26.5 sec in total
1.4 sec
23.5 sec
1.6 sec
Visit centraldt.com now to see the best up-to-date Central Dt content and also check out these interesting facts you probably never knew about centraldt.com
Central Driver Training is a growing family business based in Bedford. We offer a comprehensive range of driver training courses. Learn more now!
Visit centraldt.comWe analyzed Centraldt.com page load time and found that the first response time was 1.4 sec and then it took 25.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
centraldt.com performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value30.6 s
0/100
25%
Value17.0 s
0/100
10%
Value2,790 ms
3/100
30%
Value0.001
100/100
15%
Value21.5 s
1/100
10%
1444 ms
196 ms
27 ms
198 ms
210 ms
Our browser made a total of 273 requests to load all elements on the main page. We found that 24% of them (65 requests) were addressed to the original Centraldt.com, 60% (165 requests) were made to Maps.googleapis.com and 5% (15 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Hedgehogdigital.co.uk.
Page size can be reduced by 244.5 kB (4%)
6.5 MB
6.2 MB
In fact, the total size of Centraldt.com main page is 6.5 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 5.2 MB which makes up the majority of the site volume.
Potential reduce by 111.2 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 111.2 kB or 83% of the original size.
Potential reduce by 124.2 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. Central Dt images are well optimized though.
Potential reduce by 7.4 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 1.7 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. Centraldt.com has all CSS files already compressed.
Number of requests can be reduced by 135 (52%)
260
125
The browser has sent 260 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Central Dt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 74 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.
www.centraldt.com
1444 ms
wp-emoji-release.min.js
196 ms
css
27 ms
styles.css
198 ms
style.css
210 ms
settings.css
203 ms
hg-mailchimp.css
27 ms
style.css
35 ms
bootstrap.min.css
308 ms
template.min.css
324 ms
znb_frontend.css
379 ms
51-layout.css
452 ms
animate.min.css
391 ms
zn_dynamic.css
394 ms
jquery.js
315 ms
jquery-migrate.min.js
526 ms
jquery.themepunch.tools.min.js
606 ms
jquery.themepunch.revolution.min.js
652 ms
email-decode.min.js
395 ms
css
25 ms
scripts.js
549 ms
hg-mailchimp.js
548 ms
plugins.min.js
601 ms
scrollmagic.js
787 ms
znscript.min.js
789 ms
SmoothScroll.min.js
790 ms
slick.min.js
879 ms
znpb_frontend.bundle.js
914 ms
zn_script_child.js
806 ms
wp-embed.min.js
805 ms
scripts.js
1074 ms
api.js
37 ms
bedford-web-design.png
19668 ms
logo.jpg
374 ms
cdt-cars.jpg
987 ms
CentralDT.jpg
847 ms
credit-cards-we-accept.png
463 ms
driving-instructure-icon.png
462 ms
driving-lessons-icon.png
809 ms
intensive-courses-icon.png
809 ms
standard-checks-2-1.png
809 ms
INSTRUCTOR-FRANCHISES-1.png
807 ms
CORPORATE-TRAINING-2-1.png
973 ms
GIFT-VOUCHERS.png
844 ms
centraldt-offers.png
974 ms
book-driving-lessons.jpg
1291 ms
gallery-homepgae-cdt.jpg
1228 ms
cdt-gallery.jpg
1316 ms
TRAIN-TO-BE-A-DRIVING-INSTRUCTORE.jpg
1328 ms
DRIVING-LESSONS.jpg
1291 ms
INTENSIVE-COURSES.jpg
1251 ms
cdt-driving-lessons-tab-1.jpg
1967 ms
cdt-dowload-homepage-tab.jpg
1808 ms
analytics.js
180 ms
sdk.js
164 ms
embed
264 ms
shop-duo_LI-4.jpg
1784 ms
cdt-intensive-courses.jpg
1579 ms
EXPERT-1.png
1512 ms
SHOP.png
1513 ms
about-centraldt.jpg
1956 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf
40 ms
icomoon.woff
1651 ms
glyphicons_halflingsregular.woff
1807 ms
kl-social-icons.woff
1901 ms
1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQ.ttf
90 ms
1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrQ.ttf
91 ms
sdk.js
20 ms
collect
55 ms
74 ms
js
114 ms
rs=ABjfnFV0pirKJ59Bzx_oqPwJorCo1yxeLA
33 ms
css
18 ms
js
263 ms
m=gmeviewer_base
54 ms
KFOlCnqEu92Fr1MmWUlfBBc9.ttf
80 ms
KFOlCnqEu92Fr1MmEU9fBBc9.ttf
88 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
87 ms
KFOlCnqEu92Fr1MmSU5fBBc9.ttf
206 ms
recaptcha__en.js
266 ms
revolution.extension.slideanims.min.js
1551 ms
revolution.extension.layeranimation.min.js
1630 ms
revolution.extension.kenburn.min.js
1649 ms
revolution.extension.navigation.min.js
1667 ms
ajax-loader.gif
1657 ms
gen_204
215 ms
lazy.min.js
164 ms
m=ws9Tlc
159 ms
common.js
155 ms
util.js
174 ms
map.js
183 ms
overlay.js
166 ms
1899-blank-shape_pin_4x.png&highlight=ff000000,C2185B&scale=2.0
177 ms
marker.js
165 ms
geocoder.js
153 ms
controls.js
154 ms
places_impl.js
168 ms
selection_2x-000.png
134 ms
1899-blank-shape_pin_4x.png&highlight=ff000000,0288D1&scale=2.0
168 ms
gen204
132 ms
info-000.png
69 ms
gm-close000.png
65 ms
fallback
166 ms
openhand_8_8.cur
55 ms
ViewportInfoService.GetViewportInfo
60 ms
fallback__ltr.css
10 ms
onion.js
10 ms
css
13 ms
logo_48.png
11 ms
AuthenticationService.Authenticate
16 ms
vt
33 ms
vt
32 ms
vt
45 ms
vt
34 ms
vt
43 ms
vt
36 ms
vt
74 ms
vt
67 ms
vt
73 ms
vt
102 ms
vt
100 ms
vt
69 ms
vt
101 ms
vt
105 ms
vt
109 ms
vt
106 ms
QuotaService.RecordEvent
119 ms
vt
141 ms
vt
94 ms
vt
103 ms
vt
110 ms
vt
104 ms
vt
117 ms
vt
40 ms
vt
46 ms
vt
43 ms
vt
48 ms
vt
41 ms
vt
42 ms
vt
41 ms
vt
39 ms
vt
28 ms
vt
41 ms
vt
47 ms
vt
59 ms
vt
43 ms
vt
44 ms
vt
33 ms
viewer-icons001.png
68 ms
star4.png
96 ms
MyMaps_Icons003.png
34 ms
mymaps_32.png
31 ms
v1_4593b7d7.png
34 ms
google-my-maps-logo-small-001.png
32 ms
css
84 ms
css
85 ms
loader.gif
225 ms
revicons.woff
228 ms
vt
43 ms
vt
36 ms
vt
49 ms
vt
35 ms
vt
46 ms
print.css
218 ms
vt
45 ms
vt
48 ms
vt
47 ms
vt
46 ms
vt
43 ms
ViewportInfoService.GetViewportInfo
68 ms
vt
43 ms
vt
47 ms
vt
35 ms
vt
34 ms
vt
44 ms
vt
52 ms
vt
37 ms
vt
38 ms
vt
38 ms
vt
39 ms
vt
44 ms
vt
41 ms
vt
40 ms
vt
39 ms
vt
42 ms
vt
34 ms
vt
39 ms
vt
37 ms
vt
38 ms
vt
34 ms
vt
52 ms
vt
47 ms
vt
48 ms
vt
30 ms
vt
49 ms
vt
32 ms
vt
43 ms
vt
23 ms
vt
42 ms
vt
36 ms
vt
30 ms
vt
35 ms
vt
50 ms
vt
35 ms
vt
45 ms
vt
21 ms
vt
24 ms
vt
25 ms
vt
24 ms
vt
32 ms
vt
38 ms
vt
39 ms
vt
37 ms
vt
36 ms
vt
34 ms
vt
20 ms
vt
34 ms
vt
34 ms
vt
35 ms
vt
26 ms
vt
47 ms
vt
42 ms
vt
40 ms
vt
40 ms
vt
45 ms
vt
40 ms
vt
24 ms
vt
24 ms
vt
25 ms
vt
25 ms
vt
42 ms
vt
29 ms
vt
29 ms
vt
28 ms
vt
40 ms
vt
23 ms
vt
32 ms
vt
32 ms
vt
33 ms
vt
45 ms
vt
39 ms
vt
29 ms
vt
29 ms
vt
27 ms
vt
38 ms
vt
48 ms
vt
36 ms
vt
36 ms
ViewportInfoService.GetViewportInfo
58 ms
vt
41 ms
vt
22 ms
vt
20 ms
vt
20 ms
vt
43 ms
vt
34 ms
vt
33 ms
vt
34 ms
vt
24 ms
vt
51 ms
vt
30 ms
vt
33 ms
vt
34 ms
vt
34 ms
vt
23 ms
vt
43 ms
vt
24 ms
vt
18 ms
vt
19 ms
vt
40 ms
vt
30 ms
vt
54 ms
vt
46 ms
vt
90 ms
centraldt.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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
centraldt.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
Browser errors were logged to the console
centraldt.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
Image elements do not have [alt] attributes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centraldt.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 Centraldt.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.
centraldt.com
Open Graph data is detected on the main page of Central Dt. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: