1.5 sec in total
206 ms
1 sec
232 ms
Visit onestopenglish.com now to see the best up-to-date Onestopenglish content for Czech Republic and also check out these interesting facts you probably never knew about onestopenglish.com
With over 9000 resources, including lesson plans, worksheets, audio, video and flashcards, onestopenglish is the world’s number one resource site for English Language teachers. Materials are written a...
Visit onestopenglish.comWe analyzed Onestopenglish.com page load time and found that the first response time was 206 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
onestopenglish.com performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value8.3 s
2/100
25%
Value7.5 s
27/100
10%
Value990 ms
27/100
30%
Value0.746
6/100
15%
Value12.2 s
15/100
10%
206 ms
591 ms
28 ms
21 ms
26 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 94% of them (91 requests) were addressed to the original Onestopenglish.com, 2% (2 requests) were made to Cdnjs.cloudflare.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (591 ms) belongs to the original domain Onestopenglish.com.
Page size can be reduced by 671.0 kB (54%)
1.2 MB
571.7 kB
In fact, the total size of Onestopenglish.com main page is 1.2 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. 45% of websites need less resources to load. Javascripts take 589.5 kB which makes up the majority of the site volume.
Potential reduce by 81.3 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 81.3 kB or 83% of the original size.
Potential reduce by 33.4 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. Onestopenglish images are well optimized though.
Potential reduce by 420.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 420.6 kB or 71% of the original size.
Potential reduce by 135.8 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. Onestopenglish.com needs all CSS files to be minified and compressed as it can save up to 135.8 kB or 83% of the original size.
Number of requests can be reduced by 35 (37%)
95
60
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onestopenglish. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
onestopenglish.com
206 ms
www.onestopenglish.com
591 ms
screen.css
28 ms
structure.css
21 ms
furniture.css
26 ms
mainnav.css
23 ms
colours.css
21 ms
wvPopups.css
26 ms
poll.css
31 ms
spin.css
33 ms
jobs.css
31 ms
jquery.min.js
35 ms
jquery-migrate.min.js
48 ms
jquery.cookie.js
30 ms
mootools_core.js
52 ms
mootools_more.js
45 ms
Browser.js
46 ms
Element.js
50 ms
swfobject.js
49 ms
videoResize.js
49 ms
body.bg.jpg
71 ms
prum.min.js
29 ms
gtm.js
34 ms
list.gif
15 ms
userLeft.png
12 ms
userRight.png
14 ms
sprite.subscriber.png
14 ms
mast.bg.jpg
13 ms
logo.png
17 ms
tagline.png
16 ms
print_logo.png
13 ms
button.mainsearch.png
14 ms
arrowWhiteOnBlue.png
15 ms
mainnav.style.jpg
15 ms
opaqueLine.png
16 ms
bg.mainnav.dropdown.right.png
16 ms
bg.mainnav.dropdown.png
20 ms
analytics.js
22 ms
collect
20 ms
carouselLeft.png
9 ms
carouselRight.png
10 ms
carouselArrow.png
6 ms
13563_OSE-TPD-survey-376x232.jpg
10 ms
13509_OSE-webinar-day-376x232.jpg
9 ms
13531_EAP-Shakespeare-376x232.jpg
15 ms
9241_OSE-LoveRelationships-376x232.jpg
12 ms
moreBKGColor1.png
13 ms
more.png
13 ms
11624_OSE_categories_100x100_teacher.jpg
14 ms
11618_OSE_categories_100x100_skills.jpg
17 ms
11620_OSE_categories_100x100_grammar.jpg
15 ms
12525_skillspage-icons-vocab.jpg
17 ms
11622_OSE_categories_100x100_young-learners.jpg
18 ms
11623_OSE_categories_100x100_teenagers.jpg
17 ms
11621_OSE_categories_100x100_business.jpg
19 ms
11644_OSE_categories_100x100_ESP.jpg
20 ms
13566_First-steps-into-100x100.jpg
22 ms
13673_OSE_series_100x100_your-english.jpg
19 ms
13550_OSE-Impressions-100x100.jpg
22 ms
combiList.png
20 ms
functions.js
15 ms
Menu.class.js
12 ms
poll.class.js
20 ms
wvTabs.js
12 ms
wvPopup.js
14 ms
wvPolls.js
12 ms
Carousel.class.js
16 ms
search_jobs.js
169 ms
13507_OSE-Celebrations-100x100.jpg
16 ms
13579_shakespeare-thumb-v1.png
51 ms
activeBottom.png
48 ms
tabBlock.png
16 ms
activeListBottom.png
47 ms
extrasBottom.png
49 ms
extrasBkg.jpg
48 ms
extraList.png
52 ms
subscribe.png
49 ms
searchDictionaryTop.png
52 ms
searchDictionaryBottom.png
49 ms
searchDictionaryLogo.png
50 ms
searchDictionaryText.png
52 ms
searchDictionaryButton.png
52 ms
Life-Skills-HP-banner.jpg
55 ms
-promo_facebook.png
53 ms
-promo_twitter.png
52 ms
footerAdTopLeft.png
53 ms
footerAdTopRight.png
58 ms
footerAdBottomLeft.png
55 ms
footerAdBottomRight.png
55 ms
footerAdImage.png
59 ms
footerBkg.jpg
55 ms
footerTextBkg.png
56 ms
footerLeft.png
57 ms
footerRight.png
57 ms
b_portal.png
58 ms
loadingAnimation.gif
5 ms
print.css
3 ms
onestopenglish.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.
onestopenglish.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
onestopenglish.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
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 Onestopenglish.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 Onestopenglish.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.
onestopenglish.com
Open Graph description is not detected on the main page of Onestopenglish. 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: