48.6 sec in total
3.4 sec
43 sec
2.2 sec
Click here to check amazing U Doctor content for Japan. Otherwise, check out these important facts you probably never knew about u-doctor.com
湯ドクターは、給湯器・ガス給湯器・風呂釜の取付、交換、修理などの工事を全国対応しております。長期保証付きで、価格もお求めやすくなっております。湯ドクターは、創業昭和2年の実績を元に、お客様に安心と信頼でお応えします。
Visit u-doctor.comWe analyzed U-doctor.com page load time and found that the first response time was 3.4 sec and then it took 45.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% 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.
u-doctor.com performance score
name
value
score
weighting
Value4.0 s
22/100
10%
Value10.2 s
0/100
25%
Value14.0 s
1/100
10%
Value5,740 ms
0/100
30%
Value0.208
60/100
15%
Value18.5 s
3/100
10%
3404 ms
1140 ms
4699 ms
1411 ms
96 ms
Our browser made a total of 159 requests to load all elements on the main page. We found that 68% of them (108 requests) were addressed to the original U-doctor.com, 5% (8 requests) were made to Apis.google.com and 4% (7 requests) were made to Tg.socdm.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain U-doctor.com.
Page size can be reduced by 651.6 kB (31%)
2.1 MB
1.5 MB
In fact, the total size of U-doctor.com main page is 2.1 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. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 117.5 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 35.1 kB, which is 25% 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 117.5 kB or 85% of the original size.
Potential reduce by 320.9 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, U Doctor needs image optimization as it can save up to 320.9 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 92.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 92.4 kB or 55% of the original size.
Potential reduce by 120.8 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. U-doctor.com needs all CSS files to be minified and compressed as it can save up to 120.8 kB or 87% of the original size.
Number of requests can be reduced by 35 (24%)
146
111
The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U Doctor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.
www.u-doctor.com
3404 ms
font-awesome.min.css
1140 ms
commons.css
4699 ms
top.css
1411 ms
jquery.min.js
96 ms
jquery-migrate-1.0.0.js
957 ms
commons.js
5422 ms
search_form.js
2884 ms
top.js
2071 ms
function.js
1872 ms
top_function.js
1985 ms
video_s.js
2152 ms
onthefly
95 ms
si.js
152 ms
onthefly
259 ms
s_retargeting.js
724 ms
conversion.js
90 ms
so_sg.js
1384 ms
heder_logo.png
511 ms
head_scroll_bt01.png
1892 ms
head_scroll_bt02.png
1944 ms
head_scroll_bt03.png
523 ms
heder_tel.png
5708 ms
head_catch.png
1512 ms
bt_global_navi01.png
1737 ms
logo_noritz.jpg
14992 ms
logo_rinnai.jpg
7447 ms
logo_parpas.jpg
5418 ms
logo_paloma.jpg
5768 ms
bnr_campaign.jpg
8302 ms
bnr_outlet.png
5943 ms
bt_global_navi02.png
6202 ms
bt_global_navi03.png
6469 ms
bt_global_navi04.png
6746 ms
bt_global_navi05.png
6947 ms
bt_global_navi06.png
7190 ms
main_image01.jpg
9015 ms
main_image02.jpg
9672 ms
main_image03.jpg
13273 ms
main_image04.jpg
10881 ms
main_image05.jpg
13456 ms
linebutton.png
9451 ms
sp_top_call.png
10345 ms
06171543_55811712dee6d.jpg
13054 ms
icon_full_auto_sp.png
11756 ms
gt_aw.jpg
13008 ms
06171551_5581190cc8087.jpg
20258 ms
06171528_5581137d7ef73.jpg
16267 ms
gx_2400aw.jpg
15226 ms
icon_auto_sp.png
16951 ms
rufh_v_aw.jpg
16025 ms
gth2444aw.jpg
17534 ms
logo_rinnai.png
15743 ms
all.js
406 ms
analytics.js
244 ms
logo_noritz.png
16424 ms
video_s.php
238 ms
collect
101 ms
collect
244 ms
fontawesome-webfont.woff
18286 ms
smarticon
144 ms
1042 ms
logo_parpas.png
17356 ms
xd_arbiter.php
838 ms
xd_arbiter.php
2162 ms
platform.js
1093 ms
1051 ms
js
2285 ms
tag.js
955 ms
icon_campaign.png
15880 ms
like.php
170 ms
icon_item_news.png
16783 ms
172 ms
cb=gapi.loaded_0
63 ms
cb=gapi.loaded_1
134 ms
fastbutton
186 ms
3XaI8mzWBSs.js
705 ms
LVx-xkvaJ0b.png
738 ms
icon_info.png
16010 ms
icon_news.png
16072 ms
postmessageRelay
523 ms
cb=gapi.loaded_0
334 ms
cb=gapi.loaded_1
325 ms
1077434459-postmessagerelay.js
258 ms
rpc:shindig_random.js
93 ms
cb=gapi.loaded_0
291 ms
sosync
1045 ms
419 ms
sync
789 ms
sync_before
257 ms
sync_before
502 ms
sync_before
498 ms
idsync
524 ms
sync
732 ms
pixel
153 ms
sync
696 ms
74 ms
cs
455 ms
is
890 ms
sd
56 ms
Pug
19533 ms
tap.php
51 ms
icon_gass.png
15317 ms
sync
1649 ms
bt_modal_close.png
12787 ms
bnr_gasconro.png
14848 ms
bnr_saiki-grp.png
17792 ms
bnr_lifa.png
19684 ms
bnr_challenge25.png
14635 ms
bnr_oem.png
13987 ms
bnr_left01.jpg
17608 ms
bnr_left02.jpg
16462 ms
bnr_left03.jpg
16453 ms
bnr_left04.jpg
14712 ms
bnr_left05.jpg
17817 ms
bnr_left06.jpg
18232 ms
certification01.png
16960 ms
certification03.png
15358 ms
bt_sp_menu.png
16504 ms
bt_sp_close.png
14417 ms
foot_u_doctor.png
13372 ms
bg_global_navi.png
13589 ms
bg_wrapper.png
13562 ms
top_info.jpg
13603 ms
bg_four_list01.png
12114 ms
icon_category_right01_w.png
12037 ms
bg_four_list04.png
11517 ms
bg_four_list03.png
12687 ms
bg_four_list02.png
12450 ms
icon_category.png
11439 ms
bg_title01.png
10996 ms
icon_link_right01.png
12112 ms
bg_discount.png
10824 ms
icon_category_right01.png
10485 ms
icon_category_bottom01.png
12420 ms
bg_footer.png
11099 ms
bt_page_top_pc.png
10622 ms
icon_full_auto_pc.png
11031 ms
icon_auto_pc.png
10758 ms
form_btn_right.png
10772 ms
form_btn_left.png
10601 ms
form_select_left.png
10319 ms
form_select_right.png
10402 ms
form_input_text_left.png
8895 ms
form_input_text_right.png
8396 ms
bt_global_navi01_on.png
426 ms
bt_global_navi02_on.png
432 ms
bt_global_navi03_on.png
461 ms
bt_global_navi04_on.png
461 ms
bt_global_navi05_on.png
481 ms
bt_global_navi06_on.png
483 ms
bt-left.png
2279 ms
bt-right.png
2069 ms
main_image01_s.png
1198 ms
main_image02_s.png
3330 ms
main_image03_s.png
943 ms
main_image04_s.png
986 ms
main_image05_s.png
1477 ms
main_image01_on.png
1621 ms
u-doctor.com 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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
u-doctor.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
Page has valid source maps
u-doctor.com 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
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise U-doctor.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that U-doctor.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.
u-doctor.com
Open Graph data is detected on the main page of U Doctor. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: