Tools & Wizards About Us
jjstech.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

jjstech.com

Gas Monitors and Gas Detection Equipment BW Technologies

Page Load Speed

1.6 sec in total

First Response

51 ms

Resources Loaded

1.3 sec

Page Rendered

271 ms

jjstech.com screenshot

About Website

Click here to check amazing Jjstech content for United States. Otherwise, check out these important facts you probably never knew about jjstech.com

Gas Monitors and Gas Detection Equipment BW Technologies ...

Visit jjstech.com

Key Findings

We analyzed Jjstech.com page load time and found that the first response time was 51 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

jjstech.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value18.8 s

3/100

10%

Network Requests Diagram

www.jjstech.com

51 ms

pinit.js

127 ms

jquery.mmenu.all-2020.css

134 ms

owl.carousel.min.css

130 ms

slick.css

137 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Jjstech.com, 38% (59 requests) were made to Sep.turbifycdn.com and 29% (45 requests) were made to S.turbifycdn.com. The less responsive or slowest element that took the longest time to load (799 ms) relates to the external source S.turbifycdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 271.9 kB (14%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jjstech.com main page is 1.9 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. 75% 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 95.3 kB

  • Original 113.0 kB
  • After minification 109.7 kB
  • After compression 17.7 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 95.3 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 37 B

  • Original 1.3 MB
  • After minification 1.3 MB

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. Jjstech images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 47.4 kB

  • Original 350.1 kB
  • After minification 345.0 kB
  • After compression 302.6 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 47.4 kB or 14% of the original size.

CSS Optimization

-76%

Potential reduce by 129.2 kB

  • Original 169.5 kB
  • After minification 136.6 kB
  • After compression 40.3 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. Jjstech.com needs all CSS files to be minified and compressed as it can save up to 129.2 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 79 (53%)

Requests Now

150

After Optimization

71

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jjstech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.jjstech.com

www.jjstech.com

51 ms

pinit.js

pinit.js

127 ms

jquery.mmenu.all-2020.css

jquery.mmenu.all-2020.css

134 ms

owl.carousel.min.css

owl.carousel.min.css

130 ms

slick.css

slick.css

137 ms

slick-theme.css

slick-theme.css

133 ms

owl.theme.default.min.css

owl.theme.default.min.css

133 ms

sidemenu.css

sidemenu.css

157 ms

pdPrStyle.css

pdPrStyle.css

146 ms

style-2020.css

style-2020.css

166 ms

responsive.css

responsive.css

163 ms

sharethis.js

sharethis.js

160 ms

freshwidget.js

freshwidget.js

137 ms

ACRunActiveContent.js

ACRunActiveContent.js

156 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

147 ms

anylinkcssmenu.js

anylinkcssmenu.js

155 ms

seal.js

seal.js

182 ms

jquery.menu-aim-2020.js

jquery.menu-aim-2020.js

153 ms

bootstrap.min-2020.js

bootstrap.min-2020.js

152 ms

jquery.mmenu.min.all-2020.js

jquery.mmenu.min.all-2020.js

179 ms

slick.js

slick.js

153 ms

b.js

b.js

278 ms

wrapper.js

wrapper.js

150 ms

jquery.bxslider.js

jquery.bxslider.js

178 ms

slick.min.js

slick.min.js

178 ms

owl.carousel.min.js

owl.carousel.min.js

178 ms

custom.js

custom.js

152 ms

query.fancybox-new.css

query.fancybox-new.css

177 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

178 ms

sli-rac.config.js

sli-rac.config.js

151 ms

loader-min-1.0.34.js

loader-min-1.0.34.js

153 ms

plusone.js

plusone.js

202 ms

freshwidget.css

freshwidget.css

34 ms

pinit_main.js

pinit_main.js

30 ms

sli-rac.config.js

sli-rac.config.js

29 ms

html2canvas.js

html2canvas.js

135 ms

freshwidget.css

freshwidget.css

11 ms

gtm.js

gtm.js

478 ms

header_bg.png

header_bg.png

126 ms

img-1785242.gif

img-1785242.gif

516 ms

secure90x72.gif

secure90x72.gif

137 ms

pageScript.php

pageScript.php

568 ms

logo_bg.png

logo_bg.png

87 ms

logo.png

logo.png

72 ms

search_icon.png

search_icon.png

70 ms

heaber_bottom_bg.png

heaber_bottom_bg.png

71 ms

all-products-arrow.png

all-products-arrow.png

87 ms

categories-arrow-h.png

categories-arrow-h.png

88 ms

icon-left1.png

icon-left1.png

118 ms

icon-left2.png

icon-left2.png

116 ms

icon-left4.png

icon-left4.png

123 ms

icon-left5.png

icon-left5.png

123 ms

categories-arrow.png

categories-arrow.png

124 ms

quattro.jpg

quattro.jpg

132 ms

gasmonitors.gif

gasmonitors.gif

391 ms

calgas.gif

calgas.gif

390 ms

e1100.jpg

e1100.jpg

390 ms

waterquality.jpg

waterquality.jpg

389 ms

all-test-iv-pro-13.gif

all-test-iv-pro-13.gif

421 ms

atago.gif

atago.gif

422 ms

fieldpiece.gif

fieldpiece.gif

490 ms

weather.gif

weather.gif

488 ms

temperature.jpg

temperature.jpg

489 ms

laboratory.gif

laboratory.gif

489 ms

sound.gif

sound.gif

489 ms

iaq.jpg

iaq.jpg

488 ms

electrical.jpg

electrical.jpg

544 ms

icon-left3.png

icon-left3.png

543 ms

service_icon.png

service_icon.png

541 ms

s_icon.png

s_icon.png

542 ms

key_icon.png

key_icon.png

540 ms

tools_icon.png

tools_icon.png

561 ms

docs_icon.png

docs_icon.png

560 ms

tech_bg.jpg

tech_bg.jpg

560 ms

tech_icon.png

tech_icon.png

561 ms

Calibration_bg.jpg

Calibration_bg.jpg

561 ms

cali_icon.png

cali_icon.png

561 ms

img-1785243.gif

img-1785243.gif

489 ms

img-1785244.gif

img-1785244.gif

540 ms

img-1785245.gif

img-1785245.gif

540 ms

img-1785246.gif

img-1785246.gif

492 ms

img-1785247.gif

img-1785247.gif

582 ms

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-1.gif

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-1.gif

539 ms

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-2.gif

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-2.gif

541 ms

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-3.gif

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-3.gif

540 ms

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-4.gif

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-4.gif

558 ms

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-5.gif

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-5.gif

561 ms

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-6.gif

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-6.gif

561 ms

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-7.gif

rki-instruments-beacon-110-single-channel-wall-mount-controller-with-battery-changing-horn-stobe-72-2110rk-07-7.gif

559 ms

bw-technologies-monitors-81.gif

bw-technologies-monitors-81.gif

557 ms

confined-space-kits-104.gif

confined-space-kits-104.gif

695 ms

industrial-scientific-16.gif

industrial-scientific-16.gif

562 ms

calibration-gas-128.gif

calibration-gas-128.gif

578 ms

fixed-system-gas-monitors-40.gif

fixed-system-gas-monitors-40.gif

661 ms

agrowtek-37.gif

agrowtek-37.gif

564 ms

bw-technologies-replacement-sensors-41.gif

bw-technologies-replacement-sensors-41.gif

577 ms

jenco-55.gif

jenco-55.gif

577 ms

honeywell-analytics-25.gif

honeywell-analytics-25.gif

673 ms

industrial-scientific-17.gif

industrial-scientific-17.gif

586 ms

bw-technologies-monitors-82.gif

bw-technologies-monitors-82.gif

587 ms

msa-33.gif

msa-33.gif

660 ms

jenco-56.gif

jenco-56.gif

689 ms

rki-instruments-24.gif

rki-instruments-24.gif

660 ms

testo-28.gif

testo-28.gif

673 ms

apera-instruments-22.gif

apera-instruments-22.gif

672 ms

crowcon-gas-monitors-37.gif

crowcon-gas-monitors-37.gif

674 ms

bw-technologies-gasalertquattro-multi-gas-detector-112.gif

bw-technologies-gasalertquattro-multi-gas-detector-112.gif

751 ms

tango-tx2-27.gif

tango-tx2-27.gif

759 ms

bw-technologies-replacement-oxygen-o2-sensor-148.gif

bw-technologies-replacement-oxygen-o2-sensor-148.gif

693 ms

58-liter-4-gas-calibration-kit-co-h2s-o2-lel-45.gif

58-liter-4-gas-calibration-kit-co-h2s-o2-lel-45.gif

748 ms

quad-gas-58.gif

quad-gas-58.gif

748 ms

bw-technologies-calibration-gas-regulator-0-5-lpm-53.gif

bw-technologies-calibration-gas-regulator-0-5-lpm-53.gif

799 ms

jquery.widget.min.js

jquery.widget.min.js

379 ms

analytics.js

analytics.js

369 ms

diffuser.js

diffuser.js

436 ms

footer_logo.png

footer_logo.png

497 ms

f_img_1.png

f_img_1.png

497 ms

v2.zopim.com

v2.zopim.com

485 ms

sli-rac.css

sli-rac.css

58 ms

styles.css

styles.css

58 ms

sli-rac.stub.custom.js

sli-rac.stub.custom.js

57 ms

f_img_3.png

f_img_3.png

482 ms

card.png

card.png

485 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

295 ms

left_arrow.png

left_arrow.png

192 ms

right_arrow_hover.png

right_arrow_hover.png

205 ms

1723583112269___fc_yhst-8480297768913.js

1723583112269___fc_yhst-8480297768913.js

212 ms

collect

collect

113 ms

bw-technologies-bw-ultra-5-gas-detector-o2-lel-h2s-co-cl2-with-pump-yellow-housing-43.gif

bw-technologies-bw-ultra-5-gas-detector-o2-lel-h2s-co-cl2-with-pump-yellow-housing-43.gif

365 ms

industrial-scientific-dsx-standalone-docking-station-for-ventis-3-inlet-ports-north-american-power-cord-18109327-031-28.gif

industrial-scientific-dsx-standalone-docking-station-for-ventis-3-inlet-ports-north-american-power-cord-18109327-031-28.gif

277 ms

destination

destination

72 ms

loader.js

loader.js

70 ms

collect

collect

45 ms

bw-technologies-bw-solo-single-gas-detector-so2-standard-wireless-yellow-32.gif

bw-technologies-bw-solo-single-gas-detector-so2-standard-wireless-yellow-32.gif

219 ms

bw-technologies-gasalertmicroclip-xl-detector-combustible-lel-unfiltered-oxygen-o2-hydrogen-sulfide-h2s-carbon-monoxide-co-yellow-housing-uk-version-united-kingdom-58.gif

bw-technologies-gasalertmicroclip-xl-detector-combustible-lel-unfiltered-oxygen-o2-hydrogen-sulfide-h2s-carbon-monoxide-co-yellow-housing-uk-version-united-kingdom-58.gif

231 ms

bw-technologies-gasalertmax-xt-ii-4-gas-detector-combustible-lel-unfiltered-oxygen-o2-hydrogen-sulfide-h2s-carbon-monoxide-co-yellow-housing-na-version-north-america-48.gif

bw-technologies-gasalertmax-xt-ii-4-gas-detector-combustible-lel-unfiltered-oxygen-o2-hydrogen-sulfide-h2s-carbon-monoxide-co-yellow-housing-na-version-north-america-48.gif

309 ms

bw-technologies-quad-gas-ch4-2-5-o2-18-0-h2s-25ppm-co-100ppm-18.gif

bw-technologies-quad-gas-ch4-2-5-o2-18-0-h2s-25ppm-co-100ppm-18.gif

309 ms

bw-technologies-honeywell-intellidox-docking-station-for-honeywell-bw-ultra-105.gif

bw-technologies-honeywell-intellidox-docking-station-for-honeywell-bw-ultra-105.gif

309 ms

bw-technologies-gasalertmicroclip-x3-detector-158.gif

bw-technologies-gasalertmicroclip-x3-detector-158.gif

227 ms

asset_composer.js

asset_composer.js

139 ms

prism.app-us1.com

prism.app-us1.com

202 ms

pdPublicStyle.css

pdPublicStyle.css

235 ms

pdCompiledScript.js

pdCompiledScript.js

281 ms

call-tracking_9.js

call-tracking_9.js

84 ms

96 ms

99 ms

combo

combo

40 ms

combo

combo

53 ms

promo_manager_bui_be64d16.js

promo_manager_bui_be64d16.js

30 ms

101 ms

combo

combo

11 ms

102 ms

wcm

wcm

91 ms

combo

combo

95 ms

Accessibility Review

jjstech.com accessibility score

73

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jjstech.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jjstech.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jjstech.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 Jjstech.com main page’s claimed encoding is . 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.

Social Sharing Optimization

jjstech.com

Open Graph description is not detected on the main page of Jjstech. 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: