2.7 sec in total
141 ms
2.4 sec
145 ms
Visit mathopenref.com now to see the best up-to-date Math Open Ref content for United States and also check out these interesting facts you probably never knew about mathopenref.com
Math Open Reference Home page. Table of Contents.
Visit mathopenref.comWe analyzed Mathopenref.com page load time and found that the first response time was 141 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
mathopenref.com performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value3.8 s
56/100
25%
Value9.2 s
13/100
10%
Value2,820 ms
3/100
30%
Value0.005
100/100
15%
Value24.5 s
0/100
10%
141 ms
34 ms
54 ms
55 ms
8 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Mathopenref.com, 19% (18 requests) were made to Um.simpli.fi and 7% (7 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Rtb0.doubleverify.com.
Page size can be reduced by 172.5 kB (38%)
448.6 kB
276.1 kB
In fact, the total size of Mathopenref.com main page is 448.6 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. 35% of websites need less resources to load. Images take 214.1 kB which makes up the majority of the site volume.
Potential reduce by 11.8 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 11.8 kB or 75% of the original size.
Potential reduce by 6.3 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. Math Open Ref images are well optimized though.
Potential reduce by 140.0 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 140.0 kB or 70% of the original size.
Potential reduce by 14.3 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. Mathopenref.com needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 80% of the original size.
Number of requests can be reduced by 52 (73%)
71
19
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Math Open Ref. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.
mathopenref.com
141 ms
controller.php
34 ms
css.css
54 ms
js.js
55 ms
adsbygoogle.js
8 ms
show_ads.js
10 ms
dpx.js
60 ms
jquery.min.js
43 ms
zrt_lookup.html
47 ms
show_ads_impl.js
57 ms
ca-pub-2974595584684519.js
39 ms
p
101 ms
ads
101 ms
ads
172 ms
ads
204 ms
ads
185 ms
osd.js
14 ms
dpx
3 ms
match_redirect
13 ms
29931
14 ms
match_redirect
6 ms
tpid=CE29559E1F55D456B723B03802AC6274
10 ms
abg.js
23 ms
lr
11 ms
195 ms
adj
75 ms
beacon
66 ms
113 ms
iframe
88 ms
ca
47 ms
c29wb78a_160x600.png
77 ms
ca
45 ms
138 ms
lr.gif
26 ms
cap
42 ms
cap
31 ms
sync
28 ms
te_re.js
49 ms
Kaku_728x90.jpg
69 ms
match_redirect
4 ms
CE29559E1F55D456B723B03802AC6274
38 ms
match_redirect
10 ms
fetch.cp
57 ms
ProfilesEngineServlet
14 ms
ProfilesEngineServlet
74 ms
dvbs_src.js
100 ms
verify_selector.js
197 ms
blank.gif
193 ms
beacon.js
60 ms
tap.php
6 ms
bst2tv3.html
243 ms
verify.js
1337 ms
exelate
4 ms
match_redirect
5 ms
engine
88 ms
17 ms
29 ms
18 ms
spotx_match
4 ms
fb_match
4 ms
u.php
39 ms
an
9 ms
lj_match
4 ms
merge
3 ms
cw_match
3 ms
rtset
27 ms
rb_match
4 ms
ox_match
4 ms
tap.php
8 ms
pm_match
4 ms
sd
4 ms
Pug
46 ms
pixel
20 ms
g_match
4 ms
match_redirect
4 ms
pixel
39 ms
ca
5 ms
aa_px
4 ms
get
6 ms
get
13 ms
ca
10 ms
adServer.bs
51 ms
backup.jpg
21 ms
verifyr.js
29 ms
0
71 ms
bg.png
28 ms
pixel
18 ms
lidar.js
10 ms
sbhK2lTE.js
10 ms
adchoices.en.png
58 ms
cTrvNaRi.html
5 ms
pixel
15 ms
pixel
21 ms
7-1I540iwtLQZRDhQUP9L-vt70m6ZeYTcveWqB03r34.js
3 ms
sd
32 ms
m
26 ms
mathopenref.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
mathopenref.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
Page has valid source maps
mathopenref.com SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mathopenref.com 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 Mathopenref.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.
mathopenref.com
Open Graph description is not detected on the main page of Math Open Ref. 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: