-e1b2b95eb6907613edeb.js

18 ms

component---src-pages-index-js-d42014dfff12096105b5.js

component---src-pages-index-js-d42014dfff12096105b5.js

718 ms

1bfc9850-87b204ed1d959de4ce53.js

1bfc9850-87b204ed1d959de4ce53.js

390 ms

app-437d51506be438c76c21.js

app-437d51506be438c76c21.js

594 ms

dc6a8720040df98778fe970bf6c000a41750d3ae-a024d164164c00749094.js

dc6a8720040df98778fe970bf6c000a41750d3ae-a024d164164c00749094.js

41 ms

b637e9a5-82890cccdcace2892319.js

b637e9a5-82890cccdcace2892319.js

482 ms

framework-b9ff0364eb6e740374dc.js

framework-b9ff0364eb6e740374dc.js

43 ms

webpack-runtime-980c4f75f3130dccc41c.js

webpack-runtime-980c4f75f3130dccc41c.js

50 ms

fbevents.js

fbevents.js

55 ms

analytics.js

analytics.js

116 ms

738990566963643

738990566963643

219 ms

Accessibility Review

jakubskowronski.com accessibility score

91

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Links do not have a discernible name

Best Practices

jakubskowronski.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jakubskowronski.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 Jakubskowronski.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 Jakubskowronski.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

jakubskowronski.com

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