Tools & Wizards About Us
isfev.org screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

isfev.org

ISFEV.org | International Society for Food and Environmental Virology

Page Load Speed

4 sec in total

First Response

929 ms

Resources Loaded

2.7 sec

Page Rendered

345 ms

isfev.org screenshot

About Website

Visit isfev.org now to see the best up-to-date ISFEV content for Russia and also check out these interesting facts you probably never knew about isfev.org

This newly created society aims to encourage research and knowledge exchange to improve the understanding of, and prevent diseases associated with, viruses transmitted via the environment and food.

Visit isfev.org

Key Findings

We analyzed Isfev.org page load time and found that the first response time was 929 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

isfev.org performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

isfev.org

929 ms

api.js

39 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

135 ms

css_xLemUxajoY96lzebPeBXBHRK70aQSIWarSX3963Fzbg.css

240 ms

css_NCOSdpoQnWWQHVcfG2o2skDLf8YSjSAlOAadPoELzbo.css

305 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 62% of them (29 requests) were addressed to the original Isfev.org, 9% (4 requests) were made to Fonts.gstatic.com and 6% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (929 ms) belongs to the original domain Isfev.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.8 kB (11%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isfev.org main page is 1.6 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. 30% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 13.2 kB

  • Original 18.7 kB
  • After minification 17.8 kB
  • After compression 5.5 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 13.2 kB or 71% of the original size.

Image Optimization

-12%

Potential reduce by 143.3 kB

  • Original 1.2 MB
  • After minification 1.1 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. Obviously, ISFEV needs image optimization as it can save up to 143.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 11.1 kB

  • Original 331.2 kB
  • After minification 331.2 kB
  • After compression 320.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 189 B

  • Original 10.8 kB
  • After minification 10.8 kB
  • After compression 10.6 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. Isfev.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (55%)

Requests Now

42

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISFEV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isfev.org

isfev.org

929 ms

api.js

api.js

39 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

135 ms

css_xLemUxajoY96lzebPeBXBHRK70aQSIWarSX3963Fzbg.css

css_xLemUxajoY96lzebPeBXBHRK70aQSIWarSX3963Fzbg.css

240 ms

css_NCOSdpoQnWWQHVcfG2o2skDLf8YSjSAlOAadPoELzbo.css

css_NCOSdpoQnWWQHVcfG2o2skDLf8YSjSAlOAadPoELzbo.css

305 ms

css_SWTAdRBNUeSamJVg8UWVvf_D6ApOkQqvMCRWpHSSB_k.css

css_SWTAdRBNUeSamJVg8UWVvf_D6ApOkQqvMCRWpHSSB_k.css

314 ms

js_yMSKTzBO0KmozyLwajzFOrrt_kto_9mtccAkb0rm7gc.js

js_yMSKTzBO0KmozyLwajzFOrrt_kto_9mtccAkb0rm7gc.js

405 ms

js_lQVfxdYMjeTXmI1WO_i5wjqccNctJO-nHqYY0BTysuM.js

js_lQVfxdYMjeTXmI1WO_i5wjqccNctJO-nHqYY0BTysuM.js

307 ms

recaptcha__en.js

recaptcha__en.js

32 ms

css

css

30 ms

like.php

like.php

173 ms

fundo.jpg

fundo.jpg

609 ms

fundo-wrap.png

fundo-wrap.png

145 ms

fundo-wrap3.png

fundo-wrap3.png

143 ms

logo.png

logo.png

143 ms

fundo-preto.png

fundo-preto.png

146 ms

menu-leaf.png

menu-leaf.png

155 ms

menu-expanded.png

menu-expanded.png

241 ms

arrows-down-activo.png

arrows-down-activo.png

240 ms

facebook.png

facebook.png

245 ms

twitter.png

twitter.png

243 ms

gplus.png

gplus.png

265 ms

linkedin.png

linkedin.png

357 ms

slide-image-1.jpg

slide-image-1.jpg

651 ms

slide-image-2.jpg

slide-image-2.jpg

585 ms

slide-image-3.jpg

slide-image-3.jpg

843 ms

slide-image-4.jpg

slide-image-4.jpg

555 ms

30w087b.png

30w087b.png

472 ms

slide-nav-button.png

slide-nav-button.png

590 ms

register_home.png

register_home.png

771 ms

journal_home.png

journal_home.png

806 ms

cyscorp-icon.png

cyscorp-icon.png

710 ms

ga.js

ga.js

62 ms

fallback

fallback

26 ms

slide-nav-button-hover.png

slide-nav-button-hover.png

651 ms

SlGVmQWMvZQIdix7AFxXkHNSaw.woff

SlGVmQWMvZQIdix7AFxXkHNSaw.woff

48 ms

SlGWmQWMvZQIdix7AFxXmMh3eDs1YQ.woff

SlGWmQWMvZQIdix7AFxXmMh3eDs1YQ.woff

49 ms

fallback__ltr.css

fallback__ltr.css

6 ms

css

css

21 ms

__utm.gif

__utm.gif

29 ms

embed

embed

262 ms

logo_48.png

logo_48.png

23 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

5 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

10 ms

u4vyKeysTqJ.js

u4vyKeysTqJ.js

22 ms

FEppCFCt76d.png

FEppCFCt76d.png

13 ms

js

js

55 ms

Accessibility Review

isfev.org accessibility score

67

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

High

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

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

isfev.org best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

isfev.org SEO score

64

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

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

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 Isfev.org 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 Isfev.org 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

isfev.org

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