Tools & Wizards About Us
jw-webdev.info screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    80% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

jw-webdev.info

Projektowanie tworzenie stron Toruń Bydgoszcz sklepy internetowe - JW Web

Page Load Speed

2.3 sec in total

First Response

356 ms

Resources Loaded

1.7 sec

Page Rendered

201 ms

jw-webdev.info screenshot

About Website

Visit jw-webdev.info now to see the best up-to-date JW Web Dev content for Poland and also check out these interesting facts you probably never knew about jw-webdev.info

✅ Projektowanie i tworzenie responsywnych stron internetowych, aplikacje CMS, CRM, portale, sklepy internetowe, programowanie PHP, bazy danych. Identyfikacja wizualna firm, grafika, reklama. Toruń Byd...

Visit jw-webdev.info

Key Findings

We analyzed Jw-webdev.info page load time and found that the first response time was 356 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 35% of websites can load faster.

Performance Metrics

jw-webdev.info performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

jw-webdev.info

356 ms

programowanie.js

123 ms

plusone.js

116 ms

projektowanie-stron.css

240 ms

widgets.js

87 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 49% of them (23 requests) were addressed to the original Jw-webdev.info, 17% (8 requests) were made to Apis.google.com and 6% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (971 ms) belongs to the original domain Jw-webdev.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 108.7 kB (33%)

Content Size

330.7 kB

After Optimization

222.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jw-webdev.info main page is 330.7 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. 40% of websites need less resources to load. Images take 255.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 22.6 kB

  • Original 31.4 kB
  • After minification 30.9 kB
  • After compression 8.8 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. 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 22.6 kB or 72% of the original size.

Image Optimization

-26%

Potential reduce by 67.4 kB

  • Original 255.5 kB
  • After minification 188.2 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, JW Web Dev needs image optimization as it can save up to 67.4 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 6.9 kB

  • Original 29.0 kB
  • After minification 28.9 kB
  • After compression 22.1 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 6.9 kB or 24% of the original size.

CSS Optimization

-80%

Potential reduce by 11.9 kB

  • Original 14.8 kB
  • After minification 12.4 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. Jw-webdev.info needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (49%)

Requests Now

45

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JW Web Dev. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jw-webdev.info

jw-webdev.info

356 ms

programowanie.js

programowanie.js

123 ms

plusone.js

plusone.js

116 ms

projektowanie-stron.css

projektowanie-stron.css

240 ms

widgets.js

widgets.js

87 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

20 ms

projektowanie_stron.gif

projektowanie_stron.gif

610 ms

tworzenie-stron.jpg

tworzenie-stron.jpg

971 ms

191_7e94238b2cae84fa6ac224da10840662.jpg

191_7e94238b2cae84fa6ac224da10840662.jpg

615 ms

124_b953bbea980c46a33bf576371fe24cf5.jpg

124_b953bbea980c46a33bf576371fe24cf5.jpg

612 ms

ue.jpg

ue.jpg

615 ms

w1.jpg

w1.jpg

731 ms

w2.jpg

w2.jpg

963 ms

w3.jpg

w3.jpg

893 ms

all.js

all.js

50 ms

tlo.gif

tlo.gif

616 ms

menu1.gif

menu1.gif

632 ms

parser5.gif

parser5.gif

725 ms

panel.gif

panel.gif

749 ms

kontakt.gif

kontakt.gif

798 ms

iko-thunderbird.gif

iko-thunderbird.gif

854 ms

iko-firefox.gif

iko-firefox.gif

867 ms

iko-apache.gif

iko-apache.gif

885 ms

iko-xhtml.gif

iko-xhtml.gif

918 ms

iko-css.gif

iko-css.gif

956 ms

iko-php.gif

iko-php.gif

961 ms

iko-mysql.gif

iko-mysql.gif

971 ms

ga.js

ga.js

38 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

122 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

31 ms

fastbutton

fastbutton

69 ms

111 ms

postmessageRelay

postmessageRelay

58 ms

__utm.gif

__utm.gif

24 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

34 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

37 ms

xd_arbiter.php

xd_arbiter.php

24 ms

xd_arbiter.php

xd_arbiter.php

31 ms

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

88 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

45 ms

rpc:shindig_random.js

rpc:shindig_random.js

28 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

41 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

16 ms

jot

jot

96 ms

ping

ping

46 ms

like.php

like.php

71 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

12 ms

Accessibility Review

jw-webdev.info accessibility score

95

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.

Best Practices

jw-webdev.info 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

Page has valid source maps

SEO Factors

jw-webdev.info SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Jw-webdev.info 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 Jw-webdev.info 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

jw-webdev.info

Open Graph description is not detected on the main page of JW Web Dev. 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: