3.5 sec in total
161 ms
2.5 sec
819 ms
Click here to check amazing VTT content for Finland. Otherwise, check out these important facts you probably never knew about vtt.fi
Autamme sinua luomaan huomisen läpimurtoja tieteen ja teknologian avulla.
Visit vtt.fiWe analyzed Vtt.fi page load time and found that the first response time was 161 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
vtt.fi performance score
name
value
score
weighting
Value2.4 s
70/100
10%
Value5.6 s
18/100
25%
Value7.6 s
25/100
10%
Value3,490 ms
2/100
30%
Value0
100/100
15%
Value15.7 s
6/100
10%
161 ms
578 ms
24 ms
36 ms
36 ms
Our browser made a total of 165 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vtt.fi, 95% (157 requests) were made to Vttresearch.com and 1% (1 request) were made to Bot.leadoo.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Polyfill.io.
Page size can be reduced by 227.5 kB (35%)
653.1 kB
425.6 kB
In fact, the total size of Vtt.fi main page is 653.1 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. 55% of websites need less resources to load. Images take 373.5 kB which makes up the majority of the site volume.
Potential reduce by 152.0 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. This page needs HTML code to be minified as it can gain 33.4 kB, which is 18% 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 152.0 kB or 84% of the original size.
Potential reduce by 61.1 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, VTT needs image optimization as it can save up to 61.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 9.2 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 9.2 kB or 26% of the original size.
Potential reduce by 5.2 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. Vtt.fi has all CSS files already compressed.
Number of requests can be reduced by 125 (77%)
162
37
The browser has sent 162 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VTT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 85 to 1 for JavaScripts and from 34 to 1 for CSS and as a result speed up the page load time.
vtt.fi
161 ms
fi
578 ms
google_tag.script.js
24 ms
slick.min.css
36 ms
ajax-progress.module.css
36 ms
align.module.css
57 ms
autocomplete-loading.module.css
39 ms
fieldgroup.module.css
39 ms
container-inline.module.css
326 ms
clearfix.module.css
48 ms
details.module.css
42 ms
hidden.module.css
52 ms
item-list.module.css
59 ms
js.module.css
53 ms
nowrap.module.css
55 ms
position-container.module.css
65 ms
progress.module.css
66 ms
reset-appearance.module.css
358 ms
resize.module.css
63 ms
sticky-header.module.css
74 ms
system-status-counter.css
71 ms
system-status-report-counters.css
82 ms
system-status-report-general-info.css
74 ms
tabledrag.module.css
82 ms
tablesort.module.css
91 ms
tree-child.module.css
84 ms
blazy.css
103 ms
blazy.loading.css
91 ms
antibot.css
92 ms
views.module.css
107 ms
colorbox_style.css
99 ms
social_media_links.theme.css
101 ms
paragraphs.unpublished.css
108 ms
slick.theme--default.css
376 ms
general.css
395 ms
style.css
160 ms
inpage.js
204 ms
sprite.svg
108 ms
polyfill.min.js
1028 ms
jquery.validate.min.js
34 ms
email-decode.min.js
109 ms
blazy.polyfill.min.js
113 ms
blazy.classlist.min.js
110 ms
blazy.promise.min.js
120 ms
blazy.raf.min.js
161 ms
jquery.min.js
164 ms
quicklink.umd.js
158 ms
once.min.js
154 ms
fi_TuV166RfOx8RShi9TtEBJHMvJt73WI7wsPM1QVvk37I.js
151 ms
drupalSettingsLoader.js
554 ms
drupal.js
151 ms
drupal.init.js
157 ms
debounce.js
164 ms
quicklink_init.js
167 ms
dblazy.min.js
174 ms
blazy.dataset.min.js
182 ms
blazy.viewport.min.js
185 ms
blazy.dom.min.js
191 ms
blazy.xlazy.min.js
199 ms
blazy.observer.min.js
201 ms
blazy.loading.min.js
207 ms
blazy.webp.min.js
218 ms
blazy.base.min.js
221 ms
blazy.min.js
231 ms
bio.min.js
542 ms
jquery.easing.min.js
238 ms
slick.min.js
250 ms
bio.media.min.js
258 ms
blazy.drupal.min.js
553 ms
blazy.load.min.js
259 ms
blazy.compat.min.js
539 ms
index.umd.min.js
266 ms
heimdallr.js
456 ms
slick.vanilla.min.js
448 ms
jquery.colorbox-min.js
438 ms
colorbox.js
397 ms
colorbox_style.js
396 ms
colorbox_inline.js
395 ms
datalayer.js
398 ms
anchor.js
394 ms
teaser-box.js
396 ms
services-filter.js
395 ms
inpage.js
931 ms
search-focus.js
394 ms
languageDropdown.js
378 ms
number-with-spaces.js
372 ms
time-block.js
364 ms
slickCustomization.js
357 ms
button-toggle.js
351 ms
antibot.js
343 ms
jquery.form.min.js
528 ms
progress.js
326 ms
loadjs.min.js
320 ms
announce.js
311 ms
message.js
299 ms
ajax.js
292 ms
ajax.js
291 ms
cv.jquery.validate.js
277 ms
cv.jquery.ckeditor.js
266 ms
cv.jquery.ife.js
264 ms
collector.js
261 ms
bio.ajax.min.js
482 ms
base.js
245 ms
ajax_view.js
242 ms
frontpage-videos.js
346 ms
infinite-scroll.js
68 ms
slick.load.min.js
88 ms
vertical-person.js
79 ms
moving-banner.js
359 ms
referral_link.js
86 ms
mikestime.js
386 ms
time_launcher.js
91 ms
svgxuse.min.js
98 ms
main-menu.js
111 ms
mobileMenu.js
119 ms
header.js
124 ms
base-widget.js
131 ms
facets-views-ajax.js
406 ms
dropdown-widget.js
214 ms
vtt-father-and-daughter-playing-in-field-at-sunset.jpg.webp
533 ms
wood-based-barrier-film-01.png.webp
257 ms
JPG%20Large_DSC_2418%201.jpg.webp
354 ms
Jaakko_Kuusisaari_cropped3_small_0.jpeg.webp
349 ms
Sini%20Rytky.jpg.webp
364 ms
Mika_2_4.jpg.webp
371 ms
Kaj%20Nummila%203.jpg.webp
365 ms
Jukka_Korhonen_Color_0.jpg.webp
392 ms
200129_1439_Photo_PasiSalminen_com_2__0.jpg.webp
377 ms
Kirsi_Kotilainen.jpg.webp
379 ms
Kristoffer_Lund_crop.jpg.webp
381 ms
Antti_Kemppainen_photo_4.jpg.webp
383 ms
Mikko_Salomaa_0.jpg.webp
391 ms
Jari%20Rautio.jpg.webp
393 ms
Heikki%20Rajasalo%202.jpg.webp
515 ms
antti_1.jpg.webp
396 ms
Matti%20Paljakka%202.jpg.webp
383 ms
Polymer%20pilot%20MAIN.jpg.webp
764 ms
data-results-and-figures-connectivity.jpg.webp
375 ms
looking-over-city-foresight.jpg.webp
734 ms
vtt-hydrometallurgy-main.png.webp
729 ms
vtt-smart-phones-in-display-stand.jpg.webp
457 ms
Micronova2.jpg.webp
457 ms
Aalto-logo.png
452 ms
ESA_logo_2020_Black.png
477 ms
GEHC.png
451 ms
KONE.png
430 ms
NESTE_logo.png
436 ms
VALMET.png
443 ms
W_logo_color_pos_low.png
371 ms
Xanadu_Logo_Black.png
419 ms
Careers%20Lassi%20Lehtisyrj%C3%A4.jpg
333 ms
vtt_brandikuvaus_2022_netti-6.jpg
375 ms
triangle-white.svg
532 ms
pause-white.svg
289 ms
arrow-right--white.svg
283 ms
quote-desktop.svg
281 ms
checkbox.svg
268 ms
facebook.svg
324 ms
X-logo_gray.svg
324 ms
linkedin.svg
322 ms
instagram.svg
314 ms
gtm.js
93 ms
uc.js
52 ms
pa-60b78845541c60001100014c.js
414 ms
print-style.css
314 ms
vtt.fi accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
vtt.fi 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
Issues were logged in the Issues panel in Chrome Devtools
vtt.fi 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
FI
FI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtt.fi can be misinterpreted by Google and other search engines. Our service has detected that Finnish is used on the page, and it matches the claimed language. Our system also found out that Vtt.fi 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.
vtt.fi
Open Graph description is not detected on the main page of VTT. 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: