Tools & Wizards About Us
jvante.com screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

jvante.com

Shandong Jvante Fire Protection Technology Co., Ltd. - Fire blanket, Fire Extinguisher Ball

Page Load Speed

955 ms in total

First Response

68 ms

Resources Loaded

574 ms

Page Rendered

313 ms

jvante.com screenshot

About Website

Visit jvante.com now to see the best up-to-date Jvante content and also check out these interesting facts you probably never knew about jvante.com

Shandong Jvante Fire Protection Technology Co., Ltd., Experts in Manufacturing and Exporting Fire blanket, Fire Extinguisher Ball and 0 more Products.

Visit jvante.com

Key Findings

We analyzed Jvante.com page load time and found that the first response time was 68 ms and then it took 887 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

jvante.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

jvante.com

68 ms

www.jvante.com

188 ms

guidefirstcommon.css

34 ms

guidefirstcommon.js

67 ms

common.css

127 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Jvante.com and no external sources were called. The less responsive or slowest element that took the longest time to load (188 ms) belongs to the original domain Jvante.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 139.5 kB (18%)

Content Size

776.6 kB

After Optimization

637.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jvante.com main page is 776.6 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. 40% of websites need less resources to load. Images take 552.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 97.4 kB

  • Original 117.5 kB
  • After minification 100.9 kB
  • After compression 20.1 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 16.7 kB, which is 14% 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 97.4 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 28.0 kB

  • Original 552.0 kB
  • After minification 524.0 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. Jvante images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 8.0 kB

  • Original 75.2 kB
  • After minification 75.2 kB
  • After compression 67.2 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 8.0 kB or 11% of the original size.

CSS Optimization

-19%

Potential reduce by 6.1 kB

  • Original 31.9 kB
  • After minification 31.9 kB
  • After compression 25.8 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. Jvante.com needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (18%)

Requests Now

28

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jvante. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jvante.com

jvante.com

68 ms

www.jvante.com

www.jvante.com

188 ms

guidefirstcommon.css

guidefirstcommon.css

34 ms

guidefirstcommon.js

guidefirstcommon.js

67 ms

common.css

common.css

127 ms

jquery.js

jquery.js

163 ms

common_99701.js

common_99701.js

97 ms

guidecommon.js

guidecommon.js

96 ms

webim.js

webim.js

99 ms

logo.gif

logo.gif

163 ms

floatimage_all.gif

floatimage_all.gif

160 ms

close.png

close.png

70 ms

error.png

error.png

69 ms

css-sprite.png

css-sprite.png

73 ms

cl165637261-fire_extinguisher_blanket.jpg

cl165637261-fire_extinguisher_blanket.jpg

121 ms

cl170352500-car_fire_extinguisher.jpg

cl170352500-car_fire_extinguisher.jpg

71 ms

load_icon.gif

load_icon.gif

72 ms

cd168383671-shandong_jvante_fire_protection_technology_co_ltd.jpg

cd168383671-shandong_jvante_fire_protection_technology_co_ltd.jpg

73 ms

cd168383695-shandong_jvante_fire_protection_technology_co_ltd.jpg

cd168383695-shandong_jvante_fire_protection_technology_co_ltd.jpg

79 ms

cd169994076-shandong_jvante_fire_protection_technology_co_ltd.jpg

cd169994076-shandong_jvante_fire_protection_technology_co_ltd.jpg

91 ms

stats.js

stats.js

74 ms

getseller.html

getseller.html

33 ms

pt170260101-fire_rescue_fire_extinguisher_blanket_100_glass_fiber_fire_retardant_blanket.jpg

pt170260101-fire_rescue_fire_extinguisher_blanket_100_glass_fiber_fire_retardant_blanket.jpg

36 ms

pt170272987-6_8automobile_fire_blanket_large_fire_retardant_thickening_material.jpg

pt170272987-6_8automobile_fire_blanket_large_fire_retardant_thickening_material.jpg

49 ms

pt169609560-jvante_ceramic_fiber_fire_blanket_1m_2m_2m_2m_high_temperature_ceramic_fiber_fire_blanket.jpg

pt169609560-jvante_ceramic_fiber_fire_blanket_1m_2m_2m_2m_high_temperature_ceramic_fiber_fire_blanket.jpg

57 ms

pt170223005-high_temperature_resistance_car_fire_blanket_fire_shelter_blanket_1_2m_1_2m_1_8m_1_8m.jpg

pt170223005-high_temperature_resistance_car_fire_blanket_fire_shelter_blanket_1_2m_1_2m_1_8m_1_8m.jpg

62 ms

pt169854685-lz_1922_independent_optical_smoke_detector_1922model_number_thinking_zhian_chinese_mainland.jpg

pt169854685-lz_1922_independent_optical_smoke_detector_1922model_number_thinking_zhian_chinese_mainland.jpg

64 ms

pt169790936-jt_lz_3952_gas_alarm_execute_standard_gb_15322_2_2019_detection_gas_methane_natural_gas.jpg

pt169790936-jt_lz_3952_gas_alarm_execute_standard_gb_15322_2_2019_detection_gas_methane_natural_gas.jpg

70 ms

pt170226898-lz_2902_carbon_monoxide_alarm_power_supply_dc_3v_non_replaceable_battery_sensor_type_figaro_carbon_monoxide_sensor.jpg

pt170226898-lz_2902_carbon_monoxide_alarm_power_supply_dc_3v_non_replaceable_battery_sensor_type_figaro_carbon_monoxide_sensor.jpg

83 ms

pt161135118-dry_powder_fire_ball_1_2kg_spherical_fire_extinguisher_150mm.jpg

pt161135118-dry_powder_fire_ball_1_2kg_spherical_fire_extinguisher_150mm.jpg

86 ms

Accessibility Review

jvante.com accessibility score

90

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

Links do not have a discernible name

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

jvante.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

jvante.com SEO score

91

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jvante.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 Jvante.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.

Social Sharing Optimization

jvante.com

Open Graph data is detected on the main page of Jvante. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: