8.7 sec in total
124 ms
8.3 sec
206 ms
Visit jsustek.com now to see the best up-to-date Jsus Tek content and also check out these interesting facts you probably never knew about jsustek.com
Discover Pleasantly Surprised Surface Mounted Magnetic Contacts, Smoke Detectors, Electrical Sirens, Strobe Siren Lights, PIR Motion Sensors, Video Entry Systems, Access Control Systems, Wireless GSM ...
Visit jsustek.comWe analyzed Jsustek.com page load time and found that the first response time was 124 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
jsustek.com performance score
name
value
score
weighting
Value2.2 s
78/100
10%
Value3.7 s
57/100
25%
Value9.4 s
12/100
10%
Value360 ms
72/100
30%
Value0.851
4/100
15%
Value3.9 s
88/100
10%
124 ms
239 ms
81 ms
86 ms
87 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 97% of them (38 requests) were addressed to the original Jsustek.com, 3% (1 request) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (691 ms) belongs to the original domain Jsustek.com.
Page size can be reduced by 102.9 kB (49%)
210.9 kB
108.0 kB
In fact, the total size of Jsustek.com main page is 210.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 5% of websites need less resources to load. Images take 79.2 kB which makes up the majority of the site volume.
Potential reduce by 50.1 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 17.0 kB, which is 30% 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 50.1 kB or 87% of the original size.
Potential reduce by 2.6 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. Jsus Tek images are well optimized though.
Potential reduce by 39.7 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 39.7 kB or 66% of the original size.
Potential reduce by 10.5 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. Jsustek.com needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 75% of the original size.
Number of requests can be reduced by 3 (8%)
37
34
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsus Tek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
jsustek.com
124 ms
www.jsustek.com
239 ms
basic.css
81 ms
index.css
86 ms
seo.css
87 ms
jquery.js
180 ms
index.js
93 ms
common.js
91 ms
stats.js
37 ms
bg_001.gif
54 ms
index_001.gif
70 ms
logo.gif
167 ms
index_002.gif
87 ms
qm4656150-jsus_electronic_technology_co_limited.jpg
101 ms
qm4667856-jsus_electronic_technology_co_limited.jpg
134 ms
bg_not.gif
161 ms
waiting.gif
116 ms
pm4656022-photoelectronic_smoke_detector_9v_12voptional.jpg
186 ms
pm3534113-alarm_normarlly_open_normally_closed_magnetic_contacts_switches_door_magnetic_contact_door.jpg
288 ms
pm3533498-24v_fire_alarm_with_strobe_led_light_and_loud_speakers_buzzer.jpg
240 ms
pm3534353-ce_certified_door_switch_sensor_in_dimension_10_33mm_inner_packing_20sets_pe.jpg
307 ms
pm4656178-smoke_heat_detector.jpg
217 ms
pd4656093-gas_detector.jpg
355 ms
pd3532391-professional_manufacturer_of_led_strobe_light.jpg
332 ms
pd4656044-photoelectronic_smoke_detector_powered_by_9v_battery.jpg
339 ms
pd3534164-surface_mounted_door_switch_sensors_in_abs_housing_with_ce.jpg
377 ms
pd3533242-manufacturer_of_fire_siren_with_strobe_light_led_light.jpg
379 ms
pd4656107-wired_large_angel_outdoor_pir_sensor.jpg
382 ms
pd3534282-door_switch_sensor_with_leads_1007ul22awg430mm_wire_with_cable_available.jpg
646 ms
pd3533906-magnetic_roller_shutters_in_zinc_alloyed_with_output_n_c_n_o_changeover_available.jpg
596 ms
pd4656034-photoelectronic_smoke_detector_9v_12voptional_with_ceiling_mount.jpg
598 ms
pd3534206-door_switch_sensor_in_dimension_6_8_27mm_switch_and_6_5_20mm_magnet.jpg
587 ms
pd3534075-surface_mounted_door_switch_sensors_in_gap_of_20_25mm.jpg
545 ms
pd3531709-mini_piezo_strobe_siren_with_tube_dc12v_2_mini_piezo_strobe_piezo_alarm_strobe_siren_sl_35.jpg
449 ms
cd2611354-jsus_electronic_technology_co_limited.jpg
669 ms
cd3654090-jsus_electronic_technology_co_limited.jpg
691 ms
button_111.gif
449 ms
pt4656022-photoelectronic_smoke_detector_9v_12voptional.jpg
97 ms
bg_nav_edito_sel2.png
129 ms
jsustek.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.
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
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
jsustek.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
jsustek.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsustek.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Jsustek.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.
jsustek.com
Open Graph description is not detected on the main page of Jsus Tek. 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: