8 sec in total
891 ms
6.9 sec
259 ms
Click here to check amazing Yaecon content for Japan. Otherwise, check out these important facts you probably never knew about yaecon.com
安心と信頼の八重洲コンタクトレンズ(ヤエコン)公式サイト。ヤエコンは東京・渋谷・横浜の各駅から徒歩2分。眼科併設で初めての方も安心です。安心価格設定の使い捨てコンタクトレンズはネット販売も行っております。
Visit yaecon.comWe analyzed Yaecon.com page load time and found that the first response time was 891 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
yaecon.com performance score
name
value
score
weighting
Value5.8 s
5/100
10%
Value6.5 s
9/100
25%
Value7.4 s
28/100
10%
Value110 ms
98/100
30%
Value0
100/100
15%
Value6.7 s
56/100
10%
891 ms
374 ms
393 ms
393 ms
1027 ms
Our browser made a total of 127 requests to load all elements on the main page. We found that 97% of them (123 requests) were addressed to the original Yaecon.com, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to S.yjtag.jp. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Yaecon.com.
Page size can be reduced by 297.2 kB (27%)
1.1 MB
815.7 kB
In fact, the total size of Yaecon.com main page is 1.1 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. 25% of websites need less resources to load. Images take 785.8 kB which makes up the majority of the site volume.
Potential reduce by 29.4 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. This page needs HTML code to be minified as it can gain 6.6 kB, which is 18% 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 29.4 kB or 81% of the original size.
Potential reduce by 61.3 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. Yaecon images are well optimized though.
Potential reduce by 158.0 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 158.0 kB or 68% of the original size.
Potential reduce by 48.5 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. Yaecon.com needs all CSS files to be minified and compressed as it can save up to 48.5 kB or 85% of the original size.
Number of requests can be reduced by 21 (17%)
126
105
The browser has sent 126 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yaecon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
yaecon.com
891 ms
import.css
374 ms
top.css
393 ms
jquery.ad-gallery.css
393 ms
jquery.js
1027 ms
yuga.js
437 ms
default.js
441 ms
hightline.js
562 ms
jquery.ad-gallery.js
800 ms
common.css
221 ms
module.css
522 ms
analytics.js
62 ms
shibuya001-top.jpg
828 ms
img_logo_top.png
430 ms
txt_tagline.png
225 ms
btn_contact.gif
188 ms
btn_company.gif
212 ms
btn_sitemap.gif
215 ms
navi_01.jpg
215 ms
navi_02.jpg
374 ms
navi_03.jpg
408 ms
navi_04.jpg
411 ms
navi_05.jpg
411 ms
navi_01_on.jpg
434 ms
navi_02_on.jpg
561 ms
navi_03_on.jpg
602 ms
navi_04_on.jpg
606 ms
navi_05_on.jpg
606 ms
navi_01_cr.jpg
638 ms
navi_02_cr.jpg
646 ms
navi_03_cr.jpg
755 ms
navi_04_cr.jpg
798 ms
navi_05_cr.jpg
801 ms
img_logo.png
803 ms
btn_login.gif
846 ms
btn_login_on.gif
860 ms
btn_beginner.gif
939 ms
btn_beginner_on.gif
991 ms
btn_home.gif
996 ms
btn_pagetop.gif
997 ms
ttl_delivery_side.gif
1056 ms
ttl_delivery_side_on.gif
1069 ms
txt_deliverybox_01.gif
1125 ms
btn_deliverybox_01_on.gif
1186 ms
btn_deliverybox_02.gif
1190 ms
btn_deliverybox_02_on.gif
1190 ms
ttl_shop_side.gif
1264 ms
ttl_shop_side_on.gif
1280 ms
btn_yaesu.gif
1268 ms
tag.js
40 ms
collect
12 ms
btn_yaesu_on.gif
1200 ms
btn_shibuya.gif
1180 ms
btn_shibuya_on.gif
1178 ms
btn_yokohama.gif
1266 ms
btn_yokohama_on.gif
1307 ms
ttl_beginner_side.gif
1152 ms
ttl_item_side.gif
1206 ms
ttl_shop_side.gif
1176 ms
ttl_campaign_side.gif
1177 ms
ttl_feature_side.gif
1260 ms
ttl_company_side.gif
1280 ms
beacon.gif
157 ms
ttl_news_side.gif
1182 ms
ttl_deliveryside_side.gif
1182 ms
ttl_newinfo.gif
1178 ms
ttl_delivery.gif
1203 ms
txt_delivery_01.gif
1284 ms
btn_delivery_01.gif
1267 ms
btn_delivery_01_on.gif
1200 ms
btn_delivery_02.gif
1181 ms
btn_delivery_02_on.gif
1177 ms
txt_delivery_02.gif
1201 ms
txt_delivery_03.gif
1255 ms
txt_delivery_04.gif
1271 ms
ttl_coupon.gif
1226 ms
ttl_coupon_on.gif
1185 ms
txt_coupon.gif
1179 ms
btn_coupon.gif
1211 ms
btn_coupon_on.gif
1233 ms
ttl_shop.gif
1308 ms
ttl_shop_on.gif
1252 ms
txt_shop.gif
1186 ms
img_mobile.gif
1181 ms
icon_campaign.gif
1213 ms
icon_item.gif
1209 ms
icon_shop.gif
1287 ms
vis_delivery.jpg
1263 ms
vis_delivery_on.jpg
1415 ms
bg_body.gif
1624 ms
bg_gallery.gif
1211 ms
thumbs_17.jpg
1187 ms
thumbs_10.jpg
1242 ms
thumbs_160314_1daypure.jpg
1246 ms
thumbs_16.jpg
1212 ms
thumbs_15.png
1266 ms
thumbs_08.jpg
1349 ms
thumbs_04.jpg
1284 ms
btn_info_list.gif
1315 ms
bg_dot_02.gif
1272 ms
bullet_arrow_02.gif
1258 ms
important-icon_000.png
1378 ms
bg_recom_tp_01.gif
1368 ms
bg_recom_bt_01.gif
1315 ms
bg_recom_tp_02.gif
1304 ms
bg_recom_bt_02.gif
1268 ms
btn_detail.gif
1247 ms
img_shortcut_02.jpg
1379 ms
img_shortcut_03.jpg
1370 ms
img_shortcut_04.jpg
1317 ms
bg_delivery_top.gif
1303 ms
ttl_delivery.jpg
1432 ms
bg_coupon_top.gif
1261 ms
bg_shop_top.gif
1376 ms
img_map.gif
1362 ms
banner_08.jpg
1518 ms
bn_regist.gif
1270 ms
bn_staff.gif
1280 ms
bg_foot.gif
1382 ms
img_logo_f.jpg
1391 ms
bg_dot_01.gif
1379 ms
bullet_arrow_01.gif
1377 ms
bullet_circle_01.gif
1297 ms
bullet_down.gif
1380 ms
loader.gif
1368 ms
vis_17.jpg
2046 ms
vis_10.jpg
425 ms
yaecon.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
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.
yaecon.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
yaecon.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
JA
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yaecon.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Yaecon.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
yaecon.com
Open Graph description is not detected on the main page of Yaecon. 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: