Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

4programmers.net

Programowanie: serwis dla programistów

Page Load Speed

2.1 sec in total

First Response

44 ms

Resources Loaded

1.8 sec

Page Rendered

257 ms

4programmers.net screenshot

About Website

Click here to check amazing 4 Programmers content for Poland. Otherwise, check out these important facts you probably never knew about 4programmers.net

Serwis poświęcony programowaniu. Posiadamy 1 mln postów na forum dyskusyjnym, oferty pracy, artykuły i mikroblogi.

Visit 4programmers.net

Key Findings

We analyzed 4programmers.net page load time and found that the first response time was 44 ms and then it took 2 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

4programmers.net performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value5,080 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value21.6 s

1/100

10%

Network Requests Diagram

4programmers.net

44 ms

4programmers.net

937 ms

gtm.js

57 ms

core-bb31cbbc297c517f672f.css

251 ms

css

40 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 68% of them (30 requests) were addressed to the original 4programmers.net, 7% (3 requests) were made to Fonts.googleapis.com and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (963 ms) belongs to the original domain 4programmers.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 380.4 kB (50%)

Content Size

765.5 kB

After Optimization

385.2 kB

In fact, the total size of 4programmers.net main page is 765.5 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. 35% of websites need less resources to load. HTML takes 468.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 366.9 kB

  • Original 468.8 kB
  • After minification 438.6 kB
  • After compression 101.9 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 366.9 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 13.1 kB

  • Original 163.0 kB
  • After minification 150.0 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. 4 Programmers images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 224 B

  • Original 94.4 kB
  • After minification 94.4 kB
  • After compression 94.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 193 B

  • Original 39.3 kB
  • After minification 39.3 kB
  • After compression 39.1 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. 4programmers.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (41%)

Requests Now

37

After Optimization

22

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Programmers. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

4programmers.net accessibility score

73

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 progressbar elements do not have accessible names.

High

[role]s are not contained by their required parent element

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

4programmers.net 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

4programmers.net 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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4programmers.net can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that 4programmers.net 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 4 Programmers. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: