4.5 sec in total
152 ms
4.1 sec
289 ms
Welcome to ostrem.com homepage info - get ready to check Ostrem best content right away, or after learning these important things about ostrem.com
Visit ostrem.comWe analyzed Ostrem.com page load time and found that the first response time was 152 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
ostrem.com performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value21.1 s
0/100
25%
Value11.3 s
5/100
10%
Value1,440 ms
15/100
30%
Value0.052
99/100
15%
Value12.4 s
15/100
10%
152 ms
995 ms
35 ms
115 ms
49 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Ostrem.com, 76% (76 requests) were made to 6d488f.p3cdn2.secureserver.net and 7% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source 6d488f.p3cdn2.secureserver.net.
Page size can be reduced by 176.1 kB (21%)
852.1 kB
675.9 kB
In fact, the total size of Ostrem.com main page is 852.1 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. 60% of websites need less resources to load. Javascripts take 436.7 kB which makes up the majority of the site volume.
Potential reduce by 133.3 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 133.3 kB or 84% of the original size.
Potential reduce by 2.3 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. Ostrem images are well optimized though.
Potential reduce by 16.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 24.4 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. Ostrem.com needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 12% of the original size.
Number of requests can be reduced by 72 (81%)
89
17
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ostrem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 34 to 1 for CSS and as a result speed up the page load time.
ostrem.com
152 ms
ostrem.com
995 ms
e90fd3f0-f53e-0138-7f66-06b4c2516bae
35 ms
stripe-settings.css
115 ms
style.min.css
49 ms
wc-blocks-vendors-style.css
275 ms
wc-blocks-style.css
140 ms
styles.css
17 ms
rs6.css
91 ms
woocommerce-layout.css
109 ms
woocommerce.css
148 ms
wptw.css
93 ms
frontend.min.css
195 ms
flatpickr.min.css
185 ms
select2.min.css
186 ms
style.css
200 ms
style.css
240 ms
main.css
273 ms
theme-responsive.css
199 ms
green.css
279 ms
font-awesome.min.css
30 ms
js_composer.min.css
309 ms
jquery.min.js
301 ms
jquery-migrate.min.js
238 ms
frontend.min.js
518 ms
rbtools.min.js
253 ms
rs6.min.js
265 ms
jquery.blockUI.min.js
275 ms
add-to-cart.min.js
359 ms
flatpickr.min.js
296 ms
select2.min.js
391 ms
woocommerce-add-to-cart.js
324 ms
script.js
399 ms
css
32 ms
animate.min.css
395 ms
index.js
323 ms
index.js
330 ms
js.cookie.min.js
341 ms
woocommerce.min.js
351 ms
cart-fragments.min.js
439 ms
frontend.min.js
448 ms
tinynav.js
392 ms
superfish.js
435 ms
hoverIntent.js
400 ms
jquery.sticky.js
328 ms
jquery.ui.totop.js
412 ms
jquery.fancybox.js
362 ms
carousel.js
459 ms
jquery.selectric.js
389 ms
jquery.isotope.js
399 ms
jquery.mCustomScrollbar.concat.min.js
394 ms
jquery.inview.js
385 ms
nbw-parallax.js
421 ms
bootstrap.min.js
350 ms
main.js
350 ms
jquery.sonar.min.js
409 ms
lazy-load.js
408 ms
js_composer_front.min.js
434 ms
vc-waypoints.min.js
397 ms
css
16 ms
bootstrap.min.css
430 ms
bootstrap-theme.min.css
356 ms
jquery.fancybox.css
364 ms
theme-options.css
359 ms
animate.css
357 ms
owl.carousel.css
419 ms
owl.theme.css
340 ms
jquery.mCustomScrollbar.css
342 ms
flickr.css
413 ms
font-awesome.min.css
333 ms
shop.css
325 ms
analytics.js
78 ms
1.png
172 ms
preloader.gif
176 ms
o-logo2.png
172 ms
1x1.trans.gif
173 ms
embed
316 ms
embed
431 ms
embed
470 ms
more.png
148 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf
34 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf
34 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf
35 ms
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memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkWVAexQ.ttf
44 ms
fontawesome-webfont.woff
45 ms
fontawesome-webfont.woff
332 ms
collect
62 ms
collect
227 ms
js
167 ms
ostrem.com
439 ms
dummy.png
103 ms
Ostrem-Chemical-Home-Page-7.jpg
221 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
89 ms
KFOlCnqEu92Fr1MmEU9fBBc9.ttf
101 ms
js
117 ms
spin-1.gif
1642 ms
ui.totop.png
97 ms
js
30 ms
woocommerce-smallscreen.css
114 ms
ostrem.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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
ostrem.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
ostrem.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ostrem.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 Ostrem.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.
ostrem.com
Open Graph description is not detected on the main page of Ostrem. 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: