Tools & Wizards About Us
spectrovn.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

spectrovn.com

Chuyên cung cấp giải pháp phân tích quang phổ OES, XRD, XRF tốt nhất.

Page Load Speed

4.9 sec in total

First Response

43 ms

Resources Loaded

3.9 sec

Page Rendered

971 ms

spectrovn.com screenshot

About Website

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

Chúng tôi chuyên cung cấp giải pháp phân tích quang phổ [OES, XRD, XRF]​ - Chất lượng số (1) thế giới... có tính chính xác và ổn định cao.

Visit spectrovn.com

Key Findings

We analyzed Spectrovn.com page load time and found that the first response time was 43 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

spectrovn.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value4,730 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

spectrovn.com

43 ms

spectrovn.com

1286 ms

wp-emoji-release.min.js

565 ms

style.min.css

28 ms

ansar-import-public.css

26 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 60% of them (49 requests) were addressed to the original Spectrovn.com, 35% (29 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Spectrovn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.4 kB (14%)

Content Size

806.2 kB

After Optimization

695.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spectrovn.com main page is 806.2 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. 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 410.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 89.2 kB

  • Original 105.9 kB
  • After minification 100.2 kB
  • After compression 16.7 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 89.2 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 4.6 kB

  • Original 410.4 kB
  • After minification 405.8 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. Spectrovn images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 10.9 kB

  • Original 162.5 kB
  • After minification 162.1 kB
  • After compression 151.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 5.8 kB

  • Original 127.4 kB
  • After minification 127.2 kB
  • After compression 121.6 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. Spectrovn.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 40 (85%)

Requests Now

47

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spectrovn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

spectrovn.com

spectrovn.com

43 ms

spectrovn.com

spectrovn.com

1286 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

565 ms

style.min.css

style.min.css

28 ms

ansar-import-public.css

ansar-import-public.css

26 ms

css

css

39 ms

bootstrap.css

bootstrap.css

30 ms

style.css

style.css

35 ms

default.css

default.css

39 ms

jquery.smartmenus.bootstrap.css

jquery.smartmenus.bootstrap.css

39 ms

all.css

all.css

44 ms

elementor-icons.min.css

elementor-icons.min.css

41 ms

frontend-legacy.min.css

frontend-legacy.min.css

47 ms

frontend.min.css

frontend.min.css

54 ms

post-6569.css

post-6569.css

51 ms

all.min.css

all.min.css

60 ms

v4-shims.min.css

v4-shims.min.css

59 ms

post-7061.css

post-7061.css

65 ms

modern.css

modern.css

67 ms

css

css

48 ms

fontawesome.min.css

fontawesome.min.css

72 ms

solid.min.css

solid.min.css

75 ms

brands.min.css

brands.min.css

75 ms

jquery.min.js

jquery.min.js

613 ms

jquery-migrate.min.js

jquery-migrate.min.js

623 ms

ansar-import-public.js

ansar-import-public.js

625 ms

navigation.js

navigation.js

630 ms

bootstrap.js

bootstrap.js

780 ms

jquery.smartmenus.js

jquery.smartmenus.js

1139 ms

bootstrap-smartmenus.js

bootstrap-smartmenus.js

1146 ms

main.js

main.js

1160 ms

v4-shims.min.js

v4-shims.min.js

1146 ms

animations.min.css

animations.min.css

393 ms

email-decode.min.js

email-decode.min.js

396 ms

jquery-numerator.min.js

jquery-numerator.min.js

1069 ms

webpack.runtime.min.js

webpack.runtime.min.js

1079 ms

frontend-modules.min.js

frontend-modules.min.js

1441 ms

waypoints.min.js

waypoints.min.js

1469 ms

core.min.js

core.min.js

1426 ms

swiper.min.js

swiper.min.js

1459 ms

share-link.min.js

share-link.min.js

1478 ms

dialog.min.js

dialog.min.js

1606 ms

frontend.min.js

frontend.min.js

1981 ms

preloaded-modules.min.js

preloaded-modules.min.js

1963 ms

slider.jpg

slider.jpg

625 ms

conbackgrund.jpg

conbackgrund.jpg

1037 ms

logo-Copy-1.png

logo-Copy-1.png

545 ms

about-1024x682.jpg

about-1024x682.jpg

546 ms

test1.jpg

test1.jpg

550 ms

ss.jpg

ss.jpg

564 ms

fa-solid-900.woff

fa-solid-900.woff

956 ms

fa-regular-400.woff

fa-regular-400.woff

1223 ms

fa-brands-400.woff

fa-brands-400.woff

1464 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4vaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4vaVc.ttf

35 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4vaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4vaVc.ttf

25 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4vaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4vaVc.ttf

36 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4vaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4vaVc.ttf

35 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4vaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4vaVc.ttf

36 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4vaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4vaVc.ttf

36 ms

va9E4kDNxMZdWfMOD5VvmIjO.ttf

va9E4kDNxMZdWfMOD5VvmIjO.ttf

168 ms

va9E4kDNxMZdWfMOD5VvmYjO.ttf

va9E4kDNxMZdWfMOD5VvmYjO.ttf

61 ms

va9B4kDNxMZdWfMOD5VnZKveSRf_.ttf

va9B4kDNxMZdWfMOD5VnZKveSRf_.ttf

200 ms

va9B4kDNxMZdWfMOD5VnZKveSBf_.ttf

va9B4kDNxMZdWfMOD5VnZKveSBf_.ttf

61 ms

va9B4kDNxMZdWfMOD5VnPKreSRf_.ttf

va9B4kDNxMZdWfMOD5VnPKreSRf_.ttf

83 ms

va9B4kDNxMZdWfMOD5VnWKneSRf_.ttf

va9B4kDNxMZdWfMOD5VnWKneSRf_.ttf

83 ms

va9C4kDNxMZdWfMOD5Vn9LjGYTc.ttf

va9C4kDNxMZdWfMOD5Vn9LjGYTc.ttf

228 ms

va9B4kDNxMZdWfMOD5VnSKzeSRf_.ttf

va9B4kDNxMZdWfMOD5VnSKzeSRf_.ttf

109 ms

va9B4kDNxMZdWfMOD5VnSKzeSBf_.ttf

va9B4kDNxMZdWfMOD5VnSKzeSBf_.ttf

84 ms

va9B4kDNxMZdWfMOD5VnLK3eSRf_.ttf

va9B4kDNxMZdWfMOD5VnLK3eSRf_.ttf

131 ms

va9B4kDNxMZdWfMOD5VnLK3eSBf_.ttf

va9B4kDNxMZdWfMOD5VnLK3eSBf_.ttf

85 ms

va9B4kDNxMZdWfMOD5VnMK7eSRf_.ttf

va9B4kDNxMZdWfMOD5VnMK7eSRf_.ttf

140 ms

va9B4kDNxMZdWfMOD5VnMK7eSBf_.ttf

va9B4kDNxMZdWfMOD5VnMK7eSBf_.ttf

109 ms

va9B4kDNxMZdWfMOD5VnFK_eSRf_.ttf

va9B4kDNxMZdWfMOD5VnFK_eSRf_.ttf

139 ms

va9f4kDNxMZdWfMOD5VvkrBuRyf3VFw.ttf

va9f4kDNxMZdWfMOD5VvkrBuRyf3VFw.ttf

308 ms

va9f4kDNxMZdWfMOD5VvkrBKRif3VFw.ttf

va9f4kDNxMZdWfMOD5VvkrBKRif3VFw.ttf

175 ms

va9f4kDNxMZdWfMOD5VvkrByRCf3VFw.ttf

va9f4kDNxMZdWfMOD5VvkrByRCf3VFw.ttf

175 ms

va9f4kDNxMZdWfMOD5VvkrAWRSf3VFw.ttf

va9f4kDNxMZdWfMOD5VvkrAWRSf3VFw.ttf

317 ms

va9f4kDNxMZdWfMOD5VvkrA6Qif3VFw.ttf

va9f4kDNxMZdWfMOD5VvkrA6Qif3VFw.ttf

206 ms

va9C4kDNxMZdWfMOD5VvkrjGYTc.ttf

va9C4kDNxMZdWfMOD5VvkrjGYTc.ttf

226 ms

va9f4kDNxMZdWfMOD5VvkrBiQyf3VFw.ttf

va9f4kDNxMZdWfMOD5VvkrBiQyf3VFw.ttf

265 ms

va9f4kDNxMZdWfMOD5VvkrAGQCf3VFw.ttf

va9f4kDNxMZdWfMOD5VvkrAGQCf3VFw.ttf

376 ms

va9A4kDNxMZdWfMOD5VvkrCqUT_fdA.ttf

va9A4kDNxMZdWfMOD5VvkrCqUT_fdA.ttf

342 ms

Accessibility Review

spectrovn.com accessibility score

87

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

Best Practices

spectrovn.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

spectrovn.com SEO score

92

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

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spectrovn.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Spectrovn.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

spectrovn.com

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