Puzzle

 ACROSS



  1 They're opened in browsers

  5 Unruly do

  8 Not just estimated

 14 Opera highlight

 15 Pronoun hidden in "what's her name"

 16 Gym bottoms

 17 Rectify

 19 Closed tightly

 20 Manipulate, as dough

 21 Published

 23 Visibly terrified

 25 Forger's area of expertise

 26 "Just a ___!"

 29 One concerned with inequalities in education?

 33 John follower

 37 Stylish

 38 Like a yak or yeti

 39 Milking container

 40 River of forgetfulness

 42 "___ Too Hard" (2018 Lil Baby & Gunna hit)

 43 Scale used at birth

 45 Winter coat?

 46 Dele undoer

 47 Vacuum cleaner accessory

 50 Word after "pierced" or before "piercing"

 51 ___ Plaines, Illinois

 52 Doesn't stay home

 56 Body of 100

 59 Dos plus tres

 61 Cat scrambled in 47-Across

 64 To this point

 66 British distinction

 67 Tease

 68 Cat scrambled in 64-Across

 69 "Swan Lake" heroine

 70 Rx watchdog

 71 Absorbs, with "up"

DOWN

  1 Job

  2 Sporting venue

  3 Many hors d'oeuvres

  4 Wife of Abraham

  5 Flavor enhancer letters

  6 Startled greeting

  7 Gerbils and goldfish

  8 Guarantee

  9 Cat scrambled in 29-Across

 10 Warty critter

 11 It may start with https://

 12 Ingested

 13 Substance for Timothy Leary

 18 The same, in footnotes

 22 Louis Armstrong nickname

 24 Table salt formula

 26 Gym top

 27 Strange

 28 Mummy's home

 30 Former British Prime Minister May

 31 "Start playing, band!"

 32 Real jerks

 33 Quickly, poetically

 34 "It's a Wonderful Life" director Frank

 35 Cat scrambled in 17-Across

 36 Pole or Serb

 41 Fair-hiring org.

 44 Endure, as a storm

 48 Wimbledon's ___ Court

 49 Focal points

 53 Pepper grinders

 54 Composer Morricone

 55 Reporter's exclusive

 56 Piggy bank part

 57 Home territory

 58 Oklahoma city

 60 Possesses

 61 "Gotcha!"

 62 Cape ___

 63 U-turn from WSW

 65 TV schedule abbr.

Solution