Tools & Wizards About Us
olldz.net screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

olldz.net

Installation réseau informatique standard téléphonique en Algérie

Page Load Speed

3.9 sec in total

First Response

463 ms

Resources Loaded

2.4 sec

Page Rendered

998 ms

olldz.net screenshot

About Website

Click here to check amazing Olldz content for Algeria. Otherwise, check out these important facts you probably never knew about olldz.net

Installation de réseau informatique câblage switch serveur retour, wifi et Standard téléphonique Alcatel, détection incendie alarme intrusion en Algérie

Visit olldz.net

Key Findings

We analyzed Olldz.net page load time and found that the first response time was 463 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

olldz.net performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.157

74/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

olldz.net

463 ms

www.olldz.net

528 ms

wa_global_style.css

137 ms

jquery.js

352 ms

webacappella_core.js

368 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 81% of them (51 requests) were addressed to the original Olldz.net, 8% (5 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (776 ms) belongs to the original domain Olldz.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 204.9 kB (19%)

Content Size

1.1 MB

After Optimization

890.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Olldz.net main page is 1.1 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. 55% of websites need less resources to load. Images take 777.9 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 90.0 kB

  • Original 101.5 kB
  • After minification 99.7 kB
  • After compression 11.6 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 90.0 kB or 89% of the original size.

Image Optimization

-14%

Potential reduce by 105.1 kB

  • Original 777.9 kB
  • After minification 672.8 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, Olldz needs image optimization as it can save up to 105.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 7.0 kB

  • Original 209.1 kB
  • After minification 209.1 kB
  • After compression 202.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-41%

Potential reduce by 2.9 kB

  • Original 7.1 kB
  • After minification 6.5 kB
  • After compression 4.2 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. Olldz.net needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (47%)

Requests Now

55

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olldz. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

olldz.net

olldz.net

463 ms

www.olldz.net

www.olldz.net

528 ms

wa_global_style.css

wa_global_style.css

137 ms

jquery.js

jquery.js

352 ms

webacappella_core.js

webacappella_core.js

368 ms

jquery.mousewheel.js

jquery.mousewheel.js

267 ms

webacappella.css

webacappella.css

277 ms

webacappella_tools.js

webacappella_tools.js

275 ms

style.css

style.css

274 ms

jquery.min.js

jquery.min.js

466 ms

nagging-menu.js

nagging-menu.js

386 ms

bannerscollection_zoominout.css

bannerscollection_zoominout.css

385 ms

css

css

44 ms

css

css

56 ms

jquery.min.js

jquery.min.js

44 ms

jquery-ui.min.js

jquery-ui.min.js

50 ms

jquery.ui.touch-punch.min.js

jquery.ui.touch-punch.min.js

407 ms

bannerscollection_zoominout.js

bannerscollection_zoominout.js

465 ms

wa_common_messages_fr.js

wa_common_messages_fr.js

440 ms

wa_site_global_settings.js

wa_site_global_settings.js

113 ms

Alcatel%20Siemens%20Panasonic%20Aastra%20Algerie.jpg

Alcatel%20Siemens%20Panasonic%20Aastra%20Algerie.jpg

217 ms

Reseaux%20informatiques%20Algerie.jpg

Reseaux%20informatiques%20Algerie.jpg

304 ms

detection%20extinction%20incendie%20Algerie.jpg

detection%20extinction%20incendie%20Algerie.jpg

303 ms

camera%20de%20surveillance%20Algerie.jpg

camera%20de%20surveillance%20Algerie.jpg

363 ms

Serveur%20HP%20Dell%20Algerie.jpg

Serveur%20HP%20Dell%20Algerie.jpg

301 ms

conference%20polycom%20Algerie.jpg

conference%20polycom%20Algerie.jpg

379 ms

securite.png

securite.png

309 ms

telephone.png

telephone.png

431 ms

S_C3_A9curit_C3_A9.png

S_C3_A9curit_C3_A9.png

397 ms

r_C3_A9seau_20informatique0.jpg

r_C3_A9seau_20informatique0.jpg

400 ms

central_20t_C3_A9l_C3_A9phonique.jpg

central_20t_C3_A9l_C3_A9phonique.jpg

427 ms

D_C3_A9tection_20incendie_20vid_C3_A9osurveillance.jpg

D_C3_A9tection_20incendie_20vid_C3_A9osurveillance.jpg

481 ms

Alarme-anti-intrusion.jpg

Alarme-anti-intrusion.jpg

481 ms

cameras-surveillance.jpg

cameras-surveillance.jpg

508 ms

detection-incendie-adressables.jpg

detection-incendie-adressables.jpg

513 ms

serveur-dell.jpg

serveur-dell.jpg

512 ms

standard-alcatel-siemens-panasonic-aastra.jpg

standard-alcatel-siemens-panasonic-aastra.jpg

554 ms

reseau-informatique.jpg

reseau-informatique.jpg

673 ms

reseau_s_t_off0.png

reseau_s_t_off0.png

672 ms

reseau_s_r_off0.png

reseau_s_r_off0.png

704 ms

reseau_s_g_off0.png

reseau_s_g_off0.png

671 ms

reseau_s_f_off0.png

reseau_s_f_off0.png

672 ms

contact_20Ets_20ouldlamara.png

contact_20Ets_20ouldlamara.png

686 ms

Ets_20ouldlamara.png

Ets_20ouldlamara.png

760 ms

wa_5paxjk4aqnrvdda_text.png

wa_5paxjk4aqnrvdda_text.png

768 ms

ga.js

ga.js

45 ms

loader.gif

loader.gif

764 ms

punkt-grey.png

punkt-grey.png

698 ms

punkt-weiss.png

punkt-weiss.png

776 ms

leftNavOFF.png

leftNavOFF.png

667 ms

rightNavOFF.png

rightNavOFF.png

652 ms

play_overOFF.png

play_overOFF.png

660 ms

hand.cur

hand.cur

652 ms

bottomNavOFF.png

bottomNavOFF.png

714 ms

bottomNavON.png

bottomNavON.png

713 ms

__utm.gif

__utm.gif

23 ms

__utm.gif

__utm.gif

18 ms

textBg_transparency.png

textBg_transparency.png

700 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

27 ms

S6u9w4BMUTPHh50XSwiPHA.ttf

S6u9w4BMUTPHh50XSwiPHA.ttf

40 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

44 ms

S6u_w4BMUTPHjxsI3wi_Gwfo.ttf

S6u_w4BMUTPHjxsI3wi_Gwfo.ttf

55 ms

S6u_w4BMUTPHjxsI5wq_Gwfo.ttf

S6u_w4BMUTPHjxsI5wq_Gwfo.ttf

56 ms

Accessibility Review

olldz.net accessibility score

70

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.

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

olldz.net best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

olldz.net SEO score

69

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olldz.net can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Olldz.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

olldz.net

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