Tools & Wizards About Us
cadforum.cz screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

cadforum.cz

CAD Forum - tips, tricks, utilities, blocks | AutoCAD, Inventor, Revit, Civil 3D, Fusion 360, Autodesk

Page Load Speed

4.5 sec in total

First Response

419 ms

Resources Loaded

3.9 sec

Page Rendered

120 ms

cadforum.cz screenshot

About Website

Welcome to cadforum.cz homepage info - get ready to check CAD Forum best content for United States right away, or after learning these important things about cadforum.cz

CAD Forum - free tips & tricks, blocks and discussion to AutoCAD, LT, Inventor, Revit, Fusion 360, 3ds Max and other Autodesk products, utilities, add-ons, FAQ

Visit cadforum.cz

Key Findings

We analyzed Cadforum.cz page load time and found that the first response time was 419 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cadforum.cz performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value5,600 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

cadforum.cz

419 ms

446 ms

cf.css

306 ms

cfen.css

409 ms

util.js

414 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 43% of them (43 requests) were addressed to the original Cadforum.cz, 11% (11 requests) were made to Pagead2.googlesyndication.com and 7% (7 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (844 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.9 kB (15%)

Content Size

812.8 kB

After Optimization

693.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cadforum.cz main page is 812.8 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. 50% of websites need less resources to load. Javascripts take 581.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 59.1 kB

  • Original 76.0 kB
  • After minification 71.2 kB
  • After compression 17.0 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 59.1 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 12.9 kB

  • Original 147.9 kB
  • After minification 135.0 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. CAD Forum images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 44.7 kB

  • Original 581.3 kB
  • After minification 581.2 kB
  • After compression 536.6 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

-29%

Potential reduce by 2.2 kB

  • Original 7.6 kB
  • After minification 7.1 kB
  • After compression 5.3 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. Cadforum.cz needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 66 (69%)

Requests Now

95

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CAD Forum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cadforum.cz

cadforum.cz

419 ms

446 ms

cf.css

cf.css

306 ms

cfen.css

cfen.css

409 ms

util.js

util.js

414 ms

jquery.min.js

jquery.min.js

40 ms

jcookie.js

jcookie.js

424 ms

jqmsgs.js

jqmsgs.js

427 ms

ion.sound.min.js

ion.sound.min.js

428 ms

js

js

69 ms

js

js

113 ms

adsbygoogle.js

adsbygoogle.js

130 ms

show_ads.js

show_ads.js

71 ms

counter.js

counter.js

47 ms

143209638.js

143209638.js

543 ms

bkga.jpg

bkga.jpg

169 ms

pixel.gif

pixel.gif

139 ms

CheckCookie

CheckCookie

205 ms

cf-top-logo2s.png

cf-top-logo2s.png

204 ms

cf-top-logo.png

cf-top-logo.png

205 ms

CF-topbg1.gif

CF-topbg1.gif

204 ms

arkance108.png

arkance108.png

204 ms

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205 ms

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213 ms

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y25.png

264 ms

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264 ms

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263 ms

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lupa20.png

264 ms

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rss20.png

264 ms

PayPal-donate120.gif

PayPal-donate120.gif

326 ms

sipka.gif

sipka.gif

357 ms

top10.gif

top10.gif

357 ms

AGNlogo.jpg

AGNlogo.jpg

356 ms

q19.png

q19.png

355 ms

gr_lls.gif

gr_lls.gif

358 ms

nic.gif

nic.gif

429 ms

gr_lrs.gif

gr_lrs.gif

492 ms

arrow.png

arrow.png

492 ms

24247.png

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493 ms

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493 ms

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494 ms

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535 ms

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559 ms

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560 ms

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562 ms

24240.png

24240.png

562 ms

cf-cut-logo80.png

cf-cut-logo80.png

561 ms

analytics.js

analytics.js

142 ms

show_ads_impl.js

show_ads_impl.js

279 ms

like.php

like.php

129 ms

collect

collect

29 ms

cf-topbg2.png

cf-topbg2.png

386 ms

gr_ls.gif

gr_ls.gif

415 ms

collect

collect

28 ms

t.php

t.php

84 ms

CheckCookie

CheckCookie

35 ms

all.js

all.js

22 ms

inf.png

inf.png

379 ms

xp2.png

xp2.png

380 ms

ga-audiences

ga-audiences

55 ms

all.js

all.js

12 ms

collectedforms.js

collectedforms.js

459 ms

banner.js

banner.js

455 ms

143209638.js

143209638.js

471 ms

web-interactives-embed.js

web-interactives-embed.js

497 ms

fb.js

fb.js

457 ms

40 ms

w9py8-RGams.js

w9py8-RGams.js

25 ms

FEppCFCt76d.png

FEppCFCt76d.png

36 ms

zrt_lookup.html

zrt_lookup.html

29 ms

ads

ads

844 ms

ads

ads

469 ms

ads

ads

737 ms

ads

ads

386 ms

cf-handheld.css

cf-handheld.css

104 ms

reactive_library.js

reactive_library.js

416 ms

ca-pub-5415808488339145

ca-pub-5415808488339145

263 ms

9769818326151066040

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39 ms

abg_lite.js

abg_lite.js

30 ms

s

s

6 ms

redir.html

redir.html

289 ms

window_focus.js

window_focus.js

36 ms

qs_click_protection.js

qs_click_protection.js

46 ms

ufs_web_display.js

ufs_web_display.js

16 ms

one_click_handler_one_afma.js

one_click_handler_one_afma.js

222 ms

icon.png

icon.png

15 ms

15123737614798920482

15123737614798920482

148 ms

activeview

activeview

205 ms

load_preloaded_resource.js

load_preloaded_resource.js

139 ms

bbcd6bf18c20baa1b2adeb195de9b551.js

bbcd6bf18c20baa1b2adeb195de9b551.js

132 ms

activeview

activeview

72 ms

iframe.html

iframe.html

61 ms

FAz5UgRug7M8YaGFfFWxr9vetrg5Yv9xXEx-zc6kZAs.js

FAz5UgRug7M8YaGFfFWxr9vetrg5Yv9xXEx-zc6kZAs.js

42 ms

css

css

285 ms

3b0c1a1c8750041eb27603629860e89a.js

3b0c1a1c8750041eb27603629860e89a.js

124 ms

f11bfab4e3c942216447974439595ef6.js

f11bfab4e3c942216447974439595ef6.js

132 ms

activeview

activeview

137 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

122 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

122 ms

activeview

activeview

80 ms

sodar

sodar

76 ms

Accessibility Review

cadforum.cz accessibility score

97

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

cadforum.cz best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cadforum.cz SEO score

94

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cadforum.cz 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 Cadforum.cz main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cadforum.cz

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