6.8 sec in total
293 ms
6.1 sec
314 ms
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Visit prezentr.comWe analyzed Prezentr.com page load time and found that the first response time was 293 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
prezentr.com performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value4.2 s
44/100
25%
Value12.4 s
3/100
10%
Value5,190 ms
0/100
30%
Value0.076
95/100
15%
Value15.6 s
6/100
10%
293 ms
2350 ms
497 ms
367 ms
52 ms
Our browser made a total of 127 requests to load all elements on the main page. We found that 10% of them (13 requests) were addressed to the original Prezentr.com, 15% (19 requests) were made to Googleads.g.doubleclick.net and 13% (17 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Prezentr.com.
Page size can be reduced by 246.2 kB (33%)
740.0 kB
493.8 kB
In fact, the total size of Prezentr.com main page is 740.0 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. 70% of websites need less resources to load. Javascripts take 311.5 kB which makes up the majority of the site volume.
Potential reduce by 181.3 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 181.3 kB or 78% of the original size.
Potential reduce by 498 B
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. Prezentr images are well optimized though.
Potential reduce by 64.3 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 64.3 kB or 21% of the original size.
Potential reduce by 125 B
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. Prezentr.com has all CSS files already compressed.
Number of requests can be reduced by 79 (71%)
111
32
The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prezentr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
prezentr.com
293 ms
prezentr.com
2350 ms
autoptimize_d94908c1b5723043f7fbde97b7d1145f.css
497 ms
autoptimize_e42b4f3c9dcb79b5763878591a79b948.css
367 ms
css2
52 ms
autoptimize_single_14e62965051a571745a5e84d117bf102.css
363 ms
jquery.min.js
486 ms
js
55 ms
pinit.js
42 ms
adsbygoogle.js
63 ms
autoptimize_512e26b4ab595088a7a52083191dae5a.js
636 ms
adsbygoogle.js
45 ms
lazysizes.min.js
255 ms
css
13 ms
js
68 ms
analytics.js
24 ms
pinit_main.js
8 ms
collect
78 ms
collect
118 ms
fontawesome-webfont.woff
301 ms
show_ads_impl.js
70 ms
zrt_lookup.html
28 ms
LogoSuperForWeb.png
206 ms
best-presentation-software-2022-375x195.jpg
206 ms
iPhone-14-PowerPoint-Template-Preview-1-375x195.png
249 ms
House-of-the-Dragon-PowerPoint-Template-Preview-375x195.jpg
207 ms
cookie.js
89 ms
integrator.js
83 ms
ads
1380 ms
ads
520 ms
ads
1318 ms
ads
223 ms
integrator.js
100 ms
ads
265 ms
ads
146 ms
downsize_200k_v1
822 ms
load_preloaded_resource.js
831 ms
abg_lite.js
830 ms
window_focus.js
836 ms
qs_click_protection.js
832 ms
rx_lidar.js
860 ms
042791247ab671b2831aa311d6583330.js
845 ms
icon.png
830 ms
reactive_library.js
670 ms
integrator.js
63 ms
ads
337 ms
ads
330 ms
ads
326 ms
pixel
39 ms
ad
154 ms
monster_jdn_atlas.js
188 ms
window_focus.js
30 ms
qs_click_protection.js
29 ms
gen_204
152 ms
s
12 ms
css
120 ms
integrator.js
113 ms
zrt_lookup.html
70 ms
UFYwWwmt.js
94 ms
85254efcadaacab5fed344cbf203b7e7.js
126 ms
load_preloaded_resource.js
125 ms
c471d9b7113df21a6cf58632ab968748.js
149 ms
abg_lite.js
86 ms
6c7423e08ae99c3d125c127fa3b3e325.js
232 ms
css2
140 ms
interstitial_ad_frame.js
193 ms
nano.aspx
214 ms
adservercontinuation.aspx
492 ms
feedback_grey600_24dp.png
129 ms
settings_grey600_24dp.png
308 ms
icon.png
129 ms
5972635107748804546
212 ms
activeview
207 ms
4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff
342 ms
4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff
511 ms
Enqz_20U.html
239 ms
pixel
101 ms
ad
182 ms
gen_204
97 ms
pixel
144 ms
dv3.js
228 ms
gen_204
225 ms
um
428 ms
rum
140 ms
13816270917374129270
366 ms
abg_lite.js
66 ms
omrhp.js
102 ms
KFOlCnqEu92Fr1MmWUlvAA.woff
336 ms
KFOmCnqEu92Fr1Me5g.woff
253 ms
gnLtmcL-mn53pq-EJRMXOCFACjpZd0iqiIv80oTeKas.js
82 ms
um
300 ms
activeview
312 ms
bounce
309 ms
ad
294 ms
cookie_push_onload.html
282 ms
adimage.aspx
249 ms
bootstrap.min.css
342 ms
font-awesome.min.css
391 ms
css
248 ms
modernizr-2.7.1.min.js
348 ms
pixel
198 ms
pixel
197 ms
dpixel
272 ms
sd
91 ms
rum
126 ms
pixel
100 ms
googleredir
172 ms
activeview
170 ms
activeview
138 ms
m-logo.png
116 ms
activeview
104 ms
KFOmCnqEu92Fr1Mu4mxM.woff
56 ms
KFOlCnqEu92Fr1MmEU9fBBc-.woff
57 ms
KFOlCnqEu92Fr1MmSU5fBBc-.woff
57 ms
KFOkCnqEu92Fr1MmgVxIIzQ.woff
57 ms
pixel
82 ms
pixel
42 ms
pixel
38 ms
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29 ms
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prezentr.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
prezentr.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
prezentr.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prezentr.com 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 Prezentr.com 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.
prezentr.com
Open Graph data is detected on the main page of Prezentr. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: