Tools & Wizards About Us
dev.zalle.work screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dev.zalle.work

Web design Bucharest, web development Bucharest, web design agency, custom website development - Zalle Development

Page Load Speed

4.8 sec in total

First Response

489 ms

Resources Loaded

3.9 sec

Page Rendered

375 ms

dev.zalle.work screenshot

About Website

Click here to check amazing Dev Zalle content for Romania. Otherwise, check out these important facts you probably never knew about dev.zalle.work

Web design Bucharest - Web Development Bucharest - web design agency Bucharest - custom web development – Zalle Development srl

Visit dev.zalle.work

Key Findings

We analyzed Dev.zalle.work page load time and found that the first response time was 489 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dev.zalle.work performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.473

18/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

dev.zalle.work

489 ms

www.zalle.ro

548 ms

www.zalle.ro

528 ms

css

77 ms

css

93 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dev.zalle.work, 67% (49 requests) were made to Zalle.ro and 8% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Zalle.ro.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.4 kB (5%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dev.zalle.work main page is 2.2 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. 65% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 41.9 kB

  • Original 51.1 kB
  • After minification 38.5 kB
  • After compression 9.2 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 12.7 kB, which is 25% 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 41.9 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 27.7 kB

  • Original 2.0 MB
  • After minification 2.0 MB

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. Dev Zalle images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 32.0 kB

  • Original 150.9 kB
  • After minification 150.9 kB
  • After compression 118.9 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 32.0 kB or 21% of the original size.

CSS Optimization

-9%

Potential reduce by 719 B

  • Original 8.1 kB
  • After minification 8.1 kB
  • After compression 7.3 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. Dev.zalle.work has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (43%)

Requests Now

63

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Zalle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dev.zalle.work

dev.zalle.work

489 ms

www.zalle.ro

www.zalle.ro

548 ms

www.zalle.ro

www.zalle.ro

528 ms

css

css

77 ms

css

css

93 ms

font-awesome.min.css

font-awesome.min.css

67 ms

jquery-ui.css

jquery-ui.css

59 ms

normalize.css

normalize.css

125 ms

main.css

main.css

250 ms

bootstrap.css

bootstrap.css

496 ms

styles-bootstrap.css

styles-bootstrap.css

489 ms

style.css

style.css

502 ms

mediascreen.css

mediascreen.css

374 ms

cookieconsent.min.css

cookieconsent.min.css

67 ms

cookieconsent.min.js

cookieconsent.min.js

75 ms

202897.js

202897.js

80 ms

jquery.min.js

jquery.min.js

66 ms

jquery-ui.min.js

jquery-ui.min.js

72 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

371 ms

bootstrap.min.js

bootstrap.min.js

370 ms

bootstrap-select.min.js

bootstrap-select.min.js

81 ms

jquery.devrama.slider.js

jquery.devrama.slider.js

551 ms

moment.min.js

moment.min.js

95 ms

map_effect.js

map_effect.js

550 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

551 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

61 ms

jquery.reveal.js

jquery.reveal.js

655 ms

main.js

main.js

654 ms

newsletter.js

newsletter.js

654 ms

hotjar-568400.js

hotjar-568400.js

145 ms

zallerosu.svg

zallerosu.svg

142 ms

m_zalleroz.svg

m_zalleroz.svg

144 ms

online-shops_01.jpg

online-shops_01.jpg

668 ms

responsive_01.png

responsive_01.png

611 ms

Z_Cinemagraph_02.gif

Z_Cinemagraph_02.gif

968 ms

smile1.png

smile1.png

376 ms

smile2.png

smile2.png

413 ms

smile3.png

smile3.png

420 ms

smile4.png

smile4.png

494 ms

smile5.png

smile5.png

540 ms

planning_strategy.png

planning_strategy.png

546 ms

design_visual.png

design_visual.png

618 ms

development.png

development.png

660 ms

performance.png

performance.png

676 ms

social_media.png

social_media.png

736 ms

analytics.js

analytics.js

137 ms

language.svg

language.svg

713 ms

scroll-down-default-redArrow.svg

scroll-down-default-redArrow.svg

754 ms

tablet.png

tablet.png

888 ms

scroll-down-default-whiteArrow.svg

scroll-down-default-whiteArrow.svg

768 ms

GoTo-arrow-white.svg

GoTo-arrow-white.svg

833 ms

process.svg

process.svg

836 ms

sprites.png

sprites.png

877 ms

GoTo-arrow-grey.svg

GoTo-arrow-grey.svg

893 ms

close_popup.png

close_popup.png

958 ms

check.png

check.png

961 ms

footer2.jpg

footer2.jpg

1479 ms

map_footer.png

map_footer.png

1013 ms

hotspot.png

hotspot.png

1018 ms

go_top.png

go_top.png

1060 ms

go_bottom.png

go_bottom.png

1081 ms

divider_menu.png

divider_menu.png

980 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qNq7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qNq7g.ttf

204 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwmRdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwmRdr.ttf

205 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwmRdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwmRdr.ttf

232 ms

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A-9U6Vc.ttf

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A-9U6Vc.ttf

240 ms

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAjBO9U6Vc.ttf

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAjBO9U6Vc.ttf

254 ms

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAaBO9U6Vc.ttf

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAaBO9U6Vc.ttf

253 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

202 ms

collect

collect

125 ms

js

js

55 ms

slide_portofolio1.jpg

slide_portofolio1.jpg

889 ms

slide_portofolio2.jpg

slide_portofolio2.jpg

499 ms

Accessibility Review

dev.zalle.work accessibility score

86

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dev.zalle.work 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

dev.zalle.work SEO score

91

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dev.zalle.work can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dev.zalle.work 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

dev.zalle.work

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