15.5 sec in total
3.9 sec
10.8 sec
796 ms
Visit o2academyleeds.co.uk now to see the best up-to-date O2 Academy Leeds content for United Kingdom and also check out these interesting facts you probably never knew about o2academyleeds.co.uk
One of the city’s most historic and stunning venues, it’s the number one destination for the biggest acts in music, clubbing and comedy in the Grade II listed building.
Visit o2academyleeds.co.ukWe analyzed O2academyleeds.co.uk page load time and found that the first response time was 3.9 sec and then it took 11.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
o2academyleeds.co.uk performance score
name
value
score
weighting
Value4.6 s
13/100
10%
Value15.9 s
0/100
25%
Value20.3 s
0/100
10%
Value5,980 ms
0/100
30%
Value0.659
8/100
15%
Value26.9 s
0/100
10%
3896 ms
251 ms
253 ms
254 ms
255 ms
Our browser made a total of 250 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original O2academyleeds.co.uk, 26% (65 requests) were made to Scontent.cdninstagram.com and 6% (14 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (3.9 sec) relates to the external source Academymusicgroup.com.
Page size can be reduced by 1.8 MB (24%)
7.5 MB
5.7 MB
In fact, the total size of O2academyleeds.co.uk main page is 7.5 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.0 MB which makes up the majority of the site volume.
Potential reduce by 110.4 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 110.4 kB or 84% of the original size.
Potential reduce by 116.2 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. O2 Academy Leeds images are well optimized though.
Potential reduce by 1.1 MB
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 1.1 MB or 65% of the original size.
Potential reduce by 496.4 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. O2academyleeds.co.uk needs all CSS files to be minified and compressed as it can save up to 496.4 kB or 84% of the original size.
Number of requests can be reduced by 105 (50%)
208
103
The browser has sent 208 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O2 Academy Leeds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 52 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.
3896 ms
system.base.css
251 ms
system.menus.css
253 ms
system.messages.css
254 ms
system.theme.css
255 ms
calendar_multiday.css
256 ms
comment.css
254 ms
date.css
502 ms
datepicker.1.7.css
504 ms
domain_nav.css
502 ms
field.css
503 ms
footer_sitemap.css
505 ms
logintoboggan.css
505 ms
node.css
749 ms
user.css
750 ms
youtube.css
751 ms
views.css
754 ms
lazyloader.css
753 ms
ckeditor.css
751 ms
colorbox_style.css
1001 ms
ctools.css
1009 ms
panels.css
1009 ms
amg-homepage.css
1003 ms
date_views.css
1006 ms
flexslider_img.css
1004 ms
flexslider.css
1252 ms
style.css
1341 ms
AMG_Frutiger.css
1253 ms
basscss.min.css
1254 ms
styles.css
1255 ms
normalize.css
1252 ms
jquery.mmenu.all.css
1502 ms
selectize.css
1506 ms
polyfill.object-fit.css
1508 ms
dcstorm.js
1591 ms
jquery.min.js
45 ms
js_aczm2rRgH_slWBPnvD3KMrK7rwa1i99HOq8IUAb99Co.js
1517 ms
notice
346 ms
js_totPPoB49jzV9L8rXSFJC9psIlOCaXXphXVq4rkvY1o.js
1684 ms
js_GUM5YthC1q0VXX2RGHZRaekQo89tiuSfIkyx6yQ40FM.js
1512 ms
js_DdBHPIGAiiHbGzIIaf3lXPSWhjAn25r9Trq7zNR-pL4.js
1593 ms
js_tTQWG05DepVHgkG9Fu24mMw9ny208HloC87-02Yubbk.js
1674 ms
js_5idECjjAo-X5YdkT65CaIiodkWmZlZv-WjSkHlWhoYk.js
1522 ms
2ef47c
25 ms
analytics.js
50 ms
collect
47 ms
collect
60 ms
ga-audiences
39 ms
2ef47d
138 ms
o2-academy-leeds
176 ms
EngTFUq6T_o
174 ms
WjDdqAWsLEk
173 ms
qIO8z4yOA8w
173 ms
DPp9BOC7DQE
172 ms
aFVF8sV-pmw
171 ms
leeds.png
656 ms
menu-expanded.png
375 ms
menu-leaf.png
375 ms
search-icon.png
374 ms
dd592d7b-83c1-4b78-95a3-b121905709f1.jpg
655 ms
4dd7de5d-68a3-42a4-9567-e24f93fade36.jpg
654 ms
59c7cf4e-ba8a-480d-9f97-4954f73ca9c8.jpg
1245 ms
ab6d3e66-e300-45f2-9167-baf231eb4192.jpg
1248 ms
9d5b98b4-0b83-4f01-8c4f-fd9b6d0ce5e6.jpg
1353 ms
ad468cd9-243e-4051-b1b5-895ecbb15176.jpg
1354 ms
4e76b37e-d8ec-4059-8b87-7fe63760b009.jpg
1251 ms
O2%20CTA%20300x300_Blk%20Bgd_6.png
1100 ms
Freshers-2017-gif%20B_1.gif
1507 ms
Roots-Manuva-D.jpg
1587 ms
DJ-Shadow-D_0.jpg
1591 ms
ReadingLeeds600x300_8.jpg
1691 ms
Machine%20Gun%20Kelly-B.jpg
1830 ms
Black-Rebel-Motorcycle-Club-C_0.jpg
1691 ms
amg_priority_banner_4.jpg
1955 ms
O2%20Academy%20Samsung%20App%20Banner%20ONLY_7.png
2152 ms
Best-of-Blog-Event-Panel-July_7.jpg
1954 ms
A-Video-Interview-with-Rise-Against-Event-Panel_1.jpg
2150 ms
Summer-Playlist-Event-Panel_7.jpg
2150 ms
Show-Sec-D_4.jpg
2314 ms
Insane-Clown-Posse.jpg
2437 ms
gpt.js
177 ms
controltag
191 ms
2EF47D_1_0.ttf
2404 ms
amg.woff
2365 ms
2EF47D_0_0.ttf
2487 ms
beacon.js
282 ms
EngTFUq6T_o
202 ms
WjDdqAWsLEk
196 ms
qIO8z4yOA8w
197 ms
DPp9BOC7DQE
198 ms
aFVF8sV-pmw
195 ms
notice
196 ms
get
446 ms
lqs.aspx
785 ms
pubads_impl_147.js
47 ms
controltag.js.1c86c30cac854ccdacab6e3099f5b9ee
96 ms
ads
556 ms
container.html
298 ms
www-player-vflMqr8uC.css
48 ms
www-embed-player.js
48 ms
base.js
76 ms
proxy.3d2100fd7107262ecb55ce6847f01fa5.html
255 ms
id
246 ms
2tj_Yt5eAEN1YazL-za5nq2m-sVEuK50_GPDTIKqlPM.js
158 ms
ad_status.js
424 ms
T8Ys39_ecZUP0z5o0qwgiftCx6c5Z_CDv350QIo51NY.js
152 ms
KEy420RR.js
70 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
278 ms
RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
305 ms
logo_ringo-vflOpz8ZI.png
228 ms
get
265 ms
o2-academy-leeds
1000 ms
9091.js
73 ms
osd_listener.js
24 ms
osd.js
39 ms
sync
54 ms
sync
55 ms
383116-57.js
117 ms
383116-10.js
117 ms
sync
4 ms
sync
4 ms
383116-2.js
84 ms
383116-15.js
176 ms
show_ads.js
3 ms
ca-pub-1884777957953415.js
11 ms
zrt_lookup.html
8 ms
show_ads_impl.js
33 ms
emily.html
163 ms
ads
268 ms
osd.js
54 ms
ads
231 ms
tap.php
7 ms
gen_204
14 ms
ad
38 ms
m_window_focus_non_hydra.js
2 ms
m_qs_click_protection.js
2 ms
Creative-C_300x250.jpg
58 ms
abg.js
7 ms
lidar.js
29 ms
d5qAyLYU.js
26 ms
pixel
36 ms
cookie_push.html
15 ms
transparent.png
32 ms
usermatchredir
61 ms
9im3l02I.html
25 ms
pixel
60 ms
pixel
61 ms
T8Ys39_ecZUP0z5o0qwgiftCx6c5Z_CDv350QIo51NY.js
2 ms
usermatchredir
19 ms
pixel
21 ms
sync
100 ms
emoji.css
71 ms
font-awesome.min.css
65 ms
social-hubs_b0907.js
73 ms
packery-hub_897e7.css
69 ms
packery-hub_3bf5b.js
112 ms
11906329_960233084022564_1448528159_a.jpg
1672 ms
3u7j3B6D_400x400.jpg
197 ms
15875646_1843982242487588_8708103702252093440_a.jpg
283 ms
CzZSgSUUoAA_dTM.jpg
241 ms
Y0p015zA_400x400.jpg
177 ms
Cx-j5HFXAAYrMNU.jpg
247 ms
QJOcBiyL_400x400.jpg
231 ms
Cx4_kHyXAAAJvvg.jpg
241 ms
1rnPstHe_400x400.jpg
177 ms
Cw263x8W8AAnocw.jpg
246 ms
Oa_VoKiP_400x400.jpg
181 ms
Cwxu4B-XgAEla37.jpg
245 ms
b4fe0b57ece0f7ecce049ac9a19a7bfe_400x400.jpeg
180 ms
CwxJXF-XcAATk5r.jpg
244 ms
14723155_1173115036090535_955970620993044480_n.jpg
271 ms
11201520_117067571973110_2089472863_a.jpg
270 ms
15035573_332711703760560_4042799449540395008_n.jpg
272 ms
14488114_1829427497341389_3410225443435970560_n.jpg
271 ms
15101594_108972219594405_6602326218215784448_a.jpg
303 ms
14677249_1145708285496070_8249117641298411520_n.jpg
273 ms
14659319_208432132914907_6256964397546078208_a.jpg
287 ms
14676785_1782547705295649_9101805585996709888_n.jpg
272 ms
12141851_988311307911176_1093645048_a.jpg
342 ms
14677196_915868758513871_7161503017097756672_n.jpg
300 ms
13722028_163599934065068_109697499_a.jpg
371 ms
14714518_1304846846216328_1108855681315766272_n.jpg
274 ms
14478306_1196531757059750_8479649873472258048_n.jpg
277 ms
14533469_998020926991012_6827078236158033920_a.jpg
361 ms
14676645_445379858919165_1781014176194363392_n.jpg
289 ms
13402685_251943401845324_622186169_a.jpg
291 ms
14624463_1670110036634467_3760614617814925312_n.jpg
294 ms
14073348_614961428679898_1703330500_a.jpg
297 ms
14712014_609427015896879_8052780439791730688_n.jpg
301 ms
10684263_544899562307734_571501696_a.jpg
302 ms
14693803_1131549233548483_3839048163818209280_n.jpg
1409 ms
10631982_1012015682204853_1467275915_a.jpg
489 ms
14499063_1177416992302064_6887591683953786880_n.jpg
305 ms
14515688_1063633440352490_9078254454951641088_n.jpg
308 ms
14350475_1860144184213488_1767098512220094464_a.jpg
330 ms
14359529_292470511138715_9033411526047825920_n.jpg
335 ms
14374463_1163298037097306_3136551055047786496_n.jpg
344 ms
13696545_1120083341364476_1267912980_a.jpg
381 ms
14482087_186218951806054_1645940925068738560_n.jpg
347 ms
14294875_108818799578107_1551880648_a.jpg
379 ms
14449322_1477709058909591_1545767482973749248_n.jpg
363 ms
14478425_326820407668024_886055189138636800_n.jpg
366 ms
14052467_327706214233411_127749280_a.jpg
489 ms
14482147_1162436380461517_4044499238682361856_n.jpg
374 ms
iphone_emoji.png
235 ms
fontawesome-webfont.woff
55 ms
14295426_1194583250608882_4479645396464828416_n.jpg
121 ms
14334519_956755014430266_797068152574836736_n.jpg
119 ms
14369027_161151904333259_2444845554119737344_n.jpg
224 ms
13642886_578731242301432_266589649_a.jpg
119 ms
14359489_1785097055064202_4769341378666692608_n.jpg
150 ms
13642861_158634597902069_1183299077_a.jpg
184 ms
14309918_206023966482709_3094488078086045696_n.jpg
183 ms
14240548_127589081030082_1062018018_a.jpg
187 ms
14360186_309956702706725_4514506215782350848_n.jpg
218 ms
14262660_990342104411111_859989898_n.jpg
221 ms
12501703_1492867134356357_1233117337_a.jpg
208 ms
14359540_1117658224995348_1982375505_n.jpg
207 ms
13658555_130782020702318_51897260_a.jpg
236 ms
14262738_342197696114716_1690677797_n.jpg
202 ms
14295349_916581805152351_488969586_n.jpg
202 ms
11821342_900696859976111_1998371936_a.jpg
198 ms
14373946_305038133186775_2062937928_n.jpg
199 ms
14099593_1764496987163808_458369259_a.jpg
198 ms
14374046_1583512611954223_1836189138_n.jpg
200 ms
14288025_302315816794062_880224394_n.jpg
196 ms
14294822_1260377770641344_1202004148_n.jpg
197 ms
14294824_1681761485475449_1036919765_n.jpg
200 ms
14269258_100837800376793_1071749588_n.jpg
168 ms
14309735_906158756195586_144245190_n.jpg
164 ms
14026498_1747325335505535_817459570_n.jpg
165 ms
14052346_1138489609559198_1845424767_n.jpg
159 ms
14073332_172114996548304_75090399_n.jpg
175 ms
14032955_1030070787092110_1610876930_n.jpg
145 ms
13151330_966327603488041_170716625_a.jpg
231 ms
13651934_1809084295995922_687651623_n.jpg
147 ms
activeview
16 ms
activeview
51 ms
activeview
22 ms
activeview
18 ms
optout_check
51 ms
get
57 ms
tag.aspx
66 ms
UCookieSetPug
92 ms
379708.gif
38 ms
utsync.ashx
25 ms
9 ms
pixel
23 ms
UCookieSetPug
30 ms
conversion
81 ms
o2academyleeds.co.uk 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
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
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
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>).
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.
o2academyleeds.co.uk 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
o2academyleeds.co.uk 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
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 O2academyleeds.co.uk 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 O2academyleeds.co.uk 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.
o2academyleeds.co.uk
Open Graph description is not detected on the main page of O2 Academy Leeds. 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: