Tools & Wizards About Us

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

omarbarbosa.com

Omar Barbosa - Computer engineer

Page Load Speed

2.1 sec in total

First Response

197 ms

Resources Loaded

1.4 sec

Page Rendered

502 ms

About Website

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

Blog by Omar Barbosa, web developer, I share tutorials and courses on Python, PHP, Javascript, linux, security and application deployment

Visit omarbarbosa.com

Key Findings

We analyzed Omarbarbosa.com page load time and found that the first response time was 197 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

omarbarbosa.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

omarbarbosa.com

197 ms

omarbarbosa.com

421 ms

css

51 ms

css

68 ms

app.css

176 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 63% of them (17 requests) were addressed to the original Omarbarbosa.com, 22% (6 requests) were made to Fonts.gstatic.com and 11% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (671 ms) belongs to the original domain Omarbarbosa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.1 kB (3%)

Content Size

876.9 kB

After Optimization

848.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Omarbarbosa.com main page is 876.9 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. 30% of websites need less resources to load. Javascripts take 432.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 22.8 kB

  • Original 27.5 kB
  • After minification 21.2 kB
  • After compression 4.8 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 6.3 kB, which is 23% 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 22.8 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 4.5 kB

  • Original 375.8 kB
  • After minification 371.3 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. Omar Barbosa images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 873 B

  • Original 432.6 kB
  • After minification 432.6 kB
  • After compression 431.7 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.

CSS Optimization

-0%

Potential reduce by 2 B

  • Original 41.0 kB
  • After minification 41.0 kB
  • After compression 41.0 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. Omarbarbosa.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (25%)

Requests Now

16

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Omar Barbosa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

omarbarbosa.com accessibility score

93

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

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

omarbarbosa.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

omarbarbosa.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 Omarbarbosa.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 Omarbarbosa.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 data is detected on the main page of Omar Barbosa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: