Tools & Wizards About Us
ocean-alf.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

ocean-alf.com

کاربرد فن اوشن

Page Load Speed

6.2 sec in total

First Response

1.6 sec

Resources Loaded

4.2 sec

Page Rendered

417 ms

ocean-alf.com screenshot

About Website

Welcome to ocean-alf.com homepage info - get ready to check Ocean Alf best content right away, or after learning these important things about ocean-alf.com

تجهیزات آزمایشگاه های صنعتی و تحقیقاتی

Visit ocean-alf.com

Key Findings

We analyzed Ocean-alf.com page load time and found that the first response time was 1.6 sec and then it took 4.7 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

ocean-alf.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.257

48/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

ocean-alf.com

1583 ms

language-selector.css

107 ms

header-2723407904.css

681 ms

header-2723407904.js

302 ms

footer-2723407904.js

449 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 33% of them (29 requests) were addressed to the original Ocean-alf.com, 31% (28 requests) were made to Maps.googleapis.com and 17% (15 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Ocean-alf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (48%)

Content Size

2.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ocean-alf.com main page is 2.6 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. 70% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 78.7 kB

  • Original 91.7 kB
  • After minification 77.1 kB
  • After compression 13.0 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 14.6 kB, which is 16% 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 78.7 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 20.0 kB

  • Original 747.5 kB
  • After minification 727.4 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. Ocean Alf images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 710.9 kB

  • Original 1.0 MB
  • After minification 980.8 kB
  • After compression 304.4 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 710.9 kB or 70% of the original size.

CSS Optimization

-58%

Potential reduce by 463.6 kB

  • Original 793.0 kB
  • After minification 789.4 kB
  • After compression 329.3 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. Ocean-alf.com needs all CSS files to be minified and compressed as it can save up to 463.6 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (44%)

Requests Now

73

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ocean Alf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ocean-alf.com

ocean-alf.com

1583 ms

language-selector.css

language-selector.css

107 ms

header-2723407904.css

header-2723407904.css

681 ms

header-2723407904.js

header-2723407904.js

302 ms

footer-2723407904.js

footer-2723407904.js

449 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

121 ms

css

css

59 ms

logo-6.png

logo-6.png

471 ms

retsch-banner.png

retsch-banner.png

688 ms

eltra-banner1.png

eltra-banner1.png

737 ms

carbolite-banner.png

carbolite-banner.png

740 ms

retsch-technology-banner.png

retsch-technology-banner.png

742 ms

eltra-the-sample.jpg

eltra-the-sample.jpg

615 ms

en.png

en.png

451 ms

fa.png

fa.png

457 ms

companies-placeholder.png

companies-placeholder.png

451 ms

retsch-cover-1.png

retsch-cover-1.png

451 ms

eltra-cover-1.png

eltra-cover-1.png

456 ms

carbolite-gero-cover-1.png

carbolite-gero-cover-1.png

625 ms

retsch-technology-cover-11.png

retsch-technology-cover-11.png

572 ms

atm-cover-1.png

atm-cover-1.png

590 ms

atm-banner.png

atm-banner.png

700 ms

oldest-retsch-1-1160x665.jpg

oldest-retsch-1-1160x665.jpg

765 ms

retsch_general-catalogue-2015.jpg

retsch_general-catalogue-2015.jpg

582 ms

retsch-technology-the-sample-42.jpg

retsch-technology-the-sample-42.jpg

641 ms

carbolite-gero-the-sample.jpg

carbolite-gero-the-sample.jpg

696 ms

verder-scientific-competition-2016-1.jpg

verder-scientific-competition-2016-1.jpg

899 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

76 ms

Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf

Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf

388 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

78 ms

5M21SdFLkD52QavfmHs6cA.ttf

5M21SdFLkD52QavfmHs6cA.ttf

403 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

78 ms

oOeFwZNlrTefzLYmlVV1UKCWcynf_cDxXwCLxiixG1c.ttf

oOeFwZNlrTefzLYmlVV1UKCWcynf_cDxXwCLxiixG1c.ttf

403 ms

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

77 ms

97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf

97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf

404 ms

Zd2E9abXLFGSr9G3YK2MsDR-eWpsHSw83BRsAQElGgc.ttf

Zd2E9abXLFGSr9G3YK2MsDR-eWpsHSw83BRsAQElGgc.ttf

76 ms

Zd2E9abXLFGSr9G3YK2MsB43XjeME5heavxWqLE69Ro.ttf

Zd2E9abXLFGSr9G3YK2MsB43XjeME5heavxWqLE69Ro.ttf

403 ms

b9QBgL0iMZfDSpmcXcE8nDokq8qT6AIiNJ07Vf_NrVA.ttf

b9QBgL0iMZfDSpmcXcE8nDokq8qT6AIiNJ07Vf_NrVA.ttf

75 ms

b9QBgL0iMZfDSpmcXcE8nG9QJ2ZrAngtF2xl-5ukicw.ttf

b9QBgL0iMZfDSpmcXcE8nG9QJ2ZrAngtF2xl-5ukicw.ttf

397 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

825 ms

zhcz-_WihjSQC0oHJ9TCYC3USBnSvpkopQaUR-2r7iU.ttf

zhcz-_WihjSQC0oHJ9TCYC3USBnSvpkopQaUR-2r7iU.ttf

70 ms

dazS1PrQQuCxC3iOAJFEJbfB31yxOzP-czbf6AAKCVo.ttf

dazS1PrQQuCxC3iOAJFEJbfB31yxOzP-czbf6AAKCVo.ttf

324 ms

dazS1PrQQuCxC3iOAJFEJfqEJM-AK1nFUafhVdytxUY.ttf

dazS1PrQQuCxC3iOAJFEJfqEJM-AK1nFUafhVdytxUY.ttf

326 ms

themify.builder.script.js

themify.builder.script.js

319 ms

themify.woff

themify.woff

453 ms

js

js

27 ms

wow.js

wow.js

110 ms

common.js

common.js

7 ms

util.js

util.js

20 ms

geocoder.js

geocoder.js

20 ms

map.js

map.js

17 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

50 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

170 ms

GeocodeService.Search

GeocodeService.Search

98 ms

onion.js

onion.js

24 ms

openhand_8_8.cur

openhand_8_8.cur

66 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

56 ms

stats.js

stats.js

52 ms

controls.js

controls.js

47 ms

transparent.png

transparent.png

31 ms

css

css

54 ms

animate.min.css

animate.min.css

77 ms

google4.png

google4.png

46 ms

marker.js

marker.js

37 ms

mapcnt6.png

mapcnt6.png

34 ms

sv5.png

sv5.png

34 ms

vt

vt

21 ms

vt

vt

20 ms

vt

vt

21 ms

vt

vt

22 ms

vt

vt

18 ms

tmapctrl.png

tmapctrl.png

17 ms

cb_scout5.png

cb_scout5.png

42 ms

tmapctrl4.png

tmapctrl4.png

40 ms

imgs8.png

imgs8.png

41 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

224 ms

vt

vt

113 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

64 ms

font-awesome.min.css

font-awesome.min.css

84 ms

spotlight-poi.png

spotlight-poi.png

11 ms

vt

vt

73 ms

vt

vt

110 ms

vt

vt

7 ms

vt

vt

89 ms

vt

vt

11 ms

vt

vt

112 ms

vt

vt

39 ms

carousel.js

carousel.js

177 ms

themify.gallery.js

themify.gallery.js

93 ms

Accessibility Review

ocean-alf.com accessibility score

77

Accessibility Issues

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.

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

Image elements do not have [alt] attributes

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

ocean-alf.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ocean-alf.com SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

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 Ocean-alf.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 Ocean-alf.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

ocean-alf.com

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