Tools & Wizards About Us
russelllab.org screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

russelllab.org

Protein Evolution (Rob Russell)

Page Load Speed

4 sec in total

First Response

459 ms

Resources Loaded

3.4 sec

Page Rendered

134 ms

russelllab.org screenshot

About Website

Welcome to russelllab.org homepage info - get ready to check Russell Lab best content for United States right away, or after learning these important things about russelllab.org

Protein Evolution Heidelberg, Prof. Rob Russell

Visit russelllab.org

Key Findings

We analyzed Russelllab.org page load time and found that the first response time was 459 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

russelllab.org performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

russelllab.org

459 ms

default.css

210 ms

jquery-1.4.2.min.js

421 ms

jquery.slidertron-0.1.js

211 ms

gallery.css

211 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 82% of them (108 requests) were addressed to the original Russelllab.org, 14% (18 requests) were made to Platform.twitter.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Russelllab.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.0 MB (18%)

Content Size

34.1 MB

After Optimization

28.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Russelllab.org main page is 34.1 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. Only a small number of websites need less resources to load. Images take 33.9 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 50.4 kB

  • Original 56.7 kB
  • After minification 33.9 kB
  • After compression 6.2 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 22.8 kB, which is 40% 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 50.4 kB or 89% of the original size.

Image Optimization

-17%

Potential reduce by 5.9 MB

  • Original 33.9 MB
  • After minification 28.0 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, Russell Lab needs image optimization as it can save up to 5.9 MB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 58.1 kB

  • Original 101.2 kB
  • After minification 94.9 kB
  • After compression 43.2 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 58.1 kB or 57% of the original size.

CSS Optimization

-82%

Potential reduce by 11.2 kB

  • Original 13.8 kB
  • After minification 10.8 kB
  • After compression 2.5 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. Russelllab.org needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (15%)

Requests Now

130

After Optimization

111

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 130 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Russell Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

russelllab.org

russelllab.org

459 ms

default.css

default.css

210 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

421 ms

jquery.slidertron-0.1.js

jquery.slidertron-0.1.js

211 ms

gallery.css

gallery.css

211 ms

widgets.js

widgets.js

17 ms

ga.js

ga.js

49 ms

img01.jpg

img01.jpg

110 ms

cellnetworks.gif

cellnetworks.gif

112 ms

bioquant.png

bioquant.png

111 ms

bzh_logo_neuen.jpg

bzh_logo_neuen.jpg

210 ms

img05.jpg

img05.jpg

110 ms

img04.jpg

img04.jpg

204 ms

img06.jpg

img06.jpg

205 ms

WeSA_2.png

WeSA_2.png

612 ms

WeSA_1.png

WeSA_1.png

723 ms

STXBP1_2.png

STXBP1_2.png

628 ms

STXBP1_1.png

STXBP1_1.png

1010 ms

ALK_2.png

ALK_2.png

708 ms

ALK_1.png

ALK_1.png

312 ms

FL_2023.jpg

FL_2023.jpg

830 ms

F1000_1.jpg

F1000_1.jpg

715 ms

SignalP_QC_TM_1.jpg

SignalP_QC_TM_1.jpg

732 ms

het_not_hom_2.png

het_not_hom_2.png

1012 ms

het_not_hom_1.png

het_not_hom_1.png

819 ms

DHHC-PAT_2.png

DHHC-PAT_2.png

1180 ms

DHHC-PAT_1.png

DHHC-PAT_1.png

1046 ms

precogx_1.jpeg

precogx_1.jpeg

921 ms

KDM4C_1.png

KDM4C_1.png

936 ms

jmb_alphafold2_3.jpg

jmb_alphafold2_3.jpg

1025 ms

jmb_alphafold2_1.jpg

jmb_alphafold2_1.jpg

1041 ms

mechnetor-01.svg

mechnetor-01.svg

1110 ms

mechnetor-02.svg

mechnetor-02.svg

1157 ms

Munc18_VAMP2_SNARE_1.png

Munc18_VAMP2_SNARE_1.png

1231 ms

RhoGAP19D.png

RhoGAP19D.png

1250 ms

NBAS_phenotypes.PNG

NBAS_phenotypes.PNG

1182 ms

MYC_N_0.PNG

MYC_N_0.PNG

1213 ms

MYC_N_1.PNG

MYC_N_1.PNG

1216 ms

Oncofamily_5.PNG

Oncofamily_5.PNG

1243 ms

Oncofamily_4.PNG

Oncofamily_4.PNG

1258 ms

Oncofamily_3.PNG

Oncofamily_3.PNG

1415 ms

Oncofamily_2.PNG

Oncofamily_2.PNG

1320 ms

Oncofamily_1.PNG

Oncofamily_1.PNG

1303 ms

__utm.gif

__utm.gif

17 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

21 ms

GPCR_review_1.PNG

GPCR_review_1.PNG

1246 ms

GPCR_0.jpg

GPCR_0.jpg

1252 ms

GPCR_8.PNG

GPCR_8.PNG

1256 ms

GPCR_7.PNG

GPCR_7.PNG

1315 ms

settings

settings

70 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

3 ms

GPCR_6.PNG

GPCR_6.PNG

1240 ms

GPCR_5.PNG

GPCR_5.PNG

1256 ms

GPCR_4.PNG

GPCR_4.PNG

1256 ms

MechismoNews

MechismoNews

137 ms

logo_neu_204x107.jpg

logo_neu_204x107.jpg

453 ms

GPCR_3.PNG

GPCR_3.PNG

1159 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

4 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

20 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

24 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

32 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

22 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

22 ms

_buildManifest.js

_buildManifest.js

22 ms

_ssgManifest.js

_ssgManifest.js

57 ms

8526.0c32a8f0cfc5749221a3.js

8526.0c32a8f0cfc5749221a3.js

10 ms

1755.07a49c40b12af4f75780.js

1755.07a49c40b12af4f75780.js

11 ms

8283.f3e5048cca7cef5eed7f.js

8283.f3e5048cca7cef5eed7f.js

3 ms

3077.44bfeb00af01bc4020f6.js

3077.44bfeb00af01bc4020f6.js

9 ms

1362.42d432e02f7980bca032.js

1362.42d432e02f7980bca032.js

8 ms

4956.c4e51ef593974b9db0bb.js

4956.c4e51ef593974b9db0bb.js

21 ms

5893.d500bd2a89ded806aa73.js

5893.d500bd2a89ded806aa73.js

20 ms

GPCR_2.PNG

GPCR_2.PNG

910 ms

GPCR_1.PNG

GPCR_1.PNG

899 ms

PRECOG_1.PNG

PRECOG_1.PNG

840 ms

PRECOG_2.PNG

PRECOG_2.PNG

852 ms

PRECOG_3.PNG

PRECOG_3.PNG

849 ms

ciliacarta_1.PNG

ciliacarta_1.PNG

850 ms

PARP1_chordoma.PNG

PARP1_chordoma.PNG

908 ms

EZHIP_cover.png

EZHIP_cover.png

798 ms

CXorf67_2.PNG

CXorf67_2.PNG

733 ms

CXorf67_1.PNG

CXorf67_1.PNG

743 ms

BL_2019_2.PNG

BL_2019_2.PNG

671 ms

BL_2019_1.PNG

BL_2019_1.PNG

675 ms

NFRKB_Blood.PNG

NFRKB_Blood.PNG

707 ms

LRRK2_Mov_Dis.PNG

LRRK2_Mov_Dis.PNG

822 ms

EB_2018_1.png

EB_2018_1.png

737 ms

FEBS_2018_1.PNG

FEBS_2018_1.PNG

628 ms

FEBS_2018_2.PNG

FEBS_2018_2.PNG

614 ms

FEBS_2018_3.PNG

FEBS_2018_3.PNG

649 ms

FIC1.png

FIC1.png

652 ms

FIC2.png

FIC2.png

681 ms

FIC3.png

FIC3.png

672 ms

DRY_1.png

DRY_1.png

668 ms

DRY_2.png

DRY_2.png

689 ms

psites3.png

psites3.png

797 ms

psites2.png

psites2.png

709 ms

psites4.jpg

psites4.jpg

675 ms

mech_cancer3.png

mech_cancer3.png

663 ms

mech_cancer4.png

mech_cancer4.png

652 ms

mech_cancer2.png

mech_cancer2.png

676 ms

mech_cancer1.png

mech_cancer1.png

707 ms

ffv_gag_1.png

ffv_gag_1.png

688 ms

Syscilia1.png

Syscilia1.png

685 ms

Syscilia2.png

Syscilia2.png

670 ms

Syscilia3.png

Syscilia3.png

680 ms

Syscilia4.png

Syscilia4.png

687 ms

mechismo_vs_modelling.png

mechismo_vs_modelling.png

704 ms

mechismo_rhoa.png

mechismo_rhoa.png

689 ms

mechismo_pancreatic.png

mechismo_pancreatic.png

699 ms

siRNA_PPI_big.PNG

siRNA_PPI_big.PNG

689 ms

RhoA_big.PNG

RhoA_big.PNG

679 ms

JAK3_big.PNG

JAK3_big.PNG

688 ms

Ago_big.PNG

Ago_big.PNG

706 ms

TCF4_ID3.gif

TCF4_ID3.gif

1107 ms

Medulloblastoma_front.PNG

Medulloblastoma_front.PNG

675 ms

Gag_correlated_front.PNG

Gag_correlated_front.PNG

661 ms

Negatives_front.PNG

Negatives_front.PNG

667 ms

mycomod1.png

mycomod1.png

673 ms

slideshow5.jpg

slideshow5.jpg

666 ms

wikipedia1.png

wikipedia1.png

704 ms

slideshow2.jpg

slideshow2.jpg

662 ms

pepsite2.png

pepsite2.png

666 ms

slideshow3.png

slideshow3.png

667 ms

slideshow4.png

slideshow4.png

662 ms

slideshow1.png

slideshow1.png

709 ms

img08.jpg

img08.jpg

685 ms

img07.jpg

img07.jpg

661 ms

img09.jpg

img09.jpg

665 ms

img10.jpg

img10.jpg

698 ms

img11.jpg

img11.jpg

719 ms

Accessibility Review

russelllab.org accessibility score

80

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.

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>).

Best Practices

russelllab.org best practices score

58

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

russelllab.org SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

russelllab.org

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